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Keflavik Intl

$623+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — KEF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$623
(United Airlines)
From Billings Logan Intl to Reykjavik Keflavik Intl
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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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 9/117:00 amBIL - KEF
2 stops19h 10mUnited Airlines
Thu 9/189:50 amKEF - BIL
2 stops37h 26mUnited Airlines
Deal found 7/28$623
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:00 amBIL - KEF
2 stops21h 15mAir Canada
Wed 9/249:30 amKEF - BIL
2 stops33h 48mAir Canada
Deal found 7/28$707
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:00 amBIL - KEF
2 stops21h 15mMultiple Airlines
Tue 9/231:15 amKEF - BIL
2 stops25h 19mMultiple Airlines
Deal found 7/28$731
This Virgin Atlantic deal was found by Cheapflights users on 7/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:33 amBIL - KEF
2 stops15h 57mVirgin Atlantic
Tue 9/3011:25 amKEF - BIL
2 stops17h 10mVirgin Atlantic
Deal found 7/28$864
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:35 pmBIL - KEF
2 stops27h 00mLufthansa
Wed 9/1712:25 amKEF - BIL
2 stops26h 09mLufthansa
Deal found 7/28$996
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/173:43 pmBIL - KEF
1 stop32h 12mAlaska Airlines
Wed 9/244:50 pmKEF - BIL
1 stop26h 34mAlaska Airlines
Deal found 7/28$1,127
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:17 pmBIL - KEF
1 stop12h 43mIcelandair
Mon 8/44:50 pmKEF - BIL
1 stop13h 18mIcelandair
Deal found 7/29$1,664

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 July 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

Thu 9/11

7:00 am-8:10 am

2 stops19h 10m

Reykjavik Keflavik Intl

Thu 9/18

9:50 am-5:16 pm

2 stops37h 26m

$623

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Wed 9/17

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Wed 9/24

9:30 am-1:18 pm

2 stops33h 48m

$707

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Wed 9/17

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Tue 9/23

1:15 am-8:34 pm

2 stops25h 19m

$731

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Fri 9/26

11:33 am-9:30 am

2 stops15h 57m

Reykjavik Keflavik Intl

Tue 9/30

11:25 am-10:35 pm

2 stops17h 10m

$864

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Thu 9/11

2:35 pm-11:35 pm

2 stops27h 00m

Reykjavik Keflavik Intl

Wed 9/17

12:25 am-8:34 pm

2 stops26h 09m

$996

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Wed 9/17

3:43 pm-5:55 am

1 stop32h 12m

Reykjavik Keflavik Intl

Wed 9/24

4:50 pm-1:24 pm

1 stop26h 34m

$1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Billings to Reykjavik Keflavik Intl Airport, such as Alaska Airlines, United Airlines, and Virgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Virgin Atlantic
7.4
Good
655 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Air Canada
7.1
Good
9,822 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Lufthansa
6.8
Okay
7,265 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What are the cheapest airlines flying from Billings to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from Billings to Reykjavik Keflavik Intl Airport round-trip from $623. Other airlines that can offer you cheap pricing are Air Canada, from $707, and Virgin Atlantic, from $864.

  • 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 $653). 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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