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

$390 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on KLM and Air Canada, with prices starting from $395 and $397, respectively.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Iceland (average of $328). Flying from Washington, D.C. Reagan-National Airport to Iceland 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 Iceland 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 Iceland when rainfall is around 1.6 in.

If weather is an important factor for your trip to Iceland, 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).

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 32 days in advance, which can save you up to 65% on flights from Washington, D.C. Reagan-National Airport to Iceland compared to booking the week you need them. Waiting 32 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $450. For sooner than that we have options available in the next 3 days from $529.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Iceland?

September is one of the best times of the year to fly to Iceland from Washington, D.C. Reagan-National Airport. Prices for September average $460 per person but you can even find prices for as low as $250. The most expensive prices can be found in the month of June. Opting for a September flight can save you 17% on your journey compared to booking in June

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Iceland as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Reagan-National to Iceland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$309+ Flights from Washington, D.C. Reagan-National Airport to Iceland

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Cheap flight deals from Reagan-National to Iceland

Round-trip from	$505 (United Airlines)
One-way from	$309 (Mytrip)
Popular in	June
Cheapest in	September
Average price	$531

From Washington, D.C. Reagan-National to Iceland

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One-way flight from Washington, D.C. Reagan-National to Iceland

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 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 Iceland

Cheapest flights from Reagan-National to Iceland
Explore the most affordable flight options available from Reagan-National to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Wed 8/279:40 amDCA - KEF

1 stop18h 30mUnited Airlines

Wed 9/39:30 amKEF - DCA

2 stops32h 46mUnited Airlines

Deal found 7/30

$505

Fri 8/224:30 pmDCA - KEF

1 stop11h 50mAir Canada

Thu 8/289:30 amKEF - DCA

1 stop16h 18mAir Canada

Deal found 7/31

$523

Tue 9/26:00 amDCA - KEF

1 stop20h 20mDelta

Wed 9/108:45 amKEF - DCA

1 stop11h 48mDelta

Deal found 7/30

$532

Tue 8/129:40 amDCA - KEF

1 stop16h 40mMultiple Airlines

Tue 8/198:50 amKEF - DCA

1 stop11h 43mMultiple Airlines

Deal found 7/31

$542

Tue 9/211:00 amDCA - KEF

1 stop18h 30mVirgin Atlantic

Sun 9/711:25 amKEF - DCA

1 stop16h 16mVirgin Atlantic

Deal found 7/31

$581

Best flights from Reagan-National to Iceland
Discover carefully curated flight deals from Reagan-National to Iceland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Wed 8/279:40 amDCA - KEF

1 stop18h 30mUnited Airlines

Wed 9/39:30 amKEF - DCA

2 stops32h 46mUnited Airlines

Deal found 7/30

$505

Fri 8/224:30 pmDCA - KEF

1 stop11h 50mAir Canada

Thu 8/289:30 amKEF - DCA

1 stop16h 18mAir Canada

Deal found 7/31

$523

Tue 9/26:00 amDCA - KEF

1 stop20h 20mDelta

Wed 9/108:45 amKEF - DCA

1 stop11h 48mDelta

Deal found 7/30

$532

Tue 8/121:40 pmDCA - KEF

2 stops12h 40mMultiple Airlines

Tue 8/198:50 amKEF - DCA

2 stops12h 30mMultiple Airlines

Deal found 7/31

$542

Tue 9/211:00 amDCA - KEF

1 stop18h 30mVirgin Atlantic

Sun 9/711:25 amKEF - DCA

1 stop16h 16mVirgin Atlantic

Deal found 7/31

$581

Last-minute flights from Reagan-National to Iceland
Discover last-minute flight deals from Reagan-National to Iceland. Data last updated July 31, 2025 and is based on user searches.

Tue 8/59:39 amDCA - KEF

1 stop16h 41mDelta

Fri 8/159:30 amKEF - DCA

1 stop18h 04mDelta

Deal found 7/30

$581

Thu 8/77:25 amDCA - KEF

1 stop21h 05mUnited Airlines

Thu 8/219:30 amKEF - DCA

1 stop28h 48mUnited Airlines

Deal found 7/31

$529

Thu 8/712:55 pmDCA - KEF

2 stops15h 15mAir Canada

Wed 8/209:30 amKEF - DCA

1 stop16h 18mAir Canada

Deal found 7/31

$536

Tue 8/125:30 pmDCA - KEF

1 stop8h 50mMultiple Airlines

Tue 8/198:50 amKEF - DCA

1 stop11h 43mMultiple Airlines

Deal found 7/30

$542

Tue 8/1212:29 pmDCA - KEF

1 stop13h 51mDelta

Thu 8/219:30 amKEF - DCA

1 stop12h 29mDelta

Deal found 7/31

$551

Fri 8/224:30 pmDCA - KEF

1 stop11h 50mAir Canada

Thu 8/289:30 amKEF - DCA

1 stop16h 18mAir Canada

Deal found 7/31

$523

Wed 8/279:40 amDCA - KEF

1 stop18h 30mUnited Airlines

Wed 9/39:30 amKEF - DCA

2 stops32h 46mUnited Airlines

Deal found 7/30

$505

One-way flights from Reagan-National to Iceland
Search for one-way flight options from Reagan-National to Iceland. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Mon 9/296:00 amDCA - KEF

3 stops22h 15mMultiple Airlines

Deal found 7/31

$309

Wed 8/66:00 amDCA - KEF

1 stop22h 10mUnited Airlines

Deal found 7/30

$390

Fri 8/1512:00 pmDCA - KEF

1 stop15h 00mKLM

Deal found 7/31

$395

Thu 8/711:00 amDCA - KEF

1 stop17h 15mAir Canada

Deal found 7/30

$397

Fri 8/1510:00 amDCA - KEF

2 stops17h 00mDelta

Deal found 7/30

$400

Wed 9/176:05 amDCA - KEF

2 stops37h 45mScandinavian Airlines

Deal found 7/30

$414

Wed 10/86:38 amDCA - KEF

2 stops23h 02mBritish Airways

Deal found 7/30

$474

Sun 10/267:06 pmDCA - KEF

2 stops34h 09mFinnair

Deal found 7/30

$482

Wed 10/152:59 pmDCA - KEF

1 stop13h 46mIcelandair

Deal found 7/30

$556

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Iceland 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

Wed 8/27

9:40 am-8:10 am

1 stop18h 30m

Reykjavik Keflavik Intl

Wed 9/3

9:30 am-2:16 pm

2 stops32h 46m

$505

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 8/22

4:30 pm-8:20 am

1 stop11h 50m

Reykjavik Keflavik Intl

Thu 8/28

9:30 am-9:48 pm

1 stop16h 18m

$523

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 9/2

6:00 am-6:20 am

1 stop20h 20m

Reykjavik Keflavik Intl

Wed 9/10

8:45 am-4:33 pm

1 stop11h 48m

$532

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 8/12

1:40 pm-6:20 am

2 stops12h 40m

Reykjavik Keflavik Intl

Tue 8/19

8:50 am-5:20 pm

2 stops12h 30m

$542

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 9/2

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Sun 9/7

11:25 am-11:41 pm

1 stop16h 16m

$581

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 9/29

6:00 am-8:15 am

3 stops22h 15m

$309

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 8/6

6:00 am-8:10 am

1 stop22h 10m

$390

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 8/15

12:00 pm-7:00 am

1 stop15h 00m

$395

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 8/7

11:00 am-8:15 am

1 stop17h 15m

$397

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 8/15

10:00 am-7:00 am

2 stops17h 00m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 14 results

Best time to book a flight from Reagan-National to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Iceland

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Iceland

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Iceland, 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

7,981 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

7,981 reviews

Delta

8.0

Very good

7,981 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

1,383 reviews

Delta

8.0

Very good

7,981 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

1,316 reviews

Delta

8.0

Very good

7,981 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

8,900 reviews

Delta

8.0

Very good

7,981 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

7.4

Good

1,457 reviews

Delta

8.0

Very good

7,981 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 to fly from Washington, D.C. Reagan-National Airport to Iceland one-way?
$390 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on KLM and Air Canada, with prices starting from $395 and $397, respectively.
Can I find deals for flights from Reagan-National to Iceland that include hotel bookings?
Yes. In addition to deals on Reagan-National to Iceland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Iceland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Iceland.
Can I find deals for business class flights from Reagan-National to Iceland?
Yes. Cheapflights offers flight deals from Reagan-National to Iceland 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 Iceland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Iceland (average of $328). Flying from Washington, D.C. Reagan-National Airport to Iceland 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Reagan-National to Iceland

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Dulles Intl to Bruxelles-National flights

Dulles Intl to Sabiha Gokcen flights

Baltimore to Athens flights

Top airline flying from Reagan-National to Iceland

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

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$309+ Cheap flights from Reagan-National (DCA) to Iceland

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Iceland with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Iceland

Keep the following information in mind while searching for Reagan-National to Iceland flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Iceland

Cheapest flights from Reagan-National to IcelandExplore the most affordable flight options available from Reagan-National to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Reagan-National to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to Iceland

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Iceland

Reviews of airlines servicing Iceland

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Iceland, 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 Iceland. 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 to fly from Washington, D.C. Reagan-National Airport to Iceland one-way?

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

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

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

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

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.

Alternative routes for Reagan-National to Iceland

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Reagan-National to Iceland

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Iceland
Explore the most affordable flight options available from Reagan-National to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.