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 $406 on Air Canada. Other airlines that offer cheap prices include United Airlines from $450 and Delta from $463 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 $1,081). 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.

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 $557. You can even find prices in November for less than $557, 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.

$936+ 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	$537 (Delta)
One-way from	$406 (Priceline)
Popular in	June
Cheapest in	November
Average price	$841

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).

Search Deals

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 June 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 junio 12, 2025.

mié. 9/245:00 pmDCA - HEL

2 stops16h 40mDelta

mar. 9/307:10 amHEL - DCA

2 stops17h 55mDelta

Deal found 6/9

$537

mié. 11/2611:00 amDCA - HEL

2 stops19h 10mUnited Airlines

dom. 11/306:50 amHEL - DCA

2 stops33h 07mUnited Airlines

Deal found 6/9

$541

mié. 11/266:00 amDCA - HEL

2 stops29h 40mAir Canada

dom. 11/302:00 pmHEL - DCA

2 stops49h 57mAir Canada

Deal found 6/9

$556

mié. 12/35:49 pmDCA - HEL

2 stops14h 26mBritish Airways

lun. 12/84:50 pmHEL - DCA

1 stop12h 48mBritish Airways

Deal found 6/10

$576

vie. 12/56:59 amDCA - HEL

2 stops20h 41mMultiple Airlines

lun. 12/158:55 pmHEL - DCA

3 stops31h 58mMultiple Airlines

Deal found 6/10

$584

mié. 10/87:45 pmDCA - OUL

2 stops15h 10mFinnair

mar. 10/212:15 pmOUL - DCA

2 stops15h 40mFinnair

Deal found 6/11

$633

jue. 12/115:49 pmDCA - HEL

1 stop13h 06mFinnair

mié. 12/174:50 pmHEL - DCA

1 stop12h 48mFinnair

Deal found 6/10

$703

mié. 10/2212:34 pmDCA - HEL

2 stops19h 36mIberia

mié. 10/294:50 pmHEL - DCA

1 stop12h 05mIberia

Deal found 6/11

$724

mar. 7/2911:00 amDCA - HEL

2 stops40h 35mScandinavian Airlines

lun. 8/114:05 pmHEL - DCA

2 stops37h 07mScandinavian Airlines

Deal found 6/9

$740

mié. 8/132:54 pmDCA - HEL

1 stop16h 06mAmerican Airlines

dom. 8/244:25 pmHEL - DCA

1 stop14h 25mAmerican Airlines

Deal found 6/10

$767

mié. 12/32:00 pmDCA - HEL

2 stops16h 00mIcelandair

mié. 12/102:00 pmHEL - DCA

2 stops33h 59mIcelandair

Deal found 6/10

$813

mié. 8/136:00 pmDCA - OUL

2 stops16h 55mMultiple Airlines

sáb. 12/209:05 amOUL - DCA

2 stops18h 51mMultiple Airlines

Deal found 6/9

$836

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 junio 12, 2025.

mié. 9/245:00 pmDCA - HEL

2 stops16h 40mDelta

mar. 9/307:10 amHEL - DCA

2 stops17h 55mDelta

Deal found 6/9

$537

mié. 11/2611:00 amDCA - HEL

2 stops19h 10mUnited Airlines

dom. 11/306:50 amHEL - DCA

2 stops33h 07mUnited Airlines

Deal found 6/9

$541

mié. 11/266:00 amDCA - HEL

2 stops29h 40mAir Canada

dom. 11/302:00 pmHEL - DCA

2 stops49h 57mAir Canada

Deal found 6/9

$556

mié. 12/35:49 pmDCA - HEL

2 stops14h 26mBritish Airways

lun. 12/84:50 pmHEL - DCA

1 stop12h 48mBritish Airways

Deal found 6/10

$576

vie. 12/56:59 amDCA - HEL

2 stops20h 41mMultiple Airlines

lun. 12/158:55 pmHEL - DCA

3 stops31h 58mMultiple Airlines

Deal found 6/10

$584

mié. 10/87:45 pmDCA - OUL

2 stops15h 10mFinnair

mar. 10/212:15 pmOUL - DCA

2 stops15h 40mFinnair

Deal found 6/11

$633

mié. 10/2212:34 pmDCA - HEL

2 stops19h 36mIberia

mié. 10/294:50 pmHEL - DCA

1 stop12h 05mIberia

Deal found 6/11

$724

mar. 7/2911:00 amDCA - HEL

2 stops40h 35mScandinavian Airlines

lun. 8/114:05 pmHEL - DCA

2 stops37h 07mScandinavian Airlines

Deal found 6/9

$740

mié. 8/132:54 pmDCA - HEL

1 stop16h 06mAmerican Airlines

dom. 8/244:25 pmHEL - DCA

1 stop14h 25mAmerican Airlines

Deal found 6/10

$767

mié. 12/32:00 pmDCA - HEL

2 stops16h 00mIcelandair

mié. 12/102:00 pmHEL - DCA

2 stops33h 59mIcelandair

Deal found 6/10

$813

vie. 11/285:58 pmDCA - HEL

1 stop12h 57mFinnair

sáb. 12/64:50 pmHEL - DCA

1 stop12h 48mFinnair

Deal found 6/11

$711

mié. 8/136:00 pmDCA - OUL

2 stops16h 55mMultiple Airlines

sáb. 12/209:05 amOUL - DCA

2 stops18h 51mMultiple Airlines

Deal found 6/9

$836

Last-minute flights from Reagan-National to Finland
Discover last-minute flight deals from Reagan-National to Finland. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/177:00 pmDCA - HEL

1 stop12h 00mFinnair

lun. 6/305:15 pmHEL - DCA

1 stop12h 52mFinnair

Deal found 6/11

$2,895

mié. 6/1812:31 pmDCA - HEL

1 stop18h 44mAmerican Airlines

dom. 6/225:15 pmHEL - DCA

1 stop21h 35mAmerican Airlines

Deal found 6/12

$1,793

mié. 6/1812:00 pmDCA - HEL

2 stops16h 55mUnited Airlines

dom. 6/226:00 amHEL - DCA

2 stops19h 15mUnited Airlines

Deal found 6/12

$2,343

mié. 6/181:25 pmDCA - HEL

3 stops16h 25mScandinavian Airlines

dom. 6/2211:15 amHEL - DCA

2 stops19h 18mScandinavian Airlines

Deal found 6/11

$3,009

dom. 6/224:56 pmDCA - HEL

2 stops16h 44mDelta

jue. 7/36:40 amHEL - DCA

2 stops19h 16mDelta

Deal found 6/10

$954

dom. 6/223:59 pmDCA - HEL

2 stops15h 56mMultiple Airlines

jue. 7/34:25 pmHEL - DCA

1 stop12h 50mMultiple Airlines

Deal found 6/10

$1,270

dom. 6/223:59 pmDCA - HEL

2 stops16h 46mBritish Airways

vie. 7/45:15 pmHEL - DCA

1 stop12h 52mBritish Airways

Deal found 6/10

$1,498

lun. 6/3012:15 pmDCA - HEL

2 stops15h 20mMultiple Airlines

mar. 7/2211:15 amHEL - DCA

2 stops15h 27mMultiple Airlines

Deal found 6/9

$836

mar. 7/16:59 pmDCA - OUL

2 stops23h 01mFinnair

lun. 7/78:40 amOUL - DCA

2 stops21h 31mFinnair

Deal found 6/11

$1,514

sáb. 7/56:40 pmDCA - HEL

2 stops35h 10mAir Canada

vie. 8/226:10 amHEL - DCA

2 stops35h 08mAir Canada

Deal found 6/10

$727

mar. 7/84:51 pmDCA - HEL

2 stops16h 49mDelta

mar. 7/156:40 amHEL - DCA

2 stops21h 45mDelta

Deal found 6/10

$701

mié. 7/96:25 amDCA - HEL

2 stops29h 30mUnited Airlines

mié. 7/1612:40 pmHEL - DCA

2 stops34h 48mUnited Airlines

Deal found 6/11

$707

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 junio 12, 2025.

vie. 8/156:00 amDCA - HEL

2 stops29h 55mAir Canada

Deal found 6/9

$406

jue. 8/289:40 amDCA - HEL

2 stops24h 00mUnited Airlines

Deal found 6/10

$450

mar. 7/154:51 pmDCA - HEL

2 stops16h 49mDelta

Deal found 6/12

$463

vie. 8/153:50 pmDCA - HEL

1 stop15h 25mAmerican Airlines

Deal found 6/9

$484

vie. 8/298:40 pmDCA - HEL

3 stops36h 40mMultiple Airlines

Deal found 6/10

$516

mié. 8/277:20 pmDCA - HEL

1 stop11h 40mFinnair

Deal found 6/12

$604

mié. 7/164:50 pmDCA - HEL

2 stops15h 55mBritish Airways

Deal found 6/12

$1,230

mar. 12/23:10 pmDCA - HEL

2 stops14h 50mIcelandair

Deal found 6/10

$1,779

jue. 7/241:25 pmDCA - HEL

3 stops20h 05mScandinavian Airlines

Deal found 6/10

$2,690

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

mié. 9/24

5:00 pm-4:40 pm

2 stops16h 40m

Helsinki-Vantaa

mar. 9/30

7:10 am-6:05 pm

2 stops17h 55m

$537

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 11/26

11:00 am-1:10 pm

2 stops19h 10m

Helsinki-Vantaa

dom. 11/30

6:50 am-8:57 am

2 stops33h 07m

$541

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 11/26

6:00 am-6:40 pm

2 stops29h 40m

Helsinki-Vantaa

dom. 11/30

2:00 pm-8:57 am

2 stops49h 57m

$556

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 12/3

5:49 pm-3:15 pm

2 stops14h 26m

Helsinki-Vantaa

lun. 12/8

4:50 pm-10:38 pm

1 stop12h 48m

$576

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

vie. 12/5

6:59 am-10:40 am

2 stops20h 41m

Helsinki-Vantaa

lun. 12/15

8:55 pm-9:53 pm

3 stops31h 58m

$584

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

mié. 10/8

7:45 pm-5:55 pm

2 stops15h 10m

Oulu

mar. 10/21

2:15 pm-10:55 pm

2 stops15h 40m

$633

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

vie. 11/28

5:58 pm-1:55 pm

1 stop12h 57m

Helsinki-Vantaa

sáb. 12/6

4:50 pm-10:38 pm

1 stop12h 48m

$711

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 10/22

12:34 pm-3:10 pm

2 stops19h 36m

Helsinki-Vantaa

mié. 10/29

4:50 pm-10:55 pm

1 stop12h 05m

$724

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 7/29

11:00 am-10:35 am

2 stops40h 35m

Helsinki-Vantaa

lun. 8/11

4:05 pm-10:12 pm

2 stops37h 07m

$740

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 8/13

2:54 pm-2:00 pm

1 stop16h 06m

Helsinki-Vantaa

dom. 8/24

4:25 pm-11:50 pm

1 stop14h 25m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 23 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.

Rainfall in Finland by month

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.

Temperature in Finland by month

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).

Reviews of airlines servicing Finland

Get a feel of what it's like to fly with Delta, Finnair and United Airlines from Washington, D.C. to Finland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 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

7,946 reviews

Delta

8.0

Very good

7,946 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

1,290 reviews

Delta

8.0

Very good

7,946 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

8,790 reviews

Delta

8.0

Very good

7,946 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

1,387 reviews

Delta

8.0

Very good

7,946 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

7,946 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 $406 on Air Canada. Other airlines that offer cheap prices include United Airlines from $450 and Delta from $463 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 $1,081). 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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Baltimore to Madrid flights

Baltimore to Leonardo da Vinci/Fiumicino flights

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Dulles Intl to Vienna flights

Baltimore to Barcelona-El Prat flights

Reagan-National to Barcelona-El Prat flights

Baltimore to Amsterdam flights

Dulles Intl to Luton flights

Baltimore to Luton 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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$406+ 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 8/15. 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 junio 12, 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 junio 12, 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 junio 12, 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 junio 12, 2025.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

Reviews of airlines servicing Finland

Get a feel of what it's like to fly with Delta, Finnair and United Airlines from Washington, D.C. to Finland by reading reviews from past customers. 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 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 junio 12, 2025.