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Cheap flights from Billings to Reykjavik from $719

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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 6:15 am
BIL
-
KEF
16h 15m1 stop
Multiple Airlines Logo
5:00 pm - 11:36 pm
KEF
-
BIL
13h 36m1 stop
$719Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Lufthansa Logo
2:40 pm - 11:30 pm
BIL
-
KEF
26h 50m2 stops
Lufthansa Logo
12:25 am - 8:54 pm
KEF
-
BIL
26h 29m2 stops
$769Lufthansa
Thu, Apr 9 - Wed, Apr 22
United Airlines Logo
7:00 am - 8:30 am
BIL
-
KEF
19h 30m2 stops
United Airlines Logo
12:00 pm - 1:13 pm
KEF
-
BIL
31h 13m3 stops
$927United Airlines
Tue, May 19 - Mon, Jun 1
United Airlines Logo
7:00 am - 8:30 am
BIL
-
KEF
19h 30m2 stops
United Airlines Logo
12:00 pm - 11:21 am
KEF
-
BIL
29h 21m1 stop
$937United Airlines
Tue, May 19 - Mon, Jun 1
Multiple Airlines Logo
12:23 pm - 4:25 pm
BIL
-
KEF
22h 02m2 stops
Multiple Airlines Logo
8:35 am - 10:41 pm
KEF
-
BIL
20h 06m2 stops
$975Multiple Airlines
Thu, May 21 - Thu, Jun 4
United Airlines Logo
5:51 pm - 8:30 am
BIL
-
KEF
56h 39m2 stops
United Airlines Logo
12:00 pm - 1:13 pm
KEF
-
BIL
31h 13m3 stops
$1,004United Airlines
Tue, May 19 - Mon, Jun 1
Multiple Airlines Logo
3:35 pm - 6:05 am
BIL
-
KEF
31h 30m2 stops
Multiple Airlines Logo
5:00 pm - 11:36 pm
KEF
-
BIL
13h 36m1 stop
$1,006Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
5:51 pm - 8:30 am
BIL
-
KEF
56h 39m2 stops
United Airlines Logo
12:00 pm - 11:21 am
KEF
-
BIL
29h 21m1 stop
$1,013United Airlines
Tue, May 19 - Mon, Jun 1
Multiple Airlines Logo
1:55 pm - 9:25 am
BIL
-
KEF
13h 30m1 stop
Multiple Airlines Logo
7:45 pm - 10:43 pm
KEF
-
BIL
32h 58m1 stop
$1,030Multiple Airlines
Thu, Apr 9 - Thu, Apr 23
United Airlines Logo
12:30 pm - 8:30 am
BIL
-
KEF
14h 00m1 stop
United Airlines Logo
12:00 pm - 11:21 am
KEF
-
BIL
29h 21m1 stop
$1,031United Airlines
Thu, May 21 - Thu, Jun 4

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
May 19
BIL5:51 pmBillings Logan Intl
56h 39m
2 stops
KEF8:30 amReykjavik Keflavik Intl
Jun 1
KEF11:30 amReykjavik Keflavik Intl
31h 43m
3 stops
BIL1:13 pmBillings Logan Intl
$953
Find similar
United Airlines
May 19
BIL5:51 pmBillings Logan Intl
56h 39m
2 stops
KEF8:30 amReykjavik Keflavik Intl
Jun 1
KEF12:00 pmReykjavik Keflavik Intl
29h 21m
1 stop
BIL11:21 amBillings Logan Intl
$962
Find similar
United Airlines
May 19
BIL5:51 pmBillings Logan Intl
56h 39m
2 stops
KEF8:30 amReykjavik Keflavik Intl
Jun 1
KEF12:00 pmReykjavik Keflavik Intl
31h 13m
3 stops
BIL1:13 pmBillings Logan Intl
$1,004
Find similar

British Airways flights from Billings to Reykjavik Keflavik Intl Airport

Our best British Airways deals on Billings to Reykjavik Keflavik Intl Airport flight tickets
British Airways
Jan 25
BIL2:02 pmBillings Logan Intl
37h 53m
2 stops
KEF10:55 amReykjavik Keflavik Intl
Jan 29
KEF11:45 amReykjavik Keflavik Intl
42h 51m
2 stops
BIL11:36 pmBillings Logan Intl
$2,541
Find similar
British Airways
Jan 25
BIL2:02 pmBillings Logan Intl
37h 53m
2 stops
KEF10:55 amReykjavik Keflavik Intl
Jan 29
KEF11:45 amReykjavik Keflavik Intl
42h 51m
2 stops
BIL11:36 pmBillings Logan Intl
$2,542
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 December 7, 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

Wed 1/14

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-11:36 pm

1 stop13h 36m

$719

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Thu 4/9

2:40 pm-11:30 pm

2 stops26h 50m

Reykjavik Keflavik Intl

Wed 4/22

12:25 am-8:54 pm

2 stops26h 29m

$769

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Tue 5/19

7:00 am-8:30 am

2 stops19h 30m

Reykjavik Keflavik Intl

Mon 6/1

12:00 pm-1:13 pm

3 stops31h 13m

$927

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Tue 5/19

7:00 am-8:30 am

2 stops19h 30m

Reykjavik Keflavik Intl

Mon 6/1

12:00 pm-11:21 am

1 stop29h 21m

$937

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Thu 5/21

12:23 pm-4:25 pm

2 stops22h 02m

Reykjavik Keflavik Intl

Thu 6/4

8:35 am-10:41 pm

2 stops20h 06m

$975

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Tue 5/19

5:51 pm-8:30 am

2 stops56h 39m

Reykjavik Keflavik Intl

Mon 6/1

12:00 pm-1:13 pm

3 stops31h 13m

$1,004

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Wed 1/14

3:35 pm-6:05 am

2 stops31h 30m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-11:36 pm

1 stop13h 36m

$1,006

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Tue 5/19

5:51 pm-8:30 am

2 stops56h 39m

Reykjavik Keflavik Intl

Mon 6/1

12:00 pm-11:21 am

1 stop29h 21m

$1,013

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Thu 4/9

1:55 pm-9:25 am

1 stop13h 30m

Reykjavik Keflavik Intl

Thu 4/23

7:45 pm-10:43 pm

1 stop32h 58m

$1,030

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Thu 5/21

12:30 pm-8:30 am

1 stop14h 00m

Reykjavik Keflavik Intl

Thu 6/4

12:00 pm-11:21 am

1 stop29h 21m

$1,031

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

Fastest flight time

16h 15m

Direct flights

None
The fastest flight from Billings to Reykjavik Keflavik Intl Airport takes 16h 15m
There are no direct flights from Billings to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Billings to Reykjavik Keflavik Intl Airport.
Search flight deals

  • How far is Billings Logan Intl to Reykjavik Keflavik Intl by plane?

    Reykjavik Keflavik Intl is 3330.9 mi away from Billings Logan Intl. 13h 30m 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
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

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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