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Keflavik Intl

$998+ Cheap flights from Bismarck (BIS) 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — KEF
Aug 3 — Aug 101
Mon 8/3
Mon 8/10
1 adult, Economy
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Cheap flight deals from Bismarck to Keflavik Intl

Cheapest flights from Bismarck to Keflavik Intl
Explore the most affordable flight options available from Bismarck to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 4, 2026.

This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 8/96:05 am
BIS
-
KEF
2 stops21h 25m
United Airlines
Tue 8/1811:00 am
KEF
-
BIS
2 stops17h 38m
United Airlines
Deal found 7/3$998
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 8/121:27 pm
BIS
-
KEF
1 stop12h 33m
Delta
Tue 8/189:30 am
KEF
-
BIS
1 stop30h 00m
Delta
Deal found 7/3$999
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:00 am
BIS
-
KEF
2 stops18h 30m
United Airlines
Tue 9/19:15 am
KEF
-
BIS
2 stops43h 23m
United Airlines
Deal found 6/29$1,037
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 8/179:00 am
BIS
-
KEF
2 stops17h 55m
United Airlines
Mon 8/249:15 am
KEF
-
BIS
2 stops43h 23m
United Airlines
Deal found 7/2$1,046
This Air France deal was found by Cheapflights users on 7/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:27 pm
BIS
-
KEF
1 stop12h 33m
Multiple Airlines
Mon 8/249:30 am
KEF
-
BIS
1 stop15h 16m
Multiple Airlines
Deal found 7/2$1,063
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/131:40 pm
BIS
-
KEF
2 stops14h 10m
United Airlines
Tue 8/1812:00 pm
KEF
-
BIS
2 stops16h 38m
United Airlines
Deal found 7/3$1,068
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 8/96:05 am
BIS
-
KEF
2 stops21h 25m
United Airlines
Mon 8/1712:00 pm
KEF
-
BIS
2 stops40h 38m
United Airlines
Deal found 7/3$1,081
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/141:40 pm
BIS
-
KEF
2 stops13h 50m
United Airlines
Tue 8/1811:00 am
KEF
-
BIS
2 stops17h 38m
United Airlines
Deal found 7/3$1,145
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/139:00 am
BIS
-
KEF
2 stops18h 50m
United Airlines
Mon 8/1712:00 pm
KEF
-
BIS
2 stops40h 38m
United Airlines
Deal found 7/3$1,151
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/141:40 pm
BIS
-
KEF
2 stops13h 50m
United Airlines
Mon 8/1712:00 pm
KEF
-
BIS
2 stops40h 38m
United Airlines
Deal found 7/3$1,228
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 8/96:05 am
BIS
-
KEF
2 stops21h 25m
United Airlines
Sun 8/1611:00 am
KEF
-
BIS
2 stops17h 38m
United Airlines
Deal found 7/3$1,284

Find flight deals from Bismarck to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) 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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$998
(United Airlines)
Provider with most accurate pricing for Bismarck-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Reykjavik Keflavik Intl flights.
Search Deals
From Bismarck to Reykjavik Keflavik Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck 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 4, 2026.
Use the filters below to find and compare flights from Bismarck to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Wed 8/12

9:00 am-8:30 am

2 stops18h 30m

Reykjavik Keflavik Intl

Tue 8/18

12:00 pm-11:38 pm

2 stops16h 38m

$998

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Tue 8/11

9:00 am-7:00 am

2 stops17h 00m

Reykjavik Keflavik Intl

Tue 8/18

11:30 am-11:38 pm

2 stops17h 08m

$998

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Fri 8/28

9:00 am-8:30 am

2 stops18h 30m

Reykjavik Keflavik Intl

Tue 9/1

9:15 am-11:38 pm

2 stops43h 23m

$1,037

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Mon 8/17

9:00 am-7:55 am

2 stops17h 55m

Reykjavik Keflavik Intl

Mon 8/24

9:15 am-11:38 pm

2 stops43h 23m

$1,046

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Mon 8/10

5:00 am-7:00 am

1 stop21h 00m

Reykjavik Keflavik Intl

Fri 8/14

9:30 am-11:12 pm

1 stop18h 42m

$2,253
Quickest round-trip

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Wed 8/12

11:10 am-7:00 am

1 stop14h 50m

Reykjavik Keflavik Intl

Sat 8/15

9:30 am-7:46 pm

1 stop15h 16m

$2,377

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Bismarck-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 Bismarck-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-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 Bismarck-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 Bismarck to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Bismarck 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 Bismarck 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 Bismarck to Reykjavik Keflavik Intl?

    Bismarck (BIS) is the airport you will fly out of if you book a flight from Bismarck to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from Bismarck; 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 Bismarck airport to Reykjavik Keflavik Intl. It is only a 2.5 mi journey to Bismarck (BIS) from Bismarck’s city center.

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

    There are many flights that can get you from Bismarck to Reykjavik Keflavik Intl Airport in 12h 33m. Fly via United Airlines or Delta to get the fastest option. There are 3054 mi between Bismarck and Reykjavik Keflavik Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bismarck 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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