HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Idaho Falls (IDA) to London (LON) from $754

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 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 8, 2024.

Popular in

June

Cheapest in

March

Average price

$1,422

Round-trip from

$643
High demand for flights, 43% potential price rise
Search Deals
Best time to find cheap flights, 33% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
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 March. Prices to London from Idaho Falls average $984. You can even find prices in March for less than $984, as users have found deals to London from as low as $657. 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 76%.

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 American Airlines flights from Idaho Falls to London

Explore cheap flight options specifically provided by American 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 2,752,338 searches. Data last updated May 8, 2024.
Tue 10/17:34 amIDA - LHR
1 stop23h 51mAmerican Airlines
Thu 10/311:50 pmLHR - IDA
2 stops27h 50mAmerican Airlines
Deal found 5/8$754
Tue 10/17:34 amIDA - LHR
1 stop17h 26mAmerican Airlines
Thu 10/312:25 pmLHR - IDA
1 stop27h 15mAmerican Airlines
Deal found 5/8$755
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/216:45 amLHR - IDA
2 stops21h 49mAmerican Airlines
Deal found 5/7$816
Tue 5/1412:05 pmIDA - LHR
2 stops17h 40mAmerican Airlines
Tue 5/217:40 amLHR - IDA
2 stops20h 54mAmerican Airlines
Deal found 5/7$820
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/2112:00 pmLHR - IDA
1 stop16h 34mAmerican Airlines
Deal found 5/7$846
Mon 5/277:00 amIDA - LHR
1 stop22h 15mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/7$888
Mon 5/277:00 amIDA - LHR
2 stops17h 30mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/7$891
Tue 5/287:00 amIDA - LHR
2 stops17h 45mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/7$892
Thu 6/66:32 amIDA - LHR
1 stop21h 08mAmerican Airlines
Thu 6/136:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/7$938

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 2,752,338 searches. Prices were last updated on May 8, 2024.
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/216:45 amLHR - IDA
2 stops21h 49mAmerican Airlines
Deal found 5/7$816
Tue 5/1412:05 pmIDA - LHR
2 stops17h 40mAmerican Airlines
Tue 5/217:40 amLHR - IDA
2 stops20h 54mAmerican Airlines
Deal found 5/7$820
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/2112:00 pmLHR - IDA
1 stop16h 34mAmerican Airlines
Deal found 5/7$846
Mon 5/2712:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Wed 6/57:40 amLHR - IDA
2 stops21h 03mAmerican Airlines
Deal found 5/8$888
Mon 5/277:00 amIDA - LHR
2 stops17h 30mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/8$891
Tue 5/287:00 amIDA - LHR
2 stops17h 50mAmerican Airlines
Wed 6/56:45 amLHR - IDA
2 stops21h 58mAmerican Airlines
Deal found 5/8$892
Tue 5/287:10 amIDA - LHR
1 stop19h 30mUnited Airlines
Wed 6/57:25 amLHR - IDA
2 stops16h 50mUnited Airlines
Deal found 5/8$905
Mon 5/277:00 amIDA - LHR
1 stop20h 40mMultiple Airlines
Wed 6/51:05 pmLHR - IDA
1 stop15h 38mMultiple Airlines
Deal found 5/8$918

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 2,752,338 searches. Data last updated May 8, 2024.
Tue 10/17:34 amIDA - LHR
1 stop23h 51mAmerican Airlines
Thu 10/311:50 pmLHR - IDA
2 stops27h 50mAmerican Airlines
Deal found 5/8$754
Tue 10/17:34 amIDA - LHR
1 stop17h 26mAmerican Airlines
Thu 10/312:25 pmLHR - IDA
1 stop27h 15mAmerican Airlines
Deal found 5/8$755
Sat 11/91:50 pmIDA - LHR
2 stops22h 05mAmerican Airlines
Wed 11/209:25 amLHR - IDA
1 stop34h 23mAmerican Airlines
Deal found 5/8$760
Sat 11/95:57 pmIDA - LHR
2 stops29h 43mUnited Airlines
Wed 11/207:40 amLHR - IDA
2 stops20h 13mUnited Airlines
Deal found 5/8$780
Sat 11/95:57 pmIDA - LHR
1 stop32h 43mUnited Airlines
Wed 11/2011:35 amLHR - IDA
1 stop12h 47mUnited Airlines
Deal found 5/8$795
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/216:45 amLHR - IDA
2 stops21h 49mAmerican Airlines
Deal found 5/7$816
Tue 5/1412:05 pmIDA - LHR
2 stops17h 40mAmerican Airlines
Tue 5/217:40 amLHR - IDA
2 stops20h 54mAmerican Airlines
Deal found 5/7$820
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/2112:00 pmLHR - IDA
1 stop16h 34mAmerican Airlines
Deal found 5/7$846
Mon 5/2712:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Wed 6/57:40 amLHR - IDA
2 stops21h 03mAmerican Airlines
Deal found 5/8$888

Idaho Falls to London flights leaving soon

Find last-minute flight options from Idaho Falls 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 2,752,338 searches. Data last updated May 8, 2024.
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/216:45 amLHR - IDA
2 stops21h 49mAmerican Airlines
Deal found 5/7$816
Tue 5/1412:05 pmIDA - LHR
2 stops17h 40mAmerican Airlines
Tue 5/217:40 amLHR - IDA
2 stops20h 54mAmerican Airlines
Deal found 5/7$820
Tue 5/1412:05 pmIDA - LHR
1 stop16h 00mAmerican Airlines
Tue 5/2112:00 pmLHR - IDA
1 stop16h 34mAmerican Airlines
Deal found 5/7$846

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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$754 - $968

Route

Depart

Return

Price

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

$754

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop17h 26m

London Heathrow

Thu 10/31

1 stop27h 15m

$755

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 5/27

1 stop22h 15m

London Heathrow

Wed 6/5

2 stops21h 58m

$888

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 5/27

2 stops17h 30m

London Heathrow

Wed 6/5

2 stops21h 58m

$891

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 5/28

2 stops17h 45m

London Heathrow

Wed 6/5

2 stops21h 58m

$892

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 5/28

1 stop19h 30m

London Heathrow

Wed 6/5

2 stops16h 50m

$905

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 5/27

1 stop20h 40m

London Heathrow

Wed 6/5

1 stop15h 38m

$918

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 6/6

1 stop21h 08m

London Heathrow

Thu 6/13

2 stops21h 58m

$938

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 6/6

1 stop21h 08m

London Heathrow

Thu 6/13

1 stop15h 38m

$968

Flights are sorted by cheapest first

Deals found on 5/8

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 May 5, 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.
Search Deals

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 $879. Price data was last updated on May 5, 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 $1,158). 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

$673

February

$663

March

$715

April

$692

May

$735

June

$1,158

July

$980

August

$776

September

$743

October

$710

November

$653

December

$671

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 8, 2024.
United Airlines
7.4
Good
11,043 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

United Airlines
7.4
Good
11,043 reviews
United Airlines
7.4
Good
11,043 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

American Airlines
7.3
Good
14,677 reviews
United Airlines
7.4
Good
11,043 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

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 American Airlines for just $754, but on average you can expect to pay $885.

  • Are there last-minute flights available from Idaho Falls to London for under $900?

    There are currently 3+ open flights from Idaho Falls to London within the next 7 days for less than $900.

  • 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 $754. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from Idaho Falls to London for 23% 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 5/8.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Boise to Heathrow flights
Boise to Gatwick flights
Spokane to Heathrow flights
Spokane to Gatwick flights
Boise to London City flights
Spokane to London City flights
Idaho Falls to Heathrow flights
Spokane to Manchester flights
Spokane to Southampton flights
Boise to Birmingham flights

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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$675Average$773FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$712Average$877FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
New York to Amsterdam flights
New York to Madrid flights
Los Angeles to Amsterdam flights
Miami to Barcelona flights
Dallas to Minneapolis flights
San Francisco to Paris flights
Las Vegas to Reno flights
Dallas to Detroit flights
Miami to Mexico City flights
Denver to Detroit flights
Seattle to Tokyo flights
Idaho Falls to Lewiston, Idaho flights

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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Ordu/Giresun
Flights to Hakodate
Flights to Gazipasa
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Bourgas
Flights to Kalamata
Flights to Menorca/Mahon
Flights to Mytilene
Flights to Mason City
Flights to Pau Pyrénées
Flights to Neiva La Marguita
Flights to Cortez Montezuma County
Flights to Biarritz Parme
Flights to Parikia Paros
Flights to Ohrid
Flights to Edremit/Korfez
Flights to Naxos
Flights to Dalaman
Flights to Lublin
Flights to Miyakojima Hirara
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Constanţa Mihail Kogalniceanu

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines