LHR - BOI

$619 Find Cheap Flights from London to Boise - Compare and Save

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Everything you should know

Cheapest round-trip
$869
Typical prices: $927-$1,302
Scandinavian Airlines
Fri 11/9Wed 11/14
LHR - BOI • 2 stops
Cheapest one-way
$619
Typical prices: $743-$985
Multiple Airlines
Fri 12/14
LHR - BOI • 3 stops
Nonstop flights
Not available
There are currently no direct flights between London Heathrow Airport and Boise. You'll need to take a connecting flight to reach the destination.
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Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 23% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Los Angeles (LAX)
Cheapest • Avg $898 (round-trip)
Denver Intl (DEN)
Shortest trip • 12h 52m (one-way)
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Insights
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We hope you love your trip to Boise!
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Flight Deals

Cheap Flights from London to Boise (LHR-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Boise

Mon, Nov 9 - Sat, Nov 14
Scandinavian Airlines Logo
6:40 am - 10:52 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
23h 12m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
4:10 pm - 6:30 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
19h 20m2 stops Los Angeles Kastrup Copenhagen
$869Scandinavian Airlines
Tue, Jan 5 - Tue, Jan 12
United Airlines Logo
6:00 pm - 2:52 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
27h 52m2 stops Toronto Pearson Intl San Francisco
United Airlines Logo
4:10 pm - 5:55 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
30h 45m2 stops San Francisco Chicago O'Hare Intl
$937United Airlines
Fri, Dec 11 - Thu, Dec 24
Alaska Airlines Logo
2:45 pm - 2:19 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
30h 34m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:12 pm - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
15h 08m1 stop Seattle/Tacoma Intl
$964Alaska Airlines
Thu, Feb 4 - Fri, Feb 12
Multiple Airlines Logo
6:30 am - 4:20 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
16h 50m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
Multiple Airlines Logo
2:00 pm - 10:40 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
13h 40m1 stop Seattle/Tacoma Intl
$965Multiple Airlines
Thu, Feb 4 - Fri, Feb 12
Alaska Airlines Logo
2:45 pm - 2:20 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
30h 35m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:00 pm - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
17h 20m1 stop Seattle/Tacoma Intl
$968Alaska Airlines
Mon, Nov 23 - Sun, Dec 6
Alaska Airlines Logo
2:45 pm - 9:44 amLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
25h 59m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:45 pm - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
33h 35m1 stop Seattle/Tacoma Intl
$969Alaska Airlines
Mon, Nov 23 - Sun, Dec 6
Lufthansa Logo
6:30 am - 6:03 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
18h 33m2 stops Frankfurt am Main Denver Intl
Lufthansa Logo
8:15 am - 11:20 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
20h 05m2 stops San Francisco Toronto Pearson Intl
$980Lufthansa
Thu, Feb 4 - Fri, Feb 12
United Airlines Logo
7:30 am - 6:09 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
17h 39m2 stops Frankfurt am Main Denver Intl
United Airlines Logo
4:08 pm - 7:10 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
32h 02m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl
$982United Airlines
Fri, Nov 27 - Fri, Dec 4
United Airlines Logo
1:45 pm - 9:15 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
14h 30m1 stop San Francisco
United Airlines Logo
6:10 am - 12:00 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
22h 50m2 stops San Francisco Chicago O'Hare Intl
$994United Airlines
Mon, Nov 9 - Thu, Nov 12
Alaska Airlines Logo
2:45 pm - 10:20 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
14h 35m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:49 am - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
18h 31m1 stop Seattle/Tacoma Intl
$997Alaska Airlines
Booking Insights

Price, demand and travel trends for London Heathrow Airport to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from London Heathrow Airport to Boise?

Round-trip flights from London Heathrow Airport to Boise typically range from $927 to $1,302. The lowest price found in the past 5 days was $869, on Scandinavian Airlines.

What's the cheapest day of the week to fly from London Heathrow Airport to Boise?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from London Heathrow Airport to Boise. It’s 11% cheaper than the average day, while Saturday is the most expensive, with prices 18% higher.

What’s the cheapest month to fly from London Heathrow Airport to Boise?

•April is the cheapest month to fly from London Heathrow Airport to Boise at $843 round-trip.
•December ($1,552) and August ($1,526) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 84% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London Heathrow Airport to Boise the cheapest?

Flights from London Heathrow Airport to Boise are cheapest 17 weeks before departure. Booking in this window typically costs about 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for London Heathrow Airport to Boise flights

Low season

January

Cheapest flight

$619
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 65% increase in travelers.
One-way flight from London Heathrow Airport to Boise

When to book flights from London to Boise

Are your dates flexible? Find out the best times to travel from London to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London Heathrow Airport to Boise flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from London Heathrow Airport to Boise?

    Two cabin classes are available on flights from London Heathrow Airport to Boise:

    • Economy Class
    • Business Class

  • How long is a flight from London Heathrow Airport to Boise?

    A nonstop flight from London Heathrow Airport to Boise takes 00m, covering 4,829 miles.

  • Do I need a passport to fly from London Heathrow Airport to Boise?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London Heathrow Airport to Boise flight?

    Round-trip flights from London Heathrow Airport to Boise range from $927 to $1,302, with an average of $1,097 over the past 12 months. Anything below $927 counts as a good deal.

  • How expensive are last-minute London Heathrow Airport to Boise flights?

    Last-minute fares on this route (booked within two weeks of departure) run 30% above the $1,097 route average. Book 17 weeks before departure for the lowest fares.

  • How are flight prices from London Heathrow Airport to Boise looking right now?

    One-way fares from London Heathrow Airport to Boise are currently lower than usual. Average one-way flight prices are about $679, which is 21% below the typical average for this route.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates averaging $84 for economy cars. Top options include:

    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from London Heathrow Airport to Boise?

    Flights from London Heathrow Airport to Boise usually depart from London Heathrow (LHR) and arrive at Boise Air Term. Gowen Fld (BOI).

  • Which airports do connecting flights from London Heathrow Airport to Boise pass through?

    One-stop flights from London Heathrow Airport to Boise most commonly connect through:

    • Denver Intl (DEN) - 50% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 43% of one-stop connections
    • San Francisco (SFO) - 4% of one-stop connections
    • Los Angeles (LAX) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Boise?

    Yes. Flexible dates can save you up to 25% on flights from London Heathrow Airport to Boise. Monday is the cheapest departure day at $983 round-trip on average, while Saturday is the most expensive at $1,302, a difference of $319.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from London Heathrow Airport to Boise?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 12h 52m, compared with 13h 46m via Seattle/Tacoma Intl (SEA) and 14h 14m via Salt Lake City (SLC).

  • What is the time difference between London Heathrow Airport and Boise?

    Boise is 6 hours behind London Heathrow Airport (Mountain Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking London Heathrow Airport to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Saturday. On this route, Monday flights average $983, about $319 less than Saturday fares (25% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 49% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Boise trip for April. Fares historically average $843 round-trip in that month - typically $709 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Comfort Suites Airport

More options for your flight from London to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
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