Cheap Flights from London (LHR) to Boise (BOI)

View AU$1,745 flight on Wed, 3 Sep. 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Boise Airport (BOI)

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Cheap Flights from London (LHR) to Boise (BOI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from London (LHR) to Boise (BOI)

October is typically the cheapest month to fly

From AU$1,045 - AU$2,407 per traveller.

Graph displaying average flight prices per month

Flight from London to Boise route information
Origin airport
Heathrow
Destination airport
Boise
Distance
7731 km

Your quick guide to flights from London to Boise

Pick up great flights from London to Boise

With Expedia, you have your pick of flights a day with 8 airlines covering flights from London to Boise. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to Boise that take around hours.

Find cheap flights from London to Boise

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to Boise around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Boise is normally in .

Reasons to book your flight from London to Boise with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to Boise across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Boise right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to BOI?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from LHR to Boise Airport (BOI) was . Cheap fares don't hang around, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to BOI?
The majority of flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from LHR to Boise Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Boise Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to Boise Airport?
The distance is around 7 800 kilometres. Travel pillow? Check. A change of clothes? Double check. You'll need to pack all the travel comforts for this long-haul Hounslow to Boise flight.
Which airlines fly direct from Heathrow Airport (LHR) to BOI?
At present, no airlines offer direct flights from Heathrow Airport (LHR) to Boise Airport. You'll have to book a flight with at least one stop. To get the best price and connections, lock in your airfare well ahead of time.
Are Heathrow Airport to BOI flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute deals between Heathrow Airport and BOI are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines advertise their prices up to 12 months before the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to grab your seat when the price is right.

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