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

For one-way options, check prices for Finnair. According to our data, you can fly for as low as $692. Users have also found prices from $700 and $702 on British Airways and American Airlines, respectively.

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 March is currently the most expensive (average of $335). 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 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).

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 59 days in advance to save up to 62% 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 59 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 $647, or $795 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 $631. Cheapflights users have found deals in the month of February for as cheap as $457. The most expensive prices can be found in the month of June.

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.

$470+ Flights from Finland to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Finland to Reagan-National

Round-trip from	$470 (Ticket)
Popular in	June
Cheapest in	February
Average price	$593

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

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 3, 2025.

Thu 10/236:10 amHEL - DCA

2 stops22h 41mAir Canada

Sat 11/84:10 pmDCA - HEL

2 stops19h 40mAir Canada

Deal found 9/1

$470

Mon 10/206:00 amHEL - DCA

2 stops23h 34mAir Canada

Mon 11/34:10 pmDCA - HEL

2 stops19h 40mAir Canada

Deal found 8/31

$490

Mon 9/151:55 pmHEL - DCA

2 stops16h 46mDelta

Mon 9/225:00 pmDCA - HEL

2 stops16h 40mDelta

Deal found 9/1

$494

Mon 10/205:15 pmHEL - DCA

1 stop12h 42mMultiple Airlines

Mon 11/35:45 pmDCA - HEL

1 stop13h 10mMultiple Airlines

Deal found 8/31

$497

Fri 9/195:15 pmHEL - DCA

1 stop12h 52mFinnair

Fri 9/267:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 9/2

$498

Thu 11/207:00 amHEL - DCA

2 stops19h 53mDelta

Sun 11/232:59 pmDCA - HEL

2 stops15h 11mDelta

Deal found 9/1

$500

Fri 9/197:00 amHEL - DCA

2 stops17h 57mDelta

Fri 9/261:20 pmDCA - HEL

2 stops16h 40mDelta

Deal found 9/2

$501

Thu 11/204:50 pmHEL - DCA

1 stop24h 27mAmerican Airlines

Sun 11/2312:26 pmDCA - HEL

1 stop18h 29mAmerican Airlines

Deal found 8/31

$506

Thu 10/1612:35 pmHEL - DCA

1 stop15h 18mAmerican Airlines

Thu 10/237:06 pmDCA - HEL

1 stop11h 54mAmerican Airlines

Deal found 9/1

$508

Thu 10/236:10 amHEL - DCA

2 stops35h 10mUnited Airlines

Sat 11/812:30 pmDCA - HEL

2 stops17h 35mUnited Airlines

Deal found 9/2

$510

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 September 3, 2025.

Thu 10/236:10 amHEL - DCA

2 stops22h 41mAir Canada

Sat 11/84:10 pmDCA - HEL

2 stops19h 40mAir Canada

Deal found 9/1

$470

Mon 9/151:55 pmHEL - DCA

2 stops16h 47mDelta

Mon 9/226:45 pmDCA - HEL

2 stops14h 55mDelta

Deal found 8/31

$494

Mon 10/205:15 pmHEL - DCA

1 stop12h 42mMultiple Airlines

Mon 11/35:45 pmDCA - HEL

1 stop13h 10mMultiple Airlines

Deal found 8/31

$497

Fri 9/195:15 pmHEL - DCA

1 stop12h 52mFinnair

Fri 9/267:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 9/2

$498

Thu 10/235:15 pmHEL - DCA

1 stop12h 42mAmerican Airlines

Sat 11/85:45 pmDCA - HEL

1 stop13h 10mAmerican Airlines

Deal found 9/1

$506

Mon 10/206:00 amHEL - DCA

2 stops23h 34mAir Canada

Mon 11/34:10 pmDCA - HEL

2 stops19h 40mAir Canada

Deal found 8/31

$490

Thu 11/207:00 amHEL - DCA

2 stops19h 36mDelta

Sun 11/232:59 pmDCA - HEL

2 stops15h 11mDelta

Deal found 8/31

$500

Fri 9/197:00 amHEL - DCA

2 stops17h 57mDelta

Fri 9/261:20 pmDCA - HEL

2 stops16h 40mDelta

Deal found 9/2

$501

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

Mon 9/151:55 pmHEL - DCA

2 stops16h 46mDelta

Mon 9/225:00 pmDCA - HEL

2 stops16h 40mDelta

Deal found 9/1

$494

Fri 9/195:15 pmHEL - DCA

1 stop12h 52mFinnair

Fri 9/267:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 9/2

$498

Fri 9/197:00 amHEL - DCA

2 stops17h 57mDelta

Fri 9/261:20 pmDCA - HEL

2 stops16h 40mDelta

Deal found 9/2

$501

Thu 10/1612:35 pmHEL - DCA

1 stop15h 18mAmerican Airlines

Thu 10/237:06 pmDCA - HEL

1 stop11h 54mAmerican Airlines

Deal found 9/1

$508

Thu 10/167:00 amHEL - DCA

2 stops17h 10mDelta

Thu 10/2312:42 pmDCA - HEL

2 stops17h 18mDelta

Deal found 9/1

$537

Thu 10/236:10 amHEL - DCA

2 stops22h 41mAir Canada

Sat 11/84:10 pmDCA - HEL

2 stops19h 40mAir Canada

Deal found 9/1

$470

Thu 10/235:15 pmHEL - DCA

1 stop12h 42mAmerican Airlines

Sat 11/85:45 pmDCA - HEL

1 stop13h 10mAmerican Airlines

Deal found 9/1

$506

Thu 10/236:10 amHEL - DCA

2 stops35h 10mUnited Airlines

Sat 11/812:30 pmDCA - HEL

2 stops17h 35mUnited Airlines

Deal found 9/2

$510

Thu 10/235:15 pmHEL - DCA

1 stop12h 42mFinnair

Sat 11/85:45 pmDCA - HEL

1 stop13h 10mFinnair

Deal found 9/3

$525

Sat 10/2512:35 pmHEL - DCA

2 stops16h 16mAir Canada

Mon 11/104:10 pmDCA - HEL

2 stops19h 40mAir Canada

Deal found 9/1

$551

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 September 3, 2025.

Thu 10/167:40 amHEL - DCA

3 stops43h 49mMultiple Airlines

Deal found 8/31

$654

Mon 9/158:05 amHEL - DCA

3 stops39h 54mMultiple Airlines

Deal found 9/2

$673

Thu 10/165:15 pmHEL - DCA

1 stop12h 42mFinnair

Deal found 8/31

$692

Wed 10/15:15 pmHEL - DCA

1 stop12h 52mBritish Airways

Deal found 9/1

$700

Thu 10/165:15 pmHEL - DCA

1 stop12h 42mAmerican Airlines

Deal found 8/31

$702

Thu 10/1611:05 amHEL - DCA

2 stops16h 54mBritish Airways

Deal found 8/31

$705

Tue 10/141:55 pmHEL - DCA

2 stops15h 12mKLM

Deal found 8/31

$754

Wed 10/156:40 amHEL - DCA

2 stops18h 20mDelta

Deal found 8/31

$757

Mon 10/135:15 pmHEL - DCA

1 stop12h 42mBritish Airways

Deal found 8/31

$811

Mon 10/135:15 pmHEL - DCA

2 stops26h 39mAmerican Airlines

Deal found 8/31

$816

Tue 10/1412:35 pmHEL - DCA

1 stop15h 18mAmerican Airlines

Deal found 8/31

$841

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 10/23

6:10 am-9:51 pm

2 stops22h 41m

Washington, D.C. Reagan-National

Sat 11/8

4:10 pm-6:50 pm

2 stops19h 40m

$470

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Mon 10/20

6:00 am-10:34 pm

2 stops23h 34m

Washington, D.C. Reagan-National

Mon 11/3

4:10 pm-6:50 pm

2 stops19h 40m

$490

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Mon 9/15

1:55 pm-11:42 pm

2 stops16h 47m

Washington, D.C. Reagan-National

Mon 9/22

6:45 pm-4:40 pm

2 stops14h 55m

$494

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Mon 10/20

5:15 pm-10:57 pm

1 stop12h 42m

Washington, D.C. Reagan-National

Mon 11/3

5:45 pm-1:55 pm

1 stop13h 10m

$497

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 9/19

5:15 pm-11:07 pm

1 stop12h 52m

Washington, D.C. Reagan-National

Fri 9/26

7:23 pm-2:00 pm

1 stop11h 37m

$498

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 11/20

7:00 am-7:36 pm

2 stops19h 36m

Washington, D.C. Reagan-National

Sun 11/23

2:59 pm-1:10 pm

2 stops15h 11m

$500

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 9/19

7:00 am-5:57 pm

2 stops17h 57m

Washington, D.C. Reagan-National

Fri 9/26

1:20 pm-1:00 pm

2 stops16h 40m

$501

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 10/23

5:15 pm-10:57 pm

1 stop12h 42m

Washington, D.C. Reagan-National

Sat 11/8

5:45 pm-1:55 pm

1 stop13h 10m

$506

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 10/16

7:40 am-8:29 pm

3 stops43h 49m

$654

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Mon 9/15

8:05 am-4:59 pm

3 stops39h 54m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/31

Showing 1-10 of 19 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

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

Related info for your journey

How long is the flight from Finland to Washington, D.C. Reagan-National Airport?
For as low as $494, Air Canada can have you in Washington, D.C. Reagan-National Airport from Finland in 16h 47m. Airlines will cover a distance of 4302 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Finland to Washington, D.C. Reagan-National Airport one-way?
For one-way options, check prices for Finnair. According to our data, you can fly for as low as $692. Users have also found prices from $700 and $702 on British Airways and American Airlines, respectively.
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 March is currently the most expensive (average of $335). 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.

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$470+ 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 10/23. 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 September 3, 2025.

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 September 3, 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 September 3, 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

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?

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

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 Washington, D.C. Reagan-National Airport?

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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 September 3, 2025.