Cheap flights from Boise to London Heathrow

Q: What are the cheapest airlines?

Delta Air Lines, Icelandair, KLM, Virgin Atlantic. These airlines usually offer the cheapest flights from Boise to London Heathrow.

Q: What airlines fly indirectly?

Delta Air Lines, KLM, Virgin Atlantic, Icelandair, Alaska Airlines. These airlines fly from Boise to London Heathrow, but you’ll have at least one layover.

Q: How long is the flight?

11 hrs 35 mins. This is the shortest flight time from Boise to London Heathrow.

from as little as £883

4 nights in London, departing Boise on 07 / Feb / 2025 with Virgin Atlantic (price found 31 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Boise to London Heathrow

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The Boise / London Heathrow route

All 7783 km of it

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London Heathrow flight facts

What you need to know

What are the cheapest airlines?

Delta Air Lines
Icelandair
KLM
Virgin Atlantic

These airlines usually offer the cheapest flights from Boise to London Heathrow.

What airlines fly indirectly?

Delta Air Lines
KLM
Virgin Atlantic
Icelandair
Alaska Airlines

These airlines fly from Boise to London Heathrow, but you’ll have at least one layover.

How long is the flight?

11 hrs 35 mins

This is the shortest flight time from Boise to London Heathrow.

Alternative flights from the UK to London Heathrow

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Boise to London City Airport

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Boise to London Gatwick

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07 / Feb / 2025 is currently the lowest priced day of the year to fly the Boise/London Heathrow route. There are around 20 flights on any given week from the UK to London Heathrow and the cheapest month to fly right now is February.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

2 °C

AVG

11 °C

HIGHEST

24 °C

Rainfall (mm)

LOWEST

38.1 mm

AVG

52.5 mm

HIGHEST

66 mm

Key facts about London Heathrow

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Boise to London Heathrow

Tips and advice from our flight experts

If you want a cheap flight from Boise to London, you've got six airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 07 / Feb / 2025.

Make sure you use the search options above to search for flights to other airports in London, not just London Heathrow. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 15 hrs 5 mins.

There are about 20 flights to or via London every week, so you have plenty of options. Keep your eye out for flights with Delta Air Lines, KLM and Virgin Atlantic – these are the most popular airlines for flying to .

If you're planning on going to London during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.