What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki round-trip?

Flying on United Airlines is currently your cheapest option to Helsinki, with prices starting at $537. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and Lufthansa, with the lowest prices starting at $538 and $540, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to Helsinki for 10% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Helsinki one-way?

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $370. Lufthansa flights start at $401 while deals on Delta start at $408 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Helsinki?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Helsinki flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Helsinki?

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

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Helsinki?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 66% on the overall cost on flights from Washington, D.C. Dulles Intl Airport to Helsinki.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Helsinki?

November is one of the best times of the year to fly to Helsinki from Washington, D.C. Dulles Intl Airport. Prices for November average $557 per person but you can even find prices for as low as $349. The most expensive prices can be found in the month of June. Opting for a November flight can save you 51% on your journey compared to booking in June

What is the cheapest time of day to fly from IAD to HEL?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Helsinki at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

What airport do you fly into for flights to Helsinki from Washington, D.C. Dulles Intl?

Helsinki-Vantaa (HEL) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Helsinki. You should not have trouble finding flights to Helsinki-Vantaa from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Helsinki airport from Washington, D.C. Dulles Intl. It is only a 10.6 mi journey from Helsinki-Vantaa (HEL) to Helsinki’s city center.

Can I find deals for flights from Dulles Intl to Helsinki that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Helsinki?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Helsinki.

Can I find deals for business class flights from Dulles Intl to Helsinki?

Yes. Cheapflights offers flight deals from Dulles Intl to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$293+ Flights from Washington, D.C. Dulles Intl Airport to Helsinki

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

Travelers have found it’s best to book a flight 43 days in advance to save up to 54% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Helsinki 1-2 weeks in advance for as low as $573, or $573 for flights within the next 24 hours.

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

Find cheap flights from Dulles Intl to Helsinki 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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Helsinki-Vantaa are usually found in January or October, booked 68 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Dulles Intl to Helsinki

Round-trip from	$537 (United Airlines)
One-way from	$293 (Trip.com)
Popular in	June
Cheapest in	January
Average price	$818

From Washington, D.C. Dulles Intl to Helsinki-Vantaa

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Helsinki-Vantaa

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($127 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Dulles Intl to Helsinki

Cheapest flights from Dulles Intl to Helsinki
Explore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Wed 11/2611:10 pmIAD - HEL

1 stop12h 30mUnited Airlines

Sun 11/302:00 pmHEL - IAD

2 stops32h 54mUnited Airlines

Deal found 6/9

$537

Tue 8/1210:05 pmIAD - HEL

1 stop29h 30mScandinavian Airlines

Mon 8/187:10 amHEL - IAD

2 stops19h 49mScandinavian Airlines

Deal found 6/10

$538

Wed 8/1310:20 pmIAD - HEL

1 stop13h 35mLufthansa

Wed 8/207:40 pmHEL - IAD

1 stop26h 40mLufthansa

Deal found 6/10

$540

Sun 12/2810:05 pmIAD - HEL

2 stops37h 35mAir Canada

Tue 1/67:05 amHEL - IAD

2 stops39h 49mAir Canada

Deal found 6/10

$543

Fri 12/512:30 pmIAD - HEL

2 stops21h 55mDelta

Thu 12/116:30 amHEL - IAD

1 stop19h 45mDelta

Deal found 6/10

$545

Fri 11/289:45 amIAD - HEL

3 stops21h 25mMultiple Airlines

Fri 12/54:05 pmHEL - IAD

2 stops33h 45mMultiple Airlines

Deal found 6/10

$551

Mon 12/16:00 pmIAD - HEL

2 stops41h 40mAustrian Airlines

Sat 12/132:00 pmHEL - IAD

2 stops31h 40mAustrian Airlines

Deal found 6/10

$570

Mon 8/258:30 pmIAD - HEL

1 stop10h 30mIcelandair

Fri 8/293:00 pmHEL - IAD

1 stop14h 10mIcelandair

Deal found 6/11

$584

Sun 7/276:30 pmIAD - HEL

1 stop21h 50mAir France

Thu 8/76:40 amHEL - IAD

1 stop19h 35mAir France

Deal found 6/10

$686

Sat 7/55:35 pmIAD - HEL

2 stops16h 15mBrussels Airlines

Fri 8/226:10 amHEL - IAD

2 stops38h 20mBrussels Airlines

Deal found 6/10

$700

Tue 7/297:25 pmIAD - HEL

1 stop11h 55mBritish Airways

Mon 8/119:05 pmHEL - IAD

1 stop30h 05mBritish Airways

Deal found 6/9

$715

Wed 7/305:25 pmIAD - HEL

1 stop23h 55mKLM

Tue 8/121:55 pmHEL - IAD

1 stop32h 40mKLM

Deal found 6/9

$731

Best flights from Dulles Intl to Helsinki
Discover carefully curated flight deals from Dulles Intl to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 11/2611:10 pmIAD - HEL

1 stop12h 30mUnited Airlines

Sun 11/302:00 pmHEL - IAD

2 stops32h 54mUnited Airlines

Deal found 6/9

$537

Tue 8/1210:05 pmIAD - HEL

1 stop29h 30mScandinavian Airlines

Mon 8/187:10 amHEL - IAD

2 stops19h 49mScandinavian Airlines

Deal found 6/10

$538

Wed 8/1310:20 pmIAD - HEL

1 stop13h 35mLufthansa

Wed 8/207:40 pmHEL - IAD

1 stop26h 40mLufthansa

Deal found 6/10

$540

Fri 12/512:30 pmIAD - HEL

2 stops21h 55mDelta

Thu 12/116:30 amHEL - IAD

1 stop19h 45mDelta

Deal found 6/10

$545

Fri 11/289:45 amIAD - HEL

3 stops21h 25mMultiple Airlines

Fri 12/54:05 pmHEL - IAD

2 stops33h 45mMultiple Airlines

Deal found 6/10

$551

Mon 12/16:00 pmIAD - HEL

2 stops41h 40mAustrian Airlines

Sat 12/132:00 pmHEL - IAD

2 stops31h 40mAustrian Airlines

Deal found 6/10

$570

Mon 8/258:30 pmIAD - HEL

1 stop10h 30mIcelandair

Fri 8/293:00 pmHEL - IAD

1 stop14h 10mIcelandair

Deal found 6/11

$584

Sun 11/3010:11 pmIAD - HEL

2 stops35h 29mAir Canada

Fri 12/126:55 amHEL - IAD

2 stops20h 34mAir Canada

Deal found 6/10

$604

Sun 7/276:30 pmIAD - HEL

1 stop21h 50mAir France

Thu 8/76:40 amHEL - IAD

1 stop19h 35mAir France

Deal found 6/10

$686

Sat 7/55:35 pmIAD - HEL

2 stops16h 15mBrussels Airlines

Fri 8/226:10 amHEL - IAD

2 stops38h 20mBrussels Airlines

Deal found 6/10

$700

Tue 7/297:25 pmIAD - HEL

1 stop11h 55mBritish Airways

Mon 8/119:05 pmHEL - IAD

1 stop30h 05mBritish Airways

Deal found 6/9

$715

Wed 7/305:25 pmIAD - HEL

1 stop23h 55mKLM

Tue 8/121:55 pmHEL - IAD

1 stop32h 40mKLM

Deal found 6/9

$731

Last-minute flights from Dulles Intl to Helsinki
Discover last-minute flight deals from Dulles Intl to Helsinki. Data last updated June 12, 2025 and is based on user searches.

Tue 6/179:20 pmIAD - HEL

1 stop19h 00mAir France

Mon 6/306:40 amHEL - IAD

1 stop19h 35mAir France

Deal found 6/10

$1,132

Tue 6/176:10 pmIAD - HEL

1 stop11h 40mLufthansa

Mon 6/307:40 pmHEL - IAD

2 stops24h 50mLufthansa

Deal found 6/10

$1,434

Tue 6/173:30 pmIAD - HEL

2 stops14h 20mAir Canada

Mon 6/306:10 amHEL - IAD

2 stops22h 15mAir Canada

Deal found 6/11

$1,472

Tue 6/175:25 pmIAD - HEL

1 stop12h 25mUnited Airlines

Mon 6/3012:40 pmHEL - IAD

2 stops16h 47mUnited Airlines

Deal found 6/11

$1,648

Tue 6/1710:05 pmIAD - HEL

2 stops18h 30mScandinavian Airlines

Mon 6/309:35 amHEL - IAD

3 stops17h 15mScandinavian Airlines

Deal found 6/10

$3,968

Wed 6/181:30 pmIAD - HEL

1 stop22h 10mTurkish Airlines

Sun 6/227:35 pmHEL - IAD

1 stop23h 10mTurkish Airlines

Deal found 6/12

$1,231

Sun 6/226:30 pmIAD - HEL

1 stop15h 10mMultiple Airlines

Fri 7/47:00 amHEL - IAD

1 stop15h 35mMultiple Airlines

Deal found 6/10

$959

Sun 6/2211:15 pmIAD - HEL

2 stops27h 45mIcelandair

Thu 7/33:00 pmHEL - IAD

1 stop14h 10mIcelandair

Deal found 6/10

$968

Sun 6/227:34 pmIAD - HEL

2 stops15h 06mDelta

Fri 7/47:00 amHEL - IAD

1 stop15h 35mDelta

Deal found 6/10

$989

Wed 7/21:30 pmIAD - HEL

1 stop22h 10mTurkish Airlines

Tue 7/157:35 pmHEL - IAD

1 stop23h 10mTurkish Airlines

Deal found 6/12

$984

Sat 7/55:35 pmIAD - HEL

2 stops16h 15mBrussels Airlines

Fri 8/226:10 amHEL - IAD

2 stops38h 20mBrussels Airlines

Deal found 6/10

$700

Sun 7/69:45 amIAD - HEL

2 stops31h 55mUnited Airlines

Sat 8/236:10 amHEL - IAD

2 stops25h 22mUnited Airlines

Deal found 6/9

$544

One-way flights from Dulles Intl to Helsinki
Search for one-way flight options from Dulles Intl to Helsinki. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Mon 8/188:30 pmIAD - HEL

2 stops14h 50mMultiple Airlines

Deal found 6/10

$293

Tue 9/28:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 6/10

$370

Fri 8/156:10 pmIAD - HEL

1 stop23h 40mLufthansa

Deal found 6/9

$401

Thu 11/205:10 pmIAD - HEL

2 stops15h 50mDelta

Deal found 6/9

$408

Fri 8/156:35 amIAD - HEL

2 stops29h 20mUnited Airlines

Deal found 6/9

$411

Thu 11/205:35 pmIAD - HEL

1 stop12h 35mKLM

Deal found 6/9

$429

Thu 7/106:30 pmIAD - HEL

1 stop15h 10mAir France

Deal found 6/12

$458

Wed 7/1610:40 pmIAD - HEL

1 stop17h 20mFinnair

Deal found 6/12

$1,182

Wed 7/1610:40 pmIAD - HEL

1 stop15h 20mBritish Airways

Deal found 6/11

$1,206

Thu 7/1012:12 pmIAD - HEL

3 stops21h 18mScandinavian Airlines

Deal found 6/12

$2,675

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Helsinki 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

Wed 11/26

11:10 pm-6:40 pm

1 stop12h 30m

Helsinki-Vantaa

Sun 11/30

2:00 pm-3:54 pm

2 stops32h 54m

$537

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

Mon 8/18

7:10 am-7:59 pm

2 stops19h 49m

$538

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 8/13

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

Wed 8/20

7:40 pm-3:20 pm

1 stop26h 40m

$540

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 12/5

12:30 pm-5:25 pm

2 stops21h 55m

Helsinki-Vantaa

Thu 12/11

6:30 am-7:15 pm

1 stop19h 45m

$545

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 11/28

9:45 am-2:10 pm

3 stops21h 25m

Helsinki-Vantaa

Fri 12/5

4:05 pm-6:50 pm

2 stops33h 45m

$551

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 12/1

6:00 pm-6:40 pm

2 stops41h 40m

Helsinki-Vantaa

Sat 12/13

2:00 pm-2:40 pm

2 stops31h 40m

$570

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 8/25

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Fri 8/29

3:00 pm-10:10 pm

1 stop14h 10m

$584

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/30

10:11 pm-4:40 pm

2 stops35h 29m

Helsinki-Vantaa

Fri 12/12

6:55 am-8:29 pm

2 stops20h 34m

$604

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 7/27

6:30 pm-11:20 pm

1 stop21h 50m

Helsinki-Vantaa

Thu 8/7

6:40 am-7:15 pm

1 stop19h 35m

$686

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sat 7/5

5:35 pm-4:50 pm

2 stops16h 15m

Helsinki-Vantaa

Fri 8/22

6:10 am-1:30 pm

2 stops38h 20m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 results

Best time to book a flight from Dulles Intl to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Dulles Intl 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. Dulles Intl Airport to Helsinki

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Helsinki, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $444). Flying from Washington, D.C. Dulles Intl Airport to Helsinki 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.

Rainfall in Helsinki by month

In terms of precipitation, rainfall in Helsinki 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 Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

If weather is an important factor for your trip to Helsinki, 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 Helsinki

Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Washington, D.C. to Helsinki 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!

KLM

7.8

Good

1,358 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!

Austrian Airlines

7.6

Good

802 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!

Air France

7.5

Good

1,463 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 airport do you fly into for flights to Helsinki from Washington, D.C. Dulles Intl?
Helsinki-Vantaa (HEL) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Helsinki. You should not have trouble finding flights to Helsinki-Vantaa from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Helsinki airport from Washington, D.C. Dulles Intl. It is only a 10.6 mi journey from Helsinki-Vantaa (HEL) to Helsinki’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki round-trip?
Flying on United Airlines is currently your cheapest option to Helsinki, with prices starting at $537. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and Lufthansa, with the lowest prices starting at $538 and $540, respectively. You may be able to fly from Washington, D.C. Dulles Intl Airport to Helsinki for 10% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Helsinki one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $370. Lufthansa flights start at $401 while deals on Delta start at $408 one-way.
Can I find deals for flights from Dulles Intl to Helsinki that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Helsinki?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Helsinki.
Can I find deals for business class flights from Dulles Intl to Helsinki?
Yes. Cheapflights offers flight deals from Dulles Intl to Helsinki 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. Dulles Intl Airport to Helsinki?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $444). Flying from Washington, D.C. Dulles Intl Airport to Helsinki 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

Vantaa

Lahti

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Helsinki

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 Tampere flights

Dulles Intl to Ivalo flights

Dulles Intl to Joensuu flights

Dulles Intl to Turku flights

Baltimore to Tampere flights

Baltimore to Ivalo flights

Other flights to Helsinki

Top 8 airlines flying from Dulles Intl to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$364	Average$517	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$420	Average$668	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$483	Average$787	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$486	Average$798	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$520	Average$732	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$527	Average$726	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$529	Average$1,050	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$534	Average$564	FlexibilityNo cancel fee	On-time77%

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.

$293+ Cheap flights from Dulles Intl (IAD) to Helsinki (HEL)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Helsinki with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Helsinki-Vantaa are usually found in January or October, booked 68 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Dulles Intl to Helsinki

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Helsinki

Cheapest flights from Dulles Intl to HelsinkiExplore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Helsinki

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Helsinki. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

Rainfall in Helsinki by month

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

Temperature in Helsinki by month

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

Reviews of airlines servicing Helsinki

Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Washington, D.C. to Helsinki 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 Dulles Intl to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Helsinki from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Helsinki one-way?

Can I find deals for flights from Dulles Intl to Helsinki that include hotel bookings?

How can I find direct flights from Dulles Intl to Helsinki?

Can I find deals for business class flights from Dulles Intl to Helsinki?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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 Dulles Intl to Helsinki

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

Top 8 airlines flying from Dulles Intl to Helsinki

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dulles Intl to Helsinki
Explore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.