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Cheap flights from Idaho Falls (IDA) to London (LON) from $780

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 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
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 April 27, 2024.

Popular in

June

Cheapest in

February

Average price

$785

Round-trip from

$644
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 April 2024
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From Idaho Falls Fanning Field to London (LON)
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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 United Airlines flights from Idaho Falls to London

Explore cheap flight options specifically provided by United Airlines 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 2,991,349 searches. Data last updated April 27, 2024.
Consider these cheap United Airlines flights we've found departing from Idaho Falls to London. Deals update often to give you more flight options matching your criteria
Fri 8/2310:40 amIDA - LHR
1 stop18h 40mUnited Airlines
Wed 9/411:05 amLHR - IDA
1 stop13h 09mUnited Airlines
Deal found 4/26$881
Fri 8/232:25 pmIDA - LHR
1 stop14h 55mUnited Airlines
Wed 9/48:30 amLHR - IDA
2 stops15h 44mUnited Airlines
Deal found 4/26$886
Fri 8/235:57 pmIDA - LHR
2 stops31h 38mUnited Airlines
Wed 9/48:30 amLHR - IDA
2 stops15h 44mUnited Airlines
Deal found 4/26$898
Mon 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/46:55 amLHR - IDA
2 stops41h 20mUnited Airlines
Deal found 4/27$996
Mon 5/277:10 amIDA - LHR
2 stops18h 20mUnited Airlines
Tue 6/49:00 amLHR - IDA
2 stops39h 15mUnited Airlines
Deal found 4/27$1,001
Mon 5/2710:45 amIDA - LHR
1 stop15h 55mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/26$1,003
Mon 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/27$1,004
Mon 5/2710:45 amIDA - LHR
2 stops17h 25mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/26$1,008
Mon 5/277:10 amIDA - LHR
2 stops15h 45mUnited Airlines
Tue 6/41:40 pmLHR - IDA
2 stops27h 00mUnited Airlines
Deal found 4/26$1,012

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 2,991,349 searches. Data last updated April 27, 2024.
Browse through some of the cheapest KLM flights traveling from Idaho Falls to London. Make sure to examine the flight information before completing your reservation.
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/318:25 pmLHR - IDA
2 stops31h 36mKLM
Deal found 4/27$780
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 4/26$783
Tue 10/11:05 pmIDA - LHR
2 stops17h 10mKLM
Thu 10/318:25 pmLHR - IDA
2 stops31h 36mKLM
Deal found 4/27$784
Fri 9/271:05 pmIDA - LHR
2 stops17h 10mKLM
Fri 10/410:50 amLHR - IDA
2 stops18h 11mKLM
Deal found 4/26$842

Cheap Idaho Falls to London flights in April & May 2024

Find cheap flight options from Idaho Falls 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 April 27, 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 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/46:55 amLHR - IDA
2 stops41h 20mUnited Airlines
Deal found 4/27$996
Mon 5/277:10 amIDA - LHR
2 stops18h 20mUnited Airlines
Tue 6/49:00 amLHR - IDA
2 stops39h 15mUnited Airlines
Deal found 4/27$1,001
Mon 5/2710:45 amIDA - LHR
1 stop15h 55mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/26$1,003
Mon 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/27$1,004
Mon 5/2710:45 amIDA - LHR
2 stops17h 25mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/26$1,008
Mon 5/277:10 amIDA - LHR
2 stops15h 45mUnited Airlines
Tue 6/41:40 pmLHR - IDA
2 stops27h 00mUnited Airlines
Deal found 4/26$1,012

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 2,991,349 searches. Data last updated April 27, 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 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/318:25 pmLHR - IDA
2 stops31h 36mKLM
Deal found 4/27$780
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 4/26$783
Tue 10/11:05 pmIDA - LHR
2 stops17h 10mKLM
Thu 10/318:25 pmLHR - IDA
2 stops31h 36mKLM
Deal found 4/27$784
Tue 10/17:34 amIDA - LHR
1 stop23h 51mAmerican Airlines
Thu 10/311:50 pmLHR - IDA
2 stops27h 50mAmerican Airlines
Deal found 4/26$787
Tue 10/11:43 pmIDA - LHR
2 stops15h 27mAmerican Airlines
Thu 10/311:10 pmLHR - IDA
2 stops28h 30mAmerican Airlines
Deal found 4/26$790
Fri 9/277:34 amIDA - LHR
1 stop20h 06mAmerican Airlines
Fri 10/48:40 amLHR - IDA
1 stop19h 25mAmerican Airlines
Deal found 4/26$833
Fri 9/271:43 pmIDA - LHR
1 stop13h 57mAmerican Airlines
Fri 10/46:05 pmLHR - IDA
2 stops25h 31mAmerican Airlines
Deal found 4/26$837
Wed 8/141:43 pmIDA - LHR
1 stop16h 02mAmerican Airlines
Wed 8/211:05 pmLHR - IDA
1 stop15h 00mAmerican Airlines
Deal found 4/26$838
Fri 9/271:05 pmIDA - LHR
2 stops17h 10mKLM
Fri 10/410:50 amLHR - IDA
2 stops18h 11mKLM
Deal found 4/26$842

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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$780 - $898

Route

Depart

Return

Price

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

2 stops31h 36m

$780

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

$783

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

2 stops17h 10m

London Heathrow

Thu 10/31

2 stops31h 36m

$784

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop23h 51m

London Heathrow

Thu 10/31

2 stops27h 50m

$787

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

2 stops15h 27m

London Heathrow

Thu 10/31

2 stops28h 30m

$790

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 9/27

1 stop20h 06m

London Heathrow

Fri 10/4

1 stop19h 25m

$833

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

1 stop18h 40m

London Heathrow

Wed 9/4

1 stop13h 09m

$881

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

1 stop14h 55m

London Heathrow

Wed 9/4

2 stops15h 44m

$886

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

2 stops31h 38m

London Heathrow

Wed 9/4

2 stops15h 44m

$898

Flights are sorted by cheapest first

Deals found on 4/27

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 21, 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 $825. Price data was last updated on April 21, 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 $1,173). 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 April 27, 2024.
See what other customers who have flown with United Airlines, KLM and American 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.
KLM
7.9
Good
1,623 reviews
Check prices

Food

7.3

Overall

7.9

Entertainment

7.2

Crew

8.4

Comfort

7.6

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,623 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Food

7.3

Overall

7.9

Entertainment

7.2

Crew

8.4

Comfort

7.6

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

United Airlines
7.4
Good
11,228 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Food

7.3

Overall

7.9

Entertainment

7.2

Crew

8.4

Comfort

7.6

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

American Airlines
7.3
Good
14,875 reviews
KLM
7.9
Good
1,623 reviews
Check prices

Food

7.3

Overall

7.9

Entertainment

7.2

Crew

8.4

Comfort

7.6

Boarding

7.8

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

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 KLM for just $780, but on average you can expect to pay $882.

  • 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 $780. Other airlines that can offer you cheap pricing are American Airlines, from $787, and United Airlines, from $881. 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 4/27.

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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$675Average$773FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$713Average$886FlexibilityNo cancel feeOn-time69%
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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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