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Keflavik Intl

$883+ Cheap flights from Billings (BIL) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — KEF
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Billings to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Keflavik Intl (KEF). 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 September 14, 2025.

Round-trip from

$883
(Trip.com)
From Billings Logan Intl to Reykjavik Keflavik Intl
Search Deals

Find flight deals from Billings to Keflavik Intl

Cheapest flights from Billings to Keflavik Intl
Explore the most affordable flight options available from Billings to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:00 amBIL - KEF
1 stop18h 15mMultiple Airlines
Mon 11/35:00 pmKEF - BIL
1 stop14h 07mMultiple Airlines
Deal found 9/12$883
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:20 pmBIL - KEF
2 stops40h 30mAmerican Airlines
Mon 11/311:50 amKEF - BIL
2 stops32h 40mAmerican Airlines
Deal found 9/12$935
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/265:00 amBIL - KEF
2 stops21h 15mUnited Airlines
Tue 9/309:50 amKEF - BIL
2 stops31h 26mUnited Airlines
Deal found 9/11$945
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:00 amBIL - KEF
2 stops18h 15mAlaska Airlines
Mon 11/34:50 pmKEF - BIL
1 stop27h 30mAlaska Airlines
Deal found 9/12$1,072
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 9/266:19 pmBIL - KEF
2 stops30h 01mDelta
Tue 9/3011:25 amKEF - BIL
2 stops17h 10mDelta
Deal found 9/13$1,274
This Lufthansa deal was found by Cheapflights users on 9/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:30 pmBIL - KEF
2 stops27h 05mLufthansa
Mon 9/2912:25 amKEF - BIL
2 stops26h 24mLufthansa
Deal found 9/11$1,713

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Keflavik Intl 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 September 14, 2025.
Use the filters below to find and compare flights from Billings to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Billings

Fly to

Keflavik Intl

Route

Depart

Return

Price

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Mon 10/27

6:00 am-6:15 am

1 stop18h 15m

Reykjavik Keflavik Intl

Mon 11/3

5:00 pm-12:07 am

1 stop14h 07m

$883

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Mon 10/27

12:20 pm-10:50 am

2 stops40h 30m

Reykjavik Keflavik Intl

Mon 11/3

11:50 am-1:30 pm

2 stops32h 40m

$935

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Fri 9/26

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Tue 9/30

9:50 am-11:16 am

2 stops31h 26m

$945

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Mon 10/27

6:00 am-6:15 am

2 stops18h 15m

Reykjavik Keflavik Intl

Mon 11/3

4:50 pm-1:20 pm

1 stop27h 30m

$1,072

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Fri 9/26

6:19 pm-6:20 am

2 stops30h 01m

Reykjavik Keflavik Intl

Tue 9/30

11:25 am-10:35 pm

2 stops17h 10m

$1,274

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Fri 9/26

2:30 pm-11:35 pm

2 stops27h 05m

Reykjavik Keflavik Intl

Mon 9/29

12:25 am-8:49 pm

2 stops26h 24m

$1,713

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Billings to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Billings with our price prediction graph.
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.

Related info for your journey

Find useful and relevant information for your journey from Billings to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Billings to Reykjavik Keflavik Intl?

    Billings Logan Intl (BIL) is the airport you will fly out of if you book a flight from Billings to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from Billings Logan Intl; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Billings airport to Reykjavik Keflavik Intl. It is only a 2.7 mi journey to Billings Logan Intl (BIL) from Billings’s city center.

  • How long is the flight from Billings to Reykjavik Keflavik Intl Airport?

    Airlines like American Airlines, United Airlines, and Alaska Airlines fly from Billings to Reykjavik Keflavik Intl Airport in about 18h 15m. The time it takes to get you to your destination can typically vary by up to 22h 15m. Billings and Reykjavik Keflavik Intl Airport are separated by a distance of 3331 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Billings to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Billings to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Keflavik Intl.

  • Can I find deals for business class flights from Billings to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Billings to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Billings to Reykjavik Keflavik Intl Airport (average of $328). Flying from Billings to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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