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Cheap flights from Oslo Sandefjord Airport to Washington from $385

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oslo Sandefjord Airport to Washington departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Oslo Sandefjord Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
2:35 pm - 10:22 pm
TRF
-
SEA
40h 47m
2 stops
Scandinavian Airlines Logo
2:00 pm - 2:05 pm
SEA
-
TRF
39h 05m
2 stops
$743Scandinavian Airlines
Fri, Feb 27 - Mon, Mar 2
Scandinavian Airlines Logo
2:35 pm - 10:22 pm
TRF
-
SEA
40h 47m
2 stops
Scandinavian Airlines Logo
2:00 pm - 2:05 pm
SEA
-
TRF
39h 05m
2 stops
$750Scandinavian Airlines
Fri, Feb 27 - Mon, Mar 2
Lufthansa Logo
9:00 am - 4:59 pm
TRF
-
SEA
16h 59m
2 stops
Lufthansa Logo
6:50 pm - 9:10 pm
SEA
-
TRF
17h 20m
2 stops
$1,038Lufthansa
Thu, Jul 2 - Wed, Jul 15
Multiple Airlines Logo
12:10 pm - 8:40 pm
TRF
-
SEA
17h 30m
2 stops
Multiple Airlines Logo
7:00 pm - 6:00 pm
SEA
-
TRF
14h 00m
2 stops
$1,064Multiple Airlines
Sat, May 30 - Thu, Jul 2
KLM Logo
2:00 pm - 12:25 pm
TRF
-
PDX
30h 25m
2 stops
KLM Logo
1:05 pm - 9:00 pm
PDX
-
TRF
22h 55m
2 stops
$1,091KLM
Sun, Mar 15 - Mon, Mar 30
KLM Logo
2:00 pm - 12:25 pm
TRF
-
PDX
30h 25m
2 stops
KLM Logo
1:05 pm - 9:00 pm
PDX
-
TRF
22h 55m
2 stops
$1,103KLM
Sun, Mar 15 - Mon, Mar 30
Multiple Airlines Logo
9:20 pm - 3:40 pm
TRF
-
SEA
27h 20m
2 stops
Multiple Airlines Logo
10:15 pm - 9:20 am
SEA
-
TRF
26h 05m
1 stop
$1,245Multiple Airlines
Sun, Feb 15 - Mon, Mar 2
Multiple Airlines Logo
6:00 am - 5:55 pm
TRF
-
SEA
20h 55m
3 stops
Multiple Airlines Logo
6:50 pm - 9:20 pm
SEA
-
TRF
17h 30m
2 stops
$1,265Multiple Airlines
Thu, Jul 2 - Wed, Jul 15
Multiple Airlines Logo
2:35 pm - 2:20 pm
TRF
-
SEA
31h 45m
3 stops
Multiple Airlines Logo
2:10 pm - 12:25 am
SEA
-
TRF
25h 15m
2 stops
$1,328Multiple Airlines
Tue, Mar 24 - Mon, Apr 6
Multiple Airlines Logo
12:10 pm - 5:55 pm
TRF
-
SEA
14h 45m
2 stops
Multiple Airlines Logo
7:00 pm - 6:00 pm
SEA
-
TRF
14h 00m
2 stops
$1,350Multiple Airlines
Sun, May 10 - Mon, May 25

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
Feb 27
TRF2:35 pmOslo Sandefjord
40h 47m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
Mar 2
SEA2:00 pmSeattle/Tacoma Intl
39h 05m
2 stops
TRF2:05 pmOslo Sandefjord
$743
Scandinavian Airlines
Feb 27
TRF2:35 pmOslo Sandefjord
40h 47m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
Mar 2
SEA2:00 pmSeattle/Tacoma Intl
39h 05m
2 stops
TRF2:05 pmOslo Sandefjord
$750
Scandinavian Airlines
Jan 30
TRF2:35 pmOslo Sandefjord
40h 50m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Feb 2
SEA7:10 amSeattle/Tacoma Intl
21h 55m
2 stops
TRF2:05 pmOslo Sandefjord
$1,708

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
Mar 15
TRF2:00 pmOslo Sandefjord
30h 25m
2 stops
PDX12:25 pmPortland
Mar 30
PDX1:05 pmPortland
22h 55m
2 stops
TRF9:00 pmOslo Sandefjord
$1,091
KLM
Mar 15
TRF2:00 pmOslo Sandefjord
30h 25m
2 stops
PDX12:25 pmPortland
Mar 30
PDX1:05 pmPortland
22h 55m
2 stops
TRF9:00 pmOslo Sandefjord
$1,103

momondo Fare Finder

 
Customize your flight search to find flights from Oslo Sandefjord Airport to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
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

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 2/27

2:35 pm-10:22 pm

2 stops40h 47m

Seattle/Tacoma Intl

Mon 3/2

2:00 pm-2:05 pm

2 stops39h 05m

$743

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 2/27

2:35 pm-10:22 pm

2 stops40h 47m

Seattle/Tacoma Intl

Mon 3/2

2:00 pm-2:05 pm

2 stops39h 05m

$750

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 7/2

9:00 am-4:59 pm

2 stops16h 59m

Seattle/Tacoma Intl

Wed 7/15

6:50 pm-9:10 pm

2 stops17h 20m

$1,038

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 5/30

12:10 pm-8:40 pm

2 stops17h 30m

Seattle/Tacoma Intl

Thu 7/2

7:00 pm-6:00 pm

2 stops14h 00m

$1,064

OsloPortland

TRF - PDX

TRFPDX

Oslo Sandefjord

Sun 3/15

2:00 pm-12:25 pm

2 stops30h 25m

Portland

Mon 3/30

1:05 pm-9:00 pm

2 stops22h 55m

$1,091

OsloPortland

TRF - PDX

TRFPDX

Oslo Sandefjord

Sun 3/15

2:00 pm-12:25 pm

2 stops30h 25m

Portland

Mon 3/30

1:05 pm-9:00 pm

2 stops22h 55m

$1,103

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 2/15

9:20 pm-3:40 pm

2 stops27h 20m

Seattle/Tacoma Intl

Mon 3/2

10:15 pm-9:20 am

1 stop26h 05m

$1,245

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 7/2

6:00 am-5:55 pm

3 stops20h 55m

Seattle/Tacoma Intl

Wed 7/15

6:50 pm-9:20 pm

2 stops17h 30m

$1,265

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 3/24

2:35 pm-2:20 pm

3 stops31h 45m

Seattle/Tacoma Intl

Mon 4/6

2:10 pm-12:25 am

2 stops25h 15m

$1,328

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 5/10

12:10 pm-5:55 pm

2 stops14h 45m

Seattle/Tacoma Intl

Mon 5/25

7:00 pm-6:00 pm

2 stops14h 00m

$1,350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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 59m

Direct flights

None
The fastest flight from Oslo Sandefjord Airport to State of Washington takes 16h 59m
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.

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