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Cheap flights from Idaho Falls (IDA) to London (LON) from $782

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. 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.
IDA — LON
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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Cheap flight deals from Idaho Falls to London

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) 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 May 3, 2024.

Popular in

June

Cheapest in

February

Average price

$938

Round-trip from

$643
High demand for flights, 38% potential price rise
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Best time to find cheap flights, 26% potential price drop
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Average for round-trip flights in May 2024
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From Idaho Falls Fanning Field to London (LON)
Search Deals

What is the cheapest day to fly round-trip from Idaho Falls to London?

Users have found that flying from Idaho Falls to London on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Idaho Falls to London?

The best pricing can be found in the month of February. Prices to London from Idaho Falls average $902. You can even find prices in February for less than $902, as users have found deals to London from as low as $656. The month of June appears to be one of the more expensive times to travel to London from Idaho Falls. Flying in the targeted month can save you up to 62%.

When is the cheapest time to fly from Idaho Falls to London (IDA - LON)?

It’s typically best to fly out from Idaho Falls to London at noon. Doing so could potentially save you 45% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap KLM flights from Idaho Falls to London

Explore cheap flight options specifically provided by KLM for the route between Idaho Falls 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 2,899,487 searches. Data last updated May 3, 2024.
Consider these cheap KLM flights we've found departing from Idaho Falls to London. Deals update often to give you more flight options matching your criteria
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 5/3$788
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 5/2$789
Thu 6/271:05 pmIDA - LHR
2 stops17h 45mKLM
Wed 7/311:00 amLHR - IDA
1 stop18h 18mKLM
Deal found 5/2$1,648

Cheap Delta flights from Idaho Falls to London

Explore cheap flight options specifically provided by Delta for the route between Idaho Falls 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 2,899,487 searches. Data last updated May 3, 2024.
Browse through some of the cheapest Delta flights traveling from Idaho Falls to London. Make sure to examine the flight information before completing your reservation.
Tue 10/16:20 amIDA - LHR
1 stop20h 40mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 5/3$782
Tue 10/11:05 pmIDA - LHR
2 stops17h 10mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 5/3$786
Mon 6/247:00 pmIDA - LHR
2 stops18h 10mDelta
Tue 7/210:55 amLHR - IDA
1 stop14h 22mDelta
Deal found 5/2$1,173
Mon 6/247:00 pmIDA - LHR
1 stop32h 00mDelta
Tue 7/210:55 amLHR - IDA
1 stop18h 23mDelta
Deal found 5/2$1,174
Mon 6/247:00 pmIDA - LHR
1 stop32h 00mDelta
Fri 7/59:20 amLHR - IDA
2 stops15h 57mDelta
Deal found 5/2$1,179
Thu 6/276:10 amIDA - LHR
2 stops18h 05mDelta
Fri 7/59:20 amLHR - IDA
2 stops15h 57mDelta
Deal found 5/2$1,223
Mon 6/241:05 pmIDA - LHR
2 stops17h 45mDelta
Mon 7/110:50 amLHR - IDA
2 stops18h 28mDelta
Deal found 5/2$1,252

Cheap Idaho Falls to London flights in May & June 2024

Find cheap flight options from Idaho Falls to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 2024.
Scroll through some of the best deals on flights from Idaho Falls to London in 2024. Check back in a little while for more flight options.
Mon 5/2712:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/3$887
Mon 5/277:00 amIDA - LHR
2 stops17h 30mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/3$890
Mon 5/271:15 pmIDA - LHR
1 stop14h 25mMultiple Airlines
Wed 6/51:05 pmLHR - IDA
1 stop15h 38mMultiple Airlines
Deal found 5/3$917
Mon 5/277:00 amIDA - LHR
1 stop18h 05mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/2$978
Mon 5/271:15 pmIDA - LHR
2 stops15h 55mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/2$981
Mon 5/271:15 pmIDA - LHR
1 stop14h 25mMultiple Airlines
Wed 6/51:05 pmLHR - IDA
1 stop15h 38mMultiple Airlines
Deal found 5/2$1,009
Mon 6/245:56 pmIDA - LHR
1 stop11h 24mUnited Airlines
Thu 7/411:05 amLHR - IDA
1 stop17h 03mUnited Airlines
Deal found 5/2$1,044
Tue 6/2510:45 amIDA - LHR
2 stops18h 00mUnited Airlines
Thu 7/411:05 amLHR - IDA
1 stop17h 03mUnited Airlines
Deal found 5/2$1,048
Mon 6/245:56 pmIDA - LHR
1 stop11h 24mUnited Airlines
Fri 7/511:05 amLHR - IDA
1 stop29h 30mUnited Airlines
Deal found 5/2$1,050

Idaho Falls to London 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Scroll through some of the best deals on flights from Idaho Falls to London in 2024. Check back in a little while for more flight options.
Tue 10/16:20 amIDA - LHR
1 stop20h 40mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 5/3$782
Tue 10/11:05 pmIDA - LHR
2 stops17h 10mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 5/3$786
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 5/3$788
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 5/2$789
Mon 5/2712:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/3$887
Mon 5/277:00 amIDA - LHR
2 stops17h 30mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/3$890
Fri 8/237:05 amIDA - LHR
2 stops15h 50mUnited Airlines
Wed 9/48:30 amLHR - IDA
2 stops19h 53mUnited Airlines
Deal found 5/2$891
Mon 5/271:15 pmIDA - LHR
1 stop14h 25mMultiple Airlines
Wed 6/51:05 pmLHR - IDA
1 stop15h 38mMultiple Airlines
Deal found 5/3$917
Mon 5/277:00 amIDA - LHR
1 stop18h 05mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/2$978

Find flights from Idaho Falls to London within your budget

Customize your flight search to find flights from Idaho Falls 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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$782 - $1,636

Route

Depart

Return

Price

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop20h 40m

London Heathrow

Thu 10/31

2 stops21h 41m

$782

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

2 stops17h 10m

London Heathrow

Thu 10/31

2 stops21h 41m

$786

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

1 stop17h 16m

$788

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

1 stop17h 16m

$789

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

1 stop11h 25m

London Heathrow

Wed 9/4

1 stop17h 18m

$887

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

2 stops15h 50m

London Heathrow

Wed 9/4

2 stops19h 53m

$891

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 5/27

1 stop18h 05m

London Heathrow

Wed 6/5

2 stops21h 58m

$978

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 5/27

1 stop14h 25m

London Heathrow

Wed 6/5

1 stop15h 38m

$1,009

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 6/27

2 stops17h 40m

London Heathrow

Tue 7/2

1 stop14h 22m

$1,636

Flights are sorted by cheapest first

Deals found on 5/3

When is the cheapest time to fly from Idaho Falls to London?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to London. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Idaho Falls to London flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to London by month

Plan your trip from Idaho Falls to London by taking into account the cheapest months to travel. The average price of a one-way flight from Idaho Falls to London is currently $0 while a round-trip flight costs $950. Price data was last updated on April 28, 2024.

Currently, November is the cheapest month in which you can book a flight from Idaho Falls to London (average of $653). Flying from Idaho Falls to London in June is currently the most expensive (average of $1,165). 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

$674

February

$663

March

$715

April

$692

May

$738

June

$1,165

July

$984

August

$777

September

$746

October

$711

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 May 3, 2024.
See what other customers who have flown with KLM, Delta and United Airlines from Idaho Falls to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,848 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,604 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.6
Good
1,790 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,134 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,755 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls 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 Idaho Falls to London?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to London from Idaho Falls. Booking flights from Fanning Field (IDA) to London should be relatively easy as there are 0 daily outbound flights to London from 2 different airlines.

  • Can I find flights from Idaho Falls to London for under $800 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to London for under $800. The cheapest flight booked recently is on Delta for just $782, but on average you can expect to pay $998.

  • What are the cheapest airlines flying from Idaho Falls to London round-trip?

    Cheapflights users have booked flights from Idaho Falls to London round-trip from $782. Other airlines that can offer you cheap pricing are KLM, from $788, and United Airlines, from $887. You may be able to fly from Idaho Falls to London for 13% less than the average price by searching for these airlines.

  • What does IDA to LHR mean?

    This is defined as Idaho Falls Fanning Field Airport (IDA) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from Idaho Falls to London that include extra baggage allowance?

    The amount of baggage you can bring on your Idaho Falls 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 Idaho Falls to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho Falls 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 Idaho Falls to London that include hotel bookings?

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

  • How can I find direct flights from Idaho Falls to London?

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

  • Can I find deals for business class flights from Idaho Falls to London?

    Yes. Cheapflights offers flight deals from Idaho Falls 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 Idaho Falls to London that allow pets onboard?

    Many airlines flying from Idaho Falls 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 Idaho Falls to London?

    Yes, you can often find last-minute deals on Idaho Falls 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 Idaho Falls to London flight deals updated?

    The Idaho Falls to London flight deals you see on this page were last updated on 5/3.

See more FAQs

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Alternative routes for Idaho Falls to London
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Idaho Falls to London

Discover the top 2 airlines that operate flights from Idaho Falls 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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$675Average$773FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$713Average$886FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Idaho Falls to London by cabin class

Find flights from Idaho Falls to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho Falls to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Idaho Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Idaho Falls to London?

Cheapflights helps you find that perfect flight to London from Idaho Falls by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Idaho Falls to London with no change fees?

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

Can Cheapflights notify me if prices for flights from Idaho Falls to London become cheaper?

Yes, Cheapflights offers price alerts on Idaho Falls 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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