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Idaho Falls

$876+ Cheap flights from Heathrow (LHR) 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IDA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Heathrow to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Idaho Falls (IDA). 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 February 20, 2025.

Round-trip from

$876
(TravelUp)

Popular in

August

Cheapest in

February

Average price

$866
From London Heathrow to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($322 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Heathrow to Idaho Falls

Cheapest flights from Heathrow to Idaho Falls
Explore the most affordable flight options available from Heathrow to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This TravelUp deal was found by Cheapflights users on 2/20. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/158:55 pmLHR - IDA
2 stops33h 01mVirgin Atlantic
Tue 4/291:10 pmIDA - LHR
2 stops18h 05mVirgin Atlantic
Deal found 2/20$876
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/154:25 pmLHR - IDA
1 stop27h 04mAmerican Airlines
Tue 4/297:43 amIDA - LHR
1 stop23h 57mAmerican Airlines
Deal found 2/20$923
This The Travel House deal was found by Cheapflights users on 2/19. 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 5/2812:00 pmLHR - IDA
1 stop16h 14mFinnair
Wed 6/117:36 amIDA - LHR
2 stops17h 09mFinnair
Deal found 2/19$1,044
This KLM deal was found by Cheapflights users on 2/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2711:45 amLHR - IDA
2 stops17h 29mKLM
Tue 6/107:00 pmIDA - LHR
2 stops15h 35mKLM
Deal found 2/19$1,076
This ChecknFly deal was found by Cheapflights users on 2/19. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/112:50 pmLHR - IDA
1 stop14h 55mLufthansa
Fri 6/202:25 pmIDA - LHR
2 stops33h 30mLufthansa
Deal found 2/19$1,096
This Netflights deal was found by Cheapflights users on 2/19. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/284:30 pmLHR - IDA
1 stop13h 04mMultiple Airlines
Wed 6/114:20 pmIDA - LHR
1 stop14h 20mMultiple Airlines
Deal found 2/19$1,171

Find flights from Heathrow to Idaho Falls within your budget

Customize your flight search to find flights from Heathrow 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 February 20, 2025.

Fly from

Heathrow

Fly to

Idaho Falls

Route

Depart

Return

Price

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 4/15

8:55 pm-10:56 pm

2 stops33h 01m

Idaho Falls Fanning Field

Tue 4/29

1:10 pm-2:15 pm

2 stops18h 05m

$876

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 4/15

4:25 pm-12:29 pm

1 stop27h 04m

Idaho Falls Fanning Field

Tue 4/29

7:43 am-2:40 pm

1 stop23h 57m

$923

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 5/28

12:00 pm-9:14 pm

1 stop16h 14m

Idaho Falls Fanning Field

Wed 6/11

7:36 am-7:45 am

2 stops17h 09m

$1,044

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 5/27

11:45 am-10:14 pm

2 stops17h 29m

Idaho Falls Fanning Field

Tue 6/10

7:00 pm-5:35 pm

2 stops15h 35m

$1,076

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sun 5/11

2:50 pm-10:45 pm

1 stop14h 55m

Idaho Falls Fanning Field

Fri 6/20

2:25 pm-6:55 am

2 stops33h 30m

$1,096

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 5/28

4:30 pm-10:34 pm

1 stop13h 04m

Idaho Falls Fanning Field

Wed 6/11

4:20 pm-1:40 pm

1 stop14h 20m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Best time to book a flight from Heathrow to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Heathrow 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.

Travel insights for flights from Heathrow to Idaho Falls

Get recent, data-driven insights about flights from Heathrow to Idaho Falls including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Idaho Falls (average of $380). Flying from London Heathrow Airport to Idaho Falls in July is currently the most expensive (average of $628). 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 February 20, 2025.
KLM
7.8
Good
1,333 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Finnair
7.6
Good
1,273 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Virgin Atlantic
7.5
Good
654 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Lufthansa
6.7
Okay
6,984 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Idaho Falls. 0 airlines have flights to Fanning Field from London Heathrow on a regular basis. Booking flights from London Heathrow to Idaho Falls Fanning Field should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

    Cheapflights users have booked flights from London Heathrow Airport to Idaho Falls round-trip from $876. Other airlines that can offer you cheap pricing are American Airlines, from $923, and Finnair, from $1,044. Virgin Atlantic is currently priced 24% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Idaho Falls (average of $380). Flying from London Heathrow Airport to Idaho Falls in July is currently the most expensive (average of $628). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
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Alternative routes for Heathrow to Idaho Falls

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