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 $403. American Airlines flights start at $469 while deals on Finnair start at $469 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.

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 92% 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 $684. For sooner than that we have options available in the next 3 days from $716.

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 $575. 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.

$608+ Flights from Washington, D.C. to Finland

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$467 (oojo)
One-way from	$319 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$529

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

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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

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

Search Deals

Highest demand for flights based on searches. 30% potential increase in price ($255 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

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 abril 2, 2025.

mié. 11/267:30 pmBWI - HEL

1 stop10h 30mIcelandair

vie. 12/52:00 pmHEL - BWI

1 stop11h 30mIcelandair

Deal found 4/1

$408

lun. 4/215:59 pmDCA - HEL

1 stop13h 16mAmerican Airlines

mar. 5/64:25 pmHEL - DCA

1 stop13h 53mAmerican Airlines

Deal found 4/1

$482

mié. 4/2310:59 amBWI - HEL

1 stop20h 16mMultiple Airlines

mar. 4/294:25 pmHEL - BWI

1 stop24h 54mMultiple Airlines

Deal found 4/1

$485

dom. 4/278:30 pmIAD - HEL

1 stop10h 30mIcelandair

dom. 5/43:00 pmHEL - IAD

1 stop11h 20mIcelandair

Deal found 4/1

$499

mié. 4/236:30 pmIAD - HEL

1 stop15h 10mDelta

mar. 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/2

$510

mié. 11/2611:30 amIAD - HEL

1 stop16h 15mAmerican Airlines

vie. 12/512:30 pmHEL - IAD

1 stop16h 44mAmerican Airlines

Deal found 4/2

$520

mié. 4/239:20 pmIAD - HEL

1 stop12h 20mAir France

mar. 4/296:40 amHEL - IAD

1 stop19h 35mAir France

Deal found 4/2

$522

mié. 4/236:15 amBWI - HEL

1 stop21h 30mAmerican Airlines

mar. 4/2912:35 pmHEL - BWI

2 stops16h 44mAmerican Airlines

Deal found 4/2

$525

dom. 4/279:20 pmIAD - HEL

1 stop19h 00mMultiple Airlines

sáb. 5/31:55 pmHEL - IAD

1 stop32h 40mMultiple Airlines

Deal found 4/2

$531

mar. 4/2911:00 amDCA - HEL

2 stops18h 50mDelta

mar. 5/67:15 amHEL - DCA

2 stops17h 55mDelta

Deal found 4/1

$534

mié. 11/265:40 pmIAD - HEL

1 stop11h 20mUnited Airlines

vie. 12/56:50 amHEL - IAD

2 stops16h 40mUnited Airlines

Deal found 4/2

$535

mié. 4/211:00 amDCA - HEL

2 stops24h 55mAir Canada

mié. 4/96:10 amHEL - DCA

2 stops16h 14mAir Canada

Deal found 4/1

$537

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 abril 2, 2025.

mié. 4/238:30 pmBWI - HEL

1 stop10h 30mIcelandair

mar. 4/293:00 pmHEL - BWI

1 stop11h 25mIcelandair

Deal found 4/2

$467

lun. 4/215:59 pmDCA - HEL

1 stop13h 16mAmerican Airlines

mar. 5/64:25 pmHEL - DCA

1 stop13h 53mAmerican Airlines

Deal found 4/1

$482

mié. 4/2310:59 amBWI - HEL

1 stop20h 16mMultiple Airlines

mar. 4/294:25 pmHEL - BWI

1 stop24h 54mMultiple Airlines

Deal found 4/1

$485

lun. 4/2812:11 pmIAD - HEL

2 stops17h 39mDelta

lun. 5/51:55 pmHEL - IAD

1 stop32h 40mDelta

Deal found 4/1

$516

lun. 4/215:25 pmIAD - HEL

1 stop23h 55mAir France

mar. 5/66:25 pmHEL - IAD

1 stop28h 10mAir France

Deal found 4/1

$523

lun. 4/215:25 pmIAD - HEL

1 stop12h 35mKLM

mar. 5/61:55 pmHEL - IAD

1 stop32h 40mKLM

Deal found 4/1

$550

mar. 7/1510:05 pmIAD - HEL

1 stop29h 30mScandinavian Airlines

mar. 8/1910:20 amHEL - IAD

2 stops16h 39mScandinavian Airlines

Deal found 3/31

$561

mié. 5/145:49 pmDCA - HEL

1 stop13h 11mFinnair

vie. 5/305:15 pmHEL - DCA

1 stop12h 21mFinnair

Deal found 4/1

$568

mié. 9/177:25 pmIAD - HEL

1 stop11h 55mBritish Airways

sáb. 9/272:05 pmHEL - IAD

1 stop13h 10mBritish Airways

Deal found 4/1

$580

lun. 4/283:55 pmIAD - HEL

2 stops20h 00mAir Canada

dom. 5/46:10 amHEL - IAD

2 stops21h 58mAir Canada

Deal found 4/1

$607

mié. 5/143:55 pmIAD - HEL

2 stops17h 45mUnited Airlines

vie. 5/306:10 amHEL - IAD

2 stops17h 09mUnited Airlines

Deal found 4/1

$614

dom. 5/1810:20 pmIAD - HEL

1 stop18h 30mLufthansa

dom. 6/16:00 amHEL - IAD

1 stop20h 25mLufthansa

Deal found 4/1

$618

Last-minute flights from Washington, D.C. to Finland
Discover last-minute flight deals from Washington, D.C. to Finland. Data last updated abril 2, 2025 and is based on user searches.

mié. 4/211:00 amDCA - HEL

2 stops24h 55mAir Canada

mié. 4/96:10 amHEL - DCA

2 stops16h 14mAir Canada

Deal found 4/1

$537

mié. 4/211:05 pmIAD - HEL

1 stop17h 45mLufthansa

mié. 4/96:10 amHEL - IAD

1 stop16h 40mLufthansa

Deal found 4/1

$549

lun. 4/215:59 pmDCA - HEL

1 stop13h 16mAmerican Airlines

mar. 5/64:25 pmHEL - DCA

1 stop13h 53mAmerican Airlines

Deal found 4/1

$482

lun. 4/215:25 pmIAD - HEL

1 stop12h 35mKLM

mar. 5/61:55 pmHEL - IAD

1 stop32h 40mKLM

Deal found 4/1

$550

mié. 4/238:30 pmBWI - HEL

1 stop10h 30mIcelandair

mar. 4/293:00 pmHEL - BWI

1 stop11h 25mIcelandair

Deal found 4/2

$467

mié. 4/2310:59 amBWI - HEL

1 stop20h 16mMultiple Airlines

mar. 4/294:25 pmHEL - BWI

1 stop24h 54mMultiple Airlines

Deal found 4/1

$485

mié. 4/236:30 pmIAD - HEL

1 stop15h 10mDelta

mar. 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/2

$510

mié. 4/239:20 pmIAD - HEL

1 stop12h 20mAir France

mar. 4/296:40 amHEL - IAD

1 stop19h 35mAir France

Deal found 4/2

$522

mié. 4/231:50 pmBWI - HEL

2 stops17h 25mAmerican Airlines

mar. 4/2912:35 pmHEL - BWI

2 stops16h 44mAmerican Airlines

Deal found 4/2

$525

dom. 4/278:30 pmIAD - HEL

1 stop10h 30mIcelandair

dom. 5/43:00 pmHEL - IAD

1 stop11h 20mIcelandair

Deal found 4/1

$499

dom. 4/279:20 pmIAD - HEL

1 stop19h 00mMultiple Airlines

sáb. 5/31:55 pmHEL - IAD

1 stop32h 40mMultiple Airlines

Deal found 4/2

$531

mar. 4/2911:00 amDCA - HEL

2 stops18h 50mDelta

mar. 5/67:15 amHEL - DCA

2 stops17h 55mDelta

Deal found 4/1

$534

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 abril 2, 2025.

mar. 7/156:50 pmBWI - HEL

2 stops32h 45mMultiple Airlines

Deal found 3/31

$319

mar. 7/151:29 pmIAD - HEL

2 stops25h 31mMultiple Airlines

Deal found 3/31

$354

lun. 6/28:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 4/1

$403

lun. 6/28:30 pmBWI - HEL

1 stop10h 30mIcelandair

Deal found 4/1

$403

mar. 7/157:00 amDCA - HEL

2 stops24h 00mMultiple Airlines

Deal found 3/31

$464

dom. 8/35:20 pmBWI - HEL

1 stop13h 55mAmerican Airlines

Deal found 4/1

$469

dom. 8/37:01 pmDCA - HEL

1 stop11h 59mFinnair

Deal found 4/1

$469

dom. 8/310:40 pmIAD - HEL

2 stops29h 35mBritish Airways

Deal found 4/1

$480

dom. 8/36:30 pmIAD - HEL

1 stop21h 50mAir France

Deal found 4/1

$482

dom. 8/35:00 pmDCA - HEL

2 stops16h 40mDelta

Deal found 4/1

$487

jue. 8/146:10 pmIAD - HEL

1 stop11h 40mLufthansa

Deal found 4/1

$488

dom. 8/37:20 pmBWI - HEL

2 stops15h 20mDelta

Deal found 4/1

$491

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

mié. 4/23

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

mar. 4/29

3:00 pm-7:25 pm

1 stop11h 25m

$467

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

lun. 4/21

5:59 pm-2:15 pm

1 stop13h 16m

Helsinki-Vantaa

mar. 5/6

4:25 pm-11:18 pm

1 stop13h 53m

$482

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

mié. 4/23

10:59 am-2:15 pm

1 stop20h 16m

Helsinki-Vantaa

mar. 4/29

4:25 pm-10:19 am

1 stop24h 54m

$485

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

dom. 4/27

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

dom. 5/4

3:00 pm-7:20 pm

1 stop11h 20m

$499

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 4/23

6:30 pm-4:40 pm

1 stop15h 10m

Helsinki-Vantaa

mar. 4/29

7:15 am-7:53 pm

2 stops19h 38m

$510

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 4/23

9:20 pm-4:40 pm

1 stop12h 20m

Helsinki-Vantaa

mar. 4/29

6:40 am-7:15 pm

1 stop19h 35m

$522

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

mié. 4/23

6:15 am-10:45 am

1 stop21h 30m

Helsinki-Vantaa

mar. 4/29

12:35 pm-10:19 pm

2 stops16h 44m

$525

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

dom. 4/27

9:20 pm-11:20 pm

1 stop19h 00m

Helsinki-Vantaa

sáb. 5/3

1:55 pm-3:35 pm

1 stop32h 40m

$531

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 4/29

11:00 am-12:50 pm

2 stops18h 50m

Helsinki-Vantaa

mar. 5/6

7:15 am-6:10 pm

2 stops17h 55m

$534

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 4/21

5:25 pm-1:00 pm

1 stop12h 35m

Helsinki-Vantaa

mar. 5/6

1:55 pm-3:35 pm

1 stop32h 40m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 51 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

7,897 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

7,897 reviews

Delta

8.0

Very good

7,897 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

1,323 reviews

Delta

8.0

Very good

7,897 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

1,267 reviews

Delta

8.0

Very good

7,897 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

771 reviews

Delta

8.0

Very good

7,897 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

1,427 reviews

Delta

8.0

Very good

7,897 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 $403. American Airlines flights start at $469 while deals on Finnair start at $469 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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Washington, D.C. to Finland flights

Dulles Intl to Helsinki flights

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Baltimore to Tampere flights

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$355	Average$501	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$678	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$426	Average$708	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$483	Average$847	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$494	Average$827	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$547	Average$797	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$624	Average$824	FlexibilityNo cancel fee	On-time71%
Finnair	Cheapest$652	Average$667	FlexibilityNo cancel fee	On-time76%

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$319+ 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 7/15. 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 abril 2, 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 abril 2, 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 abril 2, 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 abril 2, 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.

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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 abril 2, 2025.