$481 Cheap Flights from Appleton (ATW) to Reykjavik (KEF)

View $481 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Appleton, WI (ATW-Appleton Intl.) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap Flights from Appleton to Reykjavik (ATW-KEF)

Prices were available within the past 7 days and start at $481 for one-way flights and $554 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 12 - Tue, Aug 25
ATW
Appleton
KEF
Reykjavik
$554 Roundtrip, found 2 days ago
$554
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug 12 from Appleton to Reykjavik, returning Tue, Aug 25, priced at $554 found 2 days ago
Virgin Atlantic
Tue, Aug 18 - Wed, Aug 26
ATW
Appleton
KEF
Reykjavik
$554 Roundtrip, found 5 days ago
$554
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Tue, Aug 18 from Appleton to Reykjavik, returning Wed, Aug 26, priced at $554 found 5 days ago
United
Tue, Aug 11 - Wed, Aug 26
ATW
Appleton
KEF
Reykjavik
$580 Roundtrip, found 2 days ago
$580
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Appleton to Reykjavik, returning Wed, Aug 26, priced at $580 found 2 days ago
Delta
Sat, Aug 1 - Thu, Aug 20
ATW
Appleton
KEF
Reykjavik
$604 Roundtrip, found 2 days ago
$604
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 1 from Appleton to Reykjavik, returning Thu, Aug 20, priced at $604 found 2 days ago
Delta
Mon, Aug 3 - Thu, Aug 20
ATW
Appleton
KEF
Reykjavik
$629 Roundtrip, found 2 days ago
$629
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 3 from Appleton to Reykjavik, returning Thu, Aug 20, priced at $629 found 2 days ago
Delta
Thu, Aug 13 - Mon, Aug 24
ATW
Appleton
KEF
Reykjavik
$654 Roundtrip, found 2 days ago
$654
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 13 from Appleton to Reykjavik, returning Mon, Aug 24, priced at $654 found 2 days ago
Virgin Atlantic
Sun, Aug 23 - Thu, Sep 10
ATW
Appleton
KEF
Reykjavik
$659 Roundtrip, found 2 days ago
$659
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Aug 23 from Appleton to Reykjavik, returning Thu, Sep 10, priced at $659 found 2 days ago
Virgin Atlantic
Sun, May 10 - Tue, May 19
ATW
Appleton
KEF
Reykjavik
$679 Roundtrip, found 11 hours ago
$679
Roundtrip
found 11 hours ago
Select Virgin Atlantic flight, departing Sun, May 10 from Appleton to Reykjavik, returning Tue, May 19, priced at $679 found 11 hours ago
American Airlines
Tue, Apr 21 - Wed, Apr 29
ATW
Appleton
KEF
Reykjavik
$885 Roundtrip, found 4 days ago
$885
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Apr 21 from Appleton to Reykjavik, returning Wed, Apr 29, priced at $885 found 4 days ago
KLM
Mon, Sep 14 - Wed, Sep 23
ATW
Appleton
KEF
Reykjavik
$1,010 Roundtrip, found 15 hours ago
$1,010
Roundtrip
found 15 hours ago
Select KLM flight, departing Mon, Sep 14 from Appleton to Reykjavik, returning Wed, Sep 23, priced at $1,010 found 15 hours ago

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Frequently asked questions

How much does a flight from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF) cost?
Snag a cheap one-way flight from $481 or cheap return flight from $554 from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF)?
August is the least expensive month to fly from ATW to KEF. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from ATW to KEF. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF)?
Direct flights from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ATW to KEF?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF)?
To avoid possible delays on the Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF) last-minute?
Waiting until just before your trip to book a flight from ATW to KEF generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book an ATW to KEF flight and hotel package?
Compared with arranging flights and hotels separately, booking an ATW to KEF flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Appleton Intl. Airport (ATW) to Keflavik Intl. Airport (KEF)?
If you booked your ATW to KEF flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Appleton Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air France, American Airlines, Delta, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$554
Distance
2827 mi

Book with confidence

Appleton to Reykjavik Flights

The cheapest times to fly from Appleton to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Appleton to Reykjavik are during the month of August. You can find some of the cheapest flights from Appleton to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Appleton to Reykjavik

Sunday is one of the best days to book for cheap flights from Appleton to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Appleton to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Appleton to Reykjavik in 2026. You can also book with separate airlines for your outbound and return journeys, from $481 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Appleton to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Appleton to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Appleton to Reykjavik Flights

*Flight schedules are subject to change.

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*Available to One Key members.