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

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 Oslo Sandefjord Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$355 Cheap Flights from Oslo Sandefjord Airport to State of Washington in 2026

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Find the cheapest flights from Oslo Sandefjord Airport to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:51 pm

TRF

SEA

26h 51m

2 stops

7:00 am - 2:30 pm

SEA

TRF

22h 30m

2 stops

$687Scandinavian Airlines

Fri, Apr 24 - Mon, Apr 27

6:00 am - 8:43 pm

TRF

SEA

23h 43m

2 stops

7:00 am - 12:25 am

SEA

TRF

32h 25m

2 stops

$717Scandinavian Airlines

Fri, Apr 24 - Mon, Apr 27

6:00 am - 11:51 pm

TRF

SEA

26h 51m

2 stops

7:20 am - 2:30 pm

SEA

TRF

22h 10m

2 stops

$730Scandinavian Airlines

Fri, Apr 24 - Mon, Apr 27

6:00 am - 8:43 pm

TRF

SEA

23h 43m

2 stops

7:20 am - 2:30 pm

SEA

TRF

22h 10m

2 stops

$778Scandinavian Airlines

Fri, Apr 24 - Mon, Apr 27

6:00 am - 11:51 pm

TRF

SEA

26h 51m

2 stops

10:35 am - 12:25 am

SEA

TRF

28h 50m

2 stops

$796Scandinavian Airlines

Fri, Apr 24 - Mon, Apr 27

8:55 pm - 1:45 pm

TRF

SEA

25h 50m

1 stop

3:55 pm - 12:25 am

SEA

TRF

23h 30m

1 stop

$899Scandinavian Airlines

Fri, Jul 24 - Sun, Aug 9

12:10 pm - 11:10 am

TRF

PDX

32h 00m

2 stops

1:05 pm - 2:30 pm

PDX

TRF

16h 25m

2 stops

$922KLM

Sun, Apr 12 - Mon, Apr 27

8:55 pm - 1:45 pm

TRF

SEA

25h 50m

1 stop

3:55 pm - 12:25 am

SEA

TRF

23h 30m

1 stop

$931Scandinavian Airlines

Fri, Jul 24 - Sun, Aug 9

8:55 pm - 1:45 pm

TRF

SEA

25h 50m

1 stop

3:55 pm - 12:25 am

SEA

TRF

23h 30m

1 stop

$935Scandinavian Airlines

Fri, Jul 24 - Sun, Aug 9

12:10 pm - 8:40 pm

TRF

SEA

17h 30m

2 stops

7:00 pm - 6:35 pm

SEA

TRF

14h 35m

2 stops

$948Multiple Airlines

Sun, May 3 - Fri, May 8

Air France flights from Oslo Sandefjord Airport to State of Washington

Our best Air France deals on Oslo Sandefjord Airport to State of Washington flight tickets

Air France

Jul 24

TRF3:30 pmOslo Sandefjord

28h 45m

2 stops

SEA11:15 amSeattle/Tacoma Intl

Aug 9

SEA1:30 pmSeattle/Tacoma Intl

22h 40m

2 stops

TRF9:10 pmOslo Sandefjord

$1,454

Air France

Jul 24

TRF3:30 pmOslo Sandefjord

28h 45m

2 stops

SEA11:15 amSeattle/Tacoma Intl

Aug 9

SEA1:30 pmSeattle/Tacoma Intl

22h 40m

2 stops

TRF9:10 pmOslo Sandefjord

$1,518

Air France

Jul 24

TRF3:30 pmOslo Sandefjord

28h 45m

2 stops

SEA11:15 amSeattle/Tacoma Intl

Aug 9

SEA1:30 pmSeattle/Tacoma Intl

22h 40m

2 stops

TRF9:10 pmOslo Sandefjord

$1,525

Scandinavian Airlines flights from Oslo Sandefjord Airport to State of Washington

Our best Scandinavian Airlines deals on Oslo Sandefjord Airport to State of Washington flight tickets

Scandinavian Airlines

Apr 24

TRF6:00 amOslo Sandefjord

26h 51m

2 stops

SEA11:51 pmSeattle/Tacoma Intl

Apr 27

SEA7:00 amSeattle/Tacoma Intl

22h 30m

2 stops

TRF2:30 pmOslo Sandefjord

$687

Scandinavian Airlines

Apr 24

TRF6:00 amOslo Sandefjord

23h 43m

2 stops

SEA8:43 pmSeattle/Tacoma Intl

Apr 27

SEA7:00 amSeattle/Tacoma Intl

32h 25m

2 stops

TRF12:25 amOslo Sandefjord

$717

Scandinavian Airlines

Apr 24

TRF6:00 amOslo Sandefjord

26h 51m

2 stops

SEA11:51 pmSeattle/Tacoma Intl

Apr 27

SEA7:20 amSeattle/Tacoma Intl

22h 10m

2 stops

TRF2:30 pmOslo Sandefjord

$730

momondo Fare Finder

Use the filters below to find and compare flights from Oslo Sandefjord Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 4/24

6:00 am-11:51 pm

2 stops26h 51m

Seattle/Tacoma Intl

Mon 4/27

7:00 am-2:30 pm

2 stops22h 30m

$687

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 4/24

6:00 am-8:43 pm

2 stops23h 43m

Seattle/Tacoma Intl

Mon 4/27

7:00 am-12:25 am

2 stops32h 25m

$717

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 4/24

6:00 am-11:51 pm

2 stops26h 51m

Seattle/Tacoma Intl

Mon 4/27

7:20 am-2:30 pm

2 stops22h 10m

$730

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 4/24

6:00 am-8:43 pm

2 stops23h 43m

Seattle/Tacoma Intl

Mon 4/27

7:20 am-2:30 pm

2 stops22h 10m

$778

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 4/24

6:00 am-11:51 pm

2 stops26h 51m

Seattle/Tacoma Intl

Mon 4/27

10:35 am-12:25 am

2 stops28h 50m

$796

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 7/24

8:55 pm-1:45 pm

1 stop25h 50m

Seattle/Tacoma Intl

Sun 8/9

3:55 pm-12:25 am

1 stop23h 30m

$899

OsloPortland

TRF - PDX

TRFPDX

Oslo Sandefjord

Sun 4/12

12:10 pm-11:10 am

2 stops32h 00m

Portland

Mon 4/27

1:05 pm-2:30 pm

2 stops16h 25m

$922

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 7/24

8:55 pm-1:45 pm

1 stop25h 50m

Seattle/Tacoma Intl

Sun 8/9

3:55 pm-12:25 am

1 stop23h 30m

$931

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 7/24

8:55 pm-1:45 pm

1 stop25h 50m

Seattle/Tacoma Intl

Sun 8/9

3:55 pm-12:25 am

1 stop23h 30m

$935

Quickest round-trip

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 5/3

12:10 pm-8:40 pm

2 stops17h 30m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-6:35 pm

2 stops14h 35m

$948

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oslo Sandefjord Airport to State of Washington

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 Oslo Sandefjord to Washington?

Scandinavian Airlines is the most popular carrier operating from Oslo Sandefjord to Washington

Cheap Oslo Sandefjord Airport to State of Washington flight deals and tips

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

Fastest flight time	17h 30m
Direct flights	None

The fastest flight from Oslo Sandefjord Airport to State of Washington takes 17h 30m

There are no direct flights from Oslo Sandefjord Airport to State of Washington. There are no popular flight routes from Oslo Sandefjord Airport to State of Washington.

Search flight deals

When did momondo last update prices for flights from Oslo Sandefjord Airport to Washington?
Prices for flights from Oslo Sandefjord Airport to Washington refresh daily.
How old do you have to be to fly from Oslo Sandefjord Airport to Washington?
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 Oslo Sandefjord Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington 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 Washington. 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 Oslo to Washington?

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 Oslo to Washington for you.

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

momondo does allow users to show only those flights to Washington from Oslo which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Oslo.

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

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Oslo and alert you when they change.