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Cheap flights from Oslo Gardermoen Airport to Washington from $379

This is the cheapest round-trip 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 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Oslo Gardermoen Airport to Washington

Cheap round-trip flights

Icelandair Logo
1:50 pm - 5:55 pmOSL-PDX
13h 05m1 stop
Icelandair Logo
3:45 pm - 11:35 amPDX-OSL
11h 50m1 stop
$379Icelandair
Find Deal
Fri, Oct 17 - Thu, Oct 30
Scandinavian Airlines Logo
3:10 pm - 2:00 pmOSL-SEA
31h 50m1 stop
Scandinavian Airlines Logo
4:20 pm - 4:00 pmSEA-OSL
14h 40m1 stop
$437Scandinavian Airlines
Find Deal
Sat, Oct 4 - Fri, Oct 17
Lufthansa Logo
6:35 am - 6:36 pmOSL-SEA
21h 01m2 stops
Lufthansa Logo
6:50 pm - 10:10 pmSEA-OSL
18h 20m1 stop
$446Lufthansa
Find Deal
Mon, Oct 6 - Sun, Oct 19
Lufthansa Logo
6:35 am - 6:36 pmOSL-SEA
21h 01m2 stops
Lufthansa Logo
6:50 pm - 10:10 pmSEA-OSL
18h 20m1 stop
$447Lufthansa
Find Deal
Mon, Oct 6 - Sun, Oct 19
British Airways Logo
7:50 am - 7:14 pmOSL-PDX
20h 24m2 stops
British Airways Logo
1:51 pm - 11:35 pmPDX-OSL
25h 44m2 stops
$449British Airways
Find Deal
Fri, Oct 17 - Thu, Oct 30
Delta Logo
11:50 am - 9:00 pmOSL-SEA
18h 10m2 stops
Delta Logo
8:25 pm - 8:40 pmSEA-OSL
15h 15m1 stop
$454Delta
Find Deal
Tue, Sep 9 - Mon, Sep 22
Delta Logo
11:50 am - 4:05 pmOSL-SEA
13h 15m1 stop
Delta Logo
1:35 pm - 6:50 pmSEA-OSL
20h 15m2 stops
$456Delta
Find Deal
Fri, Oct 10 - Fri, Oct 17
American Airlines Logo
8:00 am - 11:10 amOSL-SEA
36h 10m1 stop
American Airlines Logo
2:52 pm - 11:40 pmSEA-OSL
23h 48m2 stops
$459American Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 19
British Airways Logo
7:50 am - 7:09 pmOSL-SEA
20h 19m2 stops
British Airways Logo
8:20 pm - 10:30 pmSEA-OSL
17h 10m1 stop
$461British Airways
Find Deal
Fri, Oct 3 - Fri, Oct 17
American Airlines Logo
8:00 am - 11:10 amOSL-SEA
36h 10m1 stop
American Airlines Logo
8:20 pm - 10:25 amSEA-OSL
29h 05m1 stop
$463American Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 19

Scandinavian Airlines flights from Oslo Gardermoen Airport to State of Washington

Our best Scandinavian Airlines deals on Oslo Gardermoen Airport to State of Washington flight tickets
Scandinavian Airlines
Oct 4
OSL3:10 pmOslo Gardermoen
31h 50m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Oct 17
SEA4:20 pmSeattle/Tacoma Intl
14h 40m
1 stop
OSL4:00 pmOslo Gardermoen
$437
Find similar
Scandinavian Airlines
Oct 2
OSL8:55 pmOslo Gardermoen
26h 05m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Oct 5
SEA4:20 pmSeattle/Tacoma Intl
18h 55m
1 stop
OSL8:15 pmOslo Gardermoen
$448
Find similar
Scandinavian Airlines
Oct 6
OSL1:25 pmOslo Gardermoen
17h 57m
1 stop
SEA10:22 pmSeattle/Tacoma Intl
Oct 19
SEA4:20 pmSeattle/Tacoma Intl
11h 35m
1 stop
OSL12:55 pmOslo Gardermoen
$478
Find similar

Air Canada flights from Oslo Gardermoen Airport to State of Washington

Our best Air Canada deals on Oslo Gardermoen Airport to State of Washington flight tickets
Air Canada
Oct 6
OSL6:35 amOslo Gardermoen
24h 51m
2 stops
SEA10:26 pmSeattle/Tacoma Intl
Oct 19
SEA10:00 amSeattle/Tacoma Intl
17h 15m
2 stops
OSL12:15 pmOslo Gardermoen
$444
Find similar
Air Canada
Oct 6
OSL6:35 amOslo Gardermoen
21h 01m
2 stops
SEA6:36 pmSeattle/Tacoma Intl
Oct 19
SEA7:30 amSeattle/Tacoma Intl
22h 15m
2 stops
OSL2:45 pmOslo Gardermoen
$445
Find similar
Air Canada
Nov 23
OSL6:05 amOslo Gardermoen
21h 25m
2 stops
PDX6:30 pmPortland
Dec 2
PDX9:50 amPortland
22h 50m
2 stops
OSL5:40 pmOslo Gardermoen
$475
Find similar

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 August 27, 2025.
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

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 10/17

1:50 pm-5:55 pm

1 stop13h 05m

Portland

Thu 10/30

3:45 pm-11:35 am

1 stop11h 50m

$379

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 10/4

3:10 pm-2:00 pm

1 stop31h 50m

Seattle/Tacoma Intl

Fri 10/17

4:20 pm-4:00 pm

1 stop14h 40m

$437

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 10/6

6:35 am-6:36 pm

2 stops21h 01m

Seattle/Tacoma Intl

Sun 10/19

6:50 pm-10:10 pm

1 stop18h 20m

$446

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 10/6

6:35 am-6:36 pm

2 stops21h 01m

Seattle/Tacoma Intl

Sun 10/19

6:50 pm-10:10 pm

1 stop18h 20m

$447

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 10/17

7:50 am-7:14 pm

2 stops20h 24m

Portland

Thu 10/30

1:51 pm-11:35 pm

2 stops25h 44m

$449

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 9/9

11:50 am-9:00 pm

2 stops18h 10m

Seattle/Tacoma Intl

Mon 9/22

8:25 pm-8:40 pm

1 stop15h 15m

$454

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 10/10

11:50 am-4:05 pm

1 stop13h 15m

Seattle/Tacoma Intl

Fri 10/17

1:35 pm-6:50 pm

2 stops20h 15m

$456

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 10/6

8:00 am-11:10 am

1 stop36h 10m

Seattle/Tacoma Intl

Sun 10/19

2:52 pm-11:40 pm

2 stops23h 48m

$459

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 10/3

7:50 am-7:09 pm

2 stops20h 19m

Seattle/Tacoma Intl

Fri 10/17

8:20 pm-10:30 pm

1 stop17h 10m

$461

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 10/6

8:00 am-11:10 am

1 stop36h 10m

Seattle/Tacoma Intl

Sun 10/19

8:20 pm-10:25 am

1 stop29h 05m

$463

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 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 October is, on average, the cheapest month to fly to State of Washington from Oslo Gardermoen Airport, with most prices found around $458. If you aren’t able to travel to State of Washington during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $465.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Oslo Gardermoen Airport to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $536. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Oslo Gardermoen Airport to State of Washington for around $769.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $536. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $662 on average. Flights to State of Washington from Oslo Gardermoen Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $577 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 $480 on momondo.

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

You could potentially save up to 48% 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

Direct flights

None
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.
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  • 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 $399Free CancellationRating
7.0
533 reviews
Search Icelandair flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $419Free CancellationRating
6.7
7,310 reviews
Search British Airways flights
LufthansaPriceFrom $423Free CancellationRating
6.8
7,363 reviews
Search Lufthansa flights
DeltaPriceFrom $452Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $603Free CancellationRating
7.4
1,480 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.

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