£246 Cheap Flights from Boise (BOI) to London (LHR)

View £246 flight on Sat, 5 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £246 for one-way flights and £660 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£660 Return, found 5 days ago
£660
Return
found 5 days ago
Select Air France flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £660 found 5 days ago
KLM
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£675 Return, found 5 days ago
£675
Return
found 5 days ago
Select KLM flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £675 found 5 days ago
Virgin Atlantic
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£675 Return, found 5 days ago
£675
Return
found 5 days ago
Select Virgin Atlantic flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £675 found 5 days ago
American Airlines
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£675 Return, found 5 days ago
£675
Return
found 5 days ago
Select American Airlines flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £675 found 5 days ago
Delta
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£694 Return, found 5 days ago
£694
Return
found 5 days ago
Select Delta flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £694 found 5 days ago
Virgin Atlantic
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£697 Return, found 5 days ago
£697
Return
found 5 days ago
Select Virgin Atlantic flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £697 found 5 days ago
American Airlines
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£698 Return, found 5 days ago
£698
Return
found 5 days ago
Select American Airlines flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £698 found 5 days ago
Delta
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£700 Return, found 5 days ago
£700
Return
found 5 days ago
Select Delta flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £700 found 5 days ago
Delta
Mon, 2 Nov - Thu, 12 Nov
BOI
Boise
LHR
London
£701 Return, found 5 days ago
£701
Return
found 5 days ago
Select Delta flight, departing Mon, 2 Nov from Boise to London, returning Thu, 12 Nov, priced at £701 found 5 days ago
Scandinavian Airlines
Fri, 18 Sept - Sat, 3 Oct
BOI
Boise
LHR
London
£702 Return, found 7 hours ago
£702
Return
found 7 hours ago
Select Scandinavian Airlines flight, departing Fri, 18 Sept from Boise to London, returning Sat, 3 Oct, priced at £702 found 7 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from £921
LHR
Heathrow
Cheapest
Average driving time to city centre28 min
Flights from £921

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

September is typically the cheapest month to fly

From £550 - £982 per traveller.

Frequently asked questions

How much is a flight from Boise Airport to London Heathrow?
The lowest price advertised for a round-trip flight between Boise Airport and Heathrow Airport is £660. But you better act fast. This figure is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOI to LHR?
Each airline has a different set of terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.
How do I find cheap flights from Boise Airport to Heathrow Airport (LHR) 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 Boise Airport to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Boise Airport (BOI) to London Heathrow?
With around 7,800 kilometres separating Boise and Hounslow, your flight will be a long one. Pack wisely to make your journey comfortable. Things like warm clothes and a good neck pillow can make a big difference.
Which airlines fly direct from Boise Airport (BOI) to LHR?
Right now, no airlines offer flights directly from Boise Airport to Heathrow Airport. You'll have to book a flight with one or more stops. To get the best price and connections, lock in your fare ahead of time.
Are BOI to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Boise Airport to London Heathrow can be hit-or-miss. You may be able to score a bargain, but you could also miss out completely! If you'd prefer to play it safe and start planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines issue their prices so far in advance. Our top tip? Check back often as updates are made regularly.

Travel information

Origin airport
Boise
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, Alaska Airlines, British Airways, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Virgin Atlantic
Return price
£659
Distance
7731 km

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