$410 Cheap Icelandair flights Washington (IAD) to Reykjavik (KEF)

View $410 flight on Thu, Mar 26, 2026Opens in a new window

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$410 Cheap Icelandair flights Washington (IAD) to Reykjavik (KEF)

Prices were available within the past 7 days and start at $410 for one-way flights and $328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, Sep 30 - Wed, Oct 8
IAD
Washington
KEF
Reykjavik
$328 Roundtrip, found 8 hours ago
$328
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Tue, Sep 30 from Washington to Reykjavik, returning Wed, Oct 8, priced at $328 found 8 hours ago
Icelandair
Wed, Sep 24 - Thu, Oct 2
IAD
Washington
KEF
Reykjavik
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Sep 24 from Washington to Reykjavik, returning Thu, Oct 2, priced at $335 found 1 day ago
Icelandair
Sun, Aug 31 - Mon, Sep 8
IAD
Washington
KEF
Reykjavik
$341 Roundtrip, found 8 hours ago
$341
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Sun, Aug 31 from Washington to Reykjavik, returning Mon, Sep 8, priced at $341 found 8 hours ago
Icelandair
Sat, Sep 13 - Wed, Sep 17
IAD
Washington
KEF
Reykjavik
$341 Roundtrip, just found
$341
Roundtrip
just found
Select Icelandair flight, departing Sat, Sep 13 from Washington to Reykjavik, returning Wed, Sep 17, priced at $341 just found
Icelandair
Fri, Oct 31 - Wed, Nov 5
IAD
Washington
KEF
Reykjavik
$356 Roundtrip, just found
$356
Roundtrip
just found
Select Icelandair flight, departing Fri, Oct 31 from Washington to Reykjavik, returning Wed, Nov 5, priced at $356 just found
Icelandair
Wed, Aug 20 - Sun, Sep 7
IAD
Washington
KEF
Reykjavik
$369 Roundtrip, found 8 hours ago
$369
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Wed, Aug 20 from Washington to Reykjavik, returning Sun, Sep 7, priced at $369 found 8 hours ago
Icelandair
Thu, Sep 4 - Tue, Sep 9
IAD
Washington
KEF
Reykjavik
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Thu, Sep 4 from Washington to Reykjavik, returning Tue, Sep 9, priced at $369 found 1 hour ago
Icelandair
Thu, Jan 1 - Wed, Jan 7
IAD
Washington
KEF
Reykjavik
$383 Roundtrip, found 2 days ago
$383
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Jan 1 from Washington to Reykjavik, returning Wed, Jan 7, priced at $383 found 2 days ago
Icelandair
Wed, Feb 11 - Mon, Feb 16
IAD
Washington
KEF
Reykjavik
$388 Roundtrip, found 1 day ago
$388
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Feb 11 from Washington to Reykjavik, returning Mon, Feb 16, priced at $388 found 1 day ago
Icelandair
Thu, Sep 25 - Sun, Sep 28
IAD
Washington
KEF
Reykjavik
$396 Roundtrip, found 9 hours ago
$396
Roundtrip
found 9 hours ago
Select Icelandair flight, departing Thu, Sep 25 from Washington to Reykjavik, returning Sun, Sep 28, priced at $396 found 9 hours ago
Flights from Washington (IAD) to Reykjavik (KEF)
Origin airport
Washington Dulles Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Icelandair
Distance
2791 mi
Average flight time
9 hours 52 mins

Frequently asked questions

How much is an Icelandair flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
You can discover affordable round-trip Icelandair flights from $328 from IAD to KEF by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $410 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to KEF with Icelandair?
Search for return or one-way flights to Reykjavik in January or April. You could find lower fares with Icelandair during these off-season months.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF) with Icelandair?
Snagging the best Icelandair deals from IAD to KEF is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start searching for flights about one month before you plan to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Icelandair fly nonstop from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
Icelandair operates direct flights from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF), with 7 departures every week. Just choose the "Nonstop" and "Airline" filters while searching on Expedia to show all direct Icelandair flights to KEF.
How long does it take to fly from IAD to KEF with Icelandair?
It takes around 5h 55m to fly nonstop from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF) with Icelandair.
What is the earliest Icelandair flight from IAD to KEF?
The earliest flight from IAD to KEF with Icelandair leaves at 7:40PM UTC-5. You'll land at 6:35AM UTC+0. The last Icelandair flight of the day takes off at 7:40PM UTC-5 and arrives at 6:35AM UTC+0. With approximately 20% fewer cancellations for early and mid-morning flights, heading out early is typically the best way to go.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Icelandair fly into in Reykjavik?
Icelandair flights from Washington Dulles Intl. Airport (IAD) to Reykjavik touch down at Keflavik Intl. Airport (KEF). This is the main entry point to this city.
What kind of luggage can I take on an Icelandair flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
A standard economy ticket with Icelandair from IAD to KEF allows 1 cabin bag and a small personal item. Your carry-on allowance is 1 cabin bag up to 13 lb with dimensions no larger than 21 inches x 7 inches x 13 inches. Size and weight limits can differ based on the fare type and cabin class. To avoid unexpected charges at the terminal, check your Icelandair booking or visit the airline's website before packing.
Why fly with Icelandair from IAD to KEF?
Offering top-tier customer service and a rewarding loyalty program, Icelandair is a favorite for many passengers flying from IAD to KEF. What's more, if you're an Icelandair Saga Club and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Icelandair fly from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
Icelandair usually flies Boeing 737 MAX 8 planes for flights from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF). This carrier also operates the Boeing 737 MAX 9 on this route. Keep in mind that aircraft type can vary depending on operational requirements, so the plane you catch might be different when you travel.
Can I change or cancel my Icelandair flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
In most cases, you can cancel or change your flight, although there may be a charge if your booking was made more than 24 hours ago. Prefer to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you have to revise your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.