Cheap flights from Idaho Falls to London from £327

Cheap flights from Idaho Falls to London from £327

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3 stops
Wed, Feb 18
Idaho Falls IDALondon LHR
£327
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3 stops
Mon, Feb 23
Idaho Falls IDALondon LHR
£332
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1 stop
Wed, Feb 18
Idaho Falls IDALondon LHR
£460
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1 stop
Thu, Feb 19
Idaho Falls IDALondon LHR
£466
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1 stop
Mon, Feb 23
Idaho Falls IDALondon LHR
£466
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3 stops
Mon, Feb 23 – Mon, Mar 2
Idaho Falls IDALondon LHR
£721
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2 stops
Sun, Feb 22 – Thu, Feb 26
Idaho Falls IDALondon LHR
£793
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3 stops
Mon, Feb 23 – Thu, Feb 26
Idaho Falls IDALondon LHR
£873
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1 stop
Thu, Feb 19 – Tue, Feb 24
Idaho Falls IDALondon LHR
£929
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1 stop
Thu, Feb 19 – Tue, Feb 24
Idaho Falls IDALondon LHR
£966
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1 stop
Fri, Feb 20 – Mon, Feb 23
Idaho Falls IDALondon LHR
£973
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How much do flights to London cost?

Cheapest one-way trip

£327

Cheapest round-trip

£721

Average round-trip

£753

Includes rare itinerary

Travel hack

Most popular airline

Ryanair

Getting from London airports to the city center

Fastest options: Heathrow Express (LHR), Gatwick Express (LGW), Stansted Express (STN). Best value: Underground, DLR, Elizabeth line and commuter trains.

London is served by six airports, each offering a variety of airport transfers to city center destinations. Heathrow Airport (LHR) lies 24 km west of central London, Gatwick Airport (LGW) is 45 km to the south, Stansted Airport (STN) sits 64 km northeast, Luton Airport (LTN) is 46 km north, London City Airport (LCY) is just 11 km east, and Southend Airport (SEN) is 64 km to the east. Transport options include express trains, the Underground, DLR, coaches, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

From London Heathrow Airport (LHR)

Transport Option

Typical time

Typical cost

Frequency

Best for

15 min

£15-£25 (advance vs on-the-day fares)

every 15 min

fastest to Paddington

28-38 min

£12-£13 (Oyster/contactless fare)

every 5–10 min

central London with stops

35-75 min

£60-£100 (metered; varies by traffic)

on-demand 24/7 (traffic dependent)

door-to-door with luggage

From London Gatwick Airport (LGW)

Transport Option

Typical time

Typical cost

Frequency

Best for

30 min

£18-£23 (advance vs on-the-day fares)

every 15 min

fastest to Victoria

From London Stansted Airport (STN)

Transport Option

Typical time

Typical cost

Frequency

Best for

45-50 min

£20-£26 (advance vs on-the-day fares)

every 15–30 min

fastest to the City

From London Luton Airport (LTN)

Transport Option

Typical time

Typical cost

Frequency

Best for

35-55 min

£12-£20 (includes DART transfer)

every 10–20 min

direct to St Pancras

From London City Airport (LCY)

Transport Option

Typical time

Typical cost

Frequency

Best for

15-25 min

£3-£5 (Oyster/contactless fare)

every 4–10 min

Canary Wharf and City

From London Southend Airport (SEN)

Transport Option

Typical time

Typical cost

Frequency

Best for

50-60 min

£18-£25 (advance vs on-the-day fares)

every 20–30 min

direct to Liverpool Street

Notes:

  • Prices in GBP; table created in 2025 and subject to change.
  • Contactless and Oyster are valid on the Underground, DLR, Elizabeth line, and most National Rail services within London zones.
  • Black cabs are metered; ride-hailing prices vary with demand. Road traffic can significantly affect journey times (traffic dependent).
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to London

Depart from
Idaho Falls Regional
Arrive to
Gatwick
Average flights per week
400
Flight distance
Worth visiting
Avebury - British Museum - Canterbury Cathedral - Isle of Wight - Natural History Museum - Portsea Island - Roman Baths, Bath - Stonehenge - St. Paul's Cathedral - Tate Modern - Tower of London

Check-in for a flight from Idaho Falls to London

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
Allegiant AirAAYG4No
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo
Aer LingusEINEINo

Online check-in is not available for these airlines.

Weather in London

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March11°C4°C
April14°C5°C
May17°C8°C
June20°C11°C
July22°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C4°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
281
days per year
Snow days
3
days per year

14 day forecast

Saturday
14 Feb
6°C1°C
21 Feb
13°C9°C
Sunday
15 Feb
89%
7°C2°C
22 Feb
81%
14°C9°C
Monday
16 Feb
89%
9°C5°C
23 Feb
12°C6°C
Tuesday
17 Feb
88%
6°C3°C
24 Feb
16°C9°C
Wednesday
18 Feb
6°C2°C
25 Feb
16°C10°C
Thursday
19 Feb
7°C4°C
26 Feb
88%
12°C8°C
Friday
20 Feb
8°C2°C
27 Feb
13°C6°C
Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are Ryanair, Allegiant Air, Hawaiian Airlines, Alaska Airlines, and Aer Lingus. Idaho Falls and London have 400 direct flights per week. When you arrive at London, consider visiting Avebury, British Museum, Canterbury Cathedral, Isle of Wight, Natural History Museum, Portsea Island, Roman Baths, Bath, Stonehenge, St. Paul's Cathedral, Tate Modern, and Tower of London.

Frequently asked questions

What are the most popular routes to and from Idaho Falls?
Travelers frequently search for route combinations, such as Idaho Falls and Phoenix, Portland, Las Vegas, Santa Ana, Guadalajara, Los Angeles, Fort Lauderdale, Atlanta, Sharm El Sheikh, Mazatlán, Kauai, Lima, Venice, Odessa, Washington, D.C., Stockton, Brisbane, Spokane, Vancouver, Nice.
What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and Istanbul, Tel Aviv, Tirana, Bucharest, Barcelona, Chișinău, Athens, Paris, Madrid, Prague, Edinburgh, Rome, Málaga, Jeddah, Sofia, Bangkok, Larnaca, Bacău, Warsaw, Budapest.
What airports are near Idaho Falls?
The main airport in Idaho Falls is Idaho Falls Regional. It is also served by Idaho Falls Regional, Jackson Hole, Magic Valley Regional, Friedman Memorial, Yellowstone, Pocatello Regional.
What airports are near London?
The main airport in London is Gatwick. It is also served by Birmingham, Bristol, East Midlands, Southampton, Cardiff, Bournemouth, Exeter, Humberside, Norwich.
Which airlines fly between Idaho Falls and London?
Currently, you can fly between Idaho Falls and London with Ryanair, Allegiant Air, Hawaiian Airlines, Alaska Airlines, Aer Lingus.
When’s the best time to travel between Idaho Falls and London?
If you don’t have specific dates for your trip between Idaho Falls and London, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Idaho Falls and London?
Traveling between Idaho Falls and London, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Idaho Falls?
There are a number of airports in and around Idaho Falls. The main one is Idaho Falls Regional and other nearby airports include Idaho Falls Regional, Jackson Hole, Magic Valley Regional, Friedman Memorial, Yellowstone, Pocatello Regional
How many airports are there near London?
There are a number of airports in and around London. The main one is Gatwick and other nearby airports include Birmingham, Bristol, East Midlands, Southampton, Cardiff, Bournemouth, Exeter, Humberside, Norwich.
What time do nonstop (direct) flights between Idaho Falls and London depart?
What time do nonstop (direct) flights between Idaho Falls and London arrive?
What time do flights between Idaho Falls and London depart?
What time do flights between Idaho Falls and London arrive?

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