How long does it take to fly to Oulu?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Oulu you fly into. For example, flying from Washington, D.C. to Oulu takes 15h 52m on average. On the other hand, flying from Baltimore to Oulu takes 18h 36m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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 many operators does momondo search for flights from Washington, D.C. to Oulu Airport?

The number of operators available for flights from Washington, D.C. to Oulu Airport is 1 as of April 2026.

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.

$1,131 Cheap Flights from Washington, D.C. to Oulu in 2026

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Find the cheapest flights from Washington, D.C. to Oulu

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 pm - 1:35 pm

IAD

OUL

32h 50m

2 stops

5:35 pm - 11:35 am

OUL

IAD

49h 00m

2 stops

$1,131Turkish Airlines

Sun, Aug 2 - Sat, Aug 15

3:45 pm - 1:25 am

IAD

OUL

26h 40m

3 stops

5:35 pm - 7:50 pm

OUL

IAD

33h 15m

2 stops

$1,268Multiple Airlines

Sun, Aug 2 - Sat, Aug 15

1:20 pm - 1:35 pm

IAD

OUL

17h 15m

2 stops

7:55 am - 11:35 am

OUL

IAD

34h 40m

2 stops

$1,275Turkish Airlines

Thu, Jun 11 - Thu, Jun 18

7:25 pm - 4:55 pm

DCA

OUL

14h 30m

2 stops

2:15 pm - 10:42 pm

OUL

DCA

15h 27m

2 stops

$1,400Finnair

Sun, Aug 2 - Sat, Aug 15

6:00 am - 1:25 am

DCA

OUL

36h 25m

3 stops

5:00 am - 10:31 pm

OUL

DCA

24h 31m

3 stops

$1,417Multiple Airlines

Thu, Jun 11 - Thu, Jun 18

11:59 am - 1:35 pm

BWI

OUL

18h 36m

2 stops

5:40 am - 5:15 pm

OUL

BWI

18h 35m

2 stops

$1,437Multiple Airlines

Sun, Aug 2 - Sat, Aug 15

9:30 pm - 1:00 am

BWI

OUL

20h 30m

2 stops

5:40 am - 7:40 pm

OUL

BWI

21h 00m

2 stops

$1,439British Airways

Mon, Oct 12 - Fri, Oct 16

8:30 pm - 1:25 am

BWI

OUL

21h 55m

3 stops

5:00 am - 10:15 pm

OUL

BWI

24h 15m

3 stops

$1,465Multiple Airlines

Thu, Jun 11 - Thu, Jun 18

6:40 pm - 1:00 am

DCA

OUL

23h 20m

2 stops

7:55 am - 11:14 pm

OUL

DCA

22h 19m

2 stops

$1,614Finnair

Thu, Jun 11 - Thu, Jun 18

2:59 pm - 1:00 am

DCA

OUL

27h 01m

2 stops

2:15 pm - 7:56 am

OUL

DCA

24h 41m

2 stops

$1,698British Airways

Sat, Jun 27 - Sat, Jul 4

British Airways flights from Washington, D.C. to Oulu

Our best British Airways deals on Washington, D.C. to Oulu flight tickets

British Airways

Oct 12

BWI9:30 pmBaltimore/Washington

20h 30m

2 stops

OUL1:00 amOulu

Oct 16

OUL5:40 amOulu

21h 00m

2 stops

BWI7:40 pmBaltimore/Washington

$1,439

British Airways

Jun 27

DCA2:59 pmWashington, D.C. Reagan-National

27h 01m

2 stops

OUL1:00 amOulu

Jul 4

OUL2:15 pmOulu

24h 41m

2 stops

DCA7:56 amWashington, D.C. Reagan-National

$1,698

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

Our best Turkish Airlines deals on Washington, D.C. to Oulu flight tickets

Turkish Airlines

Aug 2

IAD9:45 pmWashington, D.C. Dulles Intl

32h 50m

2 stops

OUL1:35 pmOulu

Aug 15

OUL5:35 pmOulu

49h 00m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,131

Turkish Airlines

Jun 11

IAD1:20 pmWashington, D.C. Dulles Intl

17h 15m

2 stops

OUL1:35 pmOulu

Jun 18

OUL7:55 amOulu

34h 40m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,275

Turkish Airlines

Jun 27

IAD1:20 pmWashington, D.C. Dulles Intl

25h 15m

2 stops

OUL9:35 pmOulu

Jul 4

OUL5:40 amOulu

36h 55m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,566

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sun 8/2

9:45 pm-1:35 pm

2 stops32h 50m

Oulu

Sat 8/15

5:35 pm-11:35 am

2 stops49h 00m

$1,131

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Sun 8/2

3:45 pm-1:25 am

3 stops26h 40m

Oulu

Sat 8/15

5:35 pm-7:50 pm

2 stops33h 15m

$1,268

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Thu 6/11

1:20 pm-1:35 pm

2 stops17h 15m

Oulu

Thu 6/18

7:55 am-11:35 am

2 stops34h 40m

$1,275

Quickest round-trip

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Sun 8/2

7:25 pm-4:55 pm

2 stops14h 30m

Oulu

Sat 8/15

2:15 pm-10:42 pm

2 stops15h 27m

$1,400

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Thu 6/11

6:00 am-1:25 am

3 stops36h 25m

Oulu

Thu 6/18

5:00 am-10:31 pm

3 stops24h 31m

$1,417

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Sun 8/2

11:59 am-1:35 pm

2 stops18h 36m

Oulu

Sat 8/15

5:40 am-5:15 pm

2 stops18h 35m

$1,437

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Mon 10/12

9:30 pm-1:00 am

2 stops20h 30m

Oulu

Fri 10/16

5:40 am-7:40 pm

2 stops21h 00m

$1,439

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Thu 6/11

8:30 pm-1:25 am

3 stops21h 55m

Oulu

Thu 6/18

5:00 am-10:15 pm

3 stops24h 15m

$1,465

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Thu 6/11

6:40 pm-1:00 am

2 stops23h 20m

Oulu

Thu 6/18

7:55 am-11:14 pm

2 stops22h 19m

$1,614

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Sat 6/27

2:59 pm-1:00 am

2 stops27h 01m

Oulu

Sat 7/4

2:15 pm-7:56 am

2 stops24h 41m

$1,698

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Other information

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	14h 30m
Direct flights	None

The fastest flight from Washington, D.C. to Oulu takes 14h 30m

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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Frequently asked questions about flying from Washington, D.C. to Oulu

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 14h 30m.
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 many operators does momondo search for flights from Washington, D.C. to Oulu Airport?
The number of operators available for flights from Washington, D.C. to Oulu Airport is 1 as of April 2026.
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.

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

Compare and see reviews for airlines that fly from Washington, D.C. to Oulu with momondo

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom $663	Free Cancellation	Rating 7.6 1,392 reviews		Search Finnair flights

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.