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Cheap flights from Oslo Gardermoen Airport to Seattle from £344

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SEA
26 Dec — 2 Jan1
1 adult

Cheap flight deals from Oslo Gardermoen to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 December 2024.

Round-trip from

£344

Popular in

August

Cheapest in

October

Average price

£518
United Airlines
  • United Airlines
  • 19/2-27/2
  • 4 total stops
  • 76h 25m total
  • Oslo to Seattle
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High demand for flights, 18% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Oslo Gardermoen to Seattle

Cheapest flights from Oslo Gardermoen to Seattle
Explore the most affordable flight options available from Oslo Gardermoen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2024.

Fri 27/1206:30OSL - SEA
2 stops23h 45mUnited Airlines
Thu 2/106:05SEA - OSL
2 stops24h 25mUnited Airlines
Deal found 21/12£641

Find flights from Oslo Gardermoen to Seattle within your budget

Customise your flight search to find flights from Oslo Gardermoen to Seattle 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, Cheapflights users made 858,174 searches. Data last updated 21 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 19/2

09:45-21:30

2 stops44h 45m

Seattle/Tacoma Intl

Thu 27/2

07:05-23:45

2 stops31h 40m

£344

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 3/2

18:45-22:00

2 stops36h 15m

Seattle/Tacoma Intl

Wed 19/2

12:25-08:20

3 stops34h 55m

£944

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 21/5

09:55-09:28

3 stops32h 33m

Seattle/Tacoma Intl

Sat 31/5

23:35-14:10

3 stops29h 35m

£1,222

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 19/2

18:45-20:19

4 stops58h 34m

Seattle/Tacoma Intl

Thu 27/2

08:10-07:45

4 stops38h 35m

£2,000

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 21/1

13:10-17:00

1 stop12h 50m

£358

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 19/1

07:15-20:04

2 stops21h 49m

£472

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sun 19/1

17:00-11:51

1 stop27h 51m

£535

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 16/1

12:00-17:05

1 stop38h 05m

£556

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 18/1

10:00-11:16

3 stops34h 16m

£634

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Mon 6/1

09:20-15:15

2 stops38h 55m

£986

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 13 results
1
2

Best time to book a flight from Oslo Gardermoen to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Oslo Gardermoen with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Oslo Gardermoen to Seattle

Get recent, data-driven insights about flights from Oslo Gardermoen to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Oslo Gardermoen Airport to Seattle?

Use this chart to determine the optimal time to book a return flight from Oslo Gardermoen to Seattle. Price data was last updated on 13 December 2024.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Seattle (average of £622). Flying from Oslo Gardermoen Airport to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 21 December 2024.
Delta
8.0
Very Good
8,597 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,597 reviews
Delta
8.0
Very Good
8,597 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,344 reviews
Delta
8.0
Very Good
8,597 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,282 reviews
Delta
8.0
Very Good
8,597 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,039 reviews
Delta
8.0
Very Good
8,597 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.3
Good
3,899 reviews
Delta
8.0
Very Good
8,597 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Oslo Gardermoen?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Oslo Gardermoen to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from Oslo Gardermoen on a regular basis. Booking flights from Oslo Gardermoen to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Oslo Gardermoen per day.

  • What are the cheapest airlines flying from Oslo Gardermoen Airport to Seattle round-trip?

    United Airlines, at £344, was found to be the cheapest airline from Oslo Gardermoen Airport to Seattle.Alternate airlines flying return to your destination include TAP AIR PORTUGAL and Ethiopian Air. United Airlines is currently priced 24% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Oslo Gardermoen Airport to Seattle one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £358. Finnair flights start at £472 while deals on KLM start at £535 one-way.

  • Can I find deals for flights from Oslo Gardermoen to Seattle that include hotel bookings?

    Yes. In addition to deals on Oslo Gardermoen to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Oslo Gardermoen to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to Seattle.

  • Can I find deals for business class flights from Oslo Gardermoen to Seattle?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oslo Gardermoen Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Seattle (average of £622). Flying from Oslo Gardermoen Airport to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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