$291+ Cheap flights from Washington, D.C. (WAS) to Oslo
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Washington, D.C. to Oslo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. to Oslo are usually found in February or January, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Friday
Cheap flight deals from Washington, D.C. to Oslo
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.
Round-trip from | $480 (oojo) |
|---|---|
One-way from | $303 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $524 |
Find flight deals from Washington, D.C. to Oslo
Cheapest flights from Washington, D.C. to OsloExplore the most affordable flight options available from Washington, D.C. to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from Washington, D.C. to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Icelandair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Oslo that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Thu 8/21
11:15 pm-3:25 pm
1 stop10h 10m
Oslo Gardermoen
Fri 8/29
4:30 pm-10:10 pm
1 stop11h 40m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Wed 10/1
10:25 am-10:20 am
2 stops17h 55m
Oslo Gardermoen
Wed 10/15
11:05 am-7:59 pm
1 stop14h 54m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Thu 8/21
10:05 pm-2:10 pm
1 stop10h 05m
Oslo Gardermoen
Sun 8/31
1:35 pm-7:59 pm
1 stop12h 24m
BaltimoreOslo
BWI - OSL
BWIOSL
Baltimore/Washington
Mon 5/12
9:20 pm-11:30 pm
1 stop20h 10m
Oslo Gardermoen
Sat 5/24
8:20 am-7:35 pm
1 stop17h 15m
Washington, D.C.Oslo
DCA - OSL
DCAOSL
Washington, D.C. Reagan-National
Sun 5/11
6:00 am-1:05 pm
2 stops25h 05m
Oslo Gardermoen
Tue 5/27
6:35 am-3:49 pm
2 stops15h 14m
BaltimoreOslo
BWI - OSL
BWIOSL
Baltimore/Washington
Mon 7/14
8:30 pm-3:25 pm
1 stop12h 55m
Oslo Gardermoen
Tue 8/12
4:30 pm-7:25 pm
1 stop32h 55m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Fri 8/1
10:40 pm-10:30 pm
1 stop17h 50m
Oslo Gardermoen
Tue 8/12
7:25 pm-3:55 pm
1 stop26h 30m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Tue 8/12
2:25 pm-3:40 pm
2 stops19h 15m
Oslo Gardermoen
Tue 8/26
6:35 am-4:18 pm
2 stops15h 43m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sat 8/16
9:20 pm-4:40 pm
1 stop13h 20m
Oslo Gardermoen
Wed 8/27
6:00 am-7:37 pm
2 stops19h 37m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Tue 8/19
10:40 pm-11:25 pm
1 stop18h 45m
Oslo Gardermoen
Sat 8/30
8:35 am-8:15 pm
2 stops17h 40m
Best time to book a flight from Washington, D.C. to Oslo
Have a flexible travel schedule? Discover the best time to fly to Oslo from Washington, D.C. with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Oslo
How far ahead should I book a flight from Washington, D.C. to Oslo?
Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Oslo. Price data was last updated on April 25, 2025.
The price you pay for your flight from Washington, D.C. to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Washington, D.C. to Oslo?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Oslo (average of $567). Flying from Washington, D.C. to Oslo in June is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WAS to OSL?
Find hourly flight availability from Washington, D.C. to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.
It’s typically best to fly out from Washington, D.C. to Oslo in the morning. Doing so could potentially save you 38% on the flight price compared to flying at noon, which is usually more expensive.
Rainfall in Oslo by month
Plan your trip to Oslo by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.
Temperature in Oslo by month
Plan your trip to Oslo by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).
Reviews of airlines servicing Oslo
Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated April 30, 2025.
To help decide which airline to fly from Washington, D.C. to Oslo, see what other customers have to say about Delta, Finnair and SWISS. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Washington, D.C. to Oslo
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Washington, D.C. to Oslo
Discover the top 8 airlines that operate flights from Washington, D.C. to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$396 | Average$617 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$412 | Average$672 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$501 | Average$594 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$512 | Average$735 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$531 | Average$752 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$535 | Average$719 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$542 | Average$720 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$566 | Average$599 | FlexibilityNo cancel fee | On-time77% |