What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. Reagan-National Airport 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.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Reykjavik Keflavik Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Users have found that booking a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport at least 61 days early can save you up to 43% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport for as little as $452 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $593 for flights departing within the next 3 days.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport by exploring options for tickets at noon.

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

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

How can I find direct flights from Reagan-National to Keflavik Intl?

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

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$389+ Flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport

Q: What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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Find cheap flights from Reagan-National to Keflavik Intl with Cheapflights

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Cheap flight deals from Reagan-National to Keflavik Intl

Round-trip from	$463 (Gotogate)
One-way from	$389 (oojo)
Popular in	October
Cheapest in	December
Average price	$890

From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

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One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

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Highest demand for flights based on searches. 38% potential increase in price ($481 potential increase over avg. RT price).

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Cheapest flight prices on average. 15% potential price decrease ($102 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

mié. 8/134:30 pmDCA - KEF

1 stop11h 40mAir Canada

mié. 8/209:30 amKEF - DCA

2 stops12h 32mAir Canada

Deal found 7/1

$463

mié. 8/136:00 amDCA - KEF

1 stop22h 10mUnited Airlines

mar. 8/269:50 amKEF - DCA

2 stops30h 09mUnited Airlines

Deal found 6/30

$482

dom. 8/1712:55 pmDCA - KEF

2 stops15h 20mMultiple Airlines

mar. 8/269:50 amKEF - DCA

1 stop13h 52mMultiple Airlines

Deal found 7/3

$501

mar. 8/193:40 pmDCA - KEF

2 stops10h 40mDelta

mar. 8/2611:25 amKEF - DCA

2 stops15h 34mDelta

Deal found 7/2

$507

Best flights from Reagan-National to Keflavik Intl
Discover carefully curated flight deals from Reagan-National to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

mié. 8/134:30 pmDCA - KEF

1 stop11h 40mAir Canada

mié. 8/209:30 amKEF - DCA

2 stops12h 32mAir Canada

Deal found 7/1

$463

mié. 8/136:00 amDCA - KEF

1 stop22h 10mUnited Airlines

mar. 8/269:50 amKEF - DCA

2 stops30h 09mUnited Airlines

Deal found 6/30

$482

dom. 8/1712:55 pmDCA - KEF

2 stops15h 20mMultiple Airlines

mar. 8/269:50 amKEF - DCA

1 stop13h 52mMultiple Airlines

Deal found 7/3

$501

mar. 8/193:40 pmDCA - KEF

2 stops10h 40mDelta

mar. 8/2611:25 amKEF - DCA

2 stops15h 34mDelta

Deal found 7/2

$507

Last-minute flights from Reagan-National to Keflavik Intl
Discover last-minute flight deals from Reagan-National to Keflavik Intl. Data last updated julio 3, 2025 and is based on user searches.

mar. 7/88:40 amDCA - KEF

1 stop9h 05mIcelandair

mar. 7/158:10 pmKEF - DCA

1 stop17h 31mIcelandair

Deal found 7/2

$776

jue. 7/108:40 amDCA - KEF

1 stop9h 05mMultiple Airlines

sáb. 7/198:10 pmKEF - DCA

1 stop15h 55mMultiple Airlines

Deal found 7/2

$943

jue. 7/109:40 amDCA - KEF

1 stop18h 30mUnited Airlines

sáb. 7/199:30 amKEF - DCA

2 stops32h 52mUnited Airlines

Deal found 7/2

$1,074

vie. 7/1112:29 pmDCA - KEF

2 stops17h 01mVirgin Atlantic

vie. 7/2511:25 amKEF - DCA

2 stops14h 19mVirgin Atlantic

Deal found 6/30

$1,106

sáb. 7/126:00 amDCA - KEF

2 stops22h 15mAir Canada

sáb. 7/199:30 amKEF - DCA

1 stop16h 18mAir Canada

Deal found 7/2

$976

mié. 8/134:30 pmDCA - KEF

1 stop11h 40mAir Canada

mié. 8/209:30 amKEF - DCA

2 stops12h 32mAir Canada

Deal found 7/1

$463

mié. 8/136:00 amDCA - KEF

1 stop22h 10mUnited Airlines

mar. 8/269:50 amKEF - DCA

2 stops30h 09mUnited Airlines

Deal found 6/30

$482

dom. 8/1712:55 pmDCA - KEF

2 stops15h 20mMultiple Airlines

mar. 8/269:50 amKEF - DCA

1 stop13h 52mMultiple Airlines

Deal found 7/3

$501

mar. 8/193:40 pmDCA - KEF

2 stops10h 40mDelta

mar. 8/2611:25 amKEF - DCA

2 stops15h 34mDelta

Deal found 7/2

$507

One-way flights from Reagan-National to Keflavik Intl
Search for one-way flight options from Reagan-National to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

mié. 9/176:05 amDCA - KEF

2 stops29h 15mScandinavian Airlines

Deal found 7/3

$389

mar. 8/56:00 amDCA - KEF

1 stop22h 10mUnited Airlines

Deal found 7/3

$390

mar. 7/2912:10 pmDCA - KEF

2 stops14h 10mKLM

Deal found 7/3

$395

dom. 7/276:59 amDCA - KEF

1 stop21h 16mAir Canada

Deal found 7/3

$397

mar. 7/158:40 pmDCA - KEF

2 stops28h 05mMultiple Airlines

Deal found 7/1

$405

dom. 10/269:00 amDCA - KEF

1 stop8h 50mIcelandair

Deal found 7/2

$582

jue. 10/96:38 amDCA - KEF

2 stops23h 02mBritish Airways

Deal found 6/30

$1,130

jue. 10/97:06 pmDCA - KEF

2 stops32h 54mFinnair

Deal found 7/1

$1,139

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mié. 8/13

4:30 pm-8:10 am

1 stop11h 40m

Reykjavik Keflavik Intl

mié. 8/20

9:30 am-6:02 pm

2 stops12h 32m

$463

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mié. 8/13

6:00 am-8:10 am

1 stop22h 10m

Reykjavik Keflavik Intl

mar. 8/26

9:50 am-11:59 am

2 stops30h 09m

$482

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

dom. 8/17

12:55 pm-8:15 am

2 stops15h 20m

Reykjavik Keflavik Intl

mar. 8/26

9:50 am-7:42 pm

1 stop13h 52m

$501

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 8/19

3:40 pm-6:20 am

2 stops10h 40m

Reykjavik Keflavik Intl

mar. 8/26

8:50 am-6:59 pm

2 stops14h 09m

$507

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mié. 9/17

6:05 am-3:20 pm

2 stops29h 15m

$389

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 8/5

6:00 am-8:10 am

1 stop22h 10m

$390

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 7/29

12:10 pm-6:20 am

2 stops14h 10m

$395

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

dom. 7/27

6:00 am-8:15 am

2 stops22h 15m

$397

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

mar. 7/15

8:40 pm-4:45 am

2 stops28h 05m

$405

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

dom. 10/26

9:00 am-9:50 pm

1 stop8h 50m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 12 results

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National 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

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport, such as Delta, KLM, and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

1,367 reviews

Delta

8.0

Very good

7,982 reviews

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!

Finnair

7.6

Good

1,306 reviews

Delta

8.0

Very good

7,982 reviews

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

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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!

Scandinavian Airlines

7.3

Good

1,416 reviews

Delta

8.0

Very good

7,982 reviews

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

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport round-trip?
Currently priced at $463, Air Canada will fly you from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $482 and $507, respectively. You may be able to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport for 40% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport one-way?
The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $389. However, be on the lookout for offers from United Airlines and KLM, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport for a low price.
Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.
Can I find deals for business class flights from Reagan-National to Keflavik Intl?
Yes. Cheapflights offers flight deals from Reagan-National 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 Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. Reagan-National Airport 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

Keflavik

Hveragerdi

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Top airline flying from Reagan-National to Keflavik Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$355	Average$467	FlexibilityNo cancel fee	On-time76%

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$389+ Cheap flights from Reagan-National (DCA) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Keflavik Intl with Cheapflights

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Cheap flight deals from Reagan-National to Keflavik Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik IntlExplore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Reviews of airlines servicing Keflavik Intl

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport, such as Delta, KLM, and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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 are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport one-way?

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

How can I find direct flights from Reagan-National to Keflavik Intl?

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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Complete your trip to Keflavik Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Top airline flying from Reagan-National to Keflavik Intl

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Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.