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Cheap flight tickets from London Heathrow to Boise

Compare London Heathrow to Boise flight deals

Find the cheapest month or even day of the year to fly to Boise

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Flight deals from London Heathrow to Boise

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Boise Airport? If you want to travel next month, return fares start from RM4,606. Find the lowest prices on one-way and return tickets right here.
Boise.RM2,352 per passenger.Departing Wed, 19 Aug.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Wed, 19 Aug, arriving in Boise.Price includes taxes and charges.From RM2,352, select.
Boise.RM2,663 per passenger.Departing Mon, 7 Sep.One-way flight with United.Outbound indirect flight with United, departs from London Heathrow on Mon, 7 Sep, arriving in Boise.Price includes taxes and charges.From RM2,663, select.
Boise.RM2,760 per passenger.Departing Thu, 29 Oct.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 29 Oct, arriving in Boise.Price includes taxes and charges.From RM2,760, select.
Boise.RM2,764 per passenger.Departing Sun, 1 Nov.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Sun, 1 Nov, arriving in Boise.Price includes taxes and charges.From RM2,764, select.
Boise.RM2,807 per passenger.Departing Fri, 11 Dec.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Fri, 11 Dec, arriving in Boise.Price includes taxes and charges.From RM2,807, select.
Boise.RM2,988 per passenger.Departing Tue, 7 Jul.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Heathrow on Tue, 7 Jul, arriving in Boise.Price includes taxes and charges.From RM2,988, select.
Boise.RM3,266 per passenger.Departing Sun, 28 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from London Heathrow on Sun, 28 Jun, arriving in Boise.Price includes taxes and charges.From RM3,266, select.

Find the cheapest month to fly from London Heathrow to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Boise flights are currently cheapest in August.
May
Find prices
Jun
from RM3,266
Jul
from RM2,988
Aug
from RM2,352
Sep
from RM2,663
Oct
from RM2,760
Nov
from RM2,764
Dec
from RM2,807
Jan
Find prices
Feb
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Mar
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Apr
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London Heathrow to Boise: Alternative routes

Compare routes from London Heathrow to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Boise

5km from central Boise
ClosestCheapest
from RM2,352
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London to Boise: Flight information

The things to know before you go.
Cheapest flight foundRM2,352
Cheapest month to flyAugust

Finding cheap flights from London Heathrow to Boise: Frequently asked questions

The best price we found for a return flight from London Heathrow to Boise is RM3,497. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Heathrow to Boise. But we found flights with one or more stops from RM3,497.
As of May 2026, there are no flights flying from London Heathrow to Boise.
The cheapest month to fly from London Heathrow to Boise is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Boise Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between London Heathrow Airport and Boise Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to Boise.

Travelling from London Heathrow Airport (LHR) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

  • Arrive at the airport on time so you don't miss your LHR to BOI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You can expect longer lines during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

  • Think about adding a stopover when booking your ticket from London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport. Simply uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between LHR and BOI:

    • Seattle-Tacoma International Airport

    • Denver International Airport

    • Salt Lake City International Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Boise Air Terminal (Gowen Field) Airport (BOI)

  • RM2,352 is the best price for a one-way London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport flight. A return flight starts from RM3,497. These prices can change depending on demand and availability.

  • It's usually best to book ahead of time if you want to find cheap tickets from LHR to BOI. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest flights from London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport across each month. It's an easy way to find a bargain if your travel plans aren't set in stone.

  • Save time looking for cheap flights from LHR to BOI by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

  • Find the right flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • When it comes to London Heathrow Airport's on-time performance, data shows 68.18% of flights meet their scheduled arrival time.

  • Central London to London Heathrow Airport is approximately 31 kilometres. Depending on traffic, it'll take you about 55 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The trip on public transport usually takes 1 hour.

  • Searching for a handy hotel close to LHR? If you've booked an early flight from London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport, these accommodation options will put you moments from your departure gate:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

  • If you have a late London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport flight, few things top the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and sleeping shortly after at one of these accommodation options near BOI:

  • Get your adventure underway by picking up a Boise Air Terminal (Gowen Field) Airport rental car. Grab a set of wheels from Budget, Alamo or Avis and explore beyond Boise's main sights.

  • Lock in the best rate by reserving your vehicle from Boise Air Terminal (Gowen Field) Airport about one week before your trip.

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • BOI is located at 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport is roughly 18 kilometres from central Boise. The drive time takes about 20 minutes.

  • Getting to the centre on public transport will take you roughly 1 hour 35 minutes.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • July is the most popular month for flights from London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport. To steer clear of the crowds, go to Boise in May.

  • When booking your flight from London Heathrow Airport to Boise Air Terminal (Gowen Field) Airport, think about the kind of weather you enjoy. July is the warmest month in Boise, with temperatures ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • Look for cheap tickets from LHR to BOI in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -11ºC (12ºF) and 5ºC (41ºF) on average.

Explore more of United States

  • You've visited Boise, now it's time to discover more of United States. Travel about 467 kilometres north to Spokane to tick off its top attractions. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, your itinerary will be busy.

  • Around 483 kilometres south-east of Boise, Salt Lake City is another essential stop in United States. Experience major highlights starting with Temple Square, Utah State Capitol and Red Butte Garden.

Plan the rest of your trip from London to Boise

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.