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.

$464 Cheap Flights from Oslo Sandefjord Airport to State of Washington in 2026

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 - 1:45 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

16h 45m1 stop Kastrup Copenhagen

3:55 pm - 12:25 amSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

23h 30m1 stop Kastrup Copenhagen

$580Scandinavian Airlines

Sat, Sep 12 - Sun, Sep 27

6:00 am - 1:45 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

16h 45m1 stop Kastrup Copenhagen

3:55 pm - 12:25 amSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

23h 30m1 stop Kastrup Copenhagen

$642Scandinavian Airlines

Tue, Sep 29 - Sun, Oct 11

3:05 pm - 1:45 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

31h 40m1 stop Kastrup Copenhagen

3:55 pm - 2:30 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

13h 35m1 stop Kastrup Copenhagen

$642Scandinavian Airlines

Thu, Oct 1 - Sun, Oct 11

6:00 am - 1:45 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

16h 45m1 stop Kastrup Copenhagen

7:15 am - 2:30 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

22h 15m2 stops San Francisco Kastrup Copenhagen

$661Scandinavian Airlines

Sat, Sep 12 - Sun, Sep 27

6:00 am - 1:45 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

16h 45m1 stop Kastrup Copenhagen

7:15 am - 2:30 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

22h 15m2 stops San Francisco Kastrup Copenhagen

$685Scandinavian Airlines

Sat, Sep 12 - Sun, Sep 27

6:00 am - 1:45 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

16h 45m1 stop Kastrup Copenhagen

7:15 am - 2:30 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

22h 15m2 stops San Francisco Kastrup Copenhagen

$696Scandinavian Airlines

Sat, Sep 12 - Sun, Sep 27

6:00 am - 8:04 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

23h 04m2 stops Kastrup Copenhagen San Francisco

10:39 am - 2:05 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

18h 26m2 stops Chicago O'Hare Intl Kastrup Copenhagen

$743Scandinavian Airlines

Wed, Nov 4 - Sun, Nov 8

6:00 am - 8:04 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

23h 04m2 stops Kastrup Copenhagen San Francisco

7:15 am - 2:05 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

21h 50m2 stops Chicago O'Hare Intl Kastrup Copenhagen

$781Scandinavian Airlines

Wed, Nov 4 - Sun, Nov 8

6:00 am - 8:04 pmTRF Oslo Sandefjord-SEA Seattle/Tacoma Intl

23h 04m2 stops Kastrup Copenhagen San Francisco

7:15 am - 2:05 pmSEA Seattle/Tacoma Intl-TRF Oslo Sandefjord

21h 50m2 stops Chicago O'Hare Intl Kastrup Copenhagen

$782Scandinavian Airlines

Wed, Nov 4 - Sun, Nov 8

6:00 am - 10:19 pmTRF Oslo Sandefjord-PDX Portland

25h 19m2 stops Kastrup Copenhagen Los Angeles Los Angeles

1:05 pm - 2:05 pmPDX Portland-TRF Oslo Sandefjord

40h 00m2 stops Los Angeles Los Angeles Kastrup Copenhagen

$809Scandinavian Airlines

Fri, Nov 6 - Sun, Nov 8

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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

Sep 12

TRF6:00 amOslo Sandefjord

26h 20m

2 stops

SEA11:20 pmSeattle/Tacoma Intl

Sep 27

SEA1:30 pmSeattle/Tacoma Intl

16h 00m

2 stops

TRF2:30 pmOslo Sandefjord

$918

Air France

Sep 12

TRF6:00 amOslo Sandefjord

20h 48m

2 stops

SEA5:48 pmSeattle/Tacoma Intl

Sep 27

SEA6:45 pmSeattle/Tacoma Intl

20h 40m

2 stops

TRF12:25 amOslo Sandefjord

$940

KLM flights from Oslo Sandefjord Airport to State of Washington

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

KLM

Sep 12

TRF6:00 amOslo Sandefjord

26h 20m

2 stops

SEA11:20 pmSeattle/Tacoma Intl

Sep 27

SEA10:35 amSeattle/Tacoma Intl

18h 55m

3 stops

TRF2:30 pmOslo Sandefjord

$968

KLM

Oct 5

TRF6:00 amOslo Sandefjord

19h 35m

2 stops

SEA4:35 pmSeattle/Tacoma Intl

Oct 18

SEA5:45 pmSeattle/Tacoma Intl

18h 25m

2 stops

TRF9:10 pmOslo Sandefjord

$1,012

KLM

Sep 12

TRF6:00 amOslo Sandefjord

26h 20m

2 stops

SEA11:20 pmSeattle/Tacoma Intl

Sep 27

SEA10:35 amSeattle/Tacoma Intl

18h 55m

3 stops

TRF2:30 pmOslo Sandefjord

$1,205

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 Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Sat 9/12

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 9/27

3:55 pm-12:25 am

1 stop23h 30m

$580

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Tue 9/29

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 10/11

3:55 pm-12:25 am

1 stop23h 30m

$642

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Thu 10/1

3:05 pm-1:45 pm

1 stop31h 40m

Seattle/Tacoma Intl

Sun 10/11

3:55 pm-2:30 pm

1 stop13h 35m

$642

Quickest round-trip

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Sat 9/12

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 9/27

7:15 am-2:30 pm

2 stops22h 15m

$661

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Sat 9/12

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 9/27

7:15 am-2:30 pm

2 stops22h 15m

$685

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Sat 9/12

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 9/27

7:15 am-2:30 pm

2 stops22h 15m

$696

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Wed 11/4

6:00 am-8:04 pm

2 stops23h 04m

Seattle/Tacoma Intl

Sun 11/8

10:39 am-2:05 pm

2 stops18h 26m

$743

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Wed 11/4

6:00 am-8:04 pm

2 stops23h 04m

Seattle/Tacoma Intl

Sun 11/8

7:15 am-2:05 pm

2 stops21h 50m

$781

OsloSeattle

TRF Oslo Sandefjord - SEA Seattle/Tacoma Intl

TRFSEA

Oslo Sandefjord

Wed 11/4

6:00 am-8:04 pm

2 stops23h 04m

Seattle/Tacoma Intl

Sun 11/8

7:15 am-2:05 pm

2 stops21h 50m

$782

OsloPortland

TRF Oslo Sandefjord - PDX Portland

TRFPDX

Oslo Sandefjord

Fri 11/6

6:00 am-10:19 pm

2 stops25h 19m

Portland

Sun 11/8

1:05 pm-2:05 pm

2 stops40h 00m

$809

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	16h 45m
Direct flights	None

The fastest flight from Oslo Sandefjord Airport to State of Washington takes 16h 45m

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

Frequently asked questions about flying from Oslo Sandefjord Airport to Washington

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.