HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$2,411+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — KEF
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bismarck to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,411
(American 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
Search Deals

Find 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 September 29, 2025.

This American Airlines deal was found by Cheapflights users on 9/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/712:55 pmBIS - KEF
2 stops39h 45mAmerican Airlines
Tue 11/1111:50 amKEF - BIS
2 stops54h 35mAmerican Airlines
Deal found 9/27$2,411

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 September 29, 2025.
Use the filters below to find and compare flights from Bismarck to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Bismarck

Fly to

Keflavik Intl

Route

Depart

Return

Price

BismarckReykjavik

BIS - KEF

BISKEF

Bismarck

Fri 11/7

12:55 pm-10:40 am

2 stops39h 45m

Reykjavik Keflavik Intl

Tue 11/11

11:50 am-12:25 pm

2 stops54h 35m

$2,411

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Bismarck to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Keflavik Intl in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 39h 45m. Fly via American Airlines to get the fastest option. There are 3054 mi between Bismarck and Reykjavik Keflavik Intl Airport.

  • 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.

  • What is the cheapest month to book a flight from Bismarck to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Bismarck to Reykjavik Keflavik Intl Airport (average of $328). Flying from Bismarck to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $656). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.