$749 Cheap British Airways flights Boise (BOI) to Reykjavik (KEF)

View $749 flight on Tue, Oct 14, 2025Opens in a new window

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$749 Cheap British Airways flights Boise (BOI) to Reykjavik (KEF)

Prices were available within the past 7 days and start at $749 for one-way flights and $834 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Apr 14 - Tue, Apr 21
BOI
Boise
KEF
Reykjavik
$834 Roundtrip, found 10 hours ago
$834
Roundtrip
found 10 hours ago
Select British Airways flight, departing Tue, Apr 14 from Boise to Reykjavik, returning Tue, Apr 21, priced at $834 found 10 hours ago
Flights from Boise (BOI) to Reykjavik (KEF)
Origin airport
Boise
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Popular airline
Icelandair
Distance
3673 mi

Frequently asked questions

How much is a British Airways flight from Boise Airport (BOI) to Keflavik Intl. Airport (KEF)?
Landing cheap one-way British Airways flights from BOI to KEF from $749 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $834 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOI to KEF with British Airways?
January is one of the most affordable months to jet off to Reykjavik with British Airways. You could also find fantastic deals on one-way and round-trip fares in April.
What is the cheapest time to book flights from Boise Airport (BOI) to Keflavik Intl. Airport (KEF) with British Airways?
Search for British Airways flights from BOI to KEF about one month before you want to go. The most affordable time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Boise Airport (BOI) to Keflavik Intl. Airport (KEF)?
Use the "Nonstop" filter when browsing for direct British Airways flights from BOI to KEF. You can also compare other airlines offering the same direct route.
What is the earliest British Airways flight from BOI to KEF?
Sort your results by "Early Morning" and "Morning" to find the earliest departures from BOI to KEF. Setting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Reykjavik?
British Airways flights from Boise Airport (BOI) to Reykjavik arrive at Keflavik Intl. Airport (KEF). This is the main gateway to this city.
What kind of luggage can I take on a British Airways flight from Boise Airport (BOI) to Keflavik Intl. Airport (KEF)?
For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also travel with 2 cabin bags in the cabin when flying standard economy from BOI to KEF with British Airways. This carry-on should weigh less than 50 lb and be no larger than 19 inches x 9 inches x 17 inches. Exceeding these limits can mean additional fees, so check British Airways's baggage allowance rules before you pack.
Why fly with British Airways from BOI to KEF?
British Airways makes traveling from BOI to KEF enjoyable with an excellent in-flight experience and top-tier customer service. You could even start collecting points with British Airways Executive Club. Don't forget to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Boise Airport (BOI) to Keflavik Intl. Airport (KEF)?
Depending on your ticket type, a fee will generally apply if you modify or cancel your flight more than 24 hours after it's confirmed. To secure tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when searching for flights. To learn more about modifying or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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