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

Currently, February is the cheapest month in which you can book a flight from Finland to Washington, D.C. Reagan-National Airport (average of $278). Flying from Finland to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $344). 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.

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

Travelers have found it’s best to book a flight 15 days in advance to save up to 58% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 15 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Finland to Washington, D.C. Reagan-National Airport 1-2 weeks in advance for as low as $520, or $1,233 for flights within the next 24 hours.

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

February can be a great time to fly to Washington, D.C. Reagan-National Airport from Finland with a flight ticket averaging about $704. Cheapflights users have found deals in the month of February for as cheap as $470. The most expensive prices can be found in the month of July.

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.

$817+ Flights from Finland to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Finland to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$551 (Delta)
Popular in	July
Cheapest in	February
Average price	$595

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

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Highest demand for flights based on searches. 18% potential increase in price ($160 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find 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 May 1, 2025.

Sun 5/117:00 amHEL - DCA

2 stops18h 59mDelta

Sat 5/245:10 pmDCA - HEL

2 stops17h 30mDelta

Deal found 4/30

$551

Tue 5/206:10 amHEL - DCA

2 stops16h 39mAir Canada

Tue 5/274:35 pmDCA - HEL

2 stops19h 20mAir Canada

Deal found 4/29

$589

Tue 5/274:25 pmHEL - DCA

1 stop13h 53mMultiple Airlines

Tue 6/312:35 pmDCA - HEL

2 stops16h 45mMultiple Airlines

Deal found 4/29

$789

Sat 5/108:00 amHEL - DCA

2 stops21h 36mBritish Airways

Tue 5/133:54 pmDCA - HEL

2 stops15h 26mBritish Airways

Deal found 4/30

$802

Tue 5/275:15 pmHEL - DCA

1 stop12h 21mFinnair

Tue 6/35:49 pmDCA - HEL

1 stop13h 11mFinnair

Deal found 4/29

$821

Fri 5/3012:35 pmHEL - DCA

1 stop15h 20mAmerican Airlines

Fri 6/67:00 pmDCA - HEL

1 stop12h 00mAmerican Airlines

Deal found 4/30

$894

Fri 5/93:00 pmHEL - DCA

2 stops24h 00mIcelandair

Mon 5/124:15 pmDCA - HEL

2 stops14h 45mIcelandair

Deal found 4/30

$982

Fri 5/306:35 amHEL - DCA

2 stops23h 10mScandinavian Airlines

Fri 6/61:15 pmDCA - HEL

2 stops14h 20mScandinavian Airlines

Deal found 4/30

$1,098

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 May 1, 2025.

Sun 5/117:00 amHEL - DCA

2 stops18h 59mDelta

Sat 5/245:10 pmDCA - HEL

2 stops17h 30mDelta

Deal found 4/30

$551

Tue 5/206:10 amHEL - DCA

2 stops16h 39mAir Canada

Tue 5/274:35 pmDCA - HEL

2 stops19h 20mAir Canada

Deal found 4/29

$589

Tue 5/274:25 pmHEL - DCA

1 stop13h 53mMultiple Airlines

Tue 6/312:35 pmDCA - HEL

2 stops16h 45mMultiple Airlines

Deal found 4/29

$789

Tue 5/275:15 pmHEL - DCA

1 stop12h 21mFinnair

Tue 6/35:49 pmDCA - HEL

1 stop13h 11mFinnair

Deal found 4/29

$821

Fri 5/3012:35 pmHEL - DCA

1 stop15h 20mAmerican Airlines

Fri 6/67:00 pmDCA - HEL

1 stop12h 00mAmerican Airlines

Deal found 4/30

$894

Fri 5/306:35 amHEL - DCA

2 stops23h 10mScandinavian Airlines

Fri 6/61:15 pmDCA - HEL

2 stops14h 20mScandinavian Airlines

Deal found 4/30

$1,098

Last-minute flights from Finland to Reagan-National
Discover last-minute flight deals from Finland to Reagan-National. Data last updated May 1, 2025 and is based on user searches.

Wed 5/74:25 pmHEL - DCA

1 stop13h 53mMultiple Airlines

Wed 5/145:49 pmDCA - HEL

1 stop13h 11mMultiple Airlines

Deal found 4/30

$1,066

Fri 5/93:00 pmHEL - DCA

2 stops24h 00mIcelandair

Mon 5/124:15 pmDCA - HEL

2 stops14h 45mIcelandair

Deal found 4/30

$982

Sat 5/108:00 amHEL - DCA

2 stops21h 36mBritish Airways

Tue 5/133:54 pmDCA - HEL

2 stops15h 26mBritish Airways

Deal found 4/30

$802

Sat 5/108:00 amHEL - DCA

2 stops21h 36mBritish Airways

Fri 5/1611:40 amDCA - HEL

2 stops17h 40mBritish Airways

Deal found 4/30

$802

Sun 5/117:00 amHEL - DCA

2 stops18h 59mDelta

Sat 5/245:10 pmDCA - HEL

2 stops17h 30mDelta

Deal found 4/30

$551

Sun 5/116:10 amHEL - DCA

2 stops35h 09mAir Canada

Sun 5/256:00 amDCA - HEL

2 stops29h 55mAir Canada

Deal found 4/30

$615

Sun 5/115:15 pmHEL - DCA

1 stop12h 21mFinnair

Sun 5/255:49 pmDCA - HEL

1 stop13h 11mFinnair

Deal found 4/30

$923

Tue 5/206:10 amHEL - DCA

2 stops16h 39mAir Canada

Tue 5/274:35 pmDCA - HEL

2 stops19h 20mAir Canada

Deal found 4/29

$589

Tue 5/274:25 pmHEL - DCA

1 stop13h 53mMultiple Airlines

Tue 6/312:35 pmDCA - HEL

2 stops16h 45mMultiple Airlines

Deal found 4/29

$789

Tue 5/275:15 pmHEL - DCA

1 stop12h 21mFinnair

Tue 6/35:49 pmDCA - HEL

1 stop13h 11mFinnair

Deal found 4/29

$821

Fri 5/3012:35 pmHEL - DCA

1 stop15h 20mAmerican Airlines

Fri 6/67:00 pmDCA - HEL

1 stop12h 00mAmerican Airlines

Deal found 4/30

$894

Fri 5/306:35 amHEL - DCA

2 stops23h 10mScandinavian Airlines

Fri 6/61:15 pmDCA - HEL

2 stops14h 20mScandinavian Airlines

Deal found 4/30

$1,098

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 May 1, 2025.

Fri 7/47:45 amHEL - DCA

2 stops18h 55mMultiple Airlines

Deal found 4/30

$874

Fri 7/45:15 pmHEL - DCA

1 stop12h 52mFinnair

Deal found 4/30

$911

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

Sun 5/11

7:00 am-6:59 pm

2 stops18h 59m

Washington, D.C. Reagan-National

Sat 5/24

5:10 pm-5:40 pm

2 stops17h 30m

$551

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Tue 5/20

6:10 am-3:49 pm

2 stops16h 39m

Washington, D.C. Reagan-National

Tue 5/27

4:35 pm-6:55 pm

2 stops19h 20m

$589

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Tue 5/27

4:25 pm-11:18 pm

1 stop13h 53m

Washington, D.C. Reagan-National

Tue 6/3

12:35 pm-12:20 pm

2 stops16h 45m

$789

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Tue 5/27

5:15 pm-10:36 pm

1 stop12h 21m

Washington, D.C. Reagan-National

Tue 6/3

5:49 pm-2:00 pm

1 stop13h 11m

$821

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 5/30

12:35 pm-8:55 pm

1 stop15h 20m

Washington, D.C. Reagan-National

Fri 6/6

7:00 pm-2:00 pm

1 stop12h 00m

$894

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 5/30

6:35 am-10:45 pm

2 stops23h 10m

Washington, D.C. Reagan-National

Fri 6/6

1:15 pm-10:35 am

2 stops14h 20m

$1,098

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 7/4

7:45 am-7:40 pm

2 stops18h 55m

$874

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 7/4

5:15 pm-11:07 pm

1 stop12h 52m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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

Rainfall in Reagan-National by month

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.

Temperature in Reagan-National by month

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).

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown Delta, Finnair and Scandinavian Airlines from Finland to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Scandinavian Airlines

7.3

Good

1,349 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

9,254 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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.
What is the cheapest month to book a flight from Finland to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Finland to Washington, D.C. Reagan-National Airport (average of $278). Flying from Finland to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $344). 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

Alexandria

Arlington

Woodbridge

Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

Easton

Towson

Herndon

Bowie

National Harbor

Oxon Hill

Reston

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$551+ 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 5/11. 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

Keep the following information in mind while searching for Finland to Reagan-National flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find 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 May 1, 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 May 1, 2025.

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

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown Delta, Finnair and Scandinavian Airlines from Finland to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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?

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

Traveling to a place near Finland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Finland to Reagan-National

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

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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 May 1, 2025.