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Find cheap flights from Washington to Helsinki from $340

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Helsinki departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 5/26
Sun 6/2

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In the last 7 days travelers have searched 44,335,567 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$340
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 54% increase in price.
Flight from Seattle to Helsinki

FAQs for booking flights from Washington to Helsinki

  • How does KAYAK find such low prices on flights from Washington to Helsinki?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Helsinki.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Helsinki?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Helsinki?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helsinki with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Helsinki?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helsinki from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Washington to Helsinki?

Find which airlines fly direct from Washington to Helsinki-Vantaa, which days they fly and book direct flights.

Nonstop departures

Washington to Helsinki-Vantaa

Monday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Tuesday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Wednesday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Thursday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Friday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Saturday

ANA, Aegean Airlines, Air Canada, +48 more

ANA, Aegean Airlines, +49 more

Sunday

ANA, Aegean Airlines, Air Canada, +53 more

ANA, Aegean Airlines, +54 more

See more direct flights

Nonstop returns

Helsinki-Vantaa to Washington

Monday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Tuesday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Wednesday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Thursday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Friday

ANA, Aegean Airlines, Air Canada, +52 more

ANA, Aegean Airlines, +53 more

Saturday

ANA, Aegean Airlines, Air Canada, +48 more

ANA, Aegean Airlines, +49 more

Sunday

ANA, Aegean Airlines, Air Canada, +53 more

ANA, Aegean Airlines, +54 more

See more direct flights
See more direct flights

Book cheap flights from Washington to Helsinki

Recent round-trip flight deals

5/1Wed
2 stops
21h 41mSEA-HEL
5/15Wed
2 stops
23h 38mHEL-SEA
$774
5/16Thu
1 stopTurkish Airlines
30h 55mSEA-HEL
6/3Mon
1 stopTurkish Airlines
31h 15mHEL-SEA
$906
7/9Tue
1 stopIcelandair
21h 50mSEA-HEL
7/23Tue
1 stopIcelandair
30h 15mHEL-SEA
$1,166
6/24Mon
1 stopIcelandair
21h 50mSEA-HEL
8/18Sun
1 stopIcelandair
30h 15mHEL-SEA
$1,213
5/19Sun
2 stopsAmerican Airlines
22h 00mSEA-HEL
5/29Wed
1 stopAmerican Airlines
17h 10mHEL-SEA
$1,235
7/9Tue
1 stopLufthansa
17h 10mSEA-HEL
7/23Tue
2 stopsLufthansa
26h 15mHEL-SEA
$1,236
5/16Thu
1 stopLufthansa
17h 10mSEA-HEL
6/3Mon
1 stopLufthansa
31h 29mHEL-SEA
$1,257
5/19Sun
3 stopsUnited Airlines
24h 00mSEA-HEL
5/29Wed
2 stopsUnited Airlines
20h 05mHEL-SEA
$1,260
7/9Tue
1 stopAmerican Airlines
35h 35mSEA-HEL
7/23Tue
nonstopAmerican Airlines
9h 20mHEL-SEA
$1,283
5/16Thu
3 stopsUnited Airlines
50h 07mSEA-HEL
6/3Mon
2 stopsUnited Airlines
22h 14mHEL-SEA
$1,288

Search by stops

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Recent one-way flight deals

8/7Wed
2 stops
29h 52mSEA-HEL
$340
8/24Sat
2 stops
29h 52mSEA-HEL
$366
8/7Wed
3 stops
34h 00mSEA-HEL
$455
5/5Sun
1 stopAir France
19h 05mSEA-HEL
$520
5/4Sat
2 stopsDelta
31h 34mSEA-HEL
$525
5/8Wed
1 stopKLM
13h 15mSEA-HEL
$533
5/8Wed
2 stopsDelta
21h 10mSEA-HEL
$537
5/4Sat
1 stopAir France
17h 05mSEA-HEL
$570
5/3Fri
1 stopKLM
13h 15mSEA-HEL
$583
6/14Fri
2 stopsWestJet
30h 20mSEA-HEL
$972

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Helsinki

Last minute flight, train and bus deals

5/1Wed
multi-stop
21h 41mSEA-HEL
5/15Wed
multi-stop
23h 38mHEL-SEA
$774
5/1Wed
multi-stop
14h 05mSEA-HEL
5/15Wed
multi-stop
35h 35mHEL-SEA
$941
5/1Wed
multi-stop
33h 55mSEA-HEL
5/15Wed
multi-stop
20h 25mHEL-SEA
$1,007
5/1Wed
multi-stop
21h 41mSEA-HEL
5/15Wed
multi-stop
15h 30mHEL-SEA
$1,060

Search by stops

Search by price

Flights to Helsinki

Destination:

Helsinki (HEL)Finland

Return flight deals:

Helsinki - Washington

Cabin classes:

$2,630
$2,011
$675

Browse destinations: