$408 Cheap Flights from Billings (BIL) to Reykjavik (KEF)

View $408 flight on Wed, Jan 28, 2026Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap Flights from Billings to Reykjavik (BIL-KEF)

Prices were available within the past 7 days and start at $408 for one-way flights and $640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Jan 28 - Tue, Feb 17
BIL
Billings
KEF
Reykjavik
$640 Roundtrip, found 2 days ago
$640
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Jan 28 from Billings to Reykjavik, returning Tue, Feb 17, priced at $640 found 2 days ago
United
Wed, Jan 28 - Thu, Feb 26
BIL
Billings
KEF
Reykjavik
$693 Roundtrip, found 2 days ago
$693
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 28 from Billings to Reykjavik, returning Thu, Feb 26, priced at $693 found 2 days ago
United
Wed, Jan 28 - Thu, Feb 26
BIL
Billings
KEF
Reykjavik
$694 Roundtrip, found 2 days ago
$694
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 28 from Billings to Reykjavik, returning Thu, Feb 26, priced at $694 found 2 days ago
Delta
Sun, Apr 12 - Wed, Apr 29
BIL
Billings
KEF
Reykjavik
$712 Roundtrip, found 1 hour ago
$712
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Apr 12 from Billings to Reykjavik, returning Wed, Apr 29, priced at $712 found 1 hour ago
Lufthansa
Wed, Jan 28 - Tue, Feb 24
BIL
Billings
KEF
Reykjavik
$715 Roundtrip, found 2 days ago
$715
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Jan 28 from Billings to Reykjavik, returning Tue, Feb 24, priced at $715 found 2 days ago
Delta
Sat, Apr 11 - Wed, Apr 29
BIL
Billings
KEF
Reykjavik
$726 Roundtrip, found 1 hour ago
$726
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Apr 11 from Billings to Reykjavik, returning Wed, Apr 29, priced at $726 found 1 hour ago
Lufthansa
Wed, Jan 28 - Sun, Feb 15
BIL
Billings
KEF
Reykjavik
$730 Roundtrip, found 2 days ago
$730
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Jan 28 from Billings to Reykjavik, returning Sun, Feb 15, priced at $730 found 2 days ago
Lufthansa
Fri, Jan 30 - Tue, Feb 17
BIL
Billings
KEF
Reykjavik
$740 Roundtrip, found 2 days ago
$740
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Jan 30 from Billings to Reykjavik, returning Tue, Feb 17, priced at $740 found 2 days ago
Air Canada
Sun, Aug 23 - Tue, Sep 1
BIL
Billings
KEF
Reykjavik
$774 Roundtrip, found 4 days ago
$774
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Aug 23 from Billings to Reykjavik, returning Tue, Sep 1, priced at $774 found 4 days ago
Swiss International Air Lines
Wed, Aug 5 - Tue, Aug 18
BIL
Billings
KEF
Reykjavik
$793 Roundtrip, found 17 hours ago
$793
Roundtrip
found 17 hours ago
Select Swiss International Air Lines flight, departing Wed, Aug 5 from Billings to Reykjavik, returning Tue, Aug 18, priced at $793 found 17 hours ago

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $2,553
KEF
Keflavik Intl.
Cheapest
Average driving time to city center45 min
Flights from $2,553
Flights from Billings (BIL) to Reykjavik (KEF)
Origin airport
Logan Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$639
Distance
3332 mi

Billings to Reykjavik Flights

The cheapest times to fly from Billings to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Billings to Reykjavik are during the month of January. You can find some of the cheapest flights from Billings to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Reykjavik

Sunday is one of the best days to book for cheap flights from Billings to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Billings to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Billings to Reykjavik in 2026. You can also book with separate airlines for your outbound and return journeys, from $408 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Billings to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Billings to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF) cost?
Snag a cheap one-way flight from $408 or cheap return flight from $640 from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF)?
January is the most affordable month to fly from BIL to KEF. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from BIL to KEF. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF)?
There are no daily direct flights from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BIL to KEF?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF)?
To avoid potential delays on the Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF) last-minute?
Last-minute fares from BIL to KEF are generally more expensive. To lock in the best prices, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a BIL to KEF flight and hotel package?
Opting for a BIL to KEF flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Keflavik Intl. Airport (KEF)?
If you reserved your BIL to KEF flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.