Cheap Flights from Washington (IAD) to Oslo (OSL)

View AU$530 flight on Sat, 20 Sep. 2025Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Gardermoen Airport (OSL)

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Cheap Flights from Washington (IAD) to Oslo (OSL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,512 Return, found 2 days ago
AU$1,512
Return
found 2 days ago
Select United flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,512 found 2 days ago
United
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,541 Return, found 2 days ago
AU$1,541
Return
found 2 days ago
Select United flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,541 found 2 days ago
United
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,543 Return, found 2 days ago
AU$1,543
Return
found 2 days ago
Select United flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,543 found 2 days ago
United
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,580 Return, found 2 days ago
AU$1,580
Return
found 2 days ago
Select United flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,580 found 2 days ago
United
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,586 Return, found 2 days ago
AU$1,586
Return
found 2 days ago
Select United flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,586 found 2 days ago
United
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,592 Return, found 2 days ago
AU$1,592
Return
found 2 days ago
Select United flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,592 found 2 days ago
Austrian Airlines
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,602 Return, found 2 days ago
AU$1,602
Return
found 2 days ago
Select Austrian Airlines flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,602 found 2 days ago
Delta
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,711 Return, found 2 days ago
AU$1,711
Return
found 2 days ago
Select Delta flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,711 found 2 days ago
KLM
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,750 Return, found 2 days ago
AU$1,750
Return
found 2 days ago
Select KLM flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,750 found 2 days ago
Scandinavian Airlines
Sat, 20 Dec. - Sat, 27 Dec.
IAD
Washington
OSL
Oslo
AU$1,894 Return, found 2 days ago
AU$1,894
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, 20 Dec. from Washington to Oslo, returning Sat, 27 Dec., priced at AU$1,894 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Oslo (OSL)

March is typically the cheapest month to fly

From AU$633 - AU$1,150 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Oslo route information
Origin airport
Washington Dulles Intl.
Destination airport
Gardermoen
Return price
AU$1,511
Distance
6220 km

Your quick guide to flights from Washington to Oslo

Pick up great flights from Washington to Oslo

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Washington to Oslo. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Washington to Oslo that take around hours.

Find cheap flights from Washington to Oslo

From the great flight deals with prices currently ranging from AU$1,512 to AU$1,894, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Oslo around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Oslo is normally in December.

Reasons to book your flight from Washington to Oslo with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Washington to Oslo across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Oslo right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from IAD to OSL?
Round-trip journeys from IAD to OSL start from AU$1,512. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to OSL?
This varies between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where there are simple instructions on how to cancel your flight online.
How do I find cheap flights from IAD to Oslo Gardermoen Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to OSL flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to OSL?
The distance is around 6 300 kilometres, so pack your carry-on bag with all the items you need to make your journey comfortable. Not sure what to take on board your Chantilly to Ullensaker flight? Earplugs, a sleep mask and a travel pillow are a few essentials.
Which airlines fly direct from Dulles Intl. Airport to Oslo Gardermoen Airport?
Unfortunately, there aren't any airlines that fly direct between IAD and Oslo Gardermoen Airport. You'll have to book a flight with at least one stop.
Are Dulles Intl. Airport to Oslo Gardermoen Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute deals between Dulles Intl. Airport and OSL are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines release their prices up to 12 months before the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to book when prices drop.

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