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 Baltimore to Oulu takes 16h 55m on average. On the other hand, flying from Washington, D.C. to Oulu takes 17h 29m 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 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.

$743 Cheap Flights from Washington, D.C. to Oulu in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:35 pm - 8:30 pm

BWI

OUL

16h 55m2 stops

5:35 am - 7:45 pm

OUL

BWI

20h 10m2 stops

$743Finnair

Thu, Mar 5 - Tue, Mar 10

6:20 pm - 8:30 pm

IAD

OUL

19h 10m2 stops

5:00 pm - 4:35 pm

OUL

IAD

29h 35m2 stops

$743Finnair

Thu, Mar 5 - Tue, Mar 10

5:32 pm - 4:20 pm

DCA

OUL

15h 48m2 stops

9:05 am - 11:00 pm

OUL

DCA

19h 55m2 stops

$777Multiple Airlines

Thu, Mar 5 - Tue, Mar 10

7:40 pm - 8:30 pm

BWI

OUL

17h 50m3 stops

5:00 pm - 7:40 pm

OUL

BWI

32h 40m3 stops

$983Multiple Airlines

Thu, Mar 5 - Tue, Mar 10

9:45 pm - 1:05 am

IAD

OUL

20h 20m2 stops

5:35 am - 7:55 pm

OUL

IAD

21h 20m2 stops

$1,050British Airways

Fri, Jan 23 - Fri, Jan 30

7:40 pm - 4:20 pm

IAD

OUL

13h 40m2 stops

5:00 pm - 4:35 pm

OUL

IAD

29h 35m3 stops

$1,354Multiple Airlines

Thu, Mar 5 - Tue, Mar 10

9:45 am - 4:20 pm

IAD

OUL

23h 35m3 stops

8:40 pm - 10:00 pm

OUL

IAD

31h 20m3 stops

$1,363Multiple Airlines

Thu, Mar 5 - Tue, Mar 10

7:40 pm - 4:20 pm

BWI

OUL

13h 40m2 stops

5:35 am - 7:40 pm

OUL

BWI

20h 05m3 stops

$1,366Multiple Airlines

Thu, Mar 5 - Tue, Mar 10

8:35 pm - 9:15 pm

BWI

OUL

17h 40m2 stops

9:05 am - 6:45 pm

OUL

BWI

16h 40m2 stops

$1,727Finnair

Wed, Dec 24 - Sun, Dec 28

6:05 am - 5:20 pm

DCA

OUL

28h 15m2 stops

2:25 pm - 10:46 pm

OUL

DCA

15h 21m2 stops

$1,873Multiple Airlines

Wed, Dec 24 - Sun, Dec 28

Finnair flights from Washington, D.C. to Oulu

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

Finnair

Mar 5

BWI8:35 pmBaltimore/Washington

16h 55m

2 stops

OUL8:30 pmOulu

Mar 10

OUL5:35 amOulu

20h 10m

2 stops

BWI7:45 pmBaltimore/Washington

$743

Find similar

Finnair

Dec 24

BWI8:35 pmBaltimore/Washington

17h 40m

2 stops

OUL9:15 pmOulu

Dec 28

OUL9:05 amOulu

16h 40m

2 stops

BWI6:45 pmBaltimore/Washington

$1,727

Find similar

Finnair

Dec 24

IAD9:45 pmWashington, D.C. Dulles Intl

27h 40m

2 stops

OUL8:25 amOulu

Dec 28

OUL9:05 amOulu

17h 50m

2 stops

IAD7:55 pmWashington, D.C. Dulles Intl

$1,974

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Thu 3/5

8:35 pm-8:30 pm

2 stops16h 55m

Oulu

Tue 3/10

5:35 am-7:45 pm

2 stops20h 10m

$743

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-8:30 pm

2 stops19h 10m

Oulu

Tue 3/10

5:00 pm-4:35 pm

2 stops29h 35m

$743

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Thu 3/5

5:32 pm-4:20 pm

2 stops15h 48m

Oulu

Tue 3/10

9:05 am-11:00 pm

2 stops19h 55m

$777

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Thu 3/5

7:40 pm-8:30 pm

3 stops17h 50m

Oulu

Tue 3/10

5:00 pm-7:40 pm

3 stops32h 40m

$983

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Fri 1/23

9:45 pm-1:05 am

2 stops20h 20m

Oulu

Fri 1/30

5:35 am-7:55 pm

2 stops21h 20m

$1,050

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Thu 3/5

7:40 pm-4:20 pm

2 stops13h 40m

Oulu

Tue 3/10

5:00 pm-4:35 pm

3 stops29h 35m

$1,354

Washington, D.C.Oulu

IAD - OUL

IADOUL

Washington, D.C. Dulles Intl

Thu 3/5

9:45 am-4:20 pm

3 stops23h 35m

Oulu

Tue 3/10

8:40 pm-10:00 pm

3 stops31h 20m

$1,363

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Thu 3/5

7:40 pm-4:20 pm

2 stops13h 40m

Oulu

Tue 3/10

5:35 am-7:40 pm

3 stops20h 05m

$1,366

BaltimoreOulu

BWI - OUL

BWIOUL

Baltimore/Washington

Wed 12/24

8:35 pm-9:15 pm

2 stops17h 40m

Oulu

Sun 12/28

9:05 am-6:45 pm

2 stops16h 40m

$1,727

Washington, D.C.Oulu

DCA - OUL

DCAOUL

Washington, D.C. Reagan-National

Wed 12/24

6:05 am-5:20 pm

2 stops28h 15m

Oulu

Sun 12/28

2:25 pm-10:46 pm

2 stops15h 21m

$1,873

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	15h 48m
Direct flights	None

The fastest flight from Washington, D.C. to Oulu takes 15h 48m

There are no direct flights from Washington, D.C. to Oulu. There are no popular flight routes from Washington, D.C. to Oulu.

Search flight deals

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 15h 48m.
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.

An easier way to manage your Oulu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 1/9

Fri 1/16

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland

Cheap flights from Washington, D.C. to Oulu from $743

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 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Finnair flights from Washington, D.C. to Oulu

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Oulu that are best for you.

See travel insights to Oulu from

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

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.

How long does it take to fly to Oulu?

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

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

Direct flights

How far is Washington, D.C. to Oulu by plane?

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

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Oulu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Finland

Airports servicing Finland