HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$585+ Cheap flights from Kalispell (FCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — KEF
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kalispell 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 Kalispell to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) 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 August 20, 2025.

Round-trip from

$678
(Delta)

One-way from

$585
(Air France)
From Kalispell Glacier Park to Reykjavik Keflavik Intl
Search Deals
One-way flight from Kalispell Glacier Park to Reykjavik Keflavik Intl
Search Deals

Find flight deals from Kalispell to Keflavik Intl

Cheapest flights from Kalispell to Keflavik Intl
Explore the most affordable flight options available from Kalispell to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 10/113:24 pmFCA - KEF
2 stops32h 56mDelta
Tue 10/218:45 amKEF - FCA
2 stops20h 24mDelta
Deal found 8/18$678
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:37 pmFCA - KEF
1 stop12h 48mMultiple Airlines
Wed 10/154:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$682
This Delta deal was found by Cheapflights users on 8/18. 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.
Fri 10/106:10 pmFCA - KEF
2 stops54h 10mDelta
Tue 10/218:45 amKEF - FCA
2 stops20h 24mDelta
Deal found 8/18$690
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:07 pmFCA - KEF
2 stops14h 18mMultiple Airlines
Wed 10/154:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$728
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 10/113:24 pmFCA - KEF
2 stops32h 56mDelta
Mon 10/208:45 amKEF - FCA
2 stops32h 31mDelta
Deal found 8/18$738
This Delta deal was found by Cheapflights users on 8/18. 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.
Fri 10/106:10 pmFCA - KEF
2 stops54h 10mDelta
Mon 10/208:45 amKEF - FCA
2 stops32h 31mDelta
Deal found 8/18$750
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:31 amFCA - KEF
1 stop17h 44mMultiple Airlines
Wed 10/154:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$756
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:31 amFCA - KEF
1 stop17h 44mMultiple Airlines
Sun 10/194:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$800
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:31 amFCA - KEF
1 stop17h 44mMultiple Airlines
Tue 10/215:00 pmKEF - FCA
1 stop12h 58mMultiple Airlines
Deal found 8/18$822
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:31 amFCA - KEF
1 stop17h 44mMultiple Airlines
Sun 10/194:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$851
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:37 pmFCA - KEF
1 stop12h 48mMultiple Airlines
Thu 10/164:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$878
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:31 amFCA - KEF
1 stop17h 44mMultiple Airlines
Wed 10/154:50 pmKEF - FCA
1 stop13h 08mMultiple Airlines
Deal found 8/18$895

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell 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 August 20, 2025.
Use the filters below to find and compare flights from Kalispell to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Kalispell

Fly to

Keflavik Intl

Route

Depart

Return

Price

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Sat 10/11

3:24 pm-6:20 am

2 stops32h 56m

Reykjavik Keflavik Intl

Tue 10/21

8:45 am-11:09 pm

2 stops20h 24m

$678

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Thu 10/9

2:37 pm-9:25 am

1 stop12h 48m

Reykjavik Keflavik Intl

Wed 10/15

4:50 pm-11:58 pm

1 stop13h 08m

$682

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Fri 10/10

6:10 pm-6:20 am

2 stops54h 10m

Reykjavik Keflavik Intl

Tue 10/21

8:45 am-11:09 pm

2 stops20h 24m

$690

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Sat 10/11

1:07 pm-9:25 am

2 stops14h 18m

Reykjavik Keflavik Intl

Wed 10/15

4:50 pm-11:58 pm

1 stop13h 08m

$728

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Sat 10/11

3:24 pm-6:20 am

2 stops32h 56m

Reykjavik Keflavik Intl

Mon 10/20

8:45 am-11:16 am

2 stops32h 31m

$738

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Fri 10/10

6:10 pm-6:20 am

2 stops54h 10m

Reykjavik Keflavik Intl

Mon 10/20

8:45 am-11:16 am

2 stops32h 31m

$750

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Wed 10/8

6:31 am-6:15 am

1 stop17h 44m

Reykjavik Keflavik Intl

Wed 10/15

4:50 pm-11:58 pm

1 stop13h 08m

$756

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Wed 10/8

6:31 am-6:15 am

1 stop17h 44m

Reykjavik Keflavik Intl

Sun 10/19

4:50 pm-11:58 pm

1 stop13h 08m

$800

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Thu 10/9

6:31 am-6:15 am

1 stop17h 44m

Reykjavik Keflavik Intl

Sun 10/19

4:50 pm-11:58 pm

1 stop13h 08m

$800

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Tue 10/7

6:31 am-6:15 am

1 stop17h 44m

Reykjavik Keflavik Intl

Tue 10/21

5:00 pm-11:58 pm

1 stop12h 58m

$822

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 14 results
1
2

Best time to book a flight from Kalispell to Keflavik Intl

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

    Kalispell Glacier Park (FCA), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Kalispell to Reykjavik Keflavik Intl. 0 airlines have flights from Glacier Park to Reykjavik Keflavik Intl on a regular basis. Booking flights from Kalispell Glacier Park to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

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

    Delta can get you from Kalispell to Reykjavik Keflavik Intl Airport in just under 32h 56m. Your travel time can differ by up to . Kalispell and Reykjavik Keflavik Intl Airport are separated by a distance of 3348 mi.

  • What are the cheapest airlines to fly from Kalispell to Reykjavik Keflavik Intl Airport one-way?

    One-way options have recently been found by users for as low as $585 on Air France. Other airlines that offer cheap prices include Delta from $585 and Alaska Airlines from $687 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell 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 Kalispell to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Kalispell to Reykjavik Keflavik Intl Airport (average of $328). Flying from Kalispell to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $654). 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.