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Keflavik Intl

$585+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — KEF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$585
(United Airlines)
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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/196:30 amMSN - KEF
2 stops20h 40mUnited Airlines
Tue 8/269:50 amKEF - MSN
2 stops35h 57mUnited Airlines
Deal found 7/28$585
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/283:58 pmMSN - KEF
2 stops35h 22mMultiple Airlines
Sun 8/3112:25 amKEF - MSN
2 stops43h 37mMultiple Airlines
Deal found 7/26$823
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:43 pmMSN - KEF
2 stops25h 27mLufthansa
Sat 9/201:15 amKEF - MSN
2 stops42h 47mLufthansa
Deal found 7/27$960
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/241:23 pmMSN - KEF
1 stop11h 57mKLM
Sun 8/319:30 amKEF - MSN
1 stop17h 28mKLM
Deal found 7/27$1,067
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 8/259:28 amMSN - KEF
1 stop15h 52mDelta
Sun 8/319:30 amKEF - MSN
1 stop17h 28mDelta
Deal found 7/28$1,117

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 July 29, 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

Tue 8/19

6:30 am-8:10 am

2 stops20h 40m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-4:47 pm

2 stops35h 57m

$585

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Thu 8/28

3:58 pm-8:20 am

2 stops35h 22m

Reykjavik Keflavik Intl

Sun 8/31

12:25 am-3:02 pm

2 stops43h 37m

$823

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Fri 9/12

5:43 pm-12:10 am

2 stops25h 27m

Reykjavik Keflavik Intl

Sat 9/20

1:15 am-3:02 pm

2 stops42h 47m

$960

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Sun 8/24

1:23 pm-6:20 am

1 stop11h 57m

Reykjavik Keflavik Intl

Sun 8/31

9:30 am-9:58 pm

1 stop17h 28m

$1,067

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Mon 8/25

9:28 am-6:20 am

1 stop15h 52m

Reykjavik Keflavik Intl

Sun 8/31

9:30 am-9:58 pm

1 stop17h 28m

$1,117

MadisonReykjavik

MSN - KEF

MSNKEF

Madison Truax Field

Fri 8/15

6:32 am-8:15 am

2 stops44h 43m

$794

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from Madison to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,265 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Madison to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $585, United Airlines will fly you from Madison to Reykjavik Keflavik Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and KLM - these airlines can fly you to your destination from $960 and $1,067, respectively.

  • 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 $653). 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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