HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$880+ Cheap flights from Madison (MSN) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — KEF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Madison 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 Madison to Keflavik Intl

Best flights from Madison to Keflavik Intl
Discover carefully curated flight deals from Madison to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:32 pmMSN - KEF
2 stops19h 48mLufthansa
Sat 2/73:10 pmKEF - MSN
2 stops38h 34mLufthansa
Deal found 12/17$880
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 6/610:45 amMSN - KEF
1 stop16h 45mUnited Airlines
Fri 6/199:15 amKEF - MSN
2 stops33h 33mUnited Airlines
Deal found 12/16$924
This Air France deal was found by Cheapflights users on 12/16. 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.
Fri 6/52:40 pmMSN - KEF
1 stop11h 20mMultiple Airlines
Fri 6/198:50 amKEF - MSN
1 stop16h 50mMultiple Airlines
Deal found 12/16$1,025
This Air France deal was found by Cheapflights users on 12/16. 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.
Sat 6/62:40 pmMSN - KEF
1 stop11h 20mAir France
Fri 6/199:30 amKEF - MSN
1 stop17h 27mAir France
Deal found 12/16$1,025
This Delta deal was found by Cheapflights users on 12/16. 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 6/59:26 amMSN - KEF
1 stop15h 54mDelta
Fri 6/198:50 amKEF - MSN
2 stops18h 07mDelta
Deal found 12/16$1,030
This United Airlines deal was found by Cheapflights users on 12/16. 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 6/510:45 amMSN - KEF
2 stops17h 00mUnited Airlines
Fri 6/199:15 amKEF - MSN
2 stops33h 33mUnited Airlines
Deal found 12/16$931
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 6/62:25 pmMSN - KEF
1 stop13h 05mUnited Airlines
Sat 6/209:15 amKEF - MSN
2 stops40h 39mUnited Airlines
Deal found 12/16$947
This Air France deal was found by Cheapflights users on 12/16. 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.
Sat 6/62:40 pmMSN - KEF
1 stop11h 20mAir France
Sun 6/218:50 amKEF - MSN
1 stop16h 50mAir France
Deal found 12/16$1,095
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:50 pmMSN - KEF
2 stops42h 25mLufthansa
Sun 3/223:20 pmKEF - MSN
2 stops36h 17mLufthansa
Deal found 12/16$1,187

Find flight deals from Madison to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Madison (MSN) 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 December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$880
(Ovago)
Provider with most accurate pricing for Madison Truax Field-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madison Truax Field-Reykjavik Keflavik Intl flights.
Search Deals
From Madison Truax Field to Reykjavik Keflavik Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Madison 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 December 18, 2025.
Use the filters below to find and compare flights from Madison to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Madison

Fly to

Keflavik Intl

Route

Depart

Return

Price

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sat 1/31

12:32 pm-2:20 pm

2 stops19h 48m

Reykjavik Keflavik Intl

Sat 2/7

3:10 pm-11:44 pm

2 stops38h 34m

$880

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sat 6/6

10:45 am-8:30 am

1 stop16h 45m

Reykjavik Keflavik Intl

Fri 6/19

9:15 am-1:48 pm

2 stops33h 33m

$924

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Fri 6/5

10:45 am-8:45 am

2 stops17h 00m

Reykjavik Keflavik Intl

Fri 6/19

9:15 am-1:48 pm

2 stops33h 33m

$931

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sat 6/6

2:25 pm-8:30 am

1 stop13h 05m

Reykjavik Keflavik Intl

Sat 6/20

9:15 am-8:54 pm

2 stops40h 39m

$947

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Fri 6/5

2:40 pm-7:00 am

1 stop11h 20m

Reykjavik Keflavik Intl

Fri 6/19

8:50 am-8:40 pm

1 stop16h 50m

$1,025

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sat 6/6

2:40 pm-7:00 am

1 stop11h 20m

Reykjavik Keflavik Intl

Fri 6/19

9:30 am-9:57 pm

1 stop17h 27m

$1,025

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Fri 6/5

9:26 am-6:20 am

1 stop15h 54m

Reykjavik Keflavik Intl

Fri 6/19

8:50 am-9:57 pm

2 stops18h 07m

$1,030

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sat 6/6

2:40 pm-7:00 am

1 stop11h 20m

Reykjavik Keflavik Intl

Sun 6/21

8:50 am-8:40 pm

1 stop16h 50m

$1,095

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Tue 3/10

2:50 pm-2:15 pm

2 stops42h 25m

Reykjavik Keflavik Intl

Sun 3/22

3:20 pm-10:37 pm

2 stops36h 17m

$1,187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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

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

    If you book a flight to Reykjavik Keflavik Intl from Madison, you will be flying from Truax Field, which is the city’s only airport. Madison Truax Field (MSN) is located 5.4 mi from the center of Madison. There are 0 flights from Truax Field to Reykjavik Keflavik Intl per day from 0 different airlines.

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

    For as low as $924, Lufthansa can have you in Reykjavik Keflavik Intl Airport from Madison in 16h 45m. Airlines will cover a distance of 2913 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Madison 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

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.