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 $397. Lufthansa flights start at $424 while deals on Air Canada start at $426 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 $563. 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.

$601+ Flights from Washington, D.C. to Finland

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$415 (Booking.com)
One-way from	$333 (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.

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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 ($228 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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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 22, 2025.

Wed 11/267:30 pmBWI - HEL

1 stop10h 30mIcelandair

Fri 12/52:00 pmHEL - BWI

1 stop11h 30mIcelandair

Deal found 4/22

$411

Thu 8/78:30 pmIAD - HEL

1 stop10h 30mIcelandair

Thu 8/143:00 pmHEL - IAD

1 stop14h 10mIcelandair

Deal found 4/21

$464

Mon 10/611:30 amIAD - HEL

1 stop16h 15mAmerican Airlines

Fri 10/1712:35 pmHEL - IAD

1 stop16h 47mAmerican Airlines

Deal found 4/22

$521

Wed 11/2610:36 amDCA - HEL

1 stop17h 09mAmerican Airlines

Fri 12/512:30 pmHEL - DCA

1 stop15h 30mAmerican Airlines

Deal found 4/22

$521

Fri 12/59:55 pmIAD - HEL

1 stop18h 05mMultiple Airlines

Mon 12/1512:30 pmHEL - IAD

2 stops18h 25mMultiple Airlines

Deal found 4/21

$525

Tue 12/28:30 pmIAD - HEL

1 stop16h 50mScandinavian Airlines

Sun 12/77:40 pmHEL - IAD

2 stops28h 35mScandinavian Airlines

Deal found 4/21

$527

Thu 10/165:50 pmIAD - HEL

1 stop13h 30mBritish Airways

Sun 10/267:50 amHEL - IAD

1 stop14h 45mBritish Airways

Deal found 4/21

$538

Wed 4/239:20 pmIAD - HEL

1 stop12h 20mDelta

Tue 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/21

$542

Thu 4/245:25 pmIAD - HEL

1 stop17h 15mKLM

Wed 5/76:25 pmHEL - IAD

1 stop28h 10mKLM

Deal found 4/22

$543

Wed 11/266:00 amDCA - HEL

2 stops27h 50mAir Canada

Fri 12/56:50 amHEL - DCA

2 stops39h 29mAir Canada

Deal found 4/21

$555

Wed 9/241:32 pmBWI - HEL

1 stop14h 13mAmerican Airlines

Wed 10/112:35 pmHEL - BWI

1 stop17h 04mAmerican Airlines

Deal found 4/21

$556

Wed 9/245:00 pmDCA - HEL

1 stop14h 00mFinnair

Wed 10/15:15 pmHEL - DCA

1 stop12h 45mFinnair

Deal found 4/21

$556

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 22, 2025.

Sun 10/198:30 pmBWI - HEL

1 stop10h 30mIcelandair

Sun 11/22:00 pmHEL - BWI

1 stop11h 30mIcelandair

Deal found 4/22

$415

Mon 10/611:30 amIAD - HEL

1 stop16h 15mAmerican Airlines

Fri 10/1712:35 pmHEL - IAD

1 stop16h 47mAmerican Airlines

Deal found 4/22

$521

Sun 10/194:35 pmDCA - HEL

2 stops19h 20mAir Canada

Sun 11/27:00 amHEL - DCA

2 stops43h 57mAir Canada

Deal found 4/22

$527

Wed 9/2410:05 pmIAD - HEL

2 stops29h 25mScandinavian Airlines

Wed 10/19:05 pmHEL - IAD

2 stops29h 54mScandinavian Airlines

Deal found 4/21

$531

Mon 10/610:45 pmIAD - HEL

2 stops17h 10mBritish Airways

Fri 10/177:30 amHEL - IAD

2 stops19h 45mBritish Airways

Deal found 4/22

$545

Mon 5/56:30 pmIAD - HEL

1 stop21h 50mMultiple Airlines

Mon 5/126:25 pmHEL - IAD

1 stop28h 10mMultiple Airlines

Deal found 4/21

$549

Mon 10/63:00 pmIAD - HEL

2 stops18h 40mDelta

Fri 10/177:00 amHEL - IAD

1 stop15h 35mDelta

Deal found 4/22

$553

Wed 9/245:00 pmDCA - HEL

1 stop14h 00mFinnair

Wed 10/15:15 pmHEL - DCA

1 stop12h 45mFinnair

Deal found 4/21

$556

Thu 7/2410:20 pmIAD - HEL

1 stop13h 35mUnited Airlines

Tue 9/236:10 amHEL - IAD

2 stops21h 55mUnited Airlines

Deal found 4/22

$575

Sun 5/1810:20 pmIAD - HEL

1 stop18h 30mLufthansa

Thu 8/216:00 amHEL - IAD

1 stop20h 25mLufthansa

Deal found 4/22

$585

Thu 5/225:25 pmIAD - HEL

1 stop17h 15mKLM

Thu 5/296:25 pmHEL - IAD

1 stop28h 10mKLM

Deal found 4/22

$725

Mon 7/215:25 pmIAD - HEL

2 stops23h 25mAustrian Airlines

Tue 7/296:10 amHEL - IAD

2 stops39h 25mAustrian Airlines

Deal found 4/22

$763

Last-minute flights from Washington, D.C. to Finland
Discover last-minute flight deals from Washington, D.C. to Finland. Data last updated April 22, 2025 and is based on user searches.

Wed 4/239:20 pmIAD - HEL

1 stop12h 20mDelta

Tue 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/21

$542

Wed 4/236:30 pmIAD - HEL

1 stop21h 50mMultiple Airlines

Tue 4/291:55 pmHEL - IAD

1 stop32h 40mMultiple Airlines

Deal found 4/22

$549

Wed 4/234:45 pmBWI - HEL

2 stops16h 55mMultiple Airlines

Tue 4/297:00 amHEL - BWI

2 stops16h 50mMultiple Airlines

Deal found 4/22

$564

Thu 4/245:25 pmIAD - HEL

1 stop17h 15mKLM

Wed 5/76:25 pmHEL - IAD

1 stop28h 10mKLM

Deal found 4/22

$543

Thu 4/245:47 pmDCA - HEL

2 stops15h 53mDelta

Wed 5/77:00 amHEL - DCA

2 stops18h 59mDelta

Deal found 4/21

$564

Fri 4/252:04 pmBWI - HEL

2 stops15h 56mDelta

Wed 4/301:55 pmHEL - BWI

2 stops17h 46mDelta

Deal found 4/22

$569

Fri 4/255:15 pmIAD - HEL

1 stop12h 35mUnited Airlines

Sun 4/271:35 pmHEL - IAD

2 stops27h 11mUnited Airlines

Deal found 4/21

$620

Fri 4/2512:00 pmDCA - HEL

2 stops17h 50mUnited Airlines

Sun 4/271:35 pmHEL - DCA

2 stops26h 18mUnited Airlines

Deal found 4/21

$625

Sun 4/279:20 pmIAD - HEL

1 stop12h 20mMultiple Airlines

Sat 5/36:25 pmHEL - IAD

1 stop28h 10mMultiple Airlines

Deal found 4/22

$549

Sun 4/276:30 pmIAD - HEL

2 stops15h 10mUnited Airlines

Sat 5/31:35 pmHEL - IAD

1 stop30h 55mUnited Airlines

Deal found 4/22

$655

Sun 4/275:25 pmIAD - HEL

2 stops23h 25mAustrian Airlines

Sat 5/312:35 pmHEL - IAD

2 stops33h 00mAustrian Airlines

Deal found 4/22

$671

Thu 5/16:30 pmIAD - HEL

1 stop15h 10mDelta

Mon 5/57:00 amHEL - IAD

2 stops19h 53mDelta

Deal found 4/21

$559

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 22, 2025.

Thu 7/245:50 pmIAD - HEL

2 stops17h 30mMultiple Airlines

Deal found 4/22

$333

Thu 7/246:50 pmBWI - HEL

2 stops14h 45mMultiple Airlines

Deal found 4/22

$377

Thu 7/2411:15 pmIAD - HEL

1 stop31h 45mIcelandair

Deal found 4/22

$397

Fri 7/2510:20 pmIAD - HEL

1 stop13h 35mLufthansa

Deal found 4/21

$424

Thu 7/246:00 amDCA - HEL

2 stops29h 55mAir Canada

Deal found 4/22

$426

Thu 7/249:45 amIAD - HEL

2 stops31h 55mUnited Airlines

Deal found 4/22

$430

Fri 7/254:30 pmDCA - HEL

2 stops25h 20mUnited Airlines

Deal found 4/21

$430

Fri 7/2510:59 amBWI - HEL

2 stops24h 56mUnited Airlines

Deal found 4/21

$431

Sun 8/35:25 pmIAD - HEL

2 stops42h 30mAustrian Airlines

Deal found 4/21

$454

Sun 8/38:30 pmBWI - HEL

1 stop10h 30mIcelandair

Deal found 4/22

$473

Thu 5/229:20 pmIAD - HEL

1 stop12h 20mAir France

Deal found 4/21

$483

Sun 8/35:25 pmBWI - HEL

2 stops16h 15mDelta

Deal found 4/22

$487

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

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 10/19

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Sun 11/2

2:00 pm-6:30 pm

1 stop11h 30m

$415

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 8/7

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 8/14

3:00 pm-10:10 pm

1 stop14h 10m

$464

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 10/6

11:30 am-10:45 am

1 stop16h 15m

Helsinki-Vantaa

Fri 10/17

12:35 pm-10:22 pm

1 stop16h 47m

$521

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 9/24

10:05 pm-10:30 am

2 stops29h 25m

Helsinki-Vantaa

Wed 10/1

9:05 pm-7:59 pm

2 stops29h 54m

$531

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 10/16

5:50 pm-2:20 pm

1 stop13h 30m

Helsinki-Vantaa

Sun 10/26

7:50 am-4:35 pm

1 stop14h 45m

$538

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 5/5

6:30 pm-11:20 pm

1 stop21h 50m

Helsinki-Vantaa

Mon 5/12

6:25 pm-3:35 pm

1 stop28h 10m

$549

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 10/6

3:00 pm-4:40 pm

2 stops18h 40m

Helsinki-Vantaa

Fri 10/17

7:00 am-3:35 pm

1 stop15h 35m

$553

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 10/16

6:30 pm-4:40 pm

1 stop15h 10m

Helsinki-Vantaa

Sun 10/26

6:30 am-8:20 pm

1 stop19h 50m

$555

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 9/24

5:00 pm-2:00 pm

1 stop14h 00m

Helsinki-Vantaa

Wed 10/1

5:15 pm-11:00 pm

1 stop12h 45m

$556

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Wed 9/24

1:32 pm-10:45 am

1 stop14h 13m

Helsinki-Vantaa

Wed 10/1

12:35 pm-10:39 pm

1 stop17h 04m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 $1,123). 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

7,920 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

7,920 reviews

Delta

8.0

Very good

7,920 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

1,331 reviews

Delta

8.0

Very good

7,920 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

1,272 reviews

Delta

8.0

Very good

7,920 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

7,920 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

1,441 reviews

Delta

8.0

Very good

7,920 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 $397. Lufthansa flights start at $424 while deals on Air Canada start at $426 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 $1,123). 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

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$355	Average$506	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$623	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$426	Average$708	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$481	Average$831	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$483	Average$826	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$494	Average$804	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%

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$333+ 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

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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 22, 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 22, 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 22, 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 22, 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?

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Alternative routes for Washington, D.C. to Finland

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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 22, 2025.