$334+ Cheap flights from Boise (BOI) to Heathrow (LHR)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to HeathrowExplore the most affordable flight options available from Boise to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
Explore the most affordable flight options available from Boise to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:20 am
BOI
- LHR
1 stop21h 55m
United Airlines
Thu 11/126:50 am
LHR
- BOI
2 stops23h 16m
United Airlines
Deal found 5/12![United Airlines logo]()
$748
This Virgin Atlantic deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:02 pm
BOI
- LHR
1 stop16h 13m
Virgin Atlantic
Thu 8/276:30 am
LHR
- BOI
2 stops18h 22m
Virgin Atlantic
Deal found 5/14![Virgin Atlantic logo]()
$878
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:25 pm
BOI
- LHR
1 stop14h 40m
Delta
Wed 10/76:30 am
LHR
- BOI
2 stops19h 03m
Delta
Deal found 5/12![Delta logo]()
$879
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am
BOI
- LHR
2 stops18h 30m
Multiple Airlines
Tue 10/207:25 am
LHR
- BOI
2 stops21h 06m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$882
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:42 pm
BOI
- LHR
2 stops21h 58m
Scandinavian Airlines
Mon 9/287:50 pm
LHR
- BOI
3 stops29h 45m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$886
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:37 am
BOI
- LHR
1 stop18h 58m
United Airlines
Fri 10/99:30 am
LHR
- BOI
2 stops45h 22m
United Airlines
Deal found 5/13![United Airlines logo]()
$888
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:21 pm
BOI
- LHR
1 stop12h 59m
Alaska Airlines
Thu 11/122:45 pm
LHR
- BOI
1 stop16h 06m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$889
Best flights from Boise to HeathrowDiscover carefully curated flight deals from Boise to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
Discover carefully curated flight deals from Boise to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:45 am
BOI
- LHR
1 stop16h 30m
United Airlines
Thu 11/126:50 am
LHR
- BOI
2 stops23h 16m
United Airlines
Deal found 5/15![United Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:12 am
BOI
- LHR
2 stops18h 53m
Delta
Thu 8/206:30 am
LHR
- BOI
2 stops19h 18m
Delta
Deal found 5/11![Delta logo]()
$883
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:42 pm
BOI
- LHR
2 stops21h 58m
Scandinavian Airlines
Mon 9/287:50 pm
LHR
- BOI
3 stops29h 45m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$886
This KLM deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:05 pm
BOI
- LHR
1 stop16h 30m
KLM
Mon 9/282:30 pm
LHR
- BOI
1 stop15h 34m
KLM
Deal found 5/11![KLM logo]()
$958
This Scandinavian Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:42 pm
BOI
- LHR
2 stops20h 18m
Scandinavian Airlines
Fri 10/27:50 pm
LHR
- BOI
3 stops29h 45m
Scandinavian Airlines
Deal found 5/12![Scandinavian Airlines logo]()
$917
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:43 pm
BOI
- LHR
1 stop16h 32m
KLM
Fri 10/211:40 am
LHR
- BOI
1 stop13h 55m
KLM
Deal found 5/12![KLM logo]()
$958
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:53 pm
BOI
- LHR
1 stop12h 42m
Delta
Wed 7/156:30 am
LHR
- BOI
2 stops19h 16m
Delta
Deal found 5/13![Delta logo]()
$1,087
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:41 pm
BOI
- LHR
1 stop11h 59m
United Airlines
Mon 8/1011:25 am
LHR
- BOI
2 stops17h 15m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,142
This KLM deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/53:05 pm
BOI
- LHR
1 stop17h 30m
KLM
Sat 7/1812:25 pm
LHR
- BOI
1 stop15h 37m
KLM
Deal found 5/14![KLM logo]()
$1,185
Last-minute flights from Boise to HeathrowDiscover last-minute flight deals from Boise to Heathrow. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heathrow. Data last updated May 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:53 pm
BOI
- LHR
1 stop16h 22m
Delta
Fri 5/2211:45 am
LHR
- BOI
2 stops19h 10m
Delta
Deal found 5/14![Delta logo]()
$1,196
This Travelocity deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:23 am
BOI
- LHR
2 stops22h 27m
Multiple Airlines
Fri 5/226:55 am
LHR
- BOI
2 stops18h 01m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,197
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:56 am
BOI
- LHR
1 stop23h 39m
Delta
Tue 6/29:55 am
LHR
- BOI
2 stops17h 37m
Delta
Deal found 5/13![Delta logo]()
$1,137
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:30 am
BOI
- LHR
1 stop20h 10m
United Airlines
Tue 6/22:05 pm
LHR
- BOI
2 stops34h 51m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,146
This KLM deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:14 pm
BOI
- LHR
1 stop17h 21m
KLM
Tue 6/212:25 pm
LHR
- BOI
1 stop18h 21m
KLM
Deal found 5/13![KLM logo]()
$1,166
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:02 am
BOI
- LHR
1 stop19h 08m
United Airlines
Mon 6/16:55 am
LHR
- BOI
2 stops18h 01m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,198
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:15 pm
BOI
- LHR
2 stops23h 15m
Scandinavian Airlines
Tue 7/217:05 am
LHR
- BOI
3 stops22h 23m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$1,176
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:00 am
BOI
- LHR
1 stop20h 10m
United Airlines
Wed 6/177:30 am
LHR
- BOI
2 stops21h 35m
United Airlines
Deal found 5/11![United Airlines logo]()
$1,188
One-way flights from Boise to HeathrowSearch for one-way flight options from Boise to Heathrow. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
Search for one-way flight options from Boise to Heathrow. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:35 am
BOI
- LHR
2 stops15h 45m
Delta
Deal found 5/13![Delta logo]()
$334
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:05 pm
BOI
- LHR
2 stops28h 25m
Air Canada
Deal found 5/15![Air Canada logo]()
$338
This Air Canada deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:37 am
BOI
- LHR
3 stops18h 13m
Air Canada
Deal found 5/13![Air Canada logo]()
$343
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:05 pm
BOI
- LHR
1 stop29h 20m
United Airlines
Deal found 5/15![United Airlines logo]()
$345
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:45 pm
BOI
- LHR
1 stop17h 50m
KLM
Deal found 5/12![KLM logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:40 pm
BOI
- LHR
1 stop11h 55m
United Airlines
Deal found 5/13![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:40 pm
BOI
- LHR
2 stops29h 50m
United Airlines
Deal found 5/11![United Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:51 pm
BOI
- LHR
3 stops53h 44m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$638
This Expedia deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:07 pm
BOI
- LHR
1 stop13h 58m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:13 pm
BOI
- LHR
3 stops42h 52m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$652
Find flight deals from Boise to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $748 (United Airlines) |
One-way from | $334 (Delta) |
Popular in | June |
Cheapest in | August |
Average price | $1,046 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 2026.
Use the filters below to find and compare flights from Boise to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Tue 11/10
11:45 am-11:15 am
1 stop16h 30m
London Heathrow
Thu 11/12
6:50 am-11:06 pm
2 stops23h 16m
$748
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Mon 8/10
11:12 am-1:05 pm
2 stops18h 53m
London Heathrow
Thu 8/20
6:30 am-6:48 pm
2 stops19h 18m
$883
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Tue 9/15
12:42 pm-5:40 pm
2 stops21h 58m
London Heathrow
Mon 9/28
7:50 pm-6:35 pm
3 stops29h 45m
$886
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Fri 9/25
12:42 pm-4:00 pm
2 stops20h 18m
London Heathrow
Fri 10/2
7:50 pm-6:35 pm
3 stops29h 45m
$917
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Tue 9/15
4:05 pm-3:35 pm
1 stop16h 30m
London Heathrow
Mon 9/28
2:30 pm-11:04 pm
1 stop15h 34m
$958
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Fri 9/25
1:43 pm-1:15 pm
1 stop16h 32m
London Heathrow
Fri 10/2
11:40 am-6:35 pm
1 stop13h 55m
$958
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Sun 7/5
7:53 pm-3:35 pm
1 stop12h 42m
London Heathrow
Wed 7/15
6:30 am-6:46 pm
2 stops19h 16m
$1,087
Quickest round-trip
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Wed 8/5
2:41 pm-9:40 am
1 stop11h 59m
London Heathrow
Mon 8/10
11:25 am-9:40 pm
2 stops17h 15m
$1,142
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Sun 7/5
3:05 pm-3:35 pm
1 stop17h 30m
London Heathrow
Sat 7/18
12:25 pm-9:02 pm
1 stop15h 37m
$1,185
Cheapest one-way
BoiseLondon
BOI - LHR
BOILHR
Boise Air Term. Gowen Fld
Tue 9/15
11:35 am-11:00 am
1 stop16h 25m
$334
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Boise to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Heathrow in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boise-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boise-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Boise with our price prediction graph.
BOI-LHR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to London Heathrow Airport
What is the cheapest month to book a flight from Boise to London Heathrow Airport?
Currently, August is the cheapest month in which you can book a flight from Boise to London Heathrow Airport (average of $797). Flying from Boise to London Heathrow Airport in June is currently the most expensive (average of $1,521). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Boise to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated May 16, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andVirgin Atlantic from Boise to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Boise to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2026.
Boise and Heathrow flights
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Other flights from Boise
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Top 3 airlines flying from Boise to Heathrow
Discover the top 3 airlines that operate flights from Boise to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$600 | Average$974 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$639 | Average$865 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$678 | Average$900 | FlexibilityNo cancel fee | On-timeN/A |