Find Cheap Flights from Idaho Falls to London (IDA - LON)

Flights overview

Useful information for finding cheap flights from Idaho Falls to London and booking your next trip

Cheapest round-trip flights	$680	American 1 stop 16 hr Mon, Apr 20 — Tue, May 5	The cheapest round-trip flight from Idaho Falls to London is currently $680
Cheapest one-way flight	$399	United 1 stop 16 hr Wed, Mar 4	The cheapest one-way flight from Idaho Falls to London is currently $399
Last-minute weekend getaway	$1,384	Alaska, Icelandair 2 stops 33 hr Thu, Feb 5 — Mon, Feb 9	The cheapest last-minute weekend getaway from Idaho Falls to London is currently $1,384
Cheapest business class flights	$2,975	Alaska, Icelandair 2 stops 32 hr Mon, Apr 20 — Tue, May 5	The cheapest business class round-trip flight from Idaho Falls to London is currently $2,975

Fastest flight	11 hr 35 min	The fastest flight with stops from Idaho Falls to London takes 11 hr 35 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Idaho Falls to London is typically January. The most expensive month to fly is typically June.

January Cheapest	Typical prices: $620–1,100
June Most expensive	Typical prices: $1,250–1,800

Popular airlines from Idaho Falls to London

United

from $685

Typical price: $720–1,800

104 weekly connecting flights

IDA - LHR Every day
American

from $680

Typical price: $760–1,800

21 weekly connecting flights

IDA - LHR Every day
Delta

from $680

Typical price: $750–1,850

20 weekly connecting flights

IDA - LHR Every day

Popular airports near Idaho Falls

Idaho Falls Regional Airport (IDA)

Idaho Falls United States 8 min 2 mi
Salt Lake City International Airport (SLC)

Salt Lake City United States 3 hr 3 min 186 mi
Jackson Hole Airport (JAC)

Jackson United States 2 hr 2 min 65 mi
Friedman Memorial Airport (SUN) (SUN)

Sun Valley United States 2 hr 17 min 112 mi

Popular airports near London

Heathrow Airport (LHR)

London United Kingdom 48 min 14 mi
London Gatwick Airport (LGW)

London United Kingdom 1 hr 26 min 25 mi
London Stansted Airport (STN)

London United Kingdom 1 hr 5 min 30 mi
London Luton Airport (LTN)

London United Kingdom 1 hr 9 min 27 mi

Frequently asked questions about flying from Idaho Falls to London

The cheapest flights from Idaho Falls to London are usually in January. Typical ticket prices in January range from $620 to $1,100.

The cheapest round-trip flight from Idaho Falls to London recently found on Google Flights was with American from $680. The cheapest one-way flight was with United from $399.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Idaho Falls to London is $685, flying from Apr 18 to May 1.
The cheapest American flight from Idaho Falls to London is $680, flying from Apr 5 to Apr 21.
The cheapest Delta flight from Idaho Falls to London is $680, flying from Apr 20 to May 5.

The cheapest round-trip flight from Idaho Falls to London starts at $680 from Mon, Apr 20 to Tue, May 5. The cheapest one-way flight starts at $399 and departs on Wed, Mar 4.

11 hr 35 min is the shortest flight time from Idaho Falls to London.

London is a year-round destination, getting busiest Jun–Sep and in the run-up to Christmas and New Year (Dec). Jul–Aug is when many Europeans take holidays, so visitors may face more crowds and limited availability of hotel rooms. Key events include the London Marathon (Apr), Notting Hill Carnival (Aug) and Frieze London art fair (Oct). Sep–May is the city's primary season for theatre, opera, ballet and classical music. Summer’s warmer weather brings many free outdoor music and theatre festivals.

It's easy to use Google Flights to find the cheapest days to fly from Idaho Falls to London.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Idaho Falls to London really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Idaho Falls to London.

In terms of flights, United is the most popular. United offers 104 connecting flights per week. United flies from Idaho Falls Regional Airport (IDA) to Heathrow Airport (LHR) .

Other popular airlines flying from Idaho Falls to London are:

American offers 21 connecting flights per week. American flies from Idaho Falls Regional Airport (IDA) to Heathrow Airport (LHR) .
Delta offers 20 connecting flights per week. Delta flies from Idaho Falls Regional Airport (IDA) to Heathrow Airport (LHR) .

The number of connecting flights refers to distinct flights with at least one stop between Idaho Falls and London.

The cheapest round-trip flight from Idaho Falls to London recently found on Google Flights was with American from $680. The cheapest one-way flight was with United from $399.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Idaho Falls to London is $685, flying from Apr 18 to May 1.
The cheapest American flight from Idaho Falls to London is $680, flying from Apr 5 to Apr 21.
The cheapest Delta flight from Idaho Falls to London is $680, flying from Apr 20 to May 5.

No airline flies direct from Idaho Falls to London.

There are 104 United connecting flights from Idaho Falls to London per week. Flights are available every day.
There are 21 American connecting flights from Idaho Falls to London per week. Flights are available every day.
There are 20 Delta connecting flights from Idaho Falls to London per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Idaho Falls and London at price $1,384 is offered by Alaska, Icelandair from Thu, Feb 5 to Mon, Feb 9.

No airline flies direct from Idaho Falls to London.

There are 104 United connecting flights from Idaho Falls to London per week. Flights are available every day.
There are 21 American connecting flights from Idaho Falls to London per week. Flights are available every day.
There are 20 Delta connecting flights from Idaho Falls to London per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Idaho Falls to London.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Idaho Falls to London, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Idaho Falls and London start at $2,975 from Mon, Apr 20 to Tue, May 5 with Alaska, Icelandair.

The cheapest economy class round-trip flights between Idaho Falls and London start at $680 from Mon, Apr 20 to Tue, May 5.

To book business class trips from Idaho Falls to London, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Idaho Falls and London starts at $1,384 from Thu, Feb 5 to Mon, Feb 9 with Alaska, Icelandair.

The cheapest last-minute deal between Idaho Falls and London at price $1,384 is offered by Alaska, Icelandair from Thu, Feb 5 to Mon, Feb 9.

To find last-minute flight deals from Idaho Falls to London, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.