Are direct flights from Seattle to Oslo always the best option?

Direct flights can offer convenience and save travel time, which is often preferred. However, flights with layovers may sometimes be more affordable. It's worth comparing both types of flights to see which best suits your budget and schedule.

Can flexible travel dates help on Seattle to Oslo flights?

Being flexible with your travel dates can often lead to finding more economical flight options. Prices can vary significantly depending on the day of the week or season. Adjusting your departure or return by a few days may result in better fares.

What extra costs should I check before booking Seattle to Oslo flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget.

Flights From Seattle

To Oslo

Cheap Flights from Seattle to Oslo

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Oslo

Prices updated today

444 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 9, 2026.)

Today’s best flight deals from Seattle to Oslo

Explore current cheapest deals departing from Seattle to Oslo

2026-11-02 – 2026-11-09
SEA - Oslo
90% AI deal score
$539
$432
Round trip
2026-11-10 – 2026-11-18
SEA - Oslo
90% AI deal score
$540
$432
Round trip
2026-11-13 – 2026-11-22
SEA - Oslo
90% AI deal score
$538
$432
Round trip
2026-11-14 – 2026-11-22
SEA - Oslo
91% AI deal score
$545
$432
Round trip
2026-11-16 – 2026-11-25
SEA - Oslo
91% AI deal score
$545
$432
Round trip
2026-11-17 – 2026-11-25
SEA - Oslo
91% AI deal score
$545
$432
Round trip
2026-11-17 – 2026-11-26
SEA - Oslo
91% AI deal score
$545
$432
Round trip
2026-11-18 – 2026-11-25
SEA - Oslo
91% AI deal score
$552
$432
Round trip
2026-11-18 – 2026-11-26
SEA - Oslo
91% AI deal score
$545
$432
Round trip
2026-11-14 – 2026-11-23
SEA - Oslo
91% AI deal score
$544
$432
Round trip

Seattle to Oslo: Overview

Insights for flights from Seattle to Oslo

For travelers looking for cheap flights from Seattle to Oslo, the cheapest month to fly is typically April, with a median fare of $205. Other favorable months include May, where the median fare is $525, and July, with a median of $662. These months offer the most competitive pricing for this route.

Fares for flights from Seattle to Oslo typically range from $674–$1274, with a median of $1016. Right now, current fares are above the typical level for this route. Only 3% of recent fares were classified as a good price, indicating that deals are not always readily available. New deals appear almost daily, suggesting frequent opportunities to find better prices.

When considering how long the flight from Seattle to Oslo is, a typical journey, including connections, takes about 37h 55m. This extended duration is due to the nature of the route, as most itineraries connect at least once, with a median of 2 stopovers when connecting. There are currently no direct flights from Seattle to Oslo.

The route from Seattle to Oslo covers a significant distance of 7329 km. This classifies it as a long-haul journey, meaning you can expect a substantial travel time and typically multiple connections to reach your destination.

How much is a round trip from Seattle to Oslo

Regular price: $494 - $723

Prices for flights from Seattle to Oslo are currently below the regular range.

The regular price range for flights from Seattle to Oslo is $494 to $723. The current lowest deal is $393 with Icelandair, for travel from Nov 3-Nov 12.

now $393

Low $494

High $723

The cheapest time to fly from Seattle to Oslo

The cheapest month to fly from Seattle to Oslo is April, with a median price of $205. The most expensive month is March, with a median price of $1853. Prices are generally lower from April to October.

April

Cheapest

Flights from $205

March

Most Expensive

Flights from $1,853

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Oslo

Icelandair

Air Canada

Scandinavian Airlines

Lufthansa

Last-minute flights going from Seattle to Oslo

Sun, Aug 16

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$852

$490

One-way

Sun, Aug 16

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

United Airlines

$815

$498

One-way

Sun, Aug 16

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

United Airlines

$858

$498

One-way

Sun, Aug 16

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

United Airlines

$949

$500

One-way

Tue, Aug 18

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

United Airlines

$776

$490

One-way

Wed, Aug 19

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$772

$488

One-way

Biggest price drops on these dates for flights from Seattle to Oslo

8 nights

Dec 10 - Dec 18

$806 → $438

46%

9 nights

Dec 9 - Dec 18

$804 → $438

46%

7 nights

Dec 10 - Dec 17

$811 → $446

45%

4 nights

Dec 14 - Dec 18

$840 → $477

43%

Popular Airports to fly from Seattle to Oslo

Seattle - Oslo route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Seattle to Oslo are above the typical level for the last 90 days.

📅 Best time to fly

April is historically the cheapest month to fly

Historically, April is the cheapest month to fly from Seattle to Oslo, with a median price of $205.

⏱️ Flight duration

Flights are typically 37h 55m

Flights from Seattle to Oslo typically take 37h 55m, covering a long-haul distance of 7329 km.

✈️ Airlines & availability

Connecting flights are dominant for this route

Connecting flights are dominant for this route, with a median of 2 stopovers when connecting.

🏆 Airline highlight

Icelandair offers frequent deals

Icelandair has provided 81 deals for flights on this route, making it a frequent option.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Seattle to Oslo are frequent, appearing often in the last 30 days.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International offers the cheapest flights from Seattle to Oslo.

📍 ~20 km from Seattle (reachable by car or train)

💸 Flights from ~$431

Oslo main airports to arrive at

Oslo Airport, Gardermoen (OSL)

Cheapest

Oslo Airport, Gardermoen is the main international airport serving Oslo and a good arrival choice.

📍 ~35 km from Oslo (reachable by car, bus, train)

💸 Flights from ~$431

Airports nearby Oslo used as alternative

Göteborg Landvetter (GOT)

Göteborg Landvetter (GOT) is a major international airport with a wide range of European and some long-haul connections.

📍 ~290 km from Oslo (reachable by car, bus, or train), but involves crossing an international border.

💸 Flights from ~$399

Business & First Class Flight Deals to Oslo

94% AI deal score

$3,902

$2,235

Save $1,667

Frequently Asked Questions About Flights to Oslo

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you identify better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially lower prices. However, prices can fluctuate, so it's a good idea to monitor fares. Some travelers find booking a few months before departure can be beneficial.

Comparing nearby airports at both your origin and destination can sometimes uncover different flight options or prices. While it may add to your travel time, it could lead to potential savings. Always consider the total cost and convenience when choosing.

Seattle to Oslo: Overview

Insights for flights from Seattle to Oslo

How much is a round trip from Seattle to Oslo

Regular price: $494 - $723

Prices for flights from Seattle to Oslo are currently below the regular range.

The regular price range for flights from Seattle to Oslo is $494 to $723. The current lowest deal is $393 with Icelandair, for travel from Nov 3-Nov 12.

now $393

Low $494

High $723

The cheapest time to fly from Seattle to Oslo

April

Cheapest

Flights from $205

March

Most Expensive

Flights from $1,853

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec