Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Oslo Gardermoen Airport to Washington from $250

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 Gardermoen Airport to Washington departing on 4/7. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Oslo Gardermoen Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
9:30 pm - 5:00 pm
OSL
-
SEA
28h 30m
1 stop
Icelandair Logo
2:35 pm - 11:35 am
SEA
-
OSL
12h 00m
1 stop
$345Icelandair
Sun, Feb 1 - Mon, Feb 16
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
SEA
12h 50m
1 stop
Icelandair Logo
3:35 pm - 11:35 am
SEA
-
OSL
12h 00m
1 stop
$381Icelandair
Wed, Mar 4 - Wed, Mar 11
Icelandair Logo
1:50 pm - 5:55 pm
OSL
-
SEA
13h 05m
1 stop
Icelandair Logo
3:40 pm - 12:35 pm
SEA
-
OSL
11h 55m
1 stop
$396Icelandair
Sun, Apr 5 - Sun, Apr 12
Multiple Airlines Logo
9:25 am - 11:40 am
OSL
-
SEA
35h 15m
1 stop
Multiple Airlines Logo
2:15 pm - 11:35 pm
SEA
-
OSL
24h 20m
1 stop
$471Multiple Airlines
Sun, Feb 1 - Mon, Feb 16
American Airlines Logo
11:35 am - 5:40 pm
OSL
-
PDX
15h 05m
1 stop
American Airlines Logo
11:40 pm - 10:30 am
PDX
-
OSL
25h 50m
2 stops
$490American Airlines
Wed, Apr 22 - Sun, Apr 26
American Airlines Logo
11:35 am - 9:38 pm
OSL
-
PDX
43h 03m
2 stops
American Airlines Logo
11:59 pm - 11:25 pm
PDX
-
OSL
38h 26m
2 stops
$496American Airlines
Wed, Apr 22 - Sun, Apr 26
Finnair Logo
6:20 am - 9:58 pm
OSL
-
PDX
24h 38m
2 stops
Finnair Logo
6:28 am - 11:55 pm
PDX
-
OSL
33h 27m
2 stops
$537Finnair
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
11:35 am - 5:40 pm
OSL
-
PDX
15h 05m
1 stop
Multiple Airlines Logo
7:30 pm - 11:20 pm
PDX
-
OSL
18h 50m
1 stop
$564Multiple Airlines
Wed, May 20 - Tue, Jun 16
British Airways Logo
5:45 pm - 5:40 pm
OSL
-
PDX
32h 55m
1 stop
British Airways Logo
8:00 am - 4:25 pm
PDX
-
OSL
23h 25m
2 stops
$579British Airways
Tue, Mar 31 - Tue, Apr 14
British Airways Logo
6:55 am - 12:15 am
OSL
-
PDX
25h 20m
2 stops
British Airways Logo
1:55 pm - 11:20 pm
PDX
-
OSL
24h 25m
2 stops
$585British Airways
Wed, Mar 25 - Tue, Apr 14

Lufthansa flights from Oslo Gardermoen Airport to State of Washington

Our best Lufthansa deals on Oslo Gardermoen Airport to State of Washington flight tickets
Lufthansa
Feb 1
OSL6:30 pmOslo Gardermoen
26h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Feb 16
SEA7:00 amSeattle/Tacoma Intl
25h 30m
2 stops
OSL5:30 pmOslo Gardermoen
$476
Lufthansa
Mar 5
OSL1:45 pmOslo Gardermoen
31h 25m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Mar 12
SEA3:00 pmSeattle/Tacoma Intl
16h 40m
1 stop
OSL3:40 pmOslo Gardermoen
$486
Lufthansa
Feb 1
OSL6:30 pmOslo Gardermoen
35h 27m
2 stops
SEA8:57 pmSeattle/Tacoma Intl
Feb 16
SEA7:00 amSeattle/Tacoma Intl
25h 30m
2 stops
OSL5:30 pmOslo Gardermoen
$489

Icelandair flights from Oslo Gardermoen Airport to State of Washington

Our best Icelandair deals on Oslo Gardermoen Airport to State of Washington flight tickets
Icelandair
Feb 1
OSL9:30 pmOslo Gardermoen
28h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 16
SEA2:35 pmSeattle/Tacoma Intl
12h 00m
1 stop
OSL11:35 amOslo Gardermoen
$345
Icelandair
Mar 4
OSL1:10 pmOslo Gardermoen
12h 50m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Mar 11
SEA3:35 pmSeattle/Tacoma Intl
12h 00m
1 stop
OSL11:35 amOslo Gardermoen
$381
Icelandair
Apr 5
OSL1:50 pmOslo Gardermoen
13h 05m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
Apr 12
SEA3:40 pmSeattle/Tacoma Intl
11h 55m
1 stop
OSL12:35 pmOslo Gardermoen
$396

momondo Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen 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 20, 2026.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 2/1

9:30 pm-5:00 pm

1 stop28h 30m

Seattle/Tacoma Intl

Mon 2/16

2:35 pm-11:35 am

1 stop12h 00m

$345

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 3/4

1:10 pm-5:00 pm

1 stop12h 50m

Seattle/Tacoma Intl

Wed 3/11

3:35 pm-11:35 am

1 stop12h 00m

$381

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 4/5

1:50 pm-5:55 pm

1 stop13h 05m

Seattle/Tacoma Intl

Sun 4/12

3:40 pm-12:35 pm

1 stop11h 55m

$396

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 2/1

9:25 am-11:40 am

1 stop35h 15m

Seattle/Tacoma Intl

Mon 2/16

2:15 pm-11:35 pm

1 stop24h 20m

$471

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 4/22

11:35 am-5:40 pm

1 stop15h 05m

Portland

Sun 4/26

11:40 pm-10:30 am

2 stops25h 50m

$490

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 4/22

11:35 am-9:38 pm

2 stops43h 03m

Portland

Sun 4/26

11:59 pm-11:25 pm

2 stops38h 26m

$496

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 3/5

6:20 am-9:58 pm

2 stops24h 38m

Portland

Thu 3/12

6:28 am-11:55 pm

2 stops33h 27m

$537

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 5/20

11:35 am-5:40 pm

1 stop15h 05m

Portland

Tue 6/16

7:30 pm-11:20 pm

1 stop18h 50m

$564

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 3/31

5:45 pm-5:40 pm

1 stop32h 55m

Portland

Tue 4/14

8:00 am-4:25 pm

2 stops23h 25m

$579

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 3/25

6:55 am-12:15 am

2 stops25h 20m

Portland

Tue 4/14

1:55 pm-11:20 pm

2 stops24h 25m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

How to get the cheapest flight ticket from Oslo Gardermoen 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 month to fly to State of Washington?

The month of May is, on average, the cheapest month to fly to State of Washington from Oslo Gardermoen Airport, with most prices found around $484. If you aren’t able to travel to State of Washington during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $505.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Oslo Gardermoen Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $611 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Oslo Gardermoen Airport for as low as $505 on momondo.

Can stopping save me money on Oslo Gardermoen Airport to State of Washington flights?

You could potentially save up to 53% on your flight if you consider stops on a Oslo Gardermoen Airport to State of Washington flight.

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

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

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from Oslo Gardermoen Airport to State of Washington takes 12h 50m
There are no direct flights from Oslo Gardermoen Airport to State of Washington. There are no popular flight routes from Oslo Gardermoen Airport to State of Washington.
Search flight deals

  • When did momondo last update prices for flights from Oslo Gardermoen Airport to Washington?

    Prices for flights from Oslo Gardermoen Airport to Washington were last updated today.

  • How many operators does momondo search for flights from Oslo Gardermoen Airport to Washington?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Washington.

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

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oslo Gardermoen Airport to State of Washington

Compare and see reviews for airlines that fly from Oslo Gardermoen Airport to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $395Free CancellationRating
7.1
602 reviews
Search Icelandair flights
LufthansaPriceFrom $436Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
DeltaPriceFrom $452Free CancellationRating
7.9
8,085 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $603Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights

Why use momondo?

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

It is quick and easy to find Oslo to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

Yes. All flights to Washington from Oslo on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Oslo and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington from Oslo. 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 State of Washington 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
Thu 2/19
Thu 2/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $49
Flights to Los Angelesfrom $46
Flights to Miamifrom $34
Flights to Chicagofrom $57
Flights to Orlandofrom $49
Flights to San Franciscofrom $48
Flights to Las Vegasfrom $46
Flights to Washington, D.C.from $52
Flights to Bostonfrom $59
Flights to Atlantafrom $49
Flights to Dallasfrom $62
Flights to Seattlefrom $56