WAS - OSL

$245 Find Cheap Flights from Washington, D.C. to Oslo

This is the cheapest one-way 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 8/17. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Oslo Gardermoen Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. 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.
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Everything you should know

Cheapest round-trip
$514
Typical prices: $507-$479
Icelandair
Sun 11/8Sat 11/14
BWI - OSL • 1 stop
Cheapest one-way
$245
Typical prices: $360-$402
TAP AIR PORTUGAL
Mon 8/17
IAD - OSL • 1 stop
Top airlines
Cheapest • from $514 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. and Oslo. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $513 (round-trip)
Shortest trip • 10h 05m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Oslo (WAS-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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Oslo

Sun, Nov 8 - Sat, Nov 14
Icelandair Logo
7:40 pm - 11:35 am
BWI
-
OSL
9h 55m
1 stop
Icelandair Logo
1:10 pm - 6:40 pm
OSL
-
BWI
11h 30m
1 stop
$514Icelandair
Thu, Nov 19 - Wed, Nov 25
Icelandair Logo
7:40 pm - 11:35 am
BWI
-
OSL
9h 55m
1 stop
Icelandair Logo
1:10 pm - 6:40 pm
OSL
-
BWI
11h 30m
1 stop
$515Icelandair
Sat, Nov 7 - Sat, Nov 14
Icelandair Logo
7:40 pm - 11:35 am
BWI
-
OSL
9h 55m
1 stop
Icelandair Logo
1:10 pm - 6:40 pm
OSL
-
BWI
11h 30m
1 stop
$521Icelandair
Tue, Sep 8 - Thu, Sep 17
Scandinavian Airlines Logo
6:05 am - 6:45 am
DCA
-
OSL
18h 40m
1 stop
Scandinavian Airlines Logo
1:20 pm - 10:59 pm
OSL
-
DCA
15h 39m
1 stop
$735Scandinavian Airlines
Mon, Aug 3 - Wed, Aug 19
Lufthansa Logo
10:20 pm - 10:05 pm
IAD
-
OSL
17h 45m
1 stop
Lufthansa Logo
9:55 am - 4:05 pm
OSL
-
IAD
12h 10m
1 stop
$737Lufthansa
Sun, Aug 2 - Wed, Aug 19
United Airlines Logo
5:35 pm - 5:15 pm
IAD
-
OSL
17h 40m
1 stop
United Airlines Logo
9:55 am - 4:05 pm
OSL
-
IAD
12h 10m
1 stop
$738United Airlines
Sun, Nov 8 - Thu, Nov 12
United Airlines Logo
10:55 pm - 5:40 pm
IAD
-
OSL
12h 45m
1 stop
United Airlines Logo
6:15 am - 8:23 pm
OSL
-
IAD
20h 08m
2 stops
$741United Airlines
Thu, Aug 20 - Mon, Aug 24
Delta Logo
3:15 pm - 1:45 pm
DCA
-
OSL
16h 30m
2 stops
Delta Logo
11:50 am - 10:59 pm
OSL
-
DCA
17h 09m
2 stops
$743Delta
Mon, Jul 20 - Mon, Jul 27
Scandinavian Airlines Logo
6:06 am - 6:45 am
DCA
-
OSL
18h 39m
1 stop
Scandinavian Airlines Logo
1:20 pm - 10:59 pm
OSL
-
DCA
15h 39m
1 stop
$749Scandinavian Airlines
Sat, Aug 1 - Thu, Aug 20
Delta Logo
8:00 pm - 6:30 pm
DCA
-
OSL
16h 30m
2 stops
Delta Logo
6:30 am - 4:59 pm
OSL
-
DCA
16h 29m
2 stops
$754Delta
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Oslo flights

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.

How much is a round-trip flight from Washington, D.C. to Oslo Gardermoen Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Oslo Gardermoen Airport departing in November.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Oslo Gardermoen Airport, 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. to Oslo Gardermoen Airport is April, where tickets cost $330 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $527 and $527 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to Oslo Gardermoen Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to Oslo Gardermoen Airport, you should book around 2 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$245
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 15% increase in price.
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. to Oslo Gardermoen Airport?

    In the last 5 days, the lowest price for a flight from Washington, D.C. to Oslo Gardermoen Airport was $245 for a one-way ticket and $514 for a round-trip.

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

    Yes

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

    Washington, D.C. has 2 major airports: Washington, D.C. Reagan-National and Washington, D.C. Dulles Intl. Oslo Gardermoen is the only airport in Oslo. You’ll usually find the cheapest deals if you fly from Washington Dulles Airport.

  • 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, 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.

  • Which is the best airline for flights from Washington, D.C. to Oslo, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Oslo are Delta and KLM. With an average price for the route of $734 and an overall rating of 7.8, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $556 and an overall rating of 7.8.

  • 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.

Reviews of the top 5 airlines serving from Washington, D.C. to Oslo

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Oslo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Oslo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Scandinavian AirlinesOverall score based on 1809 reviews
7.3Comfort
6.7Entertainment
7.6Boarding
6.7Food
8.0Crew
Airline reviews

Every flight got canceled or delayed. Customer service was awful.

2.0 MediocreAnonymous, Jun 2026
EWR - CPH
Read more Scandinavian Airlines reviews

Every flight got canceled or delayed. Customer service was awful.

They lost my luggage and can’t find it. My trip is ruined. Online tracking of lost luggage doesn’t work

No free Wi-Fi. I have SkyMiles but not a high status, having an account has been enough for Wi-Fi on other flights, but this one was going to charge me to use it. Also turbulence was really bad toward the end, but I didn't count this in my ratings since I know Delta cannot control the weather - it's 2026 and lack of WiFi alone is enough for a poor rating.

The stewardess was incredibly rude. The gave you only one drink with dinner.

Cancelled flight, wasn't refunded paid selected seats. Poor customer service. Called airline and they didn't realize the flight was cancelled until several hours after the email notice was sent.

The worst with the trip was the space in economy, my knees are still hurting. There was no way to control personal air by turning a knob above you, it was way to hot on both rides. During the night flight they allowed 2 people from across the aile which was narrow to sit and talk for 7 hours while also using tablets and the flashlight from their phones pointing into the row where I sat at times. They allowed people with way too large baggage to bring onboard. I paid way too much for the ticket ($1,364} for economy. Kayak misinformed me to get cancellation insurance that was only valid for a very short time (less than 12 hours) and was over one hundred dollars. Hotel booking was incorrect, I had the room booked myself at the hotel, only double or larger rooms available which I paid over 400 dollars for. I will never fly with SAS again unless there is no other alternative.

Crew members were excellent. The seat wasn’t the best as well as a food options.

Really good. Everything went smoothly. That's what I hope for when I'm on a long flight, especially with multiple changes. Thank you SAS.

5 of my 7 pieces of luggage are missing and they cant call to find out where it is. I have to fill out a form and wait for them to mail it to me in several days (if they find it). That does not work for my travel itinerary. I need my full ticket cost refunded please.

Fantastic. The only thing - out of my six luggage one was lost in Copenhagen, however it was delivered Home 3 Days later so all great..

Our flight was canceled same day and we were never informed. Had to pay more and worse seating on another airline.

Did not like that we couldn't complete check in on-line without providing pictures of our passports. Worry about identity theft. We had no delays and boarding was handled In an efficient manner.

Excellent! I got to Munich and was transferred to my Lufthansa flight quickly, in 15 to 20 minutes, so I did not miss my flight. However, I had checked my overhead bag at the boarding gate in Tampa. That got to Tunis the next day. That is to be expected.

WiFi didn’t exist , seats were super cramped, lights stayed on near my seat for a long time while others were dimmed, the food/trash/drink cart hit my shoulder at least a couple of times while moving, food options were down to just one option by the time it got to my row, the utensils were garbage (knife bent at a couple of places by the time I was done eating) the spoon was very flimsy plastic

Vegetarian selection could be better. Bread was too hard to chew.

Crew was friendly and competent. Food, wine, and entertainment were excellent except the raw tuna on the flight to Split. Recommend against serving that - at least as the only option. Many medical conditions do not allow people to eat raw fish.

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

United didn’t even try to hold the flight for me. They knew I had a tight connection and when I arrived at the gate less than 10 mins after final boarding the flight had already gone. The gate agent wasn’t even notified that I was on my way. She was told I wasn’t at the airport

Good quick flight on a small but comfortable plane. I'm 6'3 and had plenty of space.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

They cancelled our connecting flight resulting in another layover reaching our final destination 8 hours later than scheduled.

The Check-in process at CDG was confusing and the crew was not helpful. But the flight was on-time and that is most important to me.

At least one soda free, felt like I was nickeled to death.

On-time arrivals and departures. Crew helpful and friendly. Yet everything costs extra: seat selection, food, even airphones!

I had no idea that my ticket only paid for my right to get on the plane. They charged me $130 for my carry-on bag because it was 1 inch too big she claimed but it wasn’t! Then they wanted another fee for everything. I had no idea that Icelandair had changed to such a bargain basement airline. I was very disappointed.

Second time with Saga Premium, everything was fab, but the entertainment centre on both my flights didn't work, plus the seat on the NY to Rek flight (Airbus) was so solid and so uncomfortable. The 737Max flight's seat was much, much better.

The real reason why the flying experience with Icelandair ---was mediocre was because of not being able to enter DC airspace yesterday evening. This obviously was out of your control and do realize this is a safety issue. I did notice---that everything was being done to get us to Washington Dulles and we did arrive at Dulles SAFELY with just a 4 hour delay. Thank you!

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

They wouldn’t check in my luggage even though I had one checked bag prepaid. So I took my bag to the gate and tried to check it in there and two employees scolded me for bringing a large bag to the gate. I told them I was trying to check it in and that it was prepaid, and they said they couldn’t guarantee that it would arrive at my destination but they finally let me drop it off when boarding the plane and pick it up right after exiting the plane. There was no food, and there was no entertainment.

Overall satisfied and would fly with them again. They could improve the check-in efficiency at BOS, we got backed up because it seemed there were passengers requiring much more time for check in.

Put me on standby; flight was late; missed my connecting flight; disaster

Flight attendants were fine, seats a bit hard but I use a cushion for extra support. The only issue was it was a bit too cool and I needed to ask for and received and extra blanket. I survived!!!

Very few things and/or people are excellent. It was very good.

Extremely uncomfortable seats. Experience was like a Frontier Airlines flight. Would not fly it again.

Very, very tight legroom. They must’ve jammed in an additional few rows of seat seating. Denver to Munich was the least legroom I’ve ever had on any flight, let alone a multi hour international journey. I will not take that flight again.

In my first flight with Air Canada we sat in the plane for 4:00pm to 6:30pm. Finally we were asked to get off the plane and we were told the flight was cancelled after 7:00pm There was o clear explanation of what was the problem. I was booked without my permission on a Delta Flight at 7:30pm that was leaving at 8:00pm and I still had to go get my luggage(my final destination was Rome with one stop in Toronto. The luggage claim for Canada was closed so had to return to finally get it on the luggage belt.. Of course I missed the Delta flight and all the next day flights were booked. I also lost what I paid for my stay in Rome because I did nt cancel in time. A complete nightmare.

Good food, overall very comfy. The flight was full so obviously not optimal, but it is what it is.

Perfect airline, super friendly, great service, tasty food. Would fly again.

Parents with permanently crying baby on board. Neither parents nor crew did anything to calm the baby. The food was extremely disappointing. Seafood stew was very, very small! Not even appetizer size! Seat had a gap in the back. Had to use a pillow to fill it.

Food choices limited & not enticing Seats quite uncomfortable & difficult to control

Boarding process was chaotic. Confusion over Boarding gates: gate 55 or gate 56 ???. Unnecessary standing in long lines to board. Better to call out Boarding groups one at a time and everyone else to sit. Airline only has 2 Boarding groups 1-3 and 4-9. That causes over crowding and chaos

Lady next to me was coughing profusely the entire flight, other lady moved seats because of it, 8 hours of that during an overnight flight is a bit much.

The flight was ok. The seats are so small. The free wifi for members was not an option on this flight. The one flight attendant, older woman with straight white/grey hair, was very rude. The gentleman next to me asked about the wifi since he was a member as well. He stated, accurately, that the option to enter the idea number was not available. Her response was, "I don't know what to tell you" and walked away from him. The rest of the staff was wonderful. I asked another flight attendant about the wifi, she said the free wifi was not enabled on that flight (true or not- at least she was friendly). It was also pretty dirty. When I opened the tray table it had mushed crumbs and there was a dirty used pair of ear buds in my seat pocket. Lastly the air vent above my head was working but stuck so I was unable to move it to face me when it got warm. I fly American often but this really was not a great flight.

My luggage was lost at the airport but American Airlines contacted me and got it to me the next day.

24 hour delays aren’t even heard in 3rd world countries with archaic transportation systems. I’m never flying American Airlines again.

3.5 hr delay leaving Pittsburgh, notifications for which were incomplete and untimely. Connecting flight was automatically switched to one requiring more than a 30 hour layover! After waiting in a long queue, customer service reduced layover to 11 hours and also set up an earlier standby. The standby had empty seats, but the gate agent couldn't change our tickets! On top of all that my luggage was lost and has yet to even be located, much less returned 5 (FIVE!) days later. Too bad there's no rating below poor.

Canceled flight late London to Florence. Help at airport very poor. Treated poorly. Had to sleep in the airport. Lost bags- still do not have them. Horrible. I should be reimbursed!

The seats are extra cramped if you are taller than 5’8! Spring for the extra legroom seats for sure if you have a long flight!

Very disappointed with British Airways. It has been over 24 hours and I still have not received my checked baggage or any proper update. Customer support has been unresponsive, making the situation even more frustrating. Poor baggage handling and lack of communication seriously impacted my travel experience.

All the above categories was great. Seats entirely too cramped.

Everything you need to know for your flight from Washington, D.C. to Oslo

Information on your arrival and departure airports