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Idaho Falls

$968+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IDA
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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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 noviembre 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. 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.
lun. 12/112:30 pmLGW - IDA
2 stops31h 57mAmerican Airlines
lun. 12/81:58 pmIDA - LGW
2 stops34h 32mAmerican Airlines
Deal found 11/3$968
This Delta deal was found by Cheapflights users on 11/2. 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.
sáb. 11/226:20 amLHR - IDA
2 stops18h 57mDelta
mié. 11/261:15 pmIDA - LHR
1 stop13h 45mDelta
Deal found 11/2$1,010
This Justfly.com deal was found by Cheapflights users on 11/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/15:50 pmLHR - IDA
2 stops35h 31mVirgin Atlantic
lun. 12/81:17 pmIDA - LHR
1 stop13h 43mVirgin Atlantic
Deal found 11/2$1,058
This United Airlines deal was found by Cheapflights users on 11/3. 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.
lun. 12/16:00 pmLHR - IDA
2 stops46h 47mUnited Airlines
lun. 12/82:45 pmIDA - LHR
1 stop11h 55mUnited Airlines
Deal found 11/3$1,111
This Finnair deal was found by Cheapflights users on 11/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/14:30 pmLHR - IDA
1 stop27h 57mMultiple Airlines
lun. 12/81:58 pmIDA - LHR
1 stop13h 02mMultiple Airlines
Deal found 11/3$1,475
This Delta deal was found by Cheapflights users on 11/2. 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.
mié. 11/51:30 pmMAN - IDA
2 stops30h 03mDelta
dom. 11/91:15 pmIDA - MAN
2 stops37h 55mDelta
Deal found 11/2$1,515

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 noviembre 3, 2025.

Round-trip from

$1,010
(Delta)

Popular in

May

Cheapest in

November

Average price

$853
From United Kingdom to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 3, 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

LGW - IDA

LGWIDA

London Gatwick

lun. 12/1

12:30 pm-1:27 pm

2 stops31h 57m

Idaho Falls Fanning Field

lun. 12/8

1:58 pm-7:30 am

2 stops34h 32m

$968

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

sáb. 11/22

6:20 am-10:33 pm

2 stops23h 13m

Idaho Falls Fanning Field

mié. 11/26

6:00 am-7:05 am

2 stops18h 05m

$1,010

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

lun. 12/1

5:50 pm-10:21 pm

2 stops35h 31m

Idaho Falls Fanning Field

lun. 12/8

1:17 pm-10:00 am

1 stop13h 43m

$1,058

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

lun. 12/1

6:00 pm-9:47 am

2 stops46h 47m

Idaho Falls Fanning Field

lun. 12/8

2:45 pm-9:40 am

1 stop11h 55m

$1,111

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

lun. 12/1

4:30 pm-1:27 pm

1 stop27h 57m

Idaho Falls Fanning Field

lun. 12/8

1:58 pm-10:00 am

1 stop13h 02m

$1,475

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, September is the cheapest month in which you can book a flight from United Kingdom to Idaho Falls (average of $820). Flying from United Kingdom to Idaho Falls in October is currently the most expensive (average of $1,160). 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.

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.

  • How long is the flight from United Kingdom to Idaho Falls?

    American Airlines and Delta can get you from United Kingdom to Idaho Falls in just under 23h 13m. Your travel time can differ by up to 8h 44m. United Kingdom and Idaho Falls are separated by a distance of 4705 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Gatwick - Idaho Falls Fanning Field, London Heathrow - 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, September is the cheapest month in which you can book a flight from United Kingdom to Idaho Falls (average of $820). Flying from United Kingdom to Idaho Falls in October is currently the most expensive (average of $1,160). 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 Idaho Falls?

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Rexburg

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