$697 Cheap Flights from Helsinki (HEL) to Washington (DCA)

View $697 flight on Fri, Oct 10, 2025Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA)

Cheap Flights from Helsinki to Washington (HEL-DCA)

Prices were available within the past 7 days and start at $697 for one-way flights and $482 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Oct 27 - Mon, Nov 17
HEL
Helsinki
DCA
Washington
$482 Roundtrip, found 4 days ago
$482
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Oct 27 from Helsinki to Washington, returning Mon, Nov 17, priced at $482 found 4 days ago
Air Canada
Mon, Oct 27 - Mon, Nov 17
HEL
Helsinki
DCA
Washington
$491 Roundtrip, found 4 days ago
$491
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Oct 27 from Helsinki to Washington, returning Mon, Nov 17, priced at $491 found 4 days ago
Air Canada
Wed, Nov 26 - Mon, Dec 1
HEL
Helsinki
DCA
Washington
$505 Roundtrip, found 6 days ago
$505
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Nov 26 from Helsinki to Washington, returning Mon, Dec 1, priced at $505 found 6 days ago
Air Canada
Wed, Nov 26 - Mon, Dec 1
HEL
Helsinki
DCA
Washington
$511 Roundtrip, found 6 days ago
$511
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Nov 26 from Helsinki to Washington, returning Mon, Dec 1, priced at $511 found 6 days ago
Lufthansa
Wed, Nov 26 - Mon, Dec 1
HEL
Helsinki
DCA
Washington
$529 Roundtrip, found 6 days ago
$529
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 26 from Helsinki to Washington, returning Mon, Dec 1, priced at $529 found 6 days ago
Brussels Airlines
Wed, Nov 26 - Mon, Dec 1
HEL
Helsinki
DCA
Washington
$534 Roundtrip, found 6 days ago
$534
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Wed, Nov 26 from Helsinki to Washington, returning Mon, Dec 1, priced at $534 found 6 days ago
Air Canada
Mon, Oct 27 - Mon, Nov 17
HEL
Helsinki
DCA
Washington
$535 Roundtrip, found 4 days ago
$535
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Oct 27 from Helsinki to Washington, returning Mon, Nov 17, priced at $535 found 4 days ago
Air Canada
Mon, Sep 29 - Thu, Oct 9
HEL
Helsinki
DCA
Washington
$541 Roundtrip, found 2 days ago
$541
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Sep 29 from Helsinki to Washington, returning Thu, Oct 9, priced at $541 found 2 days ago
United
Wed, Aug 27 - Tue, Sep 9
HEL
Helsinki
DCA
Washington
$542 Roundtrip, found 5 hours ago
$542
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Aug 27 from Helsinki to Washington, returning Tue, Sep 9, priced at $542 found 5 hours ago
American Airlines
Sun, Sep 14 - Sun, Sep 21
HEL
Helsinki
DCA
Washington
$583 Roundtrip, found 5 days ago
$583
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Sep 14 from Helsinki to Washington, returning Sun, Sep 21, priced at $583 found 5 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $501
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $501
Flights from Helsinki (HEL) to Washington (DCA)
Origin airport
Vantaa
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Scandinavian Airlines, United
Roundtrip price
$482
Distance
4304 mi

Helsinki to Washington Flights

The cheapest times to fly from Helsinki to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helsinki to Washington are during the month of October. You can find some of the cheapest flights from Helsinki to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helsinki to Washington

Sunday is one of the best days to book for cheap flights from Helsinki to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Helsinki to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helsinki to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $697 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helsinki to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helsinki to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA) cost?
Snag a cheap one-way flight from $697 or cheap return flight from $482 from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA)?
October is the least expensive month to fly from HEL to DCA. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest HEL to DCA flight.
How many flights per day from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA)?
There are no daily nonstop flights departing from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from HEL to DCA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA)?
To avoid possible delays on the Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your ticket from HEL to DCA right before your getaway is generally more expensive. But if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a HEL to DCA flight and hotel package?
Compared with arranging hotels and flights separately, booking a HEL to DCA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Ronald Reagan Washington National Airport (DCA)?
If you reserved your HEL to DCA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.