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Cheap flights from Washington, D.C. Reagan-National Airport to Finland from $329

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. Reagan-National Airport to Finland departing on 9/14. 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. Reagan-National Airport to Finland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
5:00 pm - 2:00 pm
DCA
-
HEL
14h 00m
2 stops
Icelandair Logo
11:55 pm - 7:56 am
HEL
-
DCA
39h 01m
2 stops
$699Icelandair
Mon, Sep 7 - Mon, Sep 14
British Airways Logo
2:59 pm - 2:50 pm
DCA
-
HEL
16h 51m
1 stop
British Airways Logo
4:25 pm - 11:59 pm
HEL
-
DCA
14h 34m
1 stop
$711British Airways
Mon, Aug 24 - Wed, Sep 9
Scandinavian Airlines Logo
11:50 am - 10:35 am
DCA
-
HEL
15h 45m
2 stops
Scandinavian Airlines Logo
11:15 am - 9:50 pm
HEL
-
DCA
17h 35m
2 stops
$724Scandinavian Airlines
Mon, Aug 24 - Wed, Sep 9
American Airlines Logo
12:20 pm - 1:55 pm
DCA
-
HEL
18h 35m
1 stop
American Airlines Logo
12:30 pm - 11:00 pm
HEL
-
DCA
17h 30m
1 stop
$737American Airlines
Tue, Nov 10 - Sun, Nov 15
Scandinavian Airlines Logo
6:02 am - 3:20 pm
DCA
-
HEL
26h 18m
2 stops
Scandinavian Airlines Logo
6:10 am - 11:26 pm
HEL
-
DCA
24h 16m
2 stops
$741Scandinavian Airlines
Sun, Aug 23 - Tue, Sep 1
American Airlines Logo
1:47 pm - 2:00 pm
DCA
-
HEL
17h 13m
1 stop
American Airlines Logo
12:20 pm - 9:27 pm
HEL
-
DCA
16h 07m
1 stop
$743American Airlines
Sun, Aug 23 - Tue, Sep 1
Finnair Logo
6:23 pm - 2:00 pm
DCA
-
HEL
12h 37m
1 stop
Finnair Logo
5:15 pm - 11:10 pm
HEL
-
DCA
12h 55m
1 stop
$746Finnair
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
3:30 pm - 1:10 pm
DCA
-
HEL
14h 40m
2 stops
Multiple Airlines Logo
2:05 pm - 11:04 pm
HEL
-
DCA
15h 59m
2 stops
$753Multiple Airlines
Tue, Nov 10 - Sun, Nov 15
Finnair Logo
5:22 pm - 1:00 am
DCA
-
OUL
24h 38m
2 stops
Finnair Logo
10:50 am - 11:31 pm
OUL
-
DCA
19h 41m
2 stops
$1,068Finnair
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
11:00 am - 1:25 am
DCA
-
OUL
31h 25m
3 stops
Multiple Airlines Logo
5:00 am - 9:48 pm
OUL
-
DCA
23h 48m
3 stops
$1,458Multiple Airlines
Sun, Aug 2 - Tue, Aug 11

Icelandair flights from Washington, D.C. Reagan-National Airport to Finland

Our best Icelandair deals on Washington, D.C. Reagan-National Airport to Finland flight tickets
Icelandair
Sep 7
DCA5:00 pmWashington, D.C. Reagan-National
14h 00m
2 stops
HEL2:00 pmHelsinki-Vantaa
Sep 14
HEL11:55 pmHelsinki-Vantaa
39h 01m
2 stops
DCA7:56 amWashington, D.C. Reagan-National
$699
Icelandair
Sep 17
DCA2:30 pmWashington, D.C. Reagan-National
16h 30m
2 stops
HEL2:00 pmHelsinki-Vantaa
Sep 30
HEL3:00 pmHelsinki-Vantaa
23h 56m
2 stops
DCA7:56 amWashington, D.C. Reagan-National
$758
Icelandair
Sep 5
DCA2:15 pmWashington, D.C. Reagan-National
16h 45m
2 stops
HEL2:00 pmHelsinki-Vantaa
Sep 12
HEL3:00 pmHelsinki-Vantaa
23h 56m
2 stops
DCA7:56 amWashington, D.C. Reagan-National
$800

Finnair flights from Washington, D.C. Reagan-National Airport to Finland

Our best Finnair deals on Washington, D.C. Reagan-National Airport to Finland flight tickets
Finnair
Sep 9
DCA6:23 pmWashington, D.C. Reagan-National
12h 37m
1 stop
HEL2:00 pmHelsinki-Vantaa
Sep 14
HEL5:15 pmHelsinki-Vantaa
12h 55m
1 stop
DCA11:10 pmWashington, D.C. Reagan-National
$746
Finnair
Aug 23
DCA6:23 pmWashington, D.C. Reagan-National
12h 37m
1 stop
HEL2:00 pmHelsinki-Vantaa
Sep 1
HEL12:20 pmHelsinki-Vantaa
16h 07m
1 stop
DCA9:27 pmWashington, D.C. Reagan-National
$780
Finnair
Aug 19
DCA6:23 pmWashington, D.C. Reagan-National
12h 37m
1 stop
HEL2:00 pmHelsinki-Vantaa
Aug 26
HEL4:25 pmHelsinki-Vantaa
14h 34m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$793

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Finland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 9/7

5:00 pm-2:00 pm

2 stops14h 00m

Helsinki-Vantaa

Mon 9/14

11:55 pm-7:56 am

2 stops39h 01m

$699

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 8/24

2:59 pm-2:50 pm

1 stop16h 51m

Helsinki-Vantaa

Wed 9/9

4:25 pm-11:59 pm

1 stop14h 34m

$711

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 8/24

11:50 am-10:35 am

2 stops15h 45m

Helsinki-Vantaa

Wed 9/9

11:15 am-9:50 pm

2 stops17h 35m

$724

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 11/10

12:20 pm-1:55 pm

1 stop18h 35m

Helsinki-Vantaa

Sun 11/15

12:30 pm-11:00 pm

1 stop17h 30m

$737

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 8/23

6:02 am-3:20 pm

2 stops26h 18m

Helsinki-Vantaa

Tue 9/1

6:10 am-11:26 pm

2 stops24h 16m

$741

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 8/23

1:47 pm-2:00 pm

1 stop17h 13m

Helsinki-Vantaa

Tue 9/1

12:20 pm-9:27 pm

1 stop16h 07m

$743
Quickest round-trip

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 9/9

6:23 pm-2:00 pm

1 stop12h 37m

Helsinki-Vantaa

Mon 9/14

5:15 pm-11:10 pm

1 stop12h 55m

$746

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 11/10

3:30 pm-1:10 pm

2 stops14h 40m

Helsinki-Vantaa

Sun 11/15

2:05 pm-11:04 pm

2 stops15h 59m

$753

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Wed 7/8

5:22 pm-1:00 am

2 stops24h 38m

Oulu

Wed 7/15

10:50 am-11:31 pm

2 stops19h 41m

$1,068

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Sun 8/2

11:00 am-1:25 am

3 stops31h 25m

Oulu

Tue 8/11

5:00 am-9:48 pm

3 stops23h 48m

$1,458

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Finland

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

Can stopping save me money on Washington, D.C. Reagan-National Airport to Finland flights?

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Finland flight.

Cheap Washington, D.C. Reagan-National Airport to Finland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Finland

Fastest flight time

12h 37m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Finland takes 12h 37m
There are no direct flights from Washington, D.C. Reagan-National Airport to Finland. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Finland.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Finland

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Finland?

    Prices for flights from Washington, D.C. Reagan-National Airport to Finland are updated daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Finland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Finland.

  • What documentation or ID do you need to fly to Finland?

    The required travel and health documents for your Finland 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 Finland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Finland. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Finland from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Finland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Finland 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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