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Cheap flights from Billings to Reykjavik from $763

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Reykjavik departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Delta Logo
5:25 am - 9:30 amBIL-KEF
22h 05m2 stops
Delta Logo
8:45 am - 11:10 pmKEF-BIL
20h 25m2 stops
$763Delta
Find Deal
Fri, Sep 26 - Tue, Sep 30
United Airlines Logo
5:00 am - 8:15 amBIL-KEF
21h 15m2 stops
United Airlines Logo
9:50 am - 5:13 pmKEF-BIL
37h 23m2 stops
$901United Airlines
Find Deal
Fri, Sep 26 - Tue, Sep 30
United Airlines Logo
5:00 am - 8:15 amBIL-KEF
21h 15m2 stops
United Airlines Logo
9:50 am - 11:16 amKEF-BIL
55h 26m2 stops
$934United Airlines
Find Deal
Fri, Sep 26 - Tue, Sep 30
Lufthansa Logo
2:30 pm - 11:35 pmBIL-KEF
27h 05m2 stops
Lufthansa Logo
12:25 am - 8:49 pmKEF-BIL
26h 24m2 stops
$1,691Lufthansa
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Fri, Sep 26 - Mon, Sep 29

United Airlines flights from Billings to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Billings to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Sep 26
BIL5:00 amBillings Logan Intl
21h 15m
2 stops
KEF8:15 amReykjavik Keflavik Intl
Sep 30
KEF9:50 amReykjavik Keflavik Intl
37h 23m
2 stops
BIL5:13 pmBillings Logan Intl
$901
Find similar
United Airlines
Sep 26
BIL5:00 amBillings Logan Intl
21h 15m
2 stops
KEF8:15 amReykjavik Keflavik Intl
Sep 30
KEF9:50 amReykjavik Keflavik Intl
55h 26m
2 stops
BIL11:16 amBillings Logan Intl
$934
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated August 6, 2025.
Use the filters below to find and compare flights from Billings to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Fri 9/26

5:25 am-9:30 am

2 stops22h 05m

Reykjavik Keflavik Intl

Tue 9/30

8:45 am-11:10 pm

2 stops20h 25m

$763

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-5:13 pm

2 stops37h 23m

$901

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 stops55h 26m

$934

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

$1,691

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Reykjavik from

How to get the cheapest flight ticket from Billings to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Billings to Reykjavik Keflavik Intl Airport is on a Friday when prices can be found for as low as $648. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Wednesday, with ticket prices averaging around $1,291.

When to book flights from Billings to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to Reykjavik Keflavik Intl Airport (BIL to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Reykjavik Keflavik Intl Airport

Best Price Found

$763

Fastest flight time

21h 15m

Direct flights

None
The best flight deal from Billings to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $763
The fastest flight from Billings to Reykjavik Keflavik Intl Airport takes 21h 15m
There are no direct flights from Billings to Reykjavik Keflavik Intl Airport. Popular non-direct route for this connection is Billings Logan Intl Airport - Reykjavik Keflavik Intl Airport.
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  • How far is Billings Logan Intl to Reykjavik Keflavik Intl by plane?

    Reykjavik Keflavik Intl is 3330.9 mi away from Billings Logan Intl. 21h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Billings Logan Intl Airport to Reykjavik Keflavik Intl Airport were last updated today.

  • How old do you have to be to fly from Billings Logan Intl Airport to Reykjavik Keflavik Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billings Logan Intl Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The travel and health documents you'll need for your trip to Reykjavik Keflavik Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Hveragerdi
Selfoss
Hella
Borgarnes
Kopavogur
Grindavik

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Reykjavik?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Reykjavik from Billings.

Can I find flights from Billings to Reykjavik with flexible booking policies on momondo?

momondo does allow users to show only those flights to Reykjavik from Billings which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Billings to Reykjavik?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Billings to Reykjavik.

I’m not ready to book a flight from Billings to Reykjavik right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Reykjavik from Billings. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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