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$278+ Cheap flights from Washington to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OSL
Nov 10 — Nov 171
1 adult
Sun 11/10
Sun 11/17
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Find flight deals from Washington to Oslo

Cheapest flights from Washington to Oslo
Explore the most affordable flight options available from Washington to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2024.

This Flightnetwork deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/182:35 pmSEA - OSL
1 stop12h 00mIcelandair
Wed 12/41:10 pmOSL - SEA
1 stop12h 50mIcelandair
Deal found 11/5$402
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:00 pmSEA - OSL
2 stops37h 10mMultiple Airlines
Tue 12/176:00 amOSL - SEA
1 stop16h 20mMultiple Airlines
Deal found 11/3$515
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:50 pmSEA - OSL
1 stop18h 50mBritish Airways
Wed 12/117:00 pmOSL - SEA
1 stop30h 55mBritish Airways
Deal found 11/4$521
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:25 amSEA - OSL
2 stops26h 30mUnited Airlines
Tue 12/171:35 pmOSL - SEA
2 stops40h 45mUnited Airlines
Deal found 11/3$533
This CheapOair deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/16:05 amSEA - OSL
2 stops21h 40mAir Canada
Sun 12/86:20 amOSL - SEA
2 stops24h 20mAir Canada
Deal found 11/4$609
This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/202:00 pmSEA - OSL
1 stop13h 45mLufthansa
Wed 11/276:20 amOSL - SEA
1 stop14h 50mLufthansa
Deal found 11/4$667
This Gotogate deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmPDX - OSL
1 stop12h 00mIcelandair
Mon 12/91:10 pmOSL - PDX
1 stop12h 40mIcelandair
Deal found 11/4$670
This Travelocity deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/208:41 amPDX - OSL
1 stop14h 24mMultiple Airlines
Wed 2/1910:45 amOSL - PDX
1 stop19h 04mMultiple Airlines
Deal found 11/4$687
This Air France deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/302:05 pmSEA - OSL
1 stop15h 25mKLM
Tue 12/106:30 amOSL - SEA
2 stops18h 55mKLM
Deal found 11/5$699
This Gurufare deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/67:20 amSEA - TRF
2 stops20h 05mScandinavian Airlines
Mon 12/91:00 pmTRF - SEA
2 stops42h 24mScandinavian Airlines
Deal found 11/4$741
This Gurufare deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/207:10 amPDX - OSL
2 stops27h 20mScandinavian Airlines
Wed 2/128:00 amOSL - PDX
2 stops24h 00mScandinavian Airlines
Deal found 11/4$741
This Gurufare deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/67:20 amSEA - OSL
2 stops17h 00mScandinavian Airlines
Mon 12/98:00 amOSL - SEA
2 stops24h 24mScandinavian Airlines
Deal found 11/4$741

Find flights from Washington to Oslo within your budget

Customize your flight search to find flights from Washington to Oslo 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 2,554,862 searches. Data last updated November 5, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/17

5:15 am-9:20 pm

3 stops55h 05m

$278

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 11/27

2:00 pm-2:35 pm

1 stop15h 35m

$376

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 11/27

2:35 pm-11:35 am

1 stop12h 00m

$385

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 11/18

6:50 pm-10:40 pm

1 stop18h 50m

$450

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 11/18

2:00 pm-10:40 pm

2 stops23h 40m

$455

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 11/18

12:55 pm-1:10 pm

3 stops39h 15m

$489

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 11/20

7:10 am-4:25 pm

2 stops24h 15m

$514

PortlandOslo

PDX - TRF

PDXTRF

Portland

Tue 11/19

5:15 am-7:35 pm

2 stops29h 20m

$280

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Mon 11/18

12:35 pm-12:25 pm

2 stops38h 50m

$623

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Wed 11/27

3:15 pm-2:05 pm

2 stops37h 50m

$320

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 46 results
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Best time to book a flight from Washington to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Washington with our price prediction graph.
Estimated round-trip 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 Washington to Oslo

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

What is the cheapest month to book a flight from State of Washington to Oslo?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Oslo (average of $564). Flying from State of Washington to Oslo in June is currently the most expensive (average of $1,175). 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.

What is the cheapest time of day to fly from WA to OSL?

Find hourly flight availability from Washington to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2024.

When flying from State of Washington to Oslo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Oslo by month

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

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

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

If weather is an important factor for your trip to Oslo, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. 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 Oslo. Reviews last updated November 5, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Icelandair from Washington to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,830 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,830 reviews
Delta
8.0
Very good
8,830 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,830 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,316 reviews
Delta
8.0
Very good
8,830 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,530 reviews
Delta
8.0
Very good
8,830 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,215 reviews
Delta
8.0
Very good
8,830 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • Can I find flights from State of Washington to Oslo for under $500 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Oslo for under $500. The cheapest flight booked recently is on Icelandair for just $402, but on average you can expect to pay $626.

  • Are there last-minute flights available from State of Washington to Oslo for under $800?

    There are currently 11+ open flights from State of Washington to Oslo within the next 7 days for less than $800.

  • What are the cheapest airlines to fly from State of Washington to Oslo one-way?

    The cheapest airlines for a one-way flight from State of Washington to Oslo are Lufthansa ($376), Icelandair ($385), and American Airlines ($450).

  • What are the most popular routes from State of Washington to Oslo?

    While some choose either Portland - Oslo Gardermoen or Seattle/Tacoma Intl - Oslo Sandefjord, Seattle/Tacoma Intl - Oslo Gardermoen is the most popular route from State of Washington to Oslo.

  • What does SEA to OSL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport flight would often be abbreviated as a SEA to OSL flight. Oslo Sandefjord Airport (TRF), Fagernes Valdres Airport (VDB) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Washington to Oslo that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Oslo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to Oslo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Oslo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

    Yes. In addition to deals on Washington to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Oslo?

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

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

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

  • Can I find deals for flights from Washington to Oslo that allow pets onboard?

    Many airlines flying from Washington to Oslo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to Oslo?

    Yes, you can often find last-minute deals on Washington to Oslo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to Oslo flight deals updated?

    The State of Washington to Oslo flight deals you see on this page were last updated on 11/5.

  • What is the cheapest month to book a flight from State of Washington to Oslo?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Oslo (average of $564). Flying from State of Washington to Oslo in June is currently the most expensive (average of $1,175). 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.

See more FAQs

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Alternative routes for Washington to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington to Oslo

Discover the top 9 airlines that operate flights from Washington to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,554,862 searches. Data last updated November 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$468Average$1,146FlexibilityNo cancel feeOn-time76%
FinnairCheapest$469Average$874FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$475Average$702FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$518Average$673FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$525Average$912FlexibilityNo cancel feeOn-time76%
KLMCheapest$564Average$1,000FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$570Average$842FlexibilityNo cancel feeOn-time69%
DeltaCheapest$588Average$1,053FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$595Average$999FlexibilityNo cancel feeOn-time77%
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