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Cheap flights from Washington, D.C. to Oulu from $932

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Oulu departing on 4/24. 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 Oulu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
5:40 pm - 9:35 pm
IAD
-
OUL
20h 55m
2 stops
Finnair Logo
6:35 pm - 8:20 pm
OUL
-
IAD
56h 45m
2 stops
$932Finnair
Fri, Apr 24 - Tue, Apr 28
Finnair Logo
5:30 pm - 9:35 pm
DCA
-
OUL
21h 05m
2 stops
Finnair Logo
6:35 pm - 10:17 pm
OUL
-
DCA
34h 42m
2 stops
$976Finnair
Fri, Apr 24 - Tue, Apr 28
Turkish Airlines Logo
1:20 pm - 9:35 pm
IAD
-
OUL
25h 15m
2 stops
Turkish Airlines Logo
5:35 pm - 7:50 pm
OUL
-
IAD
57h 15m
2 stops
$1,004Turkish Airlines
Fri, Apr 24 - Tue, Apr 28
Finnair Logo
5:30 pm - 9:35 pm
DCA
-
OUL
21h 05m
2 stops
Finnair Logo
10:15 pm - 10:17 pm
OUL
-
DCA
31h 02m
2 stops
$1,009Finnair
Fri, Apr 24 - Tue, Apr 28
Turkish Airlines Logo
2:30 pm - 3:00 pm
IAD
-
OUL
42h 30m
2 stops
Turkish Airlines Logo
8:55 am - 12:45 pm
OUL
-
IAD
33h 50m
2 stops
$1,025Turkish Airlines
Sat, Mar 14 - Sat, Mar 21
Finnair Logo
9:30 pm - 9:35 pm
BWI
-
OUL
41h 05m
2 stops
Finnair Logo
10:15 pm - 7:45 pm
OUL
-
BWI
52h 30m
2 stops
$1,060Finnair
Tue, Apr 28 - Fri, May 1
Multiple Airlines Logo
2:30 pm - 5:25 pm
IAD
-
OUL
20h 55m
3 stops
Multiple Airlines Logo
11:15 am - 12:45 pm
OUL
-
IAD
31h 30m
3 stops
$1,173Multiple Airlines
Sat, Mar 14 - Sat, Mar 21
British Airways Logo
9:30 pm - 1:00 am
BWI
-
OUL
20h 30m
2 stops
British Airways Logo
5:40 am - 7:40 pm
OUL
-
BWI
21h 00m
2 stops
$1,220British Airways
Tue, Apr 28 - Fri, May 1
Multiple Airlines Logo
8:40 pm - 9:45 pm
IAD
-
OUL
19h 05m
2 stops
Multiple Airlines Logo
11:15 am - 12:45 pm
OUL
-
IAD
31h 30m
3 stops
$1,455Multiple Airlines
Sat, Mar 14 - Sat, Mar 21

Finnair flights from Washington, D.C. to Oulu

Our best Finnair deals on Washington, D.C. to Oulu flight tickets
Finnair
Apr 24
IAD5:40 pmWashington, D.C. Dulles Intl
20h 55m
2 stops
OUL9:35 pmOulu
Apr 28
OUL6:35 pmOulu
56h 45m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$932
Finnair
Apr 24
DCA5:30 pmWashington, D.C. Reagan-National
21h 05m
2 stops
OUL9:35 pmOulu
Apr 28
OUL6:35 pmOulu
34h 42m
2 stops
DCA10:17 pmWashington, D.C. Reagan-National
$976
Finnair
Apr 24
DCA5:30 pmWashington, D.C. Reagan-National
21h 05m
2 stops
OUL9:35 pmOulu
Apr 28
OUL10:15 pmOulu
31h 02m
2 stops
DCA10:17 pmWashington, D.C. Reagan-National
$1,009

Turkish Airlines flights from Washington, D.C. to Oulu

Our best Turkish Airlines deals on Washington, D.C. to Oulu flight tickets
Turkish Airlines
Apr 24
IAD1:20 pmWashington, D.C. Dulles Intl
25h 15m
2 stops
OUL9:35 pmOulu
Apr 28
OUL5:35 pmOulu
57h 15m
2 stops
IAD7:50 pmWashington, D.C. Dulles Intl
$1,004
Turkish Airlines
Mar 14
IAD2:30 pmWashington, D.C. Dulles Intl
42h 30m
2 stops
OUL3:00 pmOulu
Mar 21
OUL8:55 amOulu
33h 50m
2 stops
IAD12:45 pmWashington, D.C. Dulles Intl
$1,025

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Oulu 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 January 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Oulu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 4/24

5:40 pm-9:35 pm

2 stops20h 55m

Oulu

Tue 4/28

6:35 pm-8:20 pm

2 stops56h 45m

$932

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Fri 4/24

5:30 pm-9:35 pm

2 stops21h 05m

Oulu

Tue 4/28

6:35 pm-10:17 pm

2 stops34h 42m

$976

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 4/24

1:20 pm-9:35 pm

2 stops25h 15m

Oulu

Tue 4/28

5:35 pm-7:50 pm

2 stops57h 15m

$1,004

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Fri 4/24

5:30 pm-9:35 pm

2 stops21h 05m

Oulu

Tue 4/28

10:15 pm-10:17 pm

2 stops31h 02m

$1,009

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sat 3/14

2:30 pm-3:00 pm

2 stops42h 30m

Oulu

Sat 3/21

8:55 am-12:45 pm

2 stops33h 50m

$1,025

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Tue 4/28

9:30 pm-9:35 pm

2 stops41h 05m

Oulu

Fri 5/1

10:15 pm-7:45 pm

2 stops52h 30m

$1,060

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sat 3/14

2:30 pm-5:25 pm

3 stops20h 55m

Oulu

Sat 3/21

11:15 am-12:45 pm

3 stops31h 30m

$1,173

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Tue 4/28

9:30 pm-1:00 am

2 stops20h 30m

Oulu

Fri 5/1

5:40 am-7:40 pm

2 stops21h 00m

$1,220

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sat 3/14

8:40 pm-9:45 pm

2 stops19h 05m

Oulu

Sat 3/21

11:15 am-12:45 pm

3 stops31h 30m

$1,455

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Oulu from

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

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. to Oulu flights?

You could potentially save up to 38% on your flight if you consider stops on a Washington, D.C. to Oulu flight.

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

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

Cheap Washington, D.C. to Oulu (WAS to OUL) flight deals and tips

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

Fastest flight time

17h 29m

Direct flights

None
The fastest flight from Washington, D.C. to Oulu takes 17h 29m
There are no direct flights from Washington, D.C. to Oulu. There are no popular flight routes from Washington, D.C. to Oulu.
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  • How far is Washington, D.C. to Oulu by plane?

    Oulu is 4151.3 mi away from Washington, D.C.. By plane, this route typically takes 17h 29m.

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

    Prices for flights from Washington, D.C. to Oulu Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Oulu Airport.

  • What documentation or ID do you need to fly to Oulu Airport?

    The travel and health documents required for your trip to Oulu Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oulu Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Oulu from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Oulu quick and easy, saving you time and money.

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

Yes. All flights to Oulu 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 Oulu?

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 Oulu.

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

Yes momondo offers price alerts on flights to Oulu from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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