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Cheap flights from London to Idaho Falls from £373

LON — IDA
21 Nov — 28 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Idaho Falls

Enter your travel dates to find the best prices.

Cheapest flights from London to Idaho Falls

Sat 5/1214:45 -
2 stops29h 32m
Sat 12/1213:54 -
1 stop15h 26m
Deal found 21/10£973
Sat 5/1207:30 -
2 stops20h 29m
Sat 12/1210:40 -
2 stops16h 45m
Deal found 21/10£1,031

Find flight deals from London to Idaho Falls

Round-trip from

£709

One-way from

£373
Alaska Airlines
  • Alaska Airlines
  • 16/1-22/1
  • 2 total stops
  • 30h 32m total
  • London to Idaho Falls
Search Deals
19/11-31/12
  • 19/11-31/12
  • 3 total stops
  • 35h 34m total
  • London to Idaho Falls
Search Deals

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

Cheapest return flight

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Wed 18/11

09:50-11:11

3 stops32h 21m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£391

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 12/3

14:50-11:08

2 stops51h 18m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£435

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Sat 21/11

16:35-11:01

3 stops49h 26m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£471

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Fri 20/11

08:15-13:18

3 stops36h 03m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£500

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 20/11

13:40-13:18

3 stops30h 38m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£501

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 19/11

14:50-11:01

2 stops27h 11m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£509

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Sat 21/11

14:50-11:11

2 stops27h 21m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£534

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Thu 19/11

11:00-15:09

2 stops35h 09m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£536
Fastest return journey

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Fri 12/3

14:45-22:39

1 stop14h 54m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£574

LondonIdaho Falls

LGW London Gatwick - IDA Idaho Falls Fanning Field

LGWIDA

London Gatwick

Mon 16/11

07:40-15:18

3 stops38h 38m

Idaho Falls Fanning Field

Wed 31/12

00:00-08:00

Nonstop0h 00m

£627

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 17 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from London to Idaho Falls

What’s the top stopover airport for flights from London to Idaho Falls?

Denver (DEN) – chosen by Cheapflights users on 63% of one-stop itineraries from London to Idaho Falls on Cheapflights.

What’s the cheapest stopover airport for flights from London to Idaho Falls?

Seattle (SEA) is the most affordable one-stop option, with an average return flight price of £678.

What’s the fastest stopover option from London to Idaho Falls?

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 12h 54m.

Which airport typically offers the quickest stopover for flights from London to Idaho Falls?

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 05m.

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. 1 airline has flights to Idaho Falls Fanning Field from London on a regular basis.

  • How long is the flight from London to Idaho Falls?

    For as low as £726, Alaska Airlines can have you in Idaho Falls from London in 31h 36m. There are 4705 mi between London and Idaho Falls.

  • What is the cheapest airline to fly from London to Idaho Falls round-trip?

    Our cheapest airline available from London to Idaho Falls is United Airlines. Our recent data shows that you can find tickets from as low as £1,041 on this airline.

  • 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

Top airline flying from London to Idaho Falls

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£1,041Average£1,151FlexibilityNo cancel feeOn-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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