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Cheap flights from St. Louis (STL) to London (LON) from $320

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — LON
maig 2 — maig 91
From?
To?
dj. 5/2
dj. 5/9
1 adult, Economy
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The best prices from Lambert-St Louis to London are usually found in February or January, booked 62 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from St. Louis to London

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 27, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$644

One-way from

$571
High demand for flights, 35% potential price rise
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Best time to find cheap flights, 23% potential price drop
Search Deals
From Lambert-St Louis to London (LON)
Search Deals
One-way flight from Lambert-St Louis to London (LON)
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What is the cheapest day to fly round-trip from St. Louis to London?

Friday flights are generally found to be more expensive for flights from St. Louis to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

How far in advance should I book a flight from St. Louis to London?

Travelers have found it’s best to book a flight 35 days in advance to save up to 134% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to London 1-2 weeks in advance for as low as $1,161, or $1,718 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to London?

Flights from St. Louis to London lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to London in February, with the cheapest ticket starting at $656.

When is the cheapest time to fly from St. Louis to London (STL - LON)?

It’s optimal to fly from St. Louis to London in the afternoon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight at noon.

Cheap Virgin Atlantic flights from St. Louis to London

Explore cheap flight options specifically provided by Virgin Atlantic for the route between St. Louis and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.
Peruse some of the lowest-priced Virgin Atlantic flights we've found from St. Louis to London. Deals update often to give you more flight options matching your criteria
dt. 8/2011:51 amSTL - LHR
1 stop12h 34mVirgin Atlantic
dt. 8/2711:45 amLHR - STL
2 stops15h 44mVirgin Atlantic
Deal found 4/26$710
dt. 8/202:05 pmSTL - LHR
2 stops12h 50mVirgin Atlantic
dt. 8/2711:45 amLHR - STL
2 stops15h 44mVirgin Atlantic
Deal found 4/26$714
dt. 8/202:05 pmSTL - LHR
1 stop11h 45mVirgin Atlantic
dt. 8/2712:45 pmLHR - STL
1 stop16h 54mVirgin Atlantic
Deal found 4/26$715
dc. 10/22:05 pmSTL - LGW
2 stops13h 55mVirgin Atlantic
dc. 10/912:00 pmLGW - STL
2 stops14h 31mVirgin Atlantic
Deal found 4/27$757
dc. 8/711:51 amSTL - LHR
2 stops14h 14mVirgin Atlantic
dj. 8/229:55 amLHR - STL
2 stops16h 37mVirgin Atlantic
Deal found 4/26$794
dj. 10/172:05 pmSTL - LGW
2 stops13h 55mVirgin Atlantic
dj. 10/2412:00 pmLGW - STL
2 stops17h 35mVirgin Atlantic
Deal found 4/26$807
dg. 9/12:05 pmSTL - LGW
2 stops13h 55mVirgin Atlantic
dl. 9/912:00 pmLGW - STL
2 stops17h 35mVirgin Atlantic
Deal found 4/26$808
dt. 5/213:27 pmSTL - LHR
2 stops13h 03mVirgin Atlantic
ds. 6/111:35 amLHR - STL
1 stop13h 06mVirgin Atlantic
Deal found 4/26$844
dc. 5/812:53 pmSTL - LHR
1 stop11h 32mVirgin Atlantic
dc. 5/1511:30 amLHR - STL
2 stops16h 22mVirgin Atlantic
Deal found 4/26$979

Cheap United Airlines flights from St. Louis to London

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from St. Louis to London. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
ds. 8/103:43 pmSTL - LHR
1 stop32h 12mUnited Airlines
ds. 8/311:40 pmLHR - STL
1 stop14h 33mUnited Airlines
Deal found 4/26$780
dt. 5/2111:10 amSTL - LHR
2 stops14h 05mUnited Airlines
ds. 6/16:50 amLHR - STL
2 stops14h 51mUnited Airlines
Deal found 4/26$856
ds. 8/174:05 pmSTL - LHR
1 stop32h 30mUnited Airlines
dg. 8/2510:35 amLHR - STL
1 stop17h 38mUnited Airlines
Deal found 4/27$862
ds. 8/174:36 pmSTL - LHR
1 stop35h 04mUnited Airlines
dg. 8/2511:05 amLHR - STL
1 stop16h 23mUnited Airlines
Deal found 4/26$866
dt. 7/161:10 pmSTL - LHR
1 stop10h 45mUnited Airlines
dc. 7/318:30 amLHR - STL
1 stop13h 10mUnited Airlines
Deal found 4/26$989
dg. 5/265:31 pmSTL - LHR
1 stop12h 14mUnited Airlines
dg. 6/26:50 amLHR - STL
2 stops20h 54mUnited Airlines
Deal found 4/26$1,030
dv. 5/241:10 pmSTL - LHR
1 stop10h 45mUnited Airlines
dv. 5/316:30 amLHR - STL
1 stop13h 00mUnited Airlines
Deal found 4/26$1,083
dt. 6/411:38 amSTL - LHR
1 stop12h 17mUnited Airlines
dt. 8/68:30 amLHR - STL
1 stop11h 48mUnited Airlines
Deal found 4/27$1,168

Cheap St. Louis to London flights in April & May 2024

Find cheap flight options from St. Louis to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on abril 27, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. More deals are always being added, so be sure to check back regularly.
dt. 5/212:35 pmSTL - LGW
1 stop13h 25mMultiple Airlines
ds. 6/12:00 pmLGW - STL
1 stop34h 40mMultiple Airlines
Deal found 4/26$644
ds. 4/2711:39 amSTL - LGW
1 stop16h 21mMultiple Airlines
dv. 5/102:00 pmLGW - STL
1 stop31h 37mMultiple Airlines
Deal found 4/27$701
ds. 4/2711:39 amSTL - LGW
1 stop16h 21mMultiple Airlines
dv. 5/102:00 pmLGW - STL
1 stop26h 28mMultiple Airlines
Deal found 4/26$722
dg. 5/2611:22 pmSTL - LGW
2 stops52h 38mMultiple Airlines
dg. 6/22:00 pmLGW - STL
1 stop36h 20mMultiple Airlines
Deal found 4/26$726
dt. 4/307:16 pmSTL - LGW
1 stop32h 44mMultiple Airlines
dt. 5/72:00 pmLGW - STL
1 stop36h 53mMultiple Airlines
Deal found 4/26$727
ds. 4/2711:45 amSTL - LHR
2 stops26h 25mDelta
dv. 5/106:30 amLHR - STL
2 stops16h 52mDelta
Deal found 4/26$738
ds. 4/274:45 pmSTL - LHR
1 stop31h 40mVirgin Atlantic
dv. 5/109:55 amLHR - STL
2 stops17h 57mVirgin Atlantic
Deal found 4/26$739
dt. 5/212:35 pmSTL - LGW
1 stop13h 25mMultiple Airlines
dl. 5/272:00 pmLGW - STL
1 stop23h 08mMultiple Airlines
Deal found 4/25$771
ds. 5/255:56 pmSTL - LGW
1 stop34h 04mMultiple Airlines
ds. 6/12:00 pmLGW - STL
1 stop23h 08mMultiple Airlines
Deal found 4/26$772

St. Louis to London 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. More deals are always being added, so be sure to check back regularly.
dc. 10/97:10 amSTL - LHR
2 stops28h 30mMultiple Airlines
dc. 10/236:40 amLHR - STL
2 stops22h 55mMultiple Airlines
Deal found 4/26$641
dt. 5/212:35 pmSTL - LGW
1 stop13h 25mMultiple Airlines
ds. 6/12:00 pmLGW - STL
1 stop34h 40mMultiple Airlines
Deal found 4/26$644
dg. 9/297:48 pmSTL - LGW
1 stop32h 12mMultiple Airlines
dv. 10/42:00 pmLGW - STL
1 stop26h 28mMultiple Airlines
Deal found 4/27$685
dv. 9/610:00 amSTL - LHR
2 stops24h 00mMultiple Airlines
dj. 9/126:40 amLHR - STL
2 stops22h 55mMultiple Airlines
Deal found 4/26$691
ds. 4/2711:39 amSTL - LGW
1 stop16h 21mMultiple Airlines
dv. 5/102:00 pmLGW - STL
1 stop31h 37mMultiple Airlines
Deal found 4/27$701
dt. 8/2011:51 amSTL - LHR
1 stop12h 34mVirgin Atlantic
dt. 8/2711:45 amLHR - STL
2 stops15h 44mVirgin Atlantic
Deal found 4/26$710
dt. 8/202:05 pmSTL - LHR
2 stops12h 50mVirgin Atlantic
dt. 8/2711:45 amLHR - STL
2 stops15h 44mVirgin Atlantic
Deal found 4/26$714
dt. 8/202:05 pmSTL - LHR
1 stop11h 45mVirgin Atlantic
dt. 8/2712:45 pmLHR - STL
1 stop16h 54mVirgin Atlantic
Deal found 4/26$715
dv. 11/16:00 amSTL - LHR
2 stops29h 00mMultiple Airlines
dl. 11/116:40 amLHR - STL
2 stops22h 55mMultiple Airlines
Deal found 4/27$721

St. Louis to London flights leaving soon

Find last-minute flight options from St. Louis to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.
Have a look at some of the last-minute flights available departing from St. Louis to London. Tip: verify your flight details before completing your reservation.
dj. 5/29:50 amSTL - LHR
2 stops17h 05mMultiple Airlines
dj. 5/96:40 amLHR - STL
2 stops19h 21mMultiple Airlines
Deal found 4/26$834
ds. 5/49:50 amSTL - LHR
2 stops17h 05mMultiple Airlines
dt. 5/76:40 amLHR - STL
2 stops19h 21mMultiple Airlines
Deal found 4/27$848
ds. 5/411:39 amSTL - LGW
1 stop16h 21mMultiple Airlines
dt. 5/72:00 pmLGW - STL
1 stop36h 53mMultiple Airlines
Deal found 4/27$883
ds. 5/411:39 amSTL - LGW
1 stop16h 21mMultiple Airlines
dt. 5/72:00 pmLGW - STL
1 stop36h 53mMultiple Airlines
Deal found 4/26$884
ds. 5/46:24 pmSTL - LGW
2 stops30h 46mMultiple Airlines
dt. 5/72:00 pmLGW - STL
1 stop36h 53mMultiple Airlines
Deal found 4/26$897
ds. 5/46:24 pmSTL - LGW
2 stops30h 46mMultiple Airlines
dt. 5/72:00 pmLGW - STL
1 stop36h 53mMultiple Airlines
Deal found 4/27$931
ds. 5/49:50 amSTL - LHR
2 stops17h 05mMultiple Airlines
dt. 5/76:40 amLHR - STL
2 stops19h 21mMultiple Airlines
Deal found 4/26$1,192
dj. 5/27:30 pmSTL - LGW
2 stops30h 05mMultiple Airlines
dj. 5/99:40 amLGW - STL
1 stop38h 26mMultiple Airlines
Deal found 4/26$1,197
dj. 5/27:30 pmSTL - LGW
1 stop32h 30mMultiple Airlines
dj. 5/99:40 amLGW - STL
1 stop38h 26mMultiple Airlines
Deal found 4/26$1,217

One-way flights to London from St. Louis

Search for one-way flight options from St. Louis to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to London. Those needing a return flight from St. Louis to London can use the search form above.
dg. 9/16:42 pmSTL - LGW
1 stop33h 18mMultiple Airlines
Deal found 4/26$320
ds. 10/1911:39 amSTL - LGW
1 stop16h 21mMultiple Airlines
Deal found 4/26$374
dc. 5/297:23 pmSTL - LGW
3 stops31h 37mMultiple Airlines
Deal found 4/26$440
dc. 5/299:10 pmSTL - LTN
3 stops34h 00mMultiple Airlines
Deal found 4/26$464
ds. 10/1912:15 pmSTL - LHR
3 stops17h 40mMultiple Airlines
Deal found 4/26$474
ds. 10/1912:15 pmSTL - LGW
3 stops17h 30mMultiple Airlines
Deal found 4/26$474
ds. 6/812:03 pmSTL - LGW
1 stop15h 57mMultiple Airlines
Deal found 4/26$476
dc. 5/299:10 pmSTL - STN
3 stops31h 30mMultiple Airlines
Deal found 4/26$484
dc. 5/299:10 pmSTL - LGW
1 stop30h 50mMultiple Airlines
Deal found 4/26$524

Find flights from St. Louis to London within your budget

Customize your flight search to find flights from St. Louis to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$641 - $857

Route

Depart

Return

Price

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

dc. 10/9

2 stops28h 30m

London Heathrow

dc. 10/23

2 stops22h 55m

$641

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

dt. 8/20

1 stop12h 34m

London Heathrow

dt. 8/27

2 stops15h 44m

$710

Lambert-St LouisLondon Gatwick

STL - LGW

STLLGW

Lambert-St Louis

dt. 9/10

2 stops13h 55m

London Gatwick

dt. 9/17

2 stops14h 31m

$758

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

dt. 5/21

1 stop13h 04m

London Heathrow

dl. 5/27

2 stops27h 47m

$778

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

ds. 8/10

1 stop32h 12m

London Heathrow

ds. 8/31

1 stop14h 33m

$780

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

dc. 10/9

1 stop10h 52m

London Heathrow

dc. 10/23

1 stop13h 10m

$786

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

dt. 5/21

1 stop13h 37m

London Heathrow

dt. 5/28

1 stop17h 42m

$790

Lambert-St LouisLondon Heathrow

STL - LHR

STLLHR

Lambert-St Louis

dt. 5/21

1 stop17h 00m

London Heathrow

dt. 5/28

2 stops16h 31m

$825

Lambert-St LouisLondon Gatwick

STL - LGW

STLLGW

Lambert-St Louis

dt. 5/21

2 stops17h 20m

London Gatwick

dj. 5/30

1 stop25h 45m

$857

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from St. Louis to London?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to London. Price data was last updated on January 28, 2024.
The best time to book flights from St. Louis to London is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from St. Louis to London?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to London. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from St. Louis to London by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to London is currently $448 while a round-trip flight costs $769. Price data was last updated on April 21, 2024.

Currently, November is the cheapest month in which you can book a flight from St. Louis to London (average of $653). Flying from St. Louis to London in June is currently the most expensive (average of $1,173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

November

$653

December

$672

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated abril 27, 2024.
Read reviews from past customers who have flown Virgin Atlantic, United Airlines and American Airlines from St. Louis to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Food

7.4

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Food

7.4

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Food

7.4

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Finnair
7.8
Good
1,382 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Food

7.4

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Virgin Atlantic
7.7
Good
746 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Food

7.4

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Austrian Airlines
7.7
Good
1,083 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Food

7.4

Entertainment

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to London?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to London. You should not have trouble finding flights to London from Lambert-St Louis; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 11 airlines have flights from the St. Louis airport to London. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • Can I find flights from St. Louis to London for under $700 on Cheapflights?

    Yes, there are multiple flights from St. Louis to London for under $700. The cheapest flight booked recently is on Multiple Airlines for just $641, but on average you can expect to pay $735.

  • Are there last-minute flights available from St. Louis to London for under $900?

    There are currently 20+ open flights from St. Louis to London within the next 7 days for less than $900.

  • What are the cheapest airlines flying from St. Louis to London round-trip?

    According to our current data, Virgin Atlantic ($710), Delta ($758), and British Airways ($778) offers the cheapest pricing from St. Louis to London. These flights start at 23% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to London one-way?

    The cheapest airline one-way is Iberia, with whom users have recently found tickets for as low as $571. However, be on the lookout for offers from American Airlines and KLM, as they are both options that can get you from St. Louis to London for a low price.

  • What are the most popular routes from St. Louis to London?

    The most popular flight routes from St. Louis to London are Lambert-St Louis - London Heathrow, Lambert-St Louis - London Gatwick and Lambert-St Louis - London City.

  • What are the most popular airlines that fly from St. Louis to London?

    When booking a flight from St. Louis to London, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

  • What does STL to LHR mean?

    Lambert-St Louis Airport is STL and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

  • Where are the most common layover locations when flying from St. Louis to London?

    Flights departing from St. Louis and landing in London layover in Chicago most frequently.

  • What are some popular things to do or see while on a layover in Chicago?

    Chicago travelers tend to visit Grant Park, Magnificent Mile, and Wrigley Field more than anywhere else. Grant Park, Magnificent Mile, and Wrigley Field are located about 16.2 mi, 15.5 mi, and 13.0 mi, respectively from Chicago O'Hare Intl. Travelers can rent a car at Chicago O'Hare Intl for an average daily rate of $56 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for St. Louis to London flights?

    Flights departing from St. Louis and landing in London layover in Detroit least frequently.

  • Can I find deals for flights from St. Louis to London that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to London that include hotel bookings?

    Yes. In addition to deals on St. Louis to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to London.

  • Can I find deals for business class flights from St. Louis to London?

    Yes. Cheapflights offers flight deals from St. Louis to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to London that allow pets onboard?

    Many airlines flying from St. Louis to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to London?

    Yes, you can often find last-minute deals on St. Louis to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to London flight deals updated?

    The St. Louis to London flight deals you see on this page were last updated on 4/27.

See more FAQs

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Top 10 airlines flying from St. Louis to London

Discover the top 10 airlines that operate flights from St. Louis to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated abril 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$587Average$865FlexibilityNo cancel feeOn-time69%
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IberiaCheapest$620Average$791FlexibilityNo cancel feeOn-time77%
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American AirlinesCheapest$635Average$1,010FlexibilityNo cancel feeOn-time71%
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FinnairCheapest$643Average$840FlexibilityNo cancel feeOn-time76%
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British AirwaysCheapest$652Average$869FlexibilityNo cancel feeOn-time70%
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Virgin AtlanticCheapest$654Average$796FlexibilityNo cancel feeOn-time72%
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LufthansaCheapest$656Average$1,259FlexibilityNo cancel feeOn-time76%
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DeltaCheapest$660Average$832FlexibilityNo cancel feeOn-timeN/A
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KLMCheapest$688Average$904FlexibilityNo cancel feeOn-time75%
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Air CanadaCheapest$697Average$1,183FlexibilityNo cancel feeOn-time67%
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Can Cheapflights find flights from St. Louis to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to London become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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