What is the cheapest airline that flies from Idaho Falls Fanning Field to United Kingdom?

Virgin Atlantic and KLM are the most popular carriers operating from Idaho Falls Fanning Field to United Kingdom

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to United Kingdom?

Prices for flights from Idaho Falls Fanning Field Airport to United Kingdom refresh daily.

How old do you have to be to fly from Idaho Falls Fanning Field Airport to United Kingdom?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$588 Cheap Flights from Idaho Falls to the United Kingdom in 2026

Find the cheapest flights from Idaho Falls to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 am - 9:40 amIDA Idaho Falls Fanning Field-LHR London Heathrow

15h 55m1 stop Denver Intl

6:35 am - 9:28 amLHR London Heathrow-IDA Idaho Falls Fanning Field

33h 53m2 stops Munich Franz Josef Strauss Denver Intl

$823United Airlines

Sun, Dec 6 - Tue, Dec 8

10:45 am - 9:40 amIDA Idaho Falls Fanning Field-LHR London Heathrow

15h 55m1 stop Denver Intl

7:30 am - 5:22 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

16h 52m2 stops Frankfurt am Main Denver Intl

$828United Airlines

Mon, Dec 7 - Wed, Dec 9

5:57 pm - 8:35 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

19h 38m2 stops Denver Intl Newark

9:30 am - 5:22 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

38h 52m2 stops Frankfurt am Main Denver Intl

$832United Airlines

Mon, Dec 7 - Wed, Dec 9

5:57 pm - 8:35 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

19h 38m2 stops Denver Intl Newark

9:30 am - 5:22 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

38h 52m2 stops Frankfurt am Main Denver Intl

$833United Airlines

Mon, Dec 7 - Wed, Dec 9

6:00 am - 10:00 amIDA Idaho Falls Fanning Field-LHR London Heathrow

21h 00m1 stop Salt Lake City

5:50 pm - 6:16 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

31h 26m2 stops Amsterdam Schiphol Salt Lake City

$877KLM

Tue, Dec 1 - Thu, Dec 3

4:03 pm - 12:20 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

13h 17m1 stop Seattle/Tacoma Intl

2:45 pm - 10:39 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

14h 54m1 stop Seattle/Tacoma Intl

$888Alaska Airlines

Tue, Dec 1 - Thu, Dec 3

4:03 pm - 12:20 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

13h 17m1 stop Seattle/Tacoma Intl

2:45 pm - 10:39 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

14h 54m1 stop Seattle/Tacoma Intl

$888Alaska Airlines

Mon, Dec 7 - Wed, Dec 9

4:03 pm - 12:20 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

13h 17m1 stop Seattle/Tacoma Intl

2:45 pm - 10:39 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

14h 54m1 stop Seattle/Tacoma Intl

$888Alaska Airlines

Sun, Dec 6 - Tue, Dec 8

6:15 am - 12:20 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

23h 05m1 stop Seattle/Tacoma Intl

2:45 pm - 10:39 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

14h 54m1 stop Seattle/Tacoma Intl

$889Alaska Airlines

Mon, Dec 7 - Wed, Dec 9

4:03 pm - 12:20 pmIDA Idaho Falls Fanning Field-LHR London Heathrow

13h 17m1 stop Seattle/Tacoma Intl

2:45 pm - 10:39 pmLHR London Heathrow-IDA Idaho Falls Fanning Field

14h 54m1 stop Seattle/Tacoma Intl

$889Alaska Airlines

Sun, Dec 6 - Tue, Dec 8

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KLM flights from Idaho Falls to United Kingdom

Our best KLM deals on Idaho Falls to United Kingdom flight tickets

KLM

Dec 1

IDA6:00 amIdaho Falls Fanning Field

21h 00m

1 stop

LHR10:00 amLondon Heathrow

Dec 3

LHR5:50 pmLondon Heathrow

31h 26m

2 stops

IDA6:16 pmIdaho Falls Fanning Field

$877

KLM

Feb 3

IDA1:10 pmIdaho Falls Fanning Field

15h 30m

2 stops

LHR11:40 amLondon Heathrow

Feb 12

LHR9:50 amLondon Heathrow

15h 24m

2 stops

IDA6:14 pmIdaho Falls Fanning Field

$921

KLM

Dec 1

IDA6:00 amIdaho Falls Fanning Field

21h 00m

1 stop

LHR10:00 amLondon Heathrow

Dec 6

LHR5:05 pmLondon Heathrow

32h 11m

2 stops

IDA6:16 pmIdaho Falls Fanning Field

$927

Alaska Airlines flights from Idaho Falls to United Kingdom

Our best Alaska Airlines deals on Idaho Falls to United Kingdom flight tickets

Alaska Airlines

Dec 6

IDA4:03 pmIdaho Falls Fanning Field

13h 17m

1 stop

LHR12:20 pmLondon Heathrow

Dec 8

LHR2:45 pmLondon Heathrow

14h 54m

1 stop

IDA10:39 pmIdaho Falls Fanning Field

$888

Alaska Airlines

Dec 6

IDA4:03 pmIdaho Falls Fanning Field

13h 17m

1 stop

LHR12:20 pmLondon Heathrow

Dec 8

LHR2:45 pmLondon Heathrow

14h 54m

1 stop

IDA10:39 pmIdaho Falls Fanning Field

$889

Alaska Airlines

Feb 3

IDA1:56 pmIdaho Falls Fanning Field

15h 24m

1 stop

LHR12:20 pmLondon Heathrow

Feb 12

LHR2:45 pmLondon Heathrow

31h 44m

1 stop

IDA3:29 pmIdaho Falls Fanning Field

$894

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Sun 12/6

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Tue 12/8

6:35 am-9:28 am

2 stops33h 53m

$823

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 12/7

10:45 am-9:40 am

1 stop15h 55m

London Heathrow

Wed 12/9

7:30 am-5:22 pm

2 stops16h 52m

$828

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 12/7

5:57 pm-8:35 pm

2 stops19h 38m

London Heathrow

Wed 12/9

9:30 am-5:22 pm

2 stops38h 52m

$832

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 12/7

5:57 pm-8:35 pm

2 stops19h 38m

London Heathrow

Wed 12/9

9:30 am-5:22 pm

2 stops38h 52m

$833

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Tue 12/1

6:00 am-10:00 am

1 stop21h 00m

London Heathrow

Thu 12/3

5:50 pm-6:16 pm

2 stops31h 26m

$877

Quickest round-trip

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Tue 12/1

4:03 pm-12:20 pm

1 stop13h 17m

London Heathrow

Thu 12/3

2:45 pm-10:39 pm

1 stop14h 54m

$888

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 12/7

4:03 pm-12:20 pm

1 stop13h 17m

London Heathrow

Wed 12/9

2:45 pm-10:39 pm

1 stop14h 54m

$888

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Sun 12/6

4:03 pm-12:20 pm

1 stop13h 17m

London Heathrow

Tue 12/8

2:45 pm-10:39 pm

1 stop14h 54m

$888

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Mon 12/7

6:15 am-12:20 pm

1 stop23h 05m

London Heathrow

Wed 12/9

2:45 pm-10:39 pm

1 stop14h 54m

$889

Idaho FallsLondon

IDA Idaho Falls Fanning Field - LHR London Heathrow

IDALHR

Idaho Falls Fanning Field

Sun 12/6

4:03 pm-12:20 pm

1 stop13h 17m

London Heathrow

Tue 12/8

2:45 pm-10:39 pm

1 stop14h 54m

$889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho Falls to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Idaho Falls to United Kingdom flights?

You could potentially save up to 53% on your flight if you consider stops on a Idaho Falls to United Kingdom flight.

Cheap Idaho Falls to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to United Kingdom

Best Price Found	$588
Fastest flight time	12h 03m
Direct flights	None

The best one-way flight to United Kingdom from Idaho Falls in the past 72 hours is $588. The best round-trip flight deal from Idaho Falls to United Kingdom found on momondo in the last 72 hours is $823.

The fastest flight from Idaho Falls to United Kingdom takes 12h 03m

There are no direct flights from Idaho Falls to United Kingdom. There are no popular flight routes from Idaho Falls to United Kingdom.

Search flight deals

Frequently asked questions about flying from Idaho Falls to the United Kingdom

When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to United Kingdom?
Prices for flights from Idaho Falls Fanning Field Airport to United Kingdom refresh daily.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to United Kingdom?

Finding the right flight to United Kingdom from Idaho Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

Can I find flights from Idaho Falls to United Kingdom with flexible booking policies on momondo?

All flight searches from Idaho Falls to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho Falls to United Kingdom?

momondo helps you find the best flight between Idaho Falls and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho Falls to United Kingdom right now. Can momondo alert me if prices change?

Price alerts on flights to United Kingdom from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.