$502 Cheap British Airways flights Ontario (ONT) to Reykjavik (KEF)

View $502 flight on Tue, Jan 13, 2026Opens in a new window

$502 Cheap British Airways flights Ontario (ONT) to Reykjavik (KEF)

Prices were available within the past 7 days and start at $502 for one-way flights and $619 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, Mar 14 - Wed, Mar 25
ONT
Ontario
KEF
Reykjavik
$619 Roundtrip, found 1 hour ago
$619
Roundtrip
found 1 hour ago
Select British Airways flight, departing Sat, Mar 14 from Ontario to Reykjavik, returning Wed, Mar 25, priced at $619 found 1 hour ago
British Airways
Sat, Mar 14 - Wed, Mar 25
ONT
Ontario
KEF
Reykjavik
$619 Roundtrip, found 1 hour ago
$619
Roundtrip
found 1 hour ago
Select British Airways flight, departing Sat, Mar 14 from Ontario to Reykjavik, returning Wed, Mar 25, priced at $619 found 1 hour ago
British Airways
Sat, Mar 14 - Wed, Mar 25
ONT
Ontario
KEF
Reykjavik
$641 Roundtrip, found 1 hour ago
$641
Roundtrip
found 1 hour ago
Select British Airways flight, departing Sat, Mar 14 from Ontario to Reykjavik, returning Wed, Mar 25, priced at $641 found 1 hour ago
British Airways
Tue, Nov 4 - Tue, Nov 11
ONT
Ontario
KEF
Reykjavik
$675 Roundtrip, found 2 hours ago
$675
Roundtrip
found 2 hours ago
Select British Airways flight, departing Tue, Nov 4 from Ontario to Reykjavik, returning Tue, Nov 11, priced at $675 found 2 hours ago
British Airways
Sat, Nov 8 - Sat, Nov 15
ONT
Ontario
KEF
Reykjavik
$702 Roundtrip, found 1 day ago
$702
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Nov 8 from Ontario to Reykjavik, returning Sat, Nov 15, priced at $702 found 1 day ago
British Airways
Sun, Feb 8 - Sat, Feb 14
ONT
Ontario
KEF
Reykjavik
$703 Roundtrip, found 5 hours ago
$703
Roundtrip
found 5 hours ago
Select British Airways flight, departing Sun, Feb 8 from Ontario to Reykjavik, returning Sat, Feb 14, priced at $703 found 5 hours ago
British Airways
Sat, Jan 17 - Tue, Jan 27
ONT
Ontario
KEF
Reykjavik
$704 Roundtrip, found 5 days ago
$704
Roundtrip
found 5 days ago
Select British Airways flight, departing Sat, Jan 17 from Ontario to Reykjavik, returning Tue, Jan 27, priced at $704 found 5 days ago
British Airways
Sat, Mar 14 - Wed, Mar 25
ONT
Ontario
KEF
Reykjavik
$715 Roundtrip, found 1 hour ago
$715
Roundtrip
found 1 hour ago
Select British Airways flight, departing Sat, Mar 14 from Ontario to Reykjavik, returning Wed, Mar 25, priced at $715 found 1 hour ago
British Airways
Sun, Feb 8 - Sat, Feb 14
ONT
Ontario
KEF
Reykjavik
$720 Roundtrip, found 5 hours ago
$720
Roundtrip
found 5 hours ago
Select British Airways flight, departing Sun, Feb 8 from Ontario to Reykjavik, returning Sat, Feb 14, priced at $720 found 5 hours ago
British Airways
Fri, Mar 13 - Tue, Mar 24
ONT
Ontario
KEF
Reykjavik
$721 Roundtrip, found 1 hour ago
$721
Roundtrip
found 1 hour ago
Select British Airways flight, departing Fri, Mar 13 from Ontario to Reykjavik, returning Tue, Mar 24, priced at $721 found 1 hour ago
Flights from Ontario (ONT) to Reykjavik (KEF)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta, KLM, United, Virgin Atlantic
Popular airline
British Airways
Distance
4272 mi

Frequently asked questions

How much is a British Airways flight from Los Angeles - Ontario Intl. Airport (ONT) to Keflavik Intl. Airport (KEF)?
Grab cheap return British Airways flights from $619 from ONT to KEF by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $502 for a one-way trip.**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 ONT 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 excellent prices on return and one-way tickets in April.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Keflavik Intl. Airport (KEF) with British Airways?
Start your search for British Airways flights from ONT to KEF about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of ticket type or itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save 17% on average 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 Los Angeles - Ontario Intl. Airport (ONT) to Keflavik Intl. Airport (KEF)?
Enter your dates, click search and check the "Nonstop" filter on Expedia to find any direct flights from ONT to KEF with British Airways or another carrier.
What is the earliest British Airways flight from ONT to KEF?
To find the earliest departure from ONT to KEF with British Airways, sort your results by "Morning" and "Early Morning." Choosing an early flight generally means you'll experience fewer cancellations.**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?
Keflavik Intl. Airport (KEF) is the primary Reykjavik hub for British Airways flights from Los Angeles - Ontario Intl. Airport (ONT).
What kind of luggage can I take on a British Airways flight from Los Angeles - Ontario Intl. Airport (ONT) to Keflavik Intl. Airport (KEF)?
On a standard economy flight with British Airways from ONT to KEF, you can bring 1 checked-in bag up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches in total. For carry-on, you're allowed 2 cabin bags weighing up to 50 lb and measuring less than 19 inches x 9 inches x 17 inches. Size and weight allowances can vary depending on the airfare type and cabin class you're in. To make sure you don't get caught with additional charges at the terminal, check your British Airways booking or visit the airline's website before you start packing.
Why fly with British Airways from ONT to KEF?
Jetting off from ONT to KEF with British Airways comes with a variety of perks, such as top-tier customer service and a 4-star airline rating. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the British Airways Executive Club points you can earn with British Airways.*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 Los Angeles - Ontario Intl. Airport (ONT) to Keflavik Intl. Airport (KEF)?
Depending on the ticket type you purchased, a fee may apply if you cancel or change your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when searching for flights. To learn more about changing or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.