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Keflavik Intl

$649+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — KEF
nov. 28 — déc. 51
ven. 11/28
ven. 12/5
1 adult, Economy
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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 octobre 29, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. 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.
lun. 12/86:00 amBIL - KEF
2 stops17h 15mMultiple Airlines
lun. 12/154:50 pmKEF - BIL
1 stop27h 32mMultiple Airlines
Deal found 10/29$649
This American Airlines deal was found by Cheapflights users on 10/29. 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.
lun. 12/81:58 pmBIL - KEF
2 stops37h 52mAmerican Airlines
lun. 12/1511:50 amKEF - BIL
2 stops32h 38mAmerican Airlines
Deal found 10/29$941
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/206:00 amBIL - KEF
1 stop17h 15mIcelandair
jeu. 11/275:00 pmKEF - BIL
1 stop24h 57mIcelandair
Deal found 10/27$1,541
This British Airways deal was found by Cheapflights users on 10/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/202:00 pmBIL - KEF
2 stops37h 55mBritish Airways
jeu. 11/2711:45 amKEF - BIL
2 stops43h 43mBritish Airways
Deal found 10/27$2,095

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 octobre 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,541
(oojo)
Provider with most accurate pricing for Billings Logan Intl-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-Reykjavik Keflavik Intl flights.
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From Billings Logan Intl to Reykjavik Keflavik Intl
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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 octobre 29, 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

lun. 12/8

6:00 am-6:15 am

2 stops17h 15m

Reykjavik Keflavik Intl

lun. 12/15

4:50 pm-1:22 pm

1 stop27h 32m

$649

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

lun. 12/8

1:58 pm-10:50 am

2 stops37h 52m

Reykjavik Keflavik Intl

lun. 12/15

11:50 am-1:28 pm

2 stops32h 38m

$941

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

jeu. 11/20

6:00 am-6:15 am

1 stop17h 15m

Reykjavik Keflavik Intl

jeu. 11/27

5:00 pm-10:57 am

1 stop24h 57m

$1,541

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

jeu. 11/20

2:00 pm-10:55 am

2 stops37h 55m

Reykjavik Keflavik Intl

jeu. 11/27

11:45 am-12:28 am

2 stops43h 43m

$2,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

  • Most accurate provider: When it comes to deals on Billings-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Billings-Reykjavik Keflavik Intl 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 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, Icelandair, and British Airways fly from Billings to Reykjavik Keflavik Intl Airport in about 17h 15m. The time it takes to get you to your destination can typically vary by up to 20h 40m. 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.

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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