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Cheap flights from Washington, D.C. to Helsinki from $247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Helsinki departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Helsinki

Cheap round-trip flights

Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:20 pmHEL-IAD
11h 25m1 stop
$366Icelandair
Find Deal
Mon, Dec 1 - Sun, Dec 14
Icelandair Logo
7:30 pm - 12:55 pmBWI-HEL
10h 25m1 stop
Icelandair Logo
1:55 pm - 6:30 pmHEL-BWI
11h 35m1 stop
$366Icelandair
Find Deal
Mon, Dec 1 - Sun, Dec 14
Lufthansa Logo
11:10 pm - 6:40 pmIAD-HEL
12h 30m1 stop
Lufthansa Logo
7:25 pm - 8:05 pmHEL-IAD
31h 40m1 stop
$473Lufthansa
Find Deal
Sun, Nov 30 - Tue, Dec 16
British Airways Logo
9:55 pm - 11:05 pmIAD-HEL
18h 10m1 stop
British Airways Logo
7:50 am - 7:45 pmHEL-IAD
18h 55m1 stop
$476British Airways
Find Deal
Fri, Nov 28 - Fri, Dec 5
British Airways Logo
8:35 pm - 11:05 pmBWI-HEL
19h 30m1 stop
British Airways Logo
7:50 am - 6:45 pmHEL-BWI
17h 55m1 stop
$476British Airways
Find Deal
Fri, Nov 28 - Fri, Dec 5
American Airlines Logo
1:38 pm - 10:45 amBWI-HEL
15h 07m1 stop
American Airlines Logo
12:30 pm - 10:25 pmHEL-BWI
16h 55m1 stop
$482American Airlines
Find Deal
Tue, Oct 28 - Mon, Nov 3
United Airlines Logo
5:00 pm - 6:40 pmDCA-HEL
18h 40m2 stops
United Airlines Logo
2:00 pm - 6:05 pmHEL-DCA
35h 05m2 stops
$488United Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 14
Lufthansa Logo
11:10 pm - 6:40 pmIAD-HEL
12h 30m1 stop
Lufthansa Logo
12:45 pm - 8:05 pmHEL-IAD
14h 20m1 stop
$488Lufthansa
Find Deal
Fri, Nov 28 - Mon, Dec 15
American Airlines Logo
7:20 pm - 2:00 pmDCA-HEL
11h 40m1 stop
American Airlines Logo
12:35 pm - 8:58 pmHEL-DCA
15h 23m1 stop
$492American Airlines
Find Deal
Sun, Aug 31 - Fri, Sep 5
United Airlines Logo
9:55 am - 1:15 pmIAD-HEL
20h 20m2 stops
United Airlines Logo
12:45 pm - 8:05 pmHEL-IAD
14h 20m1 stop
$492United Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 15

Scandinavian Airlines flights from Washington, D.C. to Helsinki

Our best Scandinavian Airlines deals on Washington, D.C. to Helsinki flight tickets
Scandinavian Airlines
Oct 15
IAD10:05 pmWashington, D.C. Dulles Intl
29h 30m
1 stop
HEL10:35 amHelsinki-Vantaa
Oct 25
HEL6:30 pmHelsinki-Vantaa
54h 45m
2 stops
IAD6:15 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Aug 18
IAD10:05 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
HEL12:05 amHelsinki-Vantaa
Sep 2
HEL6:35 amHelsinki-Vantaa
20h 24m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Aug 18
IAD10:05 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
HEL12:05 amHelsinki-Vantaa
Sep 2
HEL1:20 pmHelsinki-Vantaa
13h 39m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl

Air Canada flights from Washington, D.C. to Helsinki

Our best Air Canada deals on Washington, D.C. to Helsinki flight tickets
Air Canada
Nov 30
DCA11:05 amWashington, D.C. Reagan-National
24h 35m
2 stops
HEL6:40 pmHelsinki-Vantaa
Dec 7
HEL6:50 amHelsinki-Vantaa
20h 50m
2 stops
DCA8:40 pmWashington, D.C. Reagan-National
Air Canada
Dec 2
IAD10:05 pmWashington, D.C. Dulles Intl
35h 25m
2 stops
HEL4:30 pmHelsinki-Vantaa
Dec 15
HEL12:45 pmHelsinki-Vantaa
29h 38m
2 stops
IAD11:23 amWashington, D.C. Dulles Intl
Air Canada
Nov 30
IAD9:00 amWashington, D.C. Dulles Intl
21h 10m
2 stops
HEL1:10 pmHelsinki-Vantaa
Dec 15
HEL12:45 pmHelsinki-Vantaa
29h 38m
2 stops
IAD11:23 amWashington, D.C. Dulles Intl

See travel insights to Helsinki from

How to get the cheapest flight ticket from Washington, D.C. to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of November is, on average, the cheapest month to fly to Helsinki from Washington, D.C., with most prices found around $364. If you aren’t able to travel during the month of November, then book flights to Helsinki from Washington, D.C. during February instead. Flights to Helsinki in February, while not as cheap as those in November, still average around $383.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $364. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Helsinki on a Wednesday will generally be more expensive and average around $692. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from Washington, D.C. to Helsinki in the evening for as low as $399. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $541 per ticket.

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $604 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Washington, D.C. for as low as $489 on momondo.

How have Washington, D.C. to Helsinki flight prices changed over time?

As of July 2025, prices for Washington, D.C. to Helsinki flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Helsinki (WAS to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Helsinki

Best Price Found

$247

Fastest flight time

10h 15m

Direct flights

None

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from Washington, D.C. in the past 72 hours is $247. The best round-trip flight deal from Washington, D.C. to Helsinki found on momondo in the last 72 hours is $366.
The fastest flight from Washington, D.C. to Helsinki takes 10h 15m
There are no direct flights from Washington, D.C. to Helsinki. Popular non-direct routes for this connection are Baltimore/Washington Airport - Helsinki-Vantaa Airport, Washington, D.C. Reagan-National Airport - Helsinki-Vantaa Airport and Washington, D.C. Dulles Intl Airport - Helsinki-Vantaa Airport.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)

  • How far is Washington, D.C. to Helsinki-Vantaa by plane?

    The straight-line distance from Washington, D.C. to Helsinki-Vantaa is 4303.0 mi. 10h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Helsinki-Vantaa Airport?

    Prices for flights from Washington, D.C. to Helsinki-Vantaa Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from Washington, D.C. to Helsinki-Vantaa Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. to Helsinki?


Best airlines flying from Washington, D.C. to Helsinki

Compare and see reviews for airlines that fly from Washington, D.C. to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $355Free CancellationRating
7.0
514 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $420Free CancellationRating
7.3
1,416 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $426Free CancellationRating
8.0
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $430Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $473Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,207 reviews
Search Lufthansa flights
British AirwaysPriceFrom $526Free CancellationRating
6.6
7,093 reviews
Search British Airways flights
KLMPriceFrom $529Free CancellationRating
7.8
1,367 reviews
Search KLM flights
Air FrancePriceFrom $534Free CancellationRating
7.5
1,465 reviews
Search Air France flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Kotka
Lahti

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Why should I use momondo to find a flight deal from Washington, D.C. to Helsinki?

It is quick and easy to find Washington, D.C. to Helsinki flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helsinki that suits you.

Can I find flights from Washington, D.C. to Helsinki with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Helsinki on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Helsinki.

I’m not ready to book a flight from Washington, D.C. to Helsinki right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Helsinki flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
Tue 7/8
Tue 7/15

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