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 £744 on this airline. Additional options worth looking into are Delta and KLM, starting at £765 and £779 round-trip. Virgin Atlantic is 5% 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 May. For low rates, February can be a great choice for travel to Idaho Falls. Flights to Idaho Falls from London in February are about £786 on average during February, but can be found for as low as £647.

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.

£744+ Flights from London to Idaho Falls - Compare & Save Big

Cheap flight deals from London to Idaho Falls

Round-trip from	£744
Popular in	May
Cheapest in	February
Average price	£737

Virgin Atlantic
28/5-11/6
3 total stops
46h 51m total
London to Idaho Falls

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£68 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 30 April 2025.

Wed 28/511:00LHR - IDA

1 stop14h 10mVirgin Atlantic

Wed 11/615:04IDA - LHR

2 stops32h 41mVirgin Atlantic

Deal found 29/4£744

Sun 11/506:30LHR - IDA

2 stops23h 21mDelta

Fri 20/606:00IDA - LHR

2 stops24h 10mDelta

Deal found 29/4£765

Tue 27/510:55LHR - IDA

1 stop14h 15mKLM

Tue 10/615:04IDA - LHR

2 stops15h 06mKLM

Deal found 29/4£779

Sun 11/512:15LHR - IDA

2 stops17h 30mLufthansa

Fri 20/614:25IDA - LHR

1 stop14h 55mLufthansa

Deal found 29/4£804

Tue 27/508:20LHR - IDA

1 stop19h 57mAmerican Airlines

Tue 10/607:00IDA - LHR

1 stop19h 00mAmerican Airlines

Deal found 30/4£815

Fri 13/614:05LHR - IDA

2 stops37h 53mUnited Airlines

Fri 20/614:25IDA - LHR

1 stop12h 15mUnited Airlines

Deal found 29/4£895

Tue 27/515:40LGW - IDA

2 stops31h 00mMultiple Airlines

Tue 10/606:00IDA - LGW

2 stops25h 40mMultiple Airlines

Deal found 30/4£1,183

Tue 26/809:25LHR - IDA

1 stop20h 14mMultiple Airlines

Mon 1/916:03IDA - LHR

1 stop14h 37mMultiple Airlines

Deal found 29/4£1,521

Tue 26/812:00LGW - IDA

2 stops41h 15mVirgin Atlantic

Mon 1/915:05IDA - LGW

2 stops35h 55mVirgin Atlantic

Deal found 29/4£2,486

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 30 April 2025.

Wed 28/511:00LHR - IDA

1 stop14h 10mVirgin Atlantic

Wed 11/615:04IDA - LHR

2 stops32h 41mVirgin Atlantic

Deal found 29/4£744

Sun 11/506:30LHR - IDA

2 stops23h 21mDelta

Fri 20/606:00IDA - LHR

2 stops24h 10mDelta

Deal found 29/4£765

Tue 27/510:55LHR - IDA

1 stop14h 15mKLM

Tue 10/615:04IDA - LHR

2 stops15h 06mKLM

Deal found 29/4£779

Sun 11/512:15LHR - IDA

2 stops17h 30mLufthansa

Fri 20/614:25IDA - LHR

1 stop14h 55mLufthansa

Deal found 29/4£804

Tue 27/508:20LHR - IDA

1 stop19h 57mAmerican Airlines

Tue 10/607:00IDA - LHR

1 stop19h 00mAmerican Airlines

Deal found 30/4£815

Fri 13/614:05LHR - IDA

2 stops37h 53mUnited Airlines

Fri 20/614:25IDA - LHR

1 stop12h 15mUnited Airlines

Deal found 29/4£895

Tue 27/515:40LGW - IDA

2 stops31h 00mMultiple Airlines

Tue 10/606:00IDA - LGW

2 stops25h 40mMultiple Airlines

Deal found 30/4£1,183

Tue 26/809:25LHR - IDA

1 stop20h 14mMultiple Airlines

Mon 1/916:03IDA - LHR

1 stop14h 37mMultiple Airlines

Deal found 29/4£1,521

Tue 26/812:00LGW - IDA

2 stops41h 15mVirgin Atlantic

Mon 1/915:05IDA - LGW

2 stops35h 55mVirgin Atlantic

Deal found 29/4£2,486

Last-minute flights from London to Idaho Falls
Discover last-minute flight deals from London to Idaho Falls. Data last updated 30 April 2025 and is based on user searches.

Sun 11/506:30LHR - IDA

2 stops23h 21mDelta

Fri 20/606:00IDA - LHR

2 stops24h 10mDelta

Deal found 29/4£765

Sun 11/512:15LHR - IDA

2 stops17h 30mLufthansa

Fri 20/614:25IDA - LHR

1 stop14h 55mLufthansa

Deal found 29/4£804

Tue 27/510:55LHR - IDA

1 stop14h 15mKLM

Tue 10/615:04IDA - LHR

2 stops15h 06mKLM

Deal found 29/4£779

Tue 27/508:20LHR - IDA

1 stop19h 57mAmerican Airlines

Tue 10/607:00IDA - LHR

1 stop19h 00mAmerican Airlines

Deal found 30/4£815

Tue 27/515:40LGW - IDA

2 stops31h 00mMultiple Airlines

Tue 10/606:00IDA - LGW

2 stops25h 40mMultiple Airlines

Deal found 30/4£1,183

Wed 28/511:00LHR - IDA

1 stop14h 10mVirgin Atlantic

Wed 11/615:04IDA - LHR

2 stops32h 41mVirgin Atlantic

Deal found 29/4£744

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

Wed 28/5

11:00-18:10

1 stop14h 10m

Idaho Falls Fanning Field

Wed 11/6

15:04-06:45

2 stops32h 41m

£744

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sun 11/5

06:30-22:51

2 stops23h 21m

Idaho Falls Fanning Field

Fri 20/6

06:00-13:10

2 stops24h 10m

£765

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 27/5

10:55-18:10

1 stop14h 15m

Idaho Falls Fanning Field

Tue 10/6

15:04-13:10

2 stops15h 06m

£779

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sun 11/5

12:15-22:45

2 stops17h 30m

Idaho Falls Fanning Field

Fri 20/6

14:25-12:20

1 stop14h 55m

£804

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 27/5

08:20-21:17

1 stop19h 57m

Idaho Falls Fanning Field

Tue 10/6

07:00-09:00

1 stop19h 00m

£815

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Fri 13/6

14:05-20:58

2 stops37h 53m

Idaho Falls Fanning Field

Fri 20/6

14:25-09:40

1 stop12h 15m

£895

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 27/5

15:40-15:40

2 stops31h 00m

Idaho Falls Fanning Field

Tue 10/6

06:00-14:40

2 stops25h 40m

£1,183

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 26/8

09:25-22:39

1 stop20h 14m

Idaho Falls Fanning Field

Mon 1/9

16:03-13:40

1 stop14h 37m

£1,521

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 26/8

12:00-22:15

2 stops41h 15m

Idaho Falls Fanning Field

Mon 1/9

15:05-10:00

2 stops35h 55m

£2,486

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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

7,936 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

7,936 reviews

Delta

8.0

Very Good

7,936 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

1,334 reviews

Delta

8.0

Very Good

7,936 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

8,696 reviews

Delta

8.0

Very Good

7,936 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

643 reviews

Delta

8.0

Very Good

7,936 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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,936 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 £744 on this airline. Additional options worth looking into are Delta and KLM, starting at £765 and £779 round-trip. Virgin Atlantic is 5% 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£577	Average£859	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£592	Average£662	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£741	Average£1,046	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 £744

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/5. 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

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 30 April 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 30 April 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 30 April 2025.