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

View AU$559 flight on Thu, 27 Nov. 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.

Icelandair
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$650 Return, found 6 days ago
AU$650
Return
found 6 days ago
Select Icelandair flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$650 found 6 days ago
Scandinavian Airlines
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$713 Return, found 6 days ago
AU$713
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$713 found 6 days ago
Scandinavian Airlines
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$766 Return, found 6 days ago
AU$766
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$766 found 6 days ago
United
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$807 Return, found 6 days ago
AU$807
Return
found 6 days ago
Select United flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$807 found 6 days ago
Scandinavian Airlines
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$812 Return, found 6 days ago
AU$812
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$812 found 6 days ago
United
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$814 Return, found 6 days ago
AU$814
Return
found 6 days ago
Select United flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$814 found 6 days ago
Air Canada
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$818 Return, found 6 days ago
AU$818
Return
found 6 days ago
Select Air Canada flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$818 found 6 days ago
United
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$824 Return, found 6 days ago
AU$824
Return
found 6 days ago
Select United flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$824 found 6 days ago
Lufthansa
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$843 Return, found 6 days ago
AU$843
Return
found 6 days ago
Select Lufthansa flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$843 found 6 days ago
Swiss International Air Lines
Thu, 27 Nov. - Wed, 3 Dec.
IAD
Washington
OSL
Oslo
AU$844 Return, found 6 days ago
AU$844
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, 27 Nov. from Washington to Oslo, returning Wed, 3 Dec., priced at AU$844 found 6 days ago

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

March is typically the cheapest month to fly

From AU$627 - AU$1,140 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$649
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$650 to AU$844, 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 November.

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$650. 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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