When did momondo last update prices for flights from Washington to Oulu Airport?

Prices for flights from Washington to Oulu Airport are updated daily.

How old do you have to be to fly from Washington to Oulu Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Oulu Airport.

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

The travel and health documents you'll need for your trip to Oulu Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oulu Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$455 Cheap Flights from Washington to Oulu in 2026

1 adult

0 bags

Find the cheapest flights from Washington to Oulu

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:31 pm - 11:50 pm

PDX

OUL

24h 19m

2 stops

7:40 am - 10:50 pm

OUL

PDX

25h 10m

2 stops

$1,114Finnair

Mon, Sep 28 - Fri, Oct 2

5:40 pm - 1:00 am

SEA

OUL

21h 20m

1 stop

5:35 pm - 4:00 pm

OUL

SEA

32h 25m

1 stop

$1,505Multiple Airlines

Fri, Jul 10 - Mon, Jul 20

7:10 pm - 9:35 pm

SEA

OUL

40h 25m

2 stops

5:35 pm - 5:15 pm

OUL

SEA

33h 40m

2 stops

$1,516Turkish Airlines

Fri, Jul 10 - Mon, Jul 20

5:40 pm - 9:35 pm

SEA

OUL

17h 55m

1 stop

10:50 am - 7:11 pm

OUL

SEA

18h 21m

2 stops

$1,541Finnair

Fri, Jul 10 - Mon, Jul 20

11:25 pm - 1:35 pm

SEA

OUL

28h 10m

2 stops

5:00 am - 5:55 pm

OUL

SEA

22h 55m

3 stops

$2,667Multiple Airlines

Fri, Jul 10 - Mon, Jul 20

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Finnair flights from State of Washington to Oulu

Our best Finnair deals on State of Washington to Oulu flight tickets

Finnair

Sep 28

PDX1:31 pmPortland

24h 19m

2 stops

OUL11:50 pmOulu

Oct 2

OUL7:40 amOulu

25h 10m

2 stops

PDX10:50 pmPortland

$1,114

Finnair

Jul 10

SEA5:40 pmSeattle/Tacoma Intl

17h 55m

1 stop

OUL9:35 pmOulu

Jul 20

OUL10:50 amOulu

18h 21m

2 stops

SEA7:11 pmSeattle/Tacoma Intl

$1,541

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOulu

PDX - OUL

PDXOUL

Portland

Mon 9/28

1:31 pm-11:50 pm

2 stops24h 19m

Oulu

Fri 10/2

7:40 am-10:50 pm

2 stops25h 10m

$1,114

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 7/10

5:40 pm-1:00 am

1 stop21h 20m

Oulu

Mon 7/20

5:35 pm-4:00 pm

1 stop32h 25m

$1,505

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 7/10

7:10 pm-9:35 pm

2 stops40h 25m

Oulu

Mon 7/20

5:35 pm-5:15 pm

2 stops33h 40m

$1,516

Quickest round-trip

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 7/10

5:40 pm-9:35 pm

1 stop17h 55m

Oulu

Mon 7/20

10:50 am-7:11 pm

2 stops18h 21m

$1,541

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Fri 7/10

11:25 pm-1:35 pm

2 stops28h 10m

Oulu

Mon 7/20

5:00 am-5:55 pm

3 stops22h 55m

$2,667

Cheapest one-way

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Tue 7/7

11:25 pm-1:25 am

3 stops40h 00m

$455

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 7/15

7:00 pm-7:15 am

3 stops26h 15m

$484

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Wed 7/15

7:10 pm-7:15 am

2 stops26h 05m

$633

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Tue 7/7

5:40 pm-7:15 am

1 stop27h 35m

$724

Quickest one-way

SeattleOulu

SEA - OUL

SEAOUL

Seattle/Tacoma Intl

Tue 7/7

11:25 pm-7:15 am

2 stops21h 50m

$869

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

What is the cheapest airline that flies from Washington to Oulu?

Finnair is the most popular carrier operating from Washington to Oulu

Cheap State of Washington to Oulu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Oulu

Fastest flight time	21h 20m
Direct flights	None

The fastest flight from State of Washington to Oulu takes 21h 20m

There are no direct flights from State of Washington to Oulu. There are no popular flight routes from State of Washington to Oulu.

Search flight deals

Frequently asked questions about flying from Washington to Oulu

When did momondo last update prices for flights from Washington to Oulu Airport?
Prices for flights from Washington to Oulu Airport are updated daily.
How old do you have to be to fly from Washington to Oulu Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Oulu Airport.
What documentation or ID do you need to fly to Oulu Airport?
The travel and health documents you'll need for your trip to Oulu Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oulu Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Oulu?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Oulu for you.

Can I find flights from Washington to Oulu with flexible booking policies on momondo?

All flight searches from Washington to Oulu on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Oulu?

momondo provides multiple filters to help you find the best flight to Oulu from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Washington to Oulu flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.