HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$654+ Cheap flights from Milwaukee (MKE) 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — KEF
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Milwaukee 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 Milwaukee to Keflavik Intl

Cheapest flights from Milwaukee to Keflavik Intl
Explore the most affordable flight options available from Milwaukee to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This oojo deal was found by Cheapflights users on 12/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:52 pmMKE - KEF
2 stops39h 03mBritish Airways
Wed 1/711:50 amKEF - MKE
2 stops40h 12mBritish Airways
Deal found 12/3$1,566
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:02 pmMKE - KEF
3 stops23h 03mMultiple Airlines
Wed 1/77:40 pmKEF - MKE
3 stops33h 16mMultiple Airlines
Deal found 12/3$1,756
This Icelandair deal was found by Cheapflights users on 12/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:05 amMKE - KEF
1 stop19h 00mMultiple Airlines
Fri 1/24:45 pmKEF - MKE
1 stop31h 12mMultiple Airlines
Deal found 12/4$2,217
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/307:00 amMKE - KEF
1 stop17h 15mMultiple Airlines
Sat 1/36:35 pmKEF - MKE
2 stops54h 45mMultiple Airlines
Deal found 12/4$2,760
This Ovago deal was found by Cheapflights users on 12/3. 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 12/2712:02 pmMKE - KEF
2 stops20h 18mLufthansa
Sat 1/33:10 pmKEF - MKE
2 stops36h 01mLufthansa
Deal found 12/3$4,981
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/247:45 amMKE - KEF
2 stops45h 10mAmerican Airlines
Fri 1/26:10 pmKEF - MKE
2 stops31h 28mAmerican Airlines
Deal found 12/3$5,578

Find flight deals from Milwaukee to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$706
(FlightHub)

One-way from

$654
(Kiwi.com)
Provider with most accurate pricing for Milwaukee-Mitchell-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Reykjavik Keflavik Intl flights.
Search Deals
From Milwaukee-Mitchell to Reykjavik Keflavik Intl
Search Deals
One-way flight from Milwaukee-Mitchell to Reykjavik Keflavik Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee 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 4, 2025.
Use the filters below to find and compare flights from Milwaukee to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Milwaukee

Fly to

Keflavik Intl

Route

Depart

Return

Price

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Wed 2/4

7:05 am-11:20 pm

2 stops34h 15m

Reykjavik Keflavik Intl

Sun 2/8

3:40 pm-10:42 pm

2 stops37h 02m

$706

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Tue 1/6

7:00 am-6:15 am

1 stop17h 15m

Reykjavik Keflavik Intl

Wed 1/14

5:00 pm-2:57 pm

1 stop27h 57m

$722

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Fri 1/9

2:32 pm-2:20 pm

2 stops41h 48m

Reykjavik Keflavik Intl

Fri 1/16

3:25 pm-3:43 pm

2 stops54h 18m

$729

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Sat 1/10

7:05 am-4:50 pm

2 stops27h 45m

Reykjavik Keflavik Intl

Fri 1/16

3:40 pm-8:58 pm

2 stops35h 18m

$740

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Sun 5/17

12:00 pm-7:00 am

1 stop14h 00m

Reykjavik Keflavik Intl

Wed 5/27

9:30 am-9:22 pm

1 stop16h 52m

$760

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Fri 1/9

7:05 am-10:40 am

2 stops21h 35m

Reykjavik Keflavik Intl

Mon 1/12

3:40 pm-10:42 pm

2 stops37h 02m

$770

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Fri 5/1

7:00 am-4:20 pm

2 stops28h 20m

Reykjavik Keflavik Intl

Sun 5/10

1:25 am-8:09 pm

3 stops23h 44m

$774

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Wed 5/6

7:00 am-3:20 pm

3 stops27h 20m

Reykjavik Keflavik Intl

Sun 5/10

1:25 am-8:09 pm

3 stops23h 44m

$778

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Thu 1/8

7:05 am-10:45 am

3 stops21h 40m

Reykjavik Keflavik Intl

Tue 1/13

7:35 am-8:58 pm

2 stops19h 23m

$793

MilwaukeeReykjavik

MKE - KEF

MKEKEF

Milwaukee-Mitchell

Thu 5/21

2:24 pm-8:30 am

1 stop13h 06m

Reykjavik Keflavik Intl

Fri 5/29

11:30 am-6:47 pm

2 stops12h 17m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 15 results
1
2

Compare providers for flights from Milwaukee 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 Milwaukee to Keflavik Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Milwaukee-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Milwaukee-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Milwaukee-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Milwaukee-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 Milwaukee to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Milwaukee 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.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to Reykjavik Keflavik Intl Airport

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

Currently, September is the cheapest month in which you can book a flight from Milwaukee to Reykjavik Keflavik Intl Airport (average of $313). Flying from Milwaukee to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $589). 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.

What is the cheapest time of day to fly from MKE to KEF?

Find hourly flight availability from Milwaukee to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Milwaukee to Reykjavik Keflavik Intl Airport by exploring options for tickets in the evening.

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 December 4, 2025.
Get a feel of what it's like to fly with United Airlines from Milwaukee 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.
United Airlines
7.4
Good
9,066 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Milwaukee 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 Milwaukee to Reykjavik Keflavik Intl?

    If you book a flight to Reykjavik Keflavik Intl from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee. There are 0 flights from Milwaukee-Mitchell to Reykjavik Keflavik Intl per day from 1 airline.

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

    A quick flight from Milwaukee to Reykjavik Keflavik Intl Airport can take about 14h. Scandinavian Airlines provides one of the quickest options available for as low as $760. There are 2880 mi between Milwaukee and Reykjavik Keflavik Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Milwaukee to Reykjavik Keflavik Intl Airport round-trip?

    Our cheapest airline available from Milwaukee to Reykjavik Keflavik Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $815 on this airline.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Milwaukee to Reykjavik Keflavik Intl Airport (average of $313). Flying from Milwaukee to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $589). 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.

Top airline flying from Milwaukee to Keflavik Intl

Discover the top airline that operate flights from Milwaukee to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$815Average$815FlexibilityNo cancel feeOn-time69%

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.