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Idaho Falls

$872+ Cheap flights from the United Kingdom to Idaho Falls (IDA)

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IDA
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheap flight deals from United Kingdom to Idaho Falls

Keep the following information in mind while searching for United Kingdom to Idaho Falls flight deals. Data was last updated June 26, 2025.

Round-trip from

$872
(American Airlines)

Popular in

May

Cheapest in

February

Average price

$1,216
From United Kingdom to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from United Kingdom to Idaho Falls

Cheapest flights from United Kingdom to Idaho Falls
Explore the most affordable flight options available from United Kingdom to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:15 amLHR - IDA
1 stop33h 04mAmerican Airlines
Wed 11/265:37 amIDA - LHR
1 stop24h 43mAmerican Airlines
Deal found 6/22$872
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:45 amLHR - IDA
1 stop14h 19mDelta
Tue 11/256:50 pmIDA - LHR
1 stop32h 10mDelta
Deal found 6/23$895
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:55 amMAN - IDA
2 stops34h 24mAmerican Airlines
Sun 11/91:50 pmIDA - MAN
2 stops38h 55mAmerican Airlines
Deal found 6/23$927
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:00 pmMAN - IDA
2 stops37h 04mDelta
Sun 11/96:50 pmIDA - MAN
2 stops38h 05mDelta
Deal found 6/22$955
This flugladen.de deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/910:55 amLHR - IDA
2 stops18h 44mMultiple Airlines
Sat 8/164:03 pmIDA - LHR
1 stop15h 12mMultiple Airlines
Deal found 6/24$1,118
This Flighttix deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:20 amLHR - IDA
1 stop34h 56mBritish Airways
Thu 8/141:17 pmIDA - LHR
1 stop16h 28mBritish Airways
Deal found 6/23$1,148
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:25 amLHR - IDA
1 stop12h 57mUnited Airlines
Thu 8/1410:45 amIDA - LHR
1 stop18h 35mUnited Airlines
Deal found 6/23$1,172
This The Travel House deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2511:00 amLHR - IDA
1 stop18h 55mKLM
Wed 7/21:09 pmIDA - LHR
2 stops17h 01mKLM
Deal found 6/24$1,447
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:25 amLGW - IDA
1 stop32h 19mMultiple Airlines
Thu 8/146:15 amIDA - LGW
2 stops21h 40mMultiple Airlines
Deal found 6/23$1,493
This The Travel House deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2511:00 amLHR - IDA
1 stop14h 12mAir France
Wed 7/21:09 pmIDA - LHR
2 stops17h 01mAir France
Deal found 6/24$1,499
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:10 amMAN - IDA
2 stops35h 22mUnited Airlines
Thu 8/145:00 amIDA - MAN
2 stops44h 25mUnited Airlines
Deal found 6/23$1,672

Cheapflights Fare Finder

Customize your flight search to find flights from United Kingdom to Idaho Falls 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 2,558,603 searches. Data last updated June 26, 2025.
Use the filters below to find and compare flights from the United Kingdom to Idaho Falls that are best for you.

Fly from

United Kingdom

Fly to

Idaho Falls

Route

Depart

Return

Price

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sat 11/22

10:15 am-12:19 pm

1 stop33h 04m

Idaho Falls Fanning Field

Wed 11/26

5:37 am-1:20 pm

1 stop24h 43m

$872

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sat 11/22

10:45 am-6:04 pm

1 stop14h 19m

Idaho Falls Fanning Field

Tue 11/25

6:50 pm-10:00 am

1 stop32h 10m

$895

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Wed 11/5

8:55 am-12:19 pm

2 stops34h 24m

Idaho Falls Fanning Field

Sun 11/9

1:50 pm-11:45 am

2 stops38h 55m

$927

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Wed 11/5

12:00 pm-6:04 pm

2 stops37h 04m

Idaho Falls Fanning Field

Sun 11/9

6:50 pm-3:55 pm

2 stops38h 05m

$955

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sat 8/9

10:55 am-10:39 pm

2 stops18h 44m

Idaho Falls Fanning Field

Sat 8/16

4:03 pm-2:15 pm

1 stop15h 12m

$1,118

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Thu 8/7

8:20 am-12:16 pm

1 stop34h 56m

Idaho Falls Fanning Field

Thu 8/14

1:17 pm-12:45 pm

1 stop16h 28m

$1,148

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Thu 8/7

11:25 am-5:22 pm

1 stop12h 57m

Idaho Falls Fanning Field

Thu 8/14

10:45 am-12:20 pm

1 stop18h 35m

$1,172

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Thu 8/7

10:25 am-11:44 am

1 stop32h 19m

Idaho Falls Fanning Field

Thu 8/14

6:15 am-10:55 am

2 stops21h 40m

$1,493

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Thu 8/7

9:10 am-1:32 pm

2 stops35h 22m

Idaho Falls Fanning Field

Thu 8/14

5:00 am-8:25 am

2 stops44h 25m

$1,672

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Best time to book a flight from United Kingdom to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from United Kingdom with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Idaho Falls

What is the cheapest month to book a flight from United Kingdom to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from United Kingdom to Idaho Falls (average of $380). Flying from United Kingdom to Idaho Falls in December is currently the most expensive (average of $578). 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.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated June 26, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from the United Kingdom to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,966 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,966 reviews
Delta
8.0
Very good
7,966 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,840 reviews
Delta
8.0
Very good
7,966 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,966 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,064 reviews
Delta
8.0
Very good
7,966 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Idaho Falls. 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 into for flights to Idaho Falls from United Kingdom?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from United Kingdom. Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • What are the most popular routes from United Kingdom to Idaho Falls?

    The most popular flight routes from United Kingdom to Idaho Falls are London Heathrow - Idaho Falls Fanning Field, London Gatwick - Idaho Falls Fanning Field and Manchester - Idaho Falls Fanning Field.

  • Can I find deals for flights from United Kingdom to Idaho Falls that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from United Kingdom to Idaho Falls (average of $380). Flying from United Kingdom to Idaho Falls in December is currently the most expensive (average of $578). 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.

See more FAQs

Traveling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Rexburg

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