£329 Cheap Flights from Washington (IAD) to Reykjavik (KEF)

View £329 flight on Mon, 7 Sept 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Keflavik International Airport (KEF)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington (IAD) to Reykjavik (KEF)

Prices were available within the past 7 days and start at £329 for one-way flights and £405 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 20 Apr - Mon, 27 Apr
IAD
Washington
KEF
Reykjavik
£405 Return, found 1 day ago
£405
Return
found 1 day ago
Select Icelandair flight, departing Mon, 20 Apr from Washington to Reykjavik, returning Mon, 27 Apr, priced at £405 found 1 day ago
Icelandair
Sun, 19 Apr - Sun, 26 Apr
IAD
Washington
KEF
Reykjavik
£417 Return, found 4 days ago
£417
Return
found 4 days ago
Select Icelandair flight, departing Sun, 19 Apr from Washington to Reykjavik, returning Sun, 26 Apr, priced at £417 found 4 days ago
Icelandair
Mon, 20 Apr - Fri, 24 Apr
IAD
Washington
KEF
Reykjavik
£418 Return, found 5 days ago
£418
Return
found 5 days ago
Select Icelandair flight, departing Mon, 20 Apr from Washington to Reykjavik, returning Fri, 24 Apr, priced at £418 found 5 days ago
Icelandair
Tue, 21 Apr - Wed, 29 Apr
IAD
Washington
KEF
Reykjavik
£425 Return, found 1 day ago
£425
Return
found 1 day ago
Select Icelandair flight, departing Tue, 21 Apr from Washington to Reykjavik, returning Wed, 29 Apr, priced at £425 found 1 day ago
Icelandair
Mon, 27 Apr - Mon, 4 May
IAD
Washington
KEF
Reykjavik
£426 Return, found 1 day ago
£426
Return
found 1 day ago
Select Icelandair flight, departing Mon, 27 Apr from Washington to Reykjavik, returning Mon, 4 May, priced at £426 found 1 day ago
Icelandair
Wed, 29 Apr - Thu, 7 May
IAD
Washington
KEF
Reykjavik
£428 Return, found 1 day ago
£428
Return
found 1 day ago
Select Icelandair flight, departing Wed, 29 Apr from Washington to Reykjavik, returning Thu, 7 May, priced at £428 found 1 day ago
Scandinavian Airlines
Wed, 30 Sept - Wed, 7 Oct
IAD
Washington
KEF
Reykjavik
£509 Return, found 1 day ago
£509
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 30 Sept from Washington to Reykjavik, returning Wed, 7 Oct, priced at £509 found 1 day ago
Air Canada
Mon, 17 Aug - Mon, 24 Aug
IAD
Washington
KEF
Reykjavik
£564 Return, found 12 hours ago
£564
Return
found 12 hours ago
Select Air Canada flight, departing Mon, 17 Aug from Washington to Reykjavik, returning Mon, 24 Aug, priced at £564 found 12 hours ago
Finnair
Wed, 28 Oct - Wed, 4 Nov
IAD
Washington
KEF
Reykjavik
£593 Return, found 3 days ago
£593
Return
found 3 days ago
Select Finnair flight, departing Wed, 28 Oct from Washington to Reykjavik, returning Wed, 4 Nov, priced at £593 found 3 days ago
KLM
Tue, 18 Aug - Tue, 25 Aug
IAD
Washington
KEF
Reykjavik
£600 Return, found 1 day ago
£600
Return
found 1 day ago
Select KLM flight, departing Tue, 18 Aug from Washington to Reykjavik, returning Tue, 25 Aug, priced at £600 found 1 day ago

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city centre is 45 minutes. Flights from £615
KEF
Keflavik Intl.
Cheapest
Average driving time to city centre45 min
Flights from £615

Find the cheapest month to fly from Washington (IAD) to Reykjavik (KEF)

April is typically the cheapest month to fly

From £342 - £701 per traveller.

Frequently asked questions

How much is a flight from IAD to KEF?
Round-trip tickets between Dulles Intl. Airport and Keflavik Intl. Airport (KEF) start from £405. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to KEF?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from IAD to Keflavik Intl. Airport (KEF) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to KEF flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
You'll have 4,500 kilometres to cover on the long-haul Chantilly to Reykjanesbær route. Wear layers of comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Reykjavík–Keflavík Airport?
Check out the fares with Icelandair (FI) if you want to fly directly from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF). This popular carrier offers 30 flights every month, so you're sure to find one that fits your travel plans.
Are Dulles Intl. Airport to Reykjavík–Keflavík Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to Keflavik Intl. Airport (KEF) last minute could be your ticket to a great deal. However, it might cost you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Return price
£404
Distance
4466 km
Average flight time
4 hours 55 mins

Explore a world of travel with Expedia

*Available to Expedia members.