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Cheap flights from the United Kingdom to Idaho Falls from $1,007

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Idaho Falls departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Idaho Falls

Recent round-trip flight deals from the United Kingdom to Idaho Falls

Enter your travel dates to find the best prices.
American Airlines Logo
12:30 pm - 1:27 pmLGW-IDA
31h 57m2 stops
American Airlines Logo
1:58 pm - 7:30 amIDA-LGW
34h 32m2 stops
$1,007American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
American Airlines Logo
12:30 pm - 1:27 pmLGW-IDA
31h 57m2 stops
American Airlines Logo
1:58 pm - 7:30 amIDA-LGW
34h 32m2 stops
$1,008American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
Virgin Atlantic Logo
8:25 pm - 10:21 pmLHR-IDA
32h 56m2 stops
Virgin Atlantic Logo
6:00 am - 10:00 amIDA-LHR
21h 00m1 stop
$1,128Virgin Atlantic
Find Deal
Mon, Dec 1 - Mon, Dec 8
Virgin Atlantic Logo
8:25 pm - 10:21 pmLHR-IDA
32h 56m2 stops
Virgin Atlantic Logo
6:00 am - 6:50 amIDA-LHR
17h 50m2 stops
$1,133Virgin Atlantic
Find Deal
Mon, Dec 1 - Mon, Dec 8
United Airlines Logo
6:00 pm - 9:12 pmLHR-IDA
34h 12m2 stops
United Airlines Logo
2:45 pm - 9:40 amIDA-LHR
11h 55m1 stop
$1,223United Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
United Airlines Logo
10:00 am - 9:58 amLHR-IDA
30h 58m2 stops
United Airlines Logo
4:05 pm - 9:40 amIDA-LHR
34h 35m1 stop
$1,283United Airlines
Find Deal
Wed, Dec 31 - Mon, Jan 5
United Airlines Logo
10:00 am - 9:58 amLHR-IDA
30h 58m2 stops
United Airlines Logo
10:45 am - 10:50 amIDA-LHR
41h 05m2 stops
$1,305United Airlines
Find Deal
Wed, Dec 31 - Mon, Jan 5
United Airlines Logo
6:00 am - 1:30 pmMAN-IDA
38h 30m2 stops
United Airlines Logo
2:40 pm - 5:00 pmIDA-MAN
43h 20m2 stops
$1,409United Airlines
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Thu, Jan 8 - Thu, Jan 22
Multiple Airlines Logo
10:45 am - 10:52 pmLHR-IDA
19h 07m1 stop
Multiple Airlines Logo
2:43 pm - 12:50 pmIDA-LHR
15h 07m1 stop
$1,424Multiple Airlines
Find Deal
Wed, Dec 31 - Mon, Jan 5
Multiple Airlines Logo
4:30 pm - 1:27 pmLHR-IDA
27h 57m1 stop
Multiple Airlines Logo
7:00 am - 1:15 pmIDA-LHR
23h 15m1 stop
$2,705Multiple Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8

American Airlines flights from United Kingdom to Idaho Falls

Our best American Airlines deals on United Kingdom to Idaho Falls flight tickets
American Airlines
Dec 1
LGW12:30 pmLondon Gatwick
31h 57m
2 stops
IDA1:27 pmIdaho Falls Fanning Field
Dec 8
IDA1:58 pmIdaho Falls Fanning Field
34h 32m
2 stops
LGW7:30 amLondon Gatwick
$1,007
Find similar
American Airlines
Dec 1
LGW12:30 pmLondon Gatwick
31h 57m
2 stops
IDA1:27 pmIdaho Falls Fanning Field
Dec 8
IDA1:58 pmIdaho Falls Fanning Field
34h 32m
2 stops
LGW7:30 amLondon Gatwick
$1,008
Find similar
American Airlines
Dec 1
LGW12:30 pmLondon Gatwick
31h 57m
2 stops
IDA1:27 pmIdaho Falls Fanning Field
Dec 8
IDA1:58 pmIdaho Falls Fanning Field
34h 32m
2 stops
LGW7:30 amLondon Gatwick
$1,018
Find similar

United Airlines flights from United Kingdom to Idaho Falls

Our best United Airlines deals on United Kingdom to Idaho Falls flight tickets
United Airlines
Dec 1
LHR6:00 pmLondon Heathrow
34h 12m
2 stops
IDA9:12 pmIdaho Falls Fanning Field
Dec 8
IDA10:58 amIdaho Falls Fanning Field
15h 42m
1 stop
LHR9:40 amLondon Heathrow
$1,180
Find similar
United Airlines
Dec 1
LHR6:00 pmLondon Heathrow
34h 12m
2 stops
IDA9:12 pmIdaho Falls Fanning Field
Dec 8
IDA2:45 pmIdaho Falls Fanning Field
11h 55m
1 stop
LHR9:40 amLondon Heathrow
$1,223
Find similar
United Airlines
Dec 31
LHR10:00 amLondon Heathrow
30h 58m
2 stops
IDA9:58 amIdaho Falls Fanning Field
Jan 5
IDA4:05 pmIdaho Falls Fanning Field
34h 35m
1 stop
LHR9:40 amLondon Heathrow
$1,283
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from the United Kingdom to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Mon 12/1

12:30 pm-1:27 pm

2 stops31h 57m

Idaho Falls Fanning Field

Mon 12/8

1:58 pm-7:30 am

2 stops34h 32m

$1,007

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Mon 12/1

12:30 pm-1:27 pm

2 stops31h 57m

Idaho Falls Fanning Field

Mon 12/8

1:58 pm-7:30 am

2 stops34h 32m

$1,008

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 12/1

8:25 pm-10:21 pm

2 stops32h 56m

Idaho Falls Fanning Field

Mon 12/8

6:00 am-10:00 am

1 stop21h 00m

$1,128

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 12/1

8:25 pm-10:21 pm

2 stops32h 56m

Idaho Falls Fanning Field

Mon 12/8

6:00 am-6:50 am

2 stops17h 50m

$1,133

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 12/1

6:00 pm-9:12 pm

2 stops34h 12m

Idaho Falls Fanning Field

Mon 12/8

2:45 pm-9:40 am

1 stop11h 55m

$1,223

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 12/31

10:00 am-9:58 am

2 stops30h 58m

Idaho Falls Fanning Field

Mon 1/5

4:05 pm-9:40 am

1 stop34h 35m

$1,283

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 12/31

10:00 am-9:58 am

2 stops30h 58m

Idaho Falls Fanning Field

Mon 1/5

10:45 am-10:50 am

2 stops41h 05m

$1,305

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Thu 1/8

6:00 am-1:30 pm

2 stops38h 30m

Idaho Falls Fanning Field

Thu 1/22

2:40 pm-5:00 pm

2 stops43h 20m

$1,409

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 12/31

10:45 am-10:52 pm

1 stop19h 07m

Idaho Falls Fanning Field

Mon 1/5

2:43 pm-12:50 pm

1 stop15h 07m

$1,424

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Mon 12/1

4:30 pm-1:27 pm

1 stop27h 57m

Idaho Falls Fanning Field

Mon 12/8

7:00 am-1:15 pm

1 stop23h 15m

$2,705

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Idaho Falls from

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

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

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

You could potentially save up to 37% on your flight if you consider stops on a United Kingdom to Idaho Falls flight.

Cheap United Kingdom to Idaho Falls flight deals and tips

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

Direct flights

None
There are no direct flights from United Kingdom to Idaho Falls. There are no popular flight routes from United Kingdom to Idaho Falls.
Search flight deals

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from United Kingdom.

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

momondo does allow users to show only those flights to Idaho Falls from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from United Kingdom.

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

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from United Kingdom and alert you when they change.

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