In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

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

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

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

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

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

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

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

$489+ Flights from Finland to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Finland to Reagan-National

Cheapest flights from Finland to Reagan-National
Explore the most affordable flight options available from Finland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

Tue 12/2312:30 pmHEL - DCA

1 stop15h 40mAmerican Airlines

Thu 1/85:45 pmDCA - HEL

1 stop13h 10mAmerican Airlines

Deal found 12/9

$959

Tue 12/234:50 pmHEL - DCA

1 stop23h 50mMultiple Airlines

Sat 3/145:53 pmDCA - HEL

1 stop14h 02mMultiple Airlines

Deal found 12/9

$1,150

Tue 12/237:00 amHEL - DCA

2 stops22h 50mDelta

Thu 1/811:10 amDCA - HEL

2 stops19h 00mDelta

Deal found 12/9

$1,260

Best flights from Finland to Reagan-National
Discover carefully curated flight deals from Finland to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2025.

Thu 1/84:50 pmHEL - DCA

1 stop12h 13mFinnair

Wed 1/215:45 pmDCA - HEL

1 stop13h 10mFinnair

Deal found 12/8

$489

Sun 1/114:50 pmHEL - DCA

1 stop12h 13mMultiple Airlines

Sat 1/245:45 pmDCA - HEL

1 stop13h 10mMultiple Airlines

Deal found 12/10

$489

Thu 2/197:00 amHEL - DCA

2 stops16h 56mDelta

Thu 2/2611:06 amDCA - HEL

2 stops19h 04mDelta

Deal found 12/10

$541

Sun 1/112:05 pmHEL - DCA

2 stops15h 43mAir France

Sat 1/245:00 pmDCA - HEL

2 stops17h 25mAir France

Deal found 12/10

$624

Sat 2/144:05 pmHEL - DCA

2 stops37h 07mScandinavian Airlines

Wed 2/1811:06 amDCA - HEL

2 stops31h 29mScandinavian Airlines

Deal found 12/9

$658

Sat 2/144:50 pmHEL - DCA

1 stop12h 11mAmerican Airlines

Wed 2/181:42 pmDCA - HEL

2 stops17h 13mAmerican Airlines

Deal found 12/9

$675

Last-minute flights from Finland to Reagan-National
Discover last-minute flight deals from Finland to Reagan-National. Data last updated December 10, 2025 and is based on user searches.

Tue 12/2312:30 pmHEL - DCA

1 stop15h 40mAmerican Airlines

Thu 1/85:45 pmDCA - HEL

1 stop13h 10mAmerican Airlines

Deal found 12/9

$959

Tue 12/234:50 pmHEL - DCA

1 stop23h 50mMultiple Airlines

Sat 3/145:53 pmDCA - HEL

1 stop14h 02mMultiple Airlines

Deal found 12/9

$1,150

Tue 12/237:00 amHEL - DCA

2 stops22h 50mDelta

Thu 1/811:10 amDCA - HEL

2 stops19h 00mDelta

Deal found 12/9

$1,260

Thu 1/84:50 pmHEL - DCA

1 stop12h 13mMultiple Airlines

Wed 1/211:59 pmDCA - HEL

2 stops18h 31mMultiple Airlines

Deal found 12/8

$703

Thu 1/82:05 pmHEL - DCA

2 stops33h 14mDelta

Wed 1/211:40 pmDCA - HEL

2 stops19h 45mDelta

Deal found 12/8

$795

Thu 1/84:50 pmHEL - DCA

1 stop12h 13mBritish Airways

Wed 1/211:35 pmDCA - HEL

2 stops15h 45mBritish Airways

Deal found 12/8

$805

Sun 1/114:50 pmHEL - DCA

1 stop12h 13mMultiple Airlines

Sat 1/245:45 pmDCA - HEL

1 stop13h 10mMultiple Airlines

Deal found 12/10

$489

Sun 1/112:05 pmHEL - DCA

2 stops15h 43mAir France

Sat 1/245:00 pmDCA - HEL

2 stops17h 25mAir France

Deal found 12/10

$624

Sun 1/112:05 pmHEL - DCA

2 stops16h 36mDelta

Sat 1/2411:10 amDCA - HEL

2 stops19h 00mDelta

Deal found 12/10

$687

One-way flights from Finland to Reagan-National
Search for one-way flight options from Finland to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 10, 2025.

Fri 2/137:00 amHEL - DCA

2 stops21h 34mKLM

Deal found 12/9

$717

Thu 2/54:50 pmHEL - DCA

1 stop12h 13mBritish Airways

Deal found 12/9

$727

Tue 2/107:50 amHEL - DCA

2 stops16h 00mBritish Airways

Deal found 12/9

$728

Wed 12/1712:45 pmHEL - DCA

2 stops26h 43mMultiple Airlines

Deal found 12/9

$1,122

Sat 1/33:20 pmHEL - DCA

3 stops55h 40mMultiple Airlines

Deal found 12/7

$1,719

Wed 1/287:20 amHEL - DCA

3 stops33h 53mMultiple Airlines

Deal found 12/8

$1,792

Sun 2/156:55 amHEL - DCA

2 stops15h 38mAir Canada

Deal found 12/9

$2,386

Sat 1/37:50 amHEL - DCA

2 stops18h 07mBritish Airways

Deal found 12/7

$2,473

Find flight deals from Finland to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$489 (Finnair)
Popular in	June
Cheapest in	February
Average price	$665

Provider with most accurate pricing for Helsinki-Vantaa-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Helsinki-Vantaa-Washington, D.C. (WAS) flights.

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

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 1/8

4:50 pm-10:03 pm

1 stop12h 13m

Washington, D.C. Reagan-National

Wed 1/21

5:45 pm-1:55 pm

1 stop13h 10m

$489

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Sun 1/11

4:50 pm-10:03 pm

1 stop12h 13m

Washington, D.C. Reagan-National

Sat 1/24

5:45 pm-1:55 pm

1 stop13h 10m

$489

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 2/19

7:00 am-4:56 pm

2 stops16h 56m

Washington, D.C. Reagan-National

Thu 2/26

11:06 am-1:10 pm

2 stops19h 04m

$541

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Sun 1/11

2:05 pm-10:48 pm

2 stops15h 43m

Washington, D.C. Reagan-National

Sat 1/24

5:00 pm-5:25 pm

2 stops17h 25m

$624

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Sat 2/14

4:05 pm-10:12 pm

2 stops37h 07m

Washington, D.C. Reagan-National

Wed 2/18

11:06 am-1:35 am

2 stops31h 29m

$658

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Sat 2/14

4:50 pm-10:01 pm

1 stop12h 11m

Washington, D.C. Reagan-National

Wed 2/18

1:42 pm-1:55 pm

2 stops17h 13m

$675

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 2/13

7:00 am-9:34 pm

2 stops21h 34m

$717

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Sun 5/3

4:25 pm-11:34 pm

1 stop14h 09m

$727

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 2/5

4:50 pm-10:03 pm

1 stop12h 13m

$727

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 2/13

4:50 pm-10:05 pm

1 stop12h 15m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 15 results

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Finland 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 Finland to Washington, D.C. Reagan-National Airport

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Related info for your journey

How long is the flight from Finland to Washington, D.C. Reagan-National Airport?
For as low as $489, Finnair can have you in Washington, D.C. Reagan-National Airport from Finland in 12h 13m. Airlines will cover a distance of 4302 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Finland to Reagan-National that include hotel bookings?
Yes. In addition to deals on Finland to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Finland to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Finland to Reagan-National.
Can I find deals for business class flights from Finland to Reagan-National?
Yes. Cheapflights offers flight deals from Finland to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Hanover

Silver Spring

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Fairfax

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Manassas

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Bowie

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McLean

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$489+ Cheap flights from Finland to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Finland to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Finland to Reagan-National

Cheapest flights from Finland to Reagan-NationalExplore the most affordable flight options available from Finland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

Explore the most affordable flight options available from Finland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

Find flight deals from Finland to Reagan-National

Keep the following information in mind while searching for Finland to Reagan-National flight deals. Data was last updated December 10, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Finland to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Finland to Washington, D.C. Reagan-National Airport?

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

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

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

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Cheapest flights from Finland to Reagan-National
Explore the most affordable flight options available from Finland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.