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Cheap flights from London to Idaho Falls from $709

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:00 pm - 3:20 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
29h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:58 pm - 3:05 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
18h 07m1 stop Seattle/Tacoma Intl
$960Alaska Airlines
Fri, Oct 2 - Fri, Oct 9
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$975Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$976Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$977Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$978Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Multiple Airlines Logo
11:40 am - 10:56 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
18h 16m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
1:58 pm - 3:35 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
18h 37m1 stop Seattle/Tacoma Intl
$1,034Multiple Airlines
Fri, Oct 2 - Fri, Oct 9
Multiple Airlines Logo
6:15 am - 10:56 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
23h 41m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
Multiple Airlines Logo
1:58 pm - 11:20 amIDA  Idaho Falls Fanning Field-LHR London Heathrow
14h 22m1 stop Seattle/Tacoma Intl
$1,054Multiple Airlines
Fri, Oct 2 - Fri, Oct 9
Alaska Airlines Logo
2:45 pm - 10:57 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 12m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:02 am - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 18m1 stop Seattle/Tacoma Intl
$1,103Alaska Airlines
Fri, Nov 20 - Sat, Nov 28
Virgin Atlantic Logo
8:25 pm - 10:22 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
32h 57m2 stops Amsterdam Schiphol Salt Lake City
Virgin Atlantic Logo
1:11 pm - 10:00 amIDA  Idaho Falls Fanning Field-LHR London Heathrow
13h 49m1 stop Salt Lake City
$1,156Virgin Atlantic
Fri, Nov 20 - Sat, Nov 28
Alaska Airlines Logo
2:45 pm - 10:53 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
37h 22m2 stops Portland Seattle/Tacoma Intl
$1,158Alaska Airlines
Thu, Jan 28 - Mon, Feb 1

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United Airlines flights from London to Idaho Falls

Our best United Airlines deals on London to Idaho Falls flight tickets
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA10:45 amIdaho Falls Fanning Field
16h 30m
2 stops
LHR10:15 amLondon Heathrow
$1,307
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA10:45 amIdaho Falls Fanning Field
16h 30m
2 stops
LHR10:15 amLondon Heathrow
$1,308
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA10:45 amIdaho Falls Fanning Field
16h 30m
2 stops
LHR10:15 amLondon Heathrow
$1,309

Alaska Airlines flights from London to Idaho Falls

Our best Alaska Airlines deals on London to Idaho Falls flight tickets
Alaska Airlines
Oct 2
LHR5:00 pmLondon Heathrow
29h 20m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
Oct 9
IDA1:58 pmIdaho Falls Fanning Field
18h 07m
1 stop
LHR3:05 pmLondon Heathrow
$960
Alaska Airlines
Jan 28
LHR2:45 pmLondon Heathrow
31h 36m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
Feb 1
IDA1:56 pmIdaho Falls Fanning Field
15h 24m
1 stop
LHR12:20 pmLondon Heathrow
$975
Alaska Airlines
Jan 28
LHR2:45 pmLondon Heathrow
31h 36m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
Feb 1
IDA1:56 pmIdaho Falls Fanning Field
15h 24m
1 stop
LHR12:20 pmLondon Heathrow
$976

momondo 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

Cheapest round-trip

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 10/2

5:00 pm-3:20 pm

1 stop29h 20m

Idaho Falls Fanning Field

Fri 10/9

1:58 pm-3:05 pm

1 stop18h 07m

$960

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$975

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$976

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$977

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$978
Quickest round-trip

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 10/2

11:40 am-10:56 pm

1 stop18h 16m

Idaho Falls Fanning Field

Fri 10/9

1:58 pm-3:35 pm

1 stop18h 37m

$1,034

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 10/2

6:15 am-10:56 pm

2 stops23h 41m

Idaho Falls Fanning Field

Fri 10/9

1:58 pm-11:20 am

1 stop14h 22m

$1,054

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 11/20

2:45 pm-10:57 pm

1 stop15h 12m

Idaho Falls Fanning Field

Sat 11/28

6:02 am-12:20 pm

1 stop23h 18m

$1,103

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 11/20

8:25 pm-10:22 pm

2 stops32h 57m

Idaho Falls Fanning Field

Sat 11/28

1:11 pm-10:00 am

1 stop13h 49m

$1,156

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-10:53 pm

1 stop15h 08m

Idaho Falls Fanning Field

Mon 2/1

3:58 pm-12:20 pm

2 stops37h 22m

$1,158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from London 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 London to Idaho Falls flights?

You could potentially save up to 3% on your flight if you consider stops on a London to Idaho Falls flight.

When to book flights from London to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from London to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Idaho Falls (LON to IDA) flight deals and tips

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

Best Price Found

$709

Fastest flight time

18h 02m

Direct flights

None
The best one-way flight to Idaho Falls from London in the past 72 hours is $709. The best round-trip flight deal from London to Idaho Falls found on momondo in the last 72 hours is $960.
The fastest flight from London to Idaho Falls takes 18h 02m
There are no direct flights from London to Idaho Falls. There are no popular flight routes from London to Idaho Falls.
Search flight deals

Frequently asked questions about flying from London to Idaho Falls

  • How far is London to Idaho Falls Fanning Field by plane?

    There are 4715.6 mi between London and Idaho Falls Fanning Field. Typically, this will take 18h 02m by plane in normal conditions.

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

    Prices for flights from London to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Idaho Falls Fanning Field Airport.

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

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek 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 London to Idaho Falls?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Idaho Falls for you.

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

Yes. momondo allows you to filter the results for London to Idaho Falls flights to just show those with flexible booking policies.

How can momondo help me find flights from London 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 London.

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

Price alerts on flights to Idaho Falls from London 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.

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