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

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $381. Lufthansa flights start at $421 while deals on Air France start at $423 one-way.

What are the most popular routes from Washington, D.C. to Finland?

Most travelers choose Washington, D.C. Dulles Intl - Helsinki-Vantaa, Baltimore/Washington - Helsinki-Vantaa or Washington, D.C. Reagan-National - Helsinki-Vantaa when deciding on the best route from Washington, D.C. to Finland.

What are the most popular airlines that fly from Washington, D.C. to Finland?

The most popular airlines flying from Washington, D.C. to Finland are Air France, British Airways and Delta. Something to consider prior to booking your flight.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 79% on flights from Washington, D.C. to Finland compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $665. For sooner than that we have options available in the next 3 days from $665.

What is the cheapest month to fly from Washington, D.C. to Finland?

November can be a great time to fly to Finland from Washington, D.C. with a flight ticket averaging about $562. Cheapflights users have found deals in the month of November for as cheap as $349. The most expensive prices can be found in the month of June.

Can I find deals for flights from Washington, D.C. to Finland that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Finland?

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

Can I find deals for business class flights from Washington, D.C. to Finland?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$701+ Flights from Washington, D.C. to Finland - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. to Finland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington, D.C. to Finland

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$517 (Icelandair)
One-way from	$330 (Trip.com)
Popular in	June
Cheapest in	November
Average price	$545

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

Search Deals

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

Search Deals

From Washington, D.C. (WAS) to Finland

Search Deals

One-way flight from Washington, D.C. (WAS) to Finland

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($226 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Washington, D.C. to Finland

Cheapest flights from Washington, D.C. to Finland
Explore the most affordable flight options available from Washington, D.C. to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Wed 11/267:30 pmBWI - HEL

1 stop10h 30mIcelandair

Fri 12/52:00 pmHEL - BWI

1 stop11h 30mIcelandair

Deal found 4/29

$430

Wed 11/2610:36 amDCA - HEL

1 stop17h 09mAmerican Airlines

Fri 12/512:30 pmHEL - DCA

1 stop17h 37mAmerican Airlines

Deal found 4/29

$521

Wed 11/51:00 pmBWI - HEL

2 stops17h 10mDelta

Wed 11/126:30 amHEL - BWI

2 stops19h 17mDelta

Deal found 4/29

$535

Thu 12/117:40 pmIAD - HEL

1 stop10h 20mIcelandair

Wed 12/172:00 pmHEL - IAD

1 stop11h 20mIcelandair

Deal found 4/29

$538

Tue 8/121:03 pmIAD - HEL

2 stops22h 52mMultiple Airlines

Fri 8/226:00 amHEL - IAD

1 stop20h 25mMultiple Airlines

Deal found 4/29

$539

Tue 8/1210:05 pmIAD - HEL

1 stop29h 30mScandinavian Airlines

Fri 8/226:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Deal found 4/29

$549

Wed 5/1412:00 pmDCA - HEL

2 stops18h 00mDelta

Fri 5/306:35 amHEL - DCA

2 stops18h 32mDelta

Deal found 4/29

$549

Sun 5/45:25 pmIAD - HEL

1 stop23h 55mKLM

Mon 5/126:25 pmHEL - IAD

1 stop28h 10mKLM

Deal found 4/29

$554

Thu 12/119:45 amIAD - HEL

2 stops25h 55mUnited Airlines

Wed 12/1712:45 pmHEL - IAD

1 stop14h 20mUnited Airlines

Deal found 4/29

$558

Sun 11/239:55 pmIAD - HEL

1 stop16h 10mBritish Airways

Sat 11/292:00 pmHEL - IAD

1 stop32h 35mBritish Airways

Deal found 4/29

$561

Sun 5/48:40 pmDCA - HEL

2 stops33h 10mUnited Airlines

Mon 5/126:10 amHEL - DCA

2 stops16h 39mUnited Airlines

Deal found 4/29

$585

Wed 5/1410:20 pmIAD - HEL

1 stop18h 30mLufthansa

Fri 5/3012:40 pmHEL - IAD

1 stop13h 45mLufthansa

Deal found 4/29

$592

Best flights from Washington, D.C. to Finland
Discover carefully curated flight deals from Washington, D.C. to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Wed 5/148:30 pmBWI - HEL

1 stop10h 30mIcelandair

Tue 8/263:00 pmHEL - BWI

1 stop11h 25mIcelandair

Deal found 4/27

$517

Tue 8/121:03 pmIAD - HEL

2 stops22h 52mMultiple Airlines

Fri 8/226:00 amHEL - IAD

1 stop20h 25mMultiple Airlines

Deal found 4/29

$539

Tue 8/1210:05 pmIAD - HEL

1 stop29h 30mScandinavian Airlines

Fri 8/226:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Deal found 4/29

$549

Wed 5/1412:00 pmDCA - HEL

2 stops18h 00mDelta

Fri 5/306:35 amHEL - DCA

2 stops18h 32mDelta

Deal found 4/29

$549

Tue 8/126:35 pmIAD - HEL

2 stops17h 20mUnited Airlines

Fri 8/226:10 amHEL - IAD

2 stops18h 20mUnited Airlines

Deal found 4/29

$567

Sat 5/176:50 pmDCA - HEL

2 stops35h 00mAir Canada

Sat 8/236:10 amHEL - DCA

2 stops22h 38mAir Canada

Deal found 4/29

$585

Wed 5/1410:20 pmIAD - HEL

1 stop18h 30mLufthansa

Fri 5/3012:40 pmHEL - IAD

1 stop13h 45mLufthansa

Deal found 4/29

$592

Wed 5/145:59 pmDCA - HEL

1 stop13h 16mAmerican Airlines

Fri 5/305:15 pmHEL - DCA

1 stop12h 21mAmerican Airlines

Deal found 4/29

$636

Sat 5/315:25 pmIAD - HEL

1 stop23h 55mKLM

Sat 6/76:25 pmHEL - IAD

1 stop28h 10mKLM

Deal found 4/29

$674

Tue 5/279:20 pmBWI - HEL

1 stop13h 30mBritish Airways

Sat 6/79:05 pmHEL - BWI

2 stops28h 17mBritish Airways

Deal found 4/28

$807

Mon 5/195:49 pmDCA - HEL

1 stop13h 11mFinnair

Tue 5/275:15 pmHEL - DCA

1 stop12h 21mFinnair

Deal found 4/29

$826

Mon 5/125:25 pmIAD - HEL

2 stops24h 00mAustrian Airlines

Sat 7/196:05 amHEL - IAD

2 stops39h 30mAustrian Airlines

Deal found 4/28

$882

Last-minute flights from Washington, D.C. to Finland
Discover last-minute flight deals from Washington, D.C. to Finland. Data last updated April 30, 2025 and is based on user searches.

Sun 5/45:25 pmIAD - HEL

1 stop23h 55mKLM

Mon 5/126:25 pmHEL - IAD

1 stop28h 10mKLM

Deal found 4/29

$554

Sun 5/48:40 pmDCA - HEL

2 stops33h 10mUnited Airlines

Mon 5/126:10 amHEL - DCA

2 stops16h 39mUnited Airlines

Deal found 4/29

$585

Sun 5/410:19 pmIAD - HEL

2 stops31h 31mUnited Airlines

Thu 5/151:35 pmHEL - IAD

2 stops27h 04mUnited Airlines

Deal found 4/29

$595

Sun 5/45:44 pmIAD - HEL

2 stops39h 56mMultiple Airlines

Thu 5/156:10 amHEL - IAD

1 stop14h 20mMultiple Airlines

Deal found 4/29

$667

Sun 5/45:25 pmIAD - HEL

2 stops35h 25mAustrian Airlines

Thu 5/1512:40 pmHEL - IAD

2 stops32h 55mAustrian Airlines

Deal found 4/29

$670

Sun 5/41:30 pmIAD - HEL

1 stop15h 10mTurkish Airlines

Wed 5/2812:35 pmHEL - IAD

1 stop30h 10mTurkish Airlines

Deal found 4/29

$699

Sun 5/410:50 amBWI - HEL

2 stops42h 00mUnited Airlines

Wed 5/286:00 amHEL - BWI

2 stops22h 42mUnited Airlines

Deal found 4/29

$725

Sun 5/410:05 pmIAD - HEL

1 stop19h 00mScandinavian Airlines

Wed 5/289:05 pmHEL - IAD

2 stops29h 54mScandinavian Airlines

Deal found 4/29

$757

Sun 5/46:50 pmBWI - HEL

3 stops22h 15mMultiple Airlines

Thu 5/156:35 amHEL - BWI

3 stops18h 05mMultiple Airlines

Deal found 4/29

$1,001

Sun 5/44:15 pmDCA - HEL

2 stops38h 45mIcelandair

Wed 5/283:00 pmHEL - DCA

2 stops25h 20mIcelandair

Deal found 4/29

$1,077

Sun 5/49:20 pmBWI - HEL

2 stops34h 55mBritish Airways

Wed 5/2811:05 amHEL - BWI

1 stop15h 30mBritish Airways

Deal found 4/29

$1,354

Sun 5/48:30 pmBWI - HEL

1 stop10h 30mIcelandair

Wed 5/283:00 pmHEL - BWI

1 stop11h 25mIcelandair

Deal found 4/29

$1,447

One-way flights from Washington, D.C. to Finland
Search for one-way flight options from Washington, D.C. to Finland. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Thu 7/245:50 pmIAD - HEL

2 stops17h 30mMultiple Airlines

Deal found 4/28

$330

Thu 7/248:30 pmBWI - HEL

1 stop10h 30mIcelandair

Deal found 4/29

$381

Thu 7/246:50 pmBWI - HEL

3 stops22h 30mMultiple Airlines

Deal found 4/28

$401

Thu 7/243:25 pmIAD - HEL

1 stop26h 15mLufthansa

Deal found 4/28

$421

Thu 5/89:20 pmIAD - HEL

1 stop19h 00mAir France

Deal found 4/28

$423

Thu 7/2411:15 pmIAD - HEL

1 stop31h 45mIcelandair

Deal found 4/29

$424

Thu 7/246:00 amDCA - HEL

2 stops29h 55mAir Canada

Deal found 4/29

$426

Thu 5/83:18 pmIAD - HEL

2 stops14h 32mAir Canada

Deal found 4/28

$430

Thu 5/81:00 pmBWI - HEL

2 stops17h 00mDelta

Deal found 4/28

$433

Thu 7/246:15 amIAD - HEL

3 stops23h 35mUnited Airlines

Deal found 4/28

$434

Thu 7/245:25 pmIAD - HEL

2 stops35h 25mAustrian Airlines

Deal found 4/28

$454

Thu 7/245:35 pmIAD - HEL

2 stops24h 05mBrussels Airlines

Deal found 4/28

$462

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 8/12

1:03 pm-6:55 pm

2 stops22h 52m

Helsinki-Vantaa

Fri 8/22

6:00 am-7:25 pm

1 stop20h 25m

$539

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 8/12

10:05 pm-10:35 am

1 stop29h 30m

Helsinki-Vantaa

Fri 8/22

6:35 am-7:59 pm

1 stop20h 24m

$549

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 5/14

12:00 pm-1:00 pm

2 stops18h 00m

Helsinki-Vantaa

Fri 5/30

6:35 am-6:07 pm

2 stops18h 32m

$549

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 8/12

6:35 pm-6:55 pm

2 stops17h 20m

Helsinki-Vantaa

Fri 8/22

6:10 am-5:30 pm

2 stops18h 20m

$567

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sat 5/17

6:50 pm-12:50 pm

2 stops35h 00m

Helsinki-Vantaa

Sat 8/23

6:10 am-9:48 pm

2 stops22h 38m

$585

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 5/14

10:20 pm-11:50 pm

1 stop18h 30m

Helsinki-Vantaa

Fri 5/30

12:40 pm-7:25 pm

1 stop13h 45m

$592

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 8/4

5:25 pm-1:00 pm

1 stop12h 35m

Helsinki-Vantaa

Mon 8/11

7:00 am-10:59 pm

2 stops22h 59m

$601

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Wed 5/14

2:29 pm-1:00 pm

2 stops15h 31m

Helsinki-Vantaa

Fri 5/30

1:55 pm-12:48 am

2 stops17h 53m

$604

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Mon 8/4

6:25 pm-5:40 pm

2 stops16h 15m

Helsinki-Vantaa

Mon 8/11

1:55 pm-12:17 am

2 stops17h 22m

$605

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Mon 7/21

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Fri 7/25

3:00 pm-7:25 pm

1 stop11h 25m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 54 results

...

Best time to book a flight from Washington, D.C. to Finland

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $444). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $1,085). 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 is the cheapest time of day to fly from WAS to FI?

When flying from Washington, D.C. to Finland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Read reviews from past customers who have flown Delta, KLM and Finnair from Washington, D.C. to Finland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Finland one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $381. Lufthansa flights start at $421 while deals on Air France start at $423 one-way.
What are the most popular routes from Washington, D.C. to Finland?
Most travelers choose Washington, D.C. Dulles Intl - Helsinki-Vantaa, Baltimore/Washington - Helsinki-Vantaa or Washington, D.C. Reagan-National - Helsinki-Vantaa when deciding on the best route from Washington, D.C. to Finland.
Can I find deals for flights from Washington, D.C. to Finland that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Finland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Finland.
Can I find deals for business class flights from Washington, D.C. to Finland?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Finland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $444). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $1,085). 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 Washington, D.C. to Finland

Dulles Intl to Heathrow flights

Dulles Intl to Charles de Gaulle flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Istanbul flights

Dulles Intl to Athens flights

Dulles Intl to Madrid flights

Dulles Intl to Lisbon flights

Reagan-National to Heathrow flights

Dulles Intl to Gatwick flights

Dulles Intl to London City flights

Dulles Intl to Barcelona-El Prat flights

Dulles Intl to Orly flights

Reagan-National to Gatwick flights

Reagan-National to Charles de Gaulle flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Dublin flights

Dulles Intl to Frankfurt flights

Reagan-National to Istanbul flights

Reagan-National to Orly flights

Dulles Intl to Amsterdam flights

Reagan-National to Madrid flights

Reagan-National to Athens flights

Dulles Intl to Bruxelles-National flights

Dulles Intl to Edinburgh flights

Reagan-National to Lisbon flights

Dulles Intl to Zurich flights

Dulles Intl to Keflavik Intl flights

Dulles Intl to Vicenza flights

Dulles Intl to Sabiha Gokcen flights

Dulles Intl to Malpensa flights

Reagan-National to Dublin flights

Dulles Intl to Copenhagen flights

Dulles Intl to Munich flights

Dulles Intl to Linate flights

Reagan-National to Barcelona-El Prat flights

Dulles Intl to Vienna flights

Reagan-National to Malpensa flights

Dulles Intl to Stansted flights

Dulles Intl to Florence flights

Reagan-National to Keflavik Intl flights

Dulles Intl to Frederic Chopin flights

Dulles Intl to Geneva flights

Dulles Intl to Oslo Gardermoen flights

Reagan-National to Amsterdam flights

Reagan-National to Florence flights

Reagan-National to Edinburgh flights

Reagan-National to Linate flights

Reagan-National to Frankfurt flights

Dulles Intl to Naples flights

Reagan-National to Vicenza flights

Washington, D.C. to Finland flights

Dulles Intl to Helsinki flights

Baltimore to Helsinki flights

Reagan-National to Helsinki flights

Dulles Intl to Oulu flights

Baltimore to Oulu flights

Dulles Intl to Rovaniemi flights

Dulles Intl to Turku flights

Dulles Intl to Ivalo flights

Baltimore to Ivalo flights

Dulles Intl to Joensuu flights

Dulles Intl to Tampere flights

Baltimore to Tampere flights

Top 10 airlines flying from Washington, D.C. to Finland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$355	Average$504	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$668	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$426	Average$660	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$481	Average$848	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$483	Average$818	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$494	Average$798	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$520	Average$732	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$529	Average$931	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$534	Average$687	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$652	Average$667	FlexibilityNo cancel fee	On-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$330+ Cheap flights from Washington, D.C. (WAS) 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Finland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Finland

Keep the following information in mind while searching for Washington, D.C. to Finland flight deals. Data was last updated April 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Finland

Cheapest flights from Washington, D.C. to FinlandExplore the most affordable flight options available from Washington, D.C. to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Explore the most affordable flight options available from Washington, D.C. to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington, D.C. to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Finland

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

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

Find hourly flight availability from Washington, D.C. 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 April 30, 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

Read reviews from past customers who have flown Delta, KLM and Finnair from Washington, D.C. to Finland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Finland one-way?

What are the most popular routes from Washington, D.C. to Finland?

Can I find deals for flights from Washington, D.C. to Finland that include hotel bookings?

How can I find direct flights from Washington, D.C. to Finland?

Can I find deals for business class flights from Washington, D.C. to Finland?

What is the cheapest month to book a flight from Washington, D.C. 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 Washington, D.C. to Finland

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

Top 10 airlines flying from Washington, D.C. to Finland

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Finland
Explore the most affordable flight options available from Washington, D.C. to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.