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Cheap flights from the United Kingdom to Idaho Falls from $1,054

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 6/3. 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
2:25 pm - 10:15 pm
LHR
-
IDA
14h 50m
1 stop
American Airlines Logo
7:00 am - 10:15 am
IDA
-
LHR
20h 15m
2 stops
$1,054American Airlines
Wed, Jun 3 - Wed, Jun 17
Virgin Atlantic Logo
10:55 am - 10:42 pm
LHR
-
IDA
18h 47m
1 stop
Virgin Atlantic Logo
3:16 pm - 2:35 pm
IDA
-
LHR
16h 19m
2 stops
$1,055Virgin Atlantic
Tue, May 12 - Sun, May 24
Virgin Atlantic Logo
11:40 am - 10:42 pm
LHR
-
IDA
18h 02m
2 stops
Virgin Atlantic Logo
3:16 pm - 2:35 pm
IDA
-
LHR
16h 19m
2 stops
$1,078Virgin Atlantic
Tue, May 12 - Sun, May 24
American Airlines Logo
8:10 pm - 1:38 pm
LHR
-
IDA
24h 28m
2 stops
American Airlines Logo
7:00 am - 10:30 am
IDA
-
LHR
20h 30m
2 stops
$1,095American Airlines
Wed, Jun 3 - Sun, Jun 14
Virgin Atlantic Logo
10:55 am - 10:16 pm
LHR
-
IDA
18h 21m
1 stop
Virgin Atlantic Logo
1:10 pm - 11:00 am
IDA
-
LHR
14h 50m
1 stop
$1,121Virgin Atlantic
Tue, Mar 31 - Tue, Apr 7
United Airlines Logo
7:30 am - 9:04 pm
LHR
-
IDA
20h 34m
2 stops
United Airlines Logo
5:20 pm - 12:20 pm
IDA
-
LHR
12h 00m
1 stop
$1,122United Airlines
Tue, Apr 14 - Tue, Apr 21
Virgin Atlantic Logo
6:55 pm - 6:15 pm
LHR
-
IDA
30h 20m
2 stops
Virgin Atlantic Logo
1:10 pm - 12:10 pm
IDA
-
LHR
16h 00m
2 stops
$1,130Virgin Atlantic
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
8:50 pm - 10:53 pm
MAN
-
IDA
33h 03m
2 stops
Multiple Airlines Logo
6:00 am - 10:20 am
IDA
-
MAN
21h 20m
2 stops
$1,211Multiple Airlines
Tue, May 12 - Sun, May 24
Multiple Airlines Logo
3:40 pm - 10:53 pm
LGW
-
IDA
38h 13m
2 stops
Multiple Airlines Logo
1:54 pm - 2:40 pm
IDA
-
LGW
17h 46m
2 stops
$1,233Multiple Airlines
Tue, May 12 - Sun, May 24
United Airlines Logo
6:00 am - 9:06 pm
MAN
-
IDA
21h 06m
2 stops
United Airlines Logo
5:30 pm - 12:20 pm
IDA
-
MAN
36h 50m
2 stops
$1,275United Airlines
Wed, Mar 18 - Sun, Mar 22

United Airlines flights from United Kingdom to Idaho Falls

Our best United Airlines deals on United Kingdom to Idaho Falls flight tickets
United Airlines
Apr 14
LHR7:30 amLondon Heathrow
20h 34m
2 stops
IDA9:04 pmIdaho Falls Fanning Field
Apr 21
IDA5:20 pmIdaho Falls Fanning Field
12h 00m
1 stop
LHR12:20 pmLondon Heathrow
$1,122
United Airlines
Apr 14
LHR2:50 pmLondon Heathrow
13h 14m
1 stop
IDA9:04 pmIdaho Falls Fanning Field
Apr 21
IDA2:30 pmIdaho Falls Fanning Field
12h 10m
1 stop
LHR9:40 amLondon Heathrow
$1,154
United Airlines
Mar 18
MAN6:00 amManchester
21h 06m
2 stops
IDA9:06 pmIdaho Falls Fanning Field
Mar 22
IDA5:30 pmIdaho Falls Fanning Field
36h 50m
2 stops
MAN12:20 pmManchester
$1,275

Virgin Atlantic flights from United Kingdom to Idaho Falls

Our best Virgin Atlantic deals on United Kingdom to Idaho Falls flight tickets
Virgin Atlantic
May 12
LHR10:55 amLondon Heathrow
18h 47m
1 stop
IDA10:42 pmIdaho Falls Fanning Field
May 24
IDA3:16 pmIdaho Falls Fanning Field
16h 19m
2 stops
LHR2:35 pmLondon Heathrow
$1,055
Virgin Atlantic
May 12
LHR11:40 amLondon Heathrow
18h 02m
2 stops
IDA10:42 pmIdaho Falls Fanning Field
May 24
IDA3:16 pmIdaho Falls Fanning Field
16h 19m
2 stops
LHR2:35 pmLondon Heathrow
$1,078
Virgin Atlantic
Mar 31
LHR10:55 amLondon Heathrow
18h 21m
1 stop
IDA10:16 pmIdaho Falls Fanning Field
Apr 7
IDA1:10 pmIdaho Falls Fanning Field
14h 50m
1 stop
LHR11:00 amLondon Heathrow
$1,121

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 March 4, 2026.
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

LHR - IDA

LHRIDA

London Heathrow

Wed 6/3

2:25 pm-10:15 pm

1 stop14h 50m

Idaho Falls Fanning Field

Wed 6/17

7:00 am-10:15 am

2 stops20h 15m

$1,054

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 5/12

10:55 am-10:42 pm

1 stop18h 47m

Idaho Falls Fanning Field

Sun 5/24

3:16 pm-2:35 pm

2 stops16h 19m

$1,055

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 5/12

11:40 am-10:42 pm

2 stops18h 02m

Idaho Falls Fanning Field

Sun 5/24

3:16 pm-2:35 pm

2 stops16h 19m

$1,078

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 6/3

8:10 pm-1:38 pm

2 stops24h 28m

Idaho Falls Fanning Field

Sun 6/14

7:00 am-10:30 am

2 stops20h 30m

$1,095

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 3/31

10:55 am-10:16 pm

1 stop18h 21m

Idaho Falls Fanning Field

Tue 4/7

1:10 pm-11:00 am

1 stop14h 50m

$1,121

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 4/14

7:30 am-9:04 pm

2 stops20h 34m

Idaho Falls Fanning Field

Tue 4/21

5:20 pm-12:20 pm

1 stop12h 00m

$1,122

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 3/31

6:55 pm-6:15 pm

2 stops30h 20m

Idaho Falls Fanning Field

Tue 4/7

1:10 pm-12:10 pm

2 stops16h 00m

$1,130

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Tue 5/12

8:50 pm-10:53 pm

2 stops33h 03m

Idaho Falls Fanning Field

Sun 5/24

6:00 am-10:20 am

2 stops21h 20m

$1,211

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Tue 5/12

3:40 pm-10:53 pm

2 stops38h 13m

Idaho Falls Fanning Field

Sun 5/24

1:54 pm-2:40 pm

2 stops17h 46m

$1,233

ManchesterIdaho Falls

MAN - IDA

MANIDA

Manchester

Wed 3/18

6:00 am-9:06 pm

2 stops21h 06m

Idaho Falls Fanning Field

Sun 3/22

5:30 pm-12:20 pm

2 stops36h 50m

$1,275

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 6% 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

Fastest flight time

16h 39m

Direct flights

None
The fastest flight from United Kingdom to Idaho Falls takes 16h 39m
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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