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Find cheap flights from Washington, D.C. to Oslo from $436

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Oslo departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 5/23
Thu 5/30

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Oslo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Oslo, as well as popular online travel agencies
In the last 7 days travelers have searched 44,632,927 times on KAYAK, and here is why:

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Cheap flight deals from Washington, D.C. to Oslo (IAD-OSL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Oslo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
10:30 pm - 12:00 pmIAD-OSL
31h 30m1 stop
6:45 pm - 3:15 pmOSL-IAD
26h 30m1 stop
$436TAP AIR PORTUGAL
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Tue, Sep 3 - Tue, Sep 17
10:20 pm - 5:45 pmIAD-OSL
13h 25m1 stop
12:50 pm - 3:20 pmOSL-IAD
32h 30m1 stop
$463TAP AIR PORTUGAL
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Thu, Oct 10 - Mon, Oct 14
11:15 pm - 9:35 pmIAD-OSL
16h 20m1 stop
10:30 pm - 10:10 pmOSL-IAD
29h 40m1 stop
$495Icelandair
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Sat, Aug 10 - Sun, Aug 18
11:15 pm - 9:35 pmIAD-OSL
16h 20m1 stop
10:30 pm - 10:10 pmOSL-IAD
29h 40m1 stop
$504Icelandair
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Sat, Aug 17 - Sun, Sep 1
5:15 pm - 3:30 pmIAD-OSL
16h 15m1 stop
6:00 am - 3:25 pmOSL-IAD
15h 25m1 stop
$537Scandinavian Airlines
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Tue, Oct 8 - Tue, Oct 15
5:55 pm - 10:50 amIAD-OSL
10h 55m1 stop
7:30 pm - 3:45 pmOSL-IAD
26h 15m1 stop
$540British Airways
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Thu, Oct 10 - Mon, Nov 4
10:45 pm - 11:25 pmIAD-OSL
18h 40m1 stop
12:00 pm - 8:30 pmOSL-IAD
14h 30m1 stop
$541British Airways
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Mon, Aug 5 - Fri, Aug 23
7:19 am - 10:40 amIAD-OSL
21h 21m2 stops
5:05 pm - 8:30 pmOSL-IAD
33h 25m1 stop
$545American Airlines
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Wed, Aug 21 - Wed, Sep 4
10:50 pm - 11:35 pmIAD-OSL
18h 45m1 stop
7:40 am - 7:44 pmOSL-IAD
18h 04m2 stops
$549American Airlines
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Sun, Sep 1 - Tue, Sep 17
5:15 pm - 12:05 pmIAD-TRF
12h 50m1 stop
12:35 pm - 3:25 pmTRF-IAD
32h 50m1 stop
$576Scandinavian Airlines
Find Deal
Mon, Sep 9 - Mon, Sep 23

Flights from Washington, D.C. to Oslo - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Oslo to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington, D.C. to Oslo?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Oslo clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington, D.C. to Oslo, look for departures on Wednesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Oslo, Monday is the cheapest day to fly and Thursday is the most expensive.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Oslo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Oslo, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Oslo is January, where tickets cost $537 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,051 and $1,047 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Oslo?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Oslo, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Oslo, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 48 days before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Oslo?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, Turkish Airlines offered the best one-way deal for that route, at $699. KAYAK users also found Washington, D.C. to Oslo round-trip flights on TAP AIR PORTUGAL from $436 and on Icelandair from $495.

Good to know

Cheapest flight

$436
Flight from Washington Dulles Airport to Oslo Airport

When to book flights from Washington, D.C. to Oslo

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Oslo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Oslo flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Oslo?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Oslo was $451 for a one-way ticket and $436 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Oslo?

    A passport is required to fly from Washington, D.C. to Oslo.

  • Which airports will I be using when flying from Washington, D.C. to Oslo?

    Washington, D.C. is served by only 1 airport and there are 2 airports in Oslo. You will leave Washington, D.C. from Washington, D.C. Dulles Intl and you will be arriving in Oslo at one of these airports: Oslo Gardermoen or Oslo Sandefjord.

  • Which aircraft models fly most regularly from Washington, D.C. to Oslo?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Oslo?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Oslo, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Oslo from Washington, D.C.?

    Reykjavik is the most popular layover city among KAYAK users traveling from Washington, D.C. to Oslo.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Oslo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Oslo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Oslo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Oslo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Oslo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington, D.C. to Oslo

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Oslo found on KAYAK in the last 72 hours.
6/8Sat
2 stops
31h 10mIAD-OSL
$451
6/8Sat
3 stops
54h 55mIAD-TRF
$455
6/12Wed
1 stop
12h 25mIAD-OSL
$519
6/10Mon
1 stop
23h 55mIAD-OSL
$521
6/10Mon
3 stops
43h 20mIAD-TRF
$526
6/10Mon
1 stop
23h 55mIAD-OSL
$527
6/28Fri
1 stopTurkish Airlines
14h 55mIAD-OSL
$699
6/10Mon
1 stopScandinavian Airlines
12h 50mIAD-TRF
$936
6/10Mon
1 stopScandinavian Airlines
10h 00mIAD-TRF
$1,030
6/12Wed
3 stopsEthiopian Air
29h 00mIAD-OSL
$1,375

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Last minute flights from Washington, D.C. to Oslo

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Oslo that are departing in the next 10 days.
4/28Sun
multi-stopBritish Airways
11h 30mIAD-OSL
5/8Wed
multi-stopBritish Airways
18h 55mOSL-IAD
$541
4/28Sun
multi-stopAmerican Airlines
14h 08mIAD-OSL
5/7Tue
multi-stopAmerican Airlines
18h 50mOSL-IAD
$544
4/25Thu
multi-stopUnited Airlines
18h 20mIAD-OSL
5/8Wed
multi-stopUnited Airlines
18h 00mOSL-IAD
$563
4/27Sat
multi-stopAustrian Airlines
14h 40mIAD-OSL
5/4Sat
multi-stopAustrian Airlines
29h 35mOSL-IAD
$569
4/25Thu
multi-stopUnited Airlines
18h 20mIAD-OSL
5/8Wed
multi-stopUnited Airlines
15h 38mOSL-IAD
$574
4/27Sat
multi-stopLufthansa
13h 40mIAD-OSL
5/8Wed
multi-stopLufthansa
12h 55mOSL-IAD
$578
4/27Sat
multi-stopDelta
14h 24mIAD-OSL
5/6Mon
multi-stopDelta
15h 40mOSL-IAD
$585
4/27Sat
multi-stopDelta
14h 24mIAD-OSL
5/6Mon
multi-stopDelta
16h 05mOSL-IAD
$595
4/25Thu
multi-stopLufthansa
13h 40mIAD-OSL
4/27Sat
multi-stopLufthansa
13h 50mOSL-IAD
$732
4/27Sat
multi-stopAustrian Airlines
37h 45mIAD-OSL
5/4Sat
multi-stopAustrian Airlines
29h 35mOSL-IAD
$782

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Washington, D.C. - Oslo Flights

Departure:

Washington, D.C. (IAD)United States

Return flight deals:

Oslo - Washington, D.C.

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