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

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the cheapest option. Flights with one or more connections can sometimes be more affordable. Consider your priorities for cost versus travel time when making your choice.

Can flexible travel dates help on Seattle to Oslo flights?

Yes, being flexible with your travel dates can significantly impact the price of your flight. Shifting your departure or return by a few days, especially to travel during off-peak times, may result in lower fares. Weekday travel is often less expensive than weekend travel.

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. These additional fees can impact the overall cost of your trip.

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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to Oslo

Explore current cheapest deals departing from Seattle to Oslo

2026-10-22 – 2026-10-30
SEA - Oslo
94% AI deal score
$688
$388
Round trip
2026-10-22 – 2026-10-29
SEA - Oslo
95% AI deal score
$704
$388
Round trip
2026-10-10 – 2026-10-18
SEA - Oslo
94% AI deal score
$683
$389
Round trip
2026-11-17 – 2026-11-27
SEA - Oslo
92% AI deal score
$561
$389
Round trip
2026-10-02 – 2026-10-07
SEA - Oslo
94% AI deal score
$705
$390
Round trip
2026-10-02 – 2026-10-15
SEA - Oslo
94% AI deal score
$662
$394
Round trip
2026-10-23 – 2026-10-28
SEA - Oslo
95% AI deal score
$716
$395
Round trip
2026-10-07 – 2026-10-12
SEA - Oslo
94% AI deal score
$706
$395
Round trip
2026-10-15 – 2026-10-21
SEA - Oslo
94% AI deal score
$699
$395
Round trip
2026-10-02 – 2026-10-12
SEA - Oslo
94% AI deal score
$666
$395
Round trip

Seattle to Oslo: Overview

Insights for flights from Seattle to Oslo

When considering cheap flights from Seattle to Oslo, April stands out as the most affordable month, with a median fare of just $205. Other cost-effective options include May, with a median fare of $525, and July, where the median price is $662. Planning your travel during these months can significantly reduce the overall cost of your trip.

Fares for flights from Seattle to Oslo typically range from $674–$1274, with a median price 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 common, though new deals appear almost daily.

Most itineraries from Seattle to Oslo involve connections, as 0% of recent fares were for direct flights. For connecting itineraries, the typical number of stopovers is 2. This means you should expect at least two stops on your journey.

A typical journey from Seattle to Oslo takes approximately 37h 55m, including connections. This duration accounts for the layovers and transfers often required on this route, given the lack of direct flight options.

The distance between Seattle and Oslo is 7329 km, classifying this as a long-haul route. This considerable distance contributes to the longer flight times and the necessity for connecting flights.

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

Scandinavian Airlines

Last-minute flights going from Seattle to Oslo

Sun, Aug 16

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Lufthansa

$822

$496

One-way

Mon, Aug 17

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$792

$467

One-way

Mon, Aug 17

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$769

$510

One-way

Mon, Aug 17

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$720

$516

One-way

Tue, Aug 18

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$733

$467

One-way

Wed, Aug 19

⌛ Last-Minute

SEA - Oslo

Seattle (SEA) - Oslo (OSL)

Icelandair

$742

$467

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, with a median price of $1016.

📅 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 with 2 stopovers

Flights from Seattle to Oslo typically take 37h 55m, with a median of 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant on this route

Connecting flights are dominant for Seattle to Oslo, with a median of 2 stopovers.

🏆 Airline highlight

Icelandair has 94 deals for connecting flights

Icelandair offers 94 deals for connecting flights from Seattle to Oslo, according to recent data.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Seattle to Oslo are frequent, appearing within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a good option for flights from Seattle to Oslo.

📍 ~15 km from Seattle (reachable by car or public transport)

💸 Flights from ~$431

Oslo main airports to arrive at

Oslo Airport, Gardermoen (OSL)

Cheapest

Oslo Airport, Gardermoen is Oslo's main international airport and a convenient arrival point for your trip.

📍 ~35 km from Oslo city center (reachable by car, bus, or train).

💸 Flights from ~$431

Airports nearby Oslo used as alternative

Oslo Airport, Gardermoen (OSL)

Cheapest

Oslo Airport, Gardermoen is the primary international hub for Oslo and offers the widest range of destinations.

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

💸 Flights from ~$431

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

Finding affordable flights often involves comparing prices across various platforms. Being flexible with your travel dates and considering different airlines can also help uncover better deals. Setting up price alerts may notify you of fare drops.

Booking flights in advance can often lead to better prices, though last-minute deals sometimes appear. Prices may fluctuate, so monitoring fares over time can help you decide when to purchase your tickets. There isn't a single 'best' time that guarantees the lowest fare.

Comparing nearby airports at both your origin and destination can sometimes reveal more economical flight options. While it might add to your ground travel time, the potential savings on airfare could be significant. Always factor in the additional transportation costs and convenience.

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