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

One-way options have recently been found by users for as low as $397 on Air Canada. Other airlines that offer cheap prices include United Airlines from $401 and Finnair from $404 one-way.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Finland (average of $444). Flying from Washington, D.C. Reagan-National Airport to Finland in June is currently the most expensive (average of $1,084). 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 Finland ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Finland when rainfall is around 1.2 in.

If weather is an important factor for your trip to Finland, 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 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

What are the most popular routes from Washington, D.C. Reagan-National Airport to Finland?

The most popular flight routes from Washington, D.C. Reagan-National Airport to Finland are Washington, D.C. Reagan-National - Helsinki-Vantaa, Washington, D.C. Reagan-National - Oulu and Washington, D.C. Reagan-National - Joensuu.

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

To save up to 54% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Reagan-National Airport to Finland from $573 1-2 weeks out and tickets from $573 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of November. Prices to Finland from Washington, D.C. Reagan-National Airport average $556. You can even find prices in November for less than $556, as users have found deals to Finland from as low as $349. The month of June appears to be one of the more expensive times to travel to Finland from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 51%.

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

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

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

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

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

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

$955+ Flights from Washington, D.C. Reagan-National Airport to Finland

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Cheap flight deals from Reagan-National to Finland

Round-trip from	$512 (American Airlines)
One-way from	$397 (Priceline)
Popular in	June
Cheapest in	November
Average price	$710

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($186 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($26 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 Finland

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

jue. 9/257:23 pmDCA - HEL

1 stop11h 37mAmerican Airlines

dom. 9/285:15 pmHEL - DCA

1 stop12h 52mAmerican Airlines

Deal found 7/3

$512

dom. 11/306:59 amDCA - HEL

2 stops23h 11mAir Canada

dom. 12/1412:45 pmHEL - DCA

2 stops36h 20mAir Canada

Deal found 6/30

$515

mar. 12/212:00 pmDCA - HEL

2 stops21h 00mDelta

vie. 12/126:30 amHEL - DCA

2 stops22h 23mDelta

Deal found 6/30

$531

mar. 12/239:40 amDCA - HEL

2 stops32h 35mUnited Airlines

mar. 12/307:05 amHEL - DCA

2 stops32h 50mUnited Airlines

Deal found 7/3

$545

dom. 8/316:05 amDCA - HEL

2 stops26h 20mScandinavian Airlines

vie. 9/511:15 amHEL - DCA

2 stops18h 00mScandinavian Airlines

Deal found 6/30

$582

dom. 9/76:59 amDCA - HEL

2 stops20h 36mMultiple Airlines

vie. 9/1211:15 amHEL - DCA

2 stops15h 29mMultiple Airlines

Deal found 7/2

$644

dom. 11/305:58 pmDCA - HEL

1 stop12h 57mFinnair

vie. 12/124:50 pmHEL - DCA

1 stop12h 48mFinnair

Deal found 6/30

$662

dom. 9/73:35 pmDCA - HEL

2 stops13h 45mBritish Airways

vie. 9/125:15 pmHEL - DCA

1 stop12h 52mBritish Airways

Deal found 7/2

$743

dom. 8/177:20 pmDCA - OUL

2 stops22h 40mMultiple Airlines

dom. 12/219:05 amOUL - DCA

2 stops18h 51mMultiple Airlines

Deal found 7/2

$813

mié. 9/107:00 pmDCA - KEM

2 stops17h 55mFinnair

mar. 9/235:25 amKEM - DCA

2 stops24h 42mFinnair

Deal found 7/2

$885

mié. 9/107:00 pmDCA - RVN

2 stops35h 35mFinnair

mar. 9/239:20 amRVN - DCA

2 stops20h 47mFinnair

Deal found 7/3

$919

mié. 8/137:20 pmDCA - OUL

2 stops15h 35mFinnair

sáb. 12/209:05 amOUL - DCA

2 stops20h 35mFinnair

Deal found 7/1

$1,051

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

jue. 9/257:23 pmDCA - HEL

1 stop11h 37mAmerican Airlines

dom. 9/285:15 pmHEL - DCA

1 stop12h 52mAmerican Airlines

Deal found 7/3

$512

dom. 11/306:59 amDCA - HEL

2 stops23h 11mAir Canada

dom. 12/1412:45 pmHEL - DCA

2 stops36h 20mAir Canada

Deal found 6/30

$515

mar. 12/212:00 pmDCA - HEL

2 stops21h 00mDelta

vie. 12/126:30 amHEL - DCA

2 stops22h 23mDelta

Deal found 6/30

$531

mar. 12/239:40 amDCA - HEL

2 stops32h 35mUnited Airlines

mar. 12/307:05 amHEL - DCA

2 stops32h 50mUnited Airlines

Deal found 7/3

$545

dom. 8/316:05 amDCA - HEL

2 stops26h 20mScandinavian Airlines

vie. 9/511:15 amHEL - DCA

2 stops18h 00mScandinavian Airlines

Deal found 6/30

$582

dom. 9/76:59 amDCA - HEL

2 stops20h 36mMultiple Airlines

vie. 9/1211:15 amHEL - DCA

2 stops15h 29mMultiple Airlines

Deal found 7/2

$644

dom. 11/305:58 pmDCA - HEL

1 stop12h 57mFinnair

mar. 12/164:50 pmHEL - DCA

1 stop12h 48mFinnair

Deal found 6/30

$662

dom. 9/73:35 pmDCA - HEL

2 stops13h 45mBritish Airways

vie. 9/125:15 pmHEL - DCA

1 stop12h 52mBritish Airways

Deal found 7/2

$743

dom. 8/177:20 pmDCA - OUL

2 stops22h 40mMultiple Airlines

dom. 12/219:05 amOUL - DCA

2 stops18h 51mMultiple Airlines

Deal found 7/2

$813

mié. 9/107:00 pmDCA - KEM

2 stops17h 55mFinnair

mar. 9/235:25 amKEM - DCA

2 stops24h 42mFinnair

Deal found 7/2

$885

mié. 9/107:00 pmDCA - RVN

2 stops35h 35mFinnair

mar. 9/239:20 amRVN - DCA

2 stops20h 47mFinnair

Deal found 7/2

$919

mié. 8/137:20 pmDCA - OUL

2 stops15h 35mFinnair

sáb. 12/209:05 amOUL - DCA

2 stops20h 35mFinnair

Deal found 7/1

$1,051

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

mar. 7/82:54 pmDCA - HEL

2 stops17h 16mIberia

mar. 8/125:15 pmHEL - DCA

1 stop13h 03mIberia

Deal found 7/1

$6,771

mié. 7/97:06 pmDCA - HEL

1 stop11h 54mFinnair

sáb. 7/195:15 pmHEL - DCA

1 stop12h 56mFinnair

Deal found 7/2

$3,576

jue. 7/1012:10 pmDCA - HEL

2 stops17h 50mDelta

mié. 7/161:55 pmHEL - DCA

2 stops16h 40mDelta

Deal found 7/1

$802

jue. 7/102:54 pmDCA - HEL

2 stops14h 26mBritish Airways

mié. 7/165:15 pmHEL - DCA

1 stop12h 56mBritish Airways

Deal found 7/1

$1,298

jue. 7/101:25 pmDCA - HEL

3 stops20h 05mScandinavian Airlines

mié. 7/169:35 amHEL - DCA

3 stops21h 00mScandinavian Airlines

Deal found 7/1

$1,402

jue. 7/103:54 pmDCA - HEL

1 stop15h 21mAmerican Airlines

mié. 7/165:15 pmHEL - DCA

1 stop21h 34mAmerican Airlines

Deal found 7/1

$1,457

sáb. 8/91:00 pmDCA - HEL

2 stops15h 55mUnited Airlines

jue. 8/146:10 amHEL - DCA

2 stops18h 18mUnited Airlines

Deal found 7/1

$846

lun. 8/114:40 pmDCA - HEL

2 stops16h 05mBritish Airways

sáb. 8/169:05 pmHEL - DCA

2 stops25h 52mBritish Airways

Deal found 7/2

$892

mié. 8/137:20 pmDCA - OUL

2 stops15h 35mFinnair

sáb. 12/209:05 amOUL - DCA

2 stops20h 35mFinnair

Deal found 7/1

$1,051

vie. 8/153:40 pmDCA - HEL

2 stops18h 00mDelta

vie. 8/226:40 amHEL - DCA

2 stops19h 19mDelta

Deal found 6/30

$656

vie. 8/157:20 pmDCA - RVN

2 stops18h 40mFinnair

vie. 8/225:30 amRVN - DCA

2 stops24h 48mFinnair

Deal found 7/1

$1,296

sáb. 8/166:50 pmDCA - TKU

2 stops15h 05mMultiple Airlines

sáb. 8/232:25 pmTKU - DCA

2 stops49h 32mMultiple Airlines

Deal found 7/2

$1,512

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

mar. 8/124:30 pmDCA - HEL

2 stops19h 25mAir Canada

Deal found 7/3

$397

dom. 8/104:30 pmDCA - HEL

2 stops25h 10mUnited Airlines

Deal found 7/3

$401

dom. 8/107:20 pmDCA - HEL

1 stop11h 40mFinnair

Deal found 7/3

$404

dom. 8/317:20 pmDCA - HEL

1 stop11h 40mAmerican Airlines

Deal found 7/1

$444

vie. 8/2911:00 amDCA - HEL

2 stops16h 35mDelta

Deal found 7/1

$463

mar. 8/128:50 amDCA - HEL

3 stops18h 25mMultiple Airlines

Deal found 7/3

$1,023

lun. 8/41:25 pmDCA - HEL

3 stops20h 05mScandinavian Airlines

Deal found 6/30

$2,621

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

jue. 9/25

7:23 pm-2:00 pm

1 stop11h 37m

Helsinki-Vantaa

dom. 9/28

5:15 pm-11:07 pm

1 stop12h 52m

$512

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

dom. 11/30

6:59 am-1:10 pm

2 stops23h 11m

Helsinki-Vantaa

dom. 12/14

12:45 pm-6:05 pm

2 stops36h 20m

$515

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 12/2

12:00 pm-4:00 pm

2 stops21h 00m

Helsinki-Vantaa

mar. 12/16

6:30 am-11:29 pm

2 stops23h 59m

$531

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 12/23

9:40 am-1:15 am

2 stops32h 35m

Helsinki-Vantaa

mar. 12/30

7:05 am-8:55 am

2 stops32h 50m

$545

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

dom. 8/31

6:05 am-3:25 pm

2 stops26h 20m

Helsinki-Vantaa

vie. 9/5

11:15 am-10:15 pm

2 stops18h 00m

$582

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

dom. 9/7

6:59 am-10:35 am

2 stops20h 36m

Helsinki-Vantaa

vie. 9/12

11:15 am-7:44 pm

2 stops15h 29m

$644

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

dom. 11/30

5:58 pm-1:55 pm

1 stop12h 57m

Helsinki-Vantaa

mar. 12/16

4:50 pm-10:38 pm

1 stop12h 48m

$662

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

dom. 9/7

3:35 pm-12:20 pm

2 stops13h 45m

Helsinki-Vantaa

vie. 9/12

5:15 pm-11:07 pm

1 stop12h 52m

$743

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

dom. 8/17

7:20 pm-1:00 am

2 stops22h 40m

Oulu

dom. 12/21

9:05 am-8:56 pm

2 stops18h 51m

$813

Washington, D.C.Kemi

DCA - KEM

DCAKEM

Washington, D.C. Reagan-National

mié. 9/10

7:00 pm-7:55 pm

2 stops17h 55m

Kemi/Tornio

mar. 9/23

5:25 am-11:07 pm

2 stops24h 42m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 22 results

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

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

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

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 Finland as you normally would.

Reviews of airlines servicing Finland

See what other customers who have flown with Delta, Finnair, and United Airlines from Washington, D.C. Reagan-National Airport to Finland have to say. You can also see how each airline compares in terms of 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!

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!

American Airlines

7.2

Good

10,000 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 to fly from Washington, D.C. Reagan-National Airport to Finland one-way?
One-way options have recently been found by users for as low as $397 on Air Canada. Other airlines that offer cheap prices include United Airlines from $401 and Finnair from $404 one-way.
What are the most popular routes from Washington, D.C. Reagan-National Airport to Finland?
The most popular flight routes from Washington, D.C. Reagan-National Airport to Finland are Washington, D.C. Reagan-National - Helsinki-Vantaa, Washington, D.C. Reagan-National - Oulu and Washington, D.C. Reagan-National - Joensuu.
Can I find deals for flights from Reagan-National to Finland that include hotel bookings?
Yes. In addition to deals on Reagan-National to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Finland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Finland.
Can I find deals for business class flights from Reagan-National to Finland?
Yes. Cheapflights offers flight deals from Reagan-National to Finland 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 Finland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Finland (average of $444). Flying from Washington, D.C. Reagan-National Airport to Finland in June is currently the most expensive (average of $1,084). 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 Finland

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Reagan-National to Frankfurt flights

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Dulles Intl to Vicenza flights

Top 2 airlines flying from Reagan-National to Finland

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$430	Average$691	FlexibilityNo cancel fee	On-time71%
Finnair	Cheapest$652	Average$667	FlexibilityNo cancel fee	On-time76%

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$397+ Cheap flights from Reagan-National (DCA) to Finland

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Finland with Cheapflights

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Cheap flight deals from Reagan-National to Finland

Keep the following information in mind while searching for Reagan-National to Finland flight deals. Data was last updated julio 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Finland

Cheapest flights from Reagan-National to FinlandExplore the most affordable flight options available from Reagan-National to Finland. 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 Finland. 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 Finland that are best for you.

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

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

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

Find hourly flight availability from Reagan-National to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

Reviews of airlines servicing Finland

See what other customers who have flown with Delta, Finnair, and United Airlines from Washington, D.C. Reagan-National Airport to Finland have to say. You can also see how each airline compares 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 Reagan-National to Finland. 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 Finland one-way?

What are the most popular routes from Washington, D.C. Reagan-National Airport to Finland?

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

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

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

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

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 Finland

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

Top 2 airlines flying from Reagan-National to Finland

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