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Keflavik Intl

$508+ Cheap flights from Madison (MSN) 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — KEF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$826
(United)

One-way from

$508
(United)
From Madison Truax Field to Reykjavik Keflavik Intl
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One-way flight from Madison Truax Field to Reykjavik Keflavik Intl
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Find flight deals from Madison to Keflavik Intl

Cheapest flights from Madison to Keflavik Intl
Explore the most affordable flight options available from Madison to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United deal was found by Cheapflights users on 9/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:46 pmMSN - KEF
2 stops27h 49mMultiple Airlines
Sat 10/251:10 amKEF - MSN
2 stops41h 53mMultiple Airlines
Deal found 9/15$826
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 11/139:48 amMSN - KEF
2 stops25h 27mAmerican Airlines
Mon 11/1711:50 amKEF - MSN
2 stops38h 29mAmerican Airlines
Deal found 9/13$869
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/810:51 amMSN - KEF
3 stops32h 19mMultiple Airlines
Tue 10/1412:10 amKEF - MSN
3 stops23h 45mMultiple Airlines
Deal found 9/15$1,215

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 September 16, 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

Sun 10/19

2:46 pm-11:35 pm

2 stops27h 49m

Reykjavik Keflavik Intl

Sat 10/25

1:10 am-2:03 pm

2 stops41h 53m

$826

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Thu 11/13

9:48 am-5:15 pm

2 stops25h 27m

Reykjavik Keflavik Intl

Mon 11/17

11:50 am-8:19 pm

2 stops38h 29m

$869

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Wed 10/8

10:51 am-12:10 am

3 stops32h 19m

Reykjavik Keflavik Intl

Tue 10/14

12:10 am-6:55 pm

3 stops23h 45m

$1,215

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sun 1/4

3:46 pm-2:20 pm

2 stops40h 34m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $869, American Airlines can have you in Reykjavik Keflavik Intl Airport from Madison in 25h 27m. Airlines will cover a distance of 2913 mi.

  • 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.

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

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

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