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

Our cheapest airline available from London to Idaho Falls is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £627 on this airline. Additional options worth looking into are United Airlines and Delta, starting at £763 and £772 round-trip. Virgin Atlantic is 27% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from London to Idaho Falls?

Travellers seeking maximum savings on their London to Idaho Falls flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from London to Idaho Falls?

The most popular airlines flying from London to Idaho Falls are KLM, United Airlines and Virgin Atlantic. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from London to Idaho Falls?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from London to Idaho Falls?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Idaho Falls. Flights to Idaho Falls from London in February are about £866 on average during February, but can be found for as low as £670.

What is the cheapest time of day to fly from LON to IDA?

A simple way to save on the total cost of your ticket is to fly from London to Idaho Falls in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

What airport do you fly into for flights to Idaho Falls from London?

For a flight from London to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 inbound flights from London per day. 3 airlines have flights to Idaho Falls Fanning Field from London on a regular basis.

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

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

How can I find direct flights from London to Idaho Falls?

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

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

Yes. Cheapflights offers flight deals from London 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.

£420+ Flights from London to Idaho Falls

Cheap flight deals from London to Idaho Falls

Round-trip from	£627
One-way from	£420
Popular in	August
Cheapest in	February
Average price	£877

Virgin Atlantic
6/5-13/5
3 total stops
38h 01m total
London to Idaho Falls

Search Deals

23/4
3 total stops
48h 43m total
London to Idaho Falls

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from London to Idaho Falls

Cheapest flights from London to Idaho Falls
Explore the most affordable flight options available from London to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 3月 2025.

火 6/506:15LHR - IDA

2 stops23h 41mVirgin Atlantic

火 13/512:30IDA - LHR

2 stops15h 50mVirgin Atlantic

Deal found 24/3£627

火 6/513:25LHR - IDA

1 stop16h 11mMultiple Airlines

火 13/516:35IDA - LHR

1 stop14h 40mMultiple Airlines

Deal found 24/3£663

金 9/507:25LHR - IDA

2 stops33h 07mUnited Airlines

金 16/516:22IDA - LHR

1 stop34h 18mUnited Airlines

Deal found 25/3£763

水 28/506:15LHR - IDA

2 stops18h 55mDelta

水 11/615:04IDA - LHR

1 stop11h 46mDelta

Deal found 24/3£772

水 28/511:00LHR - IDA

1 stop14h 10mAir France

水 11/611:20IDA - LHR

1 stop15h 30mAir France

Deal found 25/3£774

水 28/506:30LHR - IDA

2 stops23h 21mKLM

水 11/611:20IDA - LHR

2 stops19h 55mKLM

Deal found 24/3£832

火 27/513:00LGW - IDA

2 stops16h 34mMultiple Airlines

火 10/616:20IDA - LGW

2 stops15h 20mMultiple Airlines

Deal found 25/3£1,227

Best flights from London to Idaho Falls
Discover carefully curated flight deals from London to Idaho Falls that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 3月 2025.

火 6/506:15LHR - IDA

2 stops23h 41mVirgin Atlantic

火 13/512:30IDA - LHR

1 stop14h 20mVirgin Atlantic

Deal found 24/3£627

火 6/513:25LHR - IDA

1 stop16h 11mMultiple Airlines

火 13/516:35IDA - LHR

1 stop14h 40mMultiple Airlines

Deal found 24/3£663

金 9/507:25LHR - IDA

2 stops33h 07mUnited Airlines

金 16/516:22IDA - LHR

1 stop34h 18mUnited Airlines

Deal found 25/3£763

水 28/506:15LHR - IDA

2 stops18h 55mDelta

水 11/615:04IDA - LHR

1 stop11h 46mDelta

Deal found 24/3£772

水 28/511:00LHR - IDA

1 stop14h 10mAir France

水 11/611:20IDA - LHR

1 stop15h 30mAir France

Deal found 25/3£774

水 28/506:30LHR - IDA

2 stops23h 21mKLM

水 11/611:20IDA - LHR

2 stops19h 55mKLM

Deal found 24/3£832

火 27/513:00LGW - IDA

2 stops16h 34mMultiple Airlines

火 10/616:20IDA - LGW

2 stops15h 20mMultiple Airlines

Deal found 25/3£1,227

One-way flights from London to Idaho Falls
Search for one-way flight options from London to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated 25 3月 2025.

水 23/422:15LHR - IDA

3 stops48h 43mMultiple Airlines

Deal found 24/3£420

金 4/419:00LGW - IDA

3 stops57h 40mMultiple Airlines

Deal found 25/3£636

水 30/411:00LHR - IDA

1 stop14h 15mAir France

Deal found 24/3£5,180

日 27/417:40LHR - IDA

2 stops26h 50mUnited Airlines

Deal found 24/3£9,715

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

火 6/5

06:15-22:56

2 stops23h 41m

Idaho Falls Fanning Field

火 13/5

12:30-11:20

2 stops15h 50m

£627

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

火 6/5

13:25-22:36

1 stop16h 11m

Idaho Falls Fanning Field

火 13/5

16:35-14:15

1 stop14h 40m

£663

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

金 9/5

07:25-09:32

2 stops33h 07m

Idaho Falls Fanning Field

金 16/5

16:22-09:40

1 stop34h 18m

£763

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

水 28/5

06:15-18:10

2 stops18h 55m

Idaho Falls Fanning Field

水 11/6

15:04-09:50

1 stop11h 46m

£772

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

水 28/5

11:00-18:10

1 stop14h 10m

Idaho Falls Fanning Field

水 11/6

11:20-09:50

1 stop15h 30m

£774

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

水 28/5

06:30-22:51

2 stops23h 21m

Idaho Falls Fanning Field

水 11/6

11:20-14:15

2 stops19h 55m

£832

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

火 27/5

13:00-22:34

2 stops16h 34m

Idaho Falls Fanning Field

火 10/6

16:20-14:40

2 stops15h 20m

£1,227

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

水 23/4

22:15-15:58

3 stops48h 43m

£420

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

金 4/4

19:00-21:40

3 stops57h 40m

£636

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

水 30/4

11:00-18:15

1 stop14h 15m

£5,180

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 11 results

Best time to book a flight from London to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from London with our price prediction graph.

Estimated return 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 London to Idaho Falls

Rainfall in Idaho Falls by month

In terms of precipitation, rainfall in Idaho Falls ranges from 15.0 - 51.0 inches per month. May is typically the wettest month, when rainfall can reach 51.0 mm. July is typically the driest time to visit Idaho Falls when rainfall is around 15.0 mm.

Temperature in Idaho Falls 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Idaho Falls

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,890 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,318 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,423 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.4

Good

634 reviews

Delta

8.0

Very Good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Idaho Falls from London?
For a flight from London to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 inbound flights from London per day. 3 airlines have flights to Idaho Falls Fanning Field from London on a regular basis.
What are the cheapest airlines flying from London to Idaho Falls round-trip?
Our cheapest airline available from London to Idaho Falls is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £627 on this airline. Additional options worth looking into are United Airlines and Delta, starting at £763 and £772 round-trip. Virgin Atlantic is 27% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from London to Idaho Falls that include hotel bookings?
Yes. In addition to deals on London to Idaho Falls flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Idaho Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Idaho Falls.
Can I find deals for business class flights from London to Idaho Falls?
Yes. Cheapflights offers flight deals from London 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Idaho Falls

Direct flights to United States

Top 3 airlines flying from London to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£598	Average£995	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£614	Average£686	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£716	Average£946	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Idaho Falls?

Deals for London to Idaho Falls flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Idaho Falls?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Idaho Falls for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Idaho Falls with no change fees?

Certainly. Search results for flights to Idaho Falls from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Idaho Falls become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Idaho Falls from London today and book when prices fit your budget.

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Cheap flights from London to Idaho Falls from £420

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Idaho Falls

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Idaho Falls

Cheapest flights from London to Idaho FallsExplore the most affordable flight options available from London to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 3月 2025.

Explore the most affordable flight options available from London to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 3月 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Idaho Falls that are best for you.

Best time to book a flight from London to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Idaho Falls

Rainfall in Idaho Falls by month

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

Temperature in Idaho Falls by month

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

Reviews of airlines servicing Idaho Falls

Related info for your journey

Find useful and relevant information for your journey from London 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?

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

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

How can I find direct flights from London to Idaho Falls?

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

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 London to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from London to Idaho Falls

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Idaho Falls?

Why should you use Cheapflights to find cheap flight tickets from London to Idaho Falls?

Can Cheapflights find flights from London to Idaho Falls with no change fees?

Can Cheapflights notify me if prices for flights from London to Idaho Falls become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Idaho Falls
Explore the most affordable flight options available from London to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 3月 2025.