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$265+ Cheap flights from Dulles Intl (IAD) 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OSL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo are usually found in April or November, booked 54 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 septiembre 11, 2025.

Round-trip from

$418
(Icelandair)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$569
From Washington, D.C. Dulles Intl to Oslo
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One-way flight from Washington, D.C. Dulles Intl to Oslo
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Highest demand for flights based on searches. 16% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Oslo

Cheapest flights from Dulles Intl to Oslo
Explore the most affordable flight options available from Dulles Intl to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Icelandair deal was found by Cheapflights users on 9/9. 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.
mar. 10/148:30 pmIAD - OSL
1 stop10h 05mIcelandair
mié. 10/221:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 9/9$418
This Icelandair deal was found by Cheapflights users on 9/9. 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.
mié. 10/1511:15 pmIAD - OSL
1 stop31h 20mIcelandair
jue. 10/231:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 9/9$420
This Icelandair deal was found by Cheapflights users on 9/9. 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.
mié. 10/1511:15 pmIAD - OSL
1 stop31h 20mIcelandair
vie. 10/244:30 pmOSL - IAD
1 stop32h 50mIcelandair
Deal found 9/9$422
This oojo deal was found by Cheapflights users on 9/11. 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.
lun. 12/17:40 pmIAD - OSL
1 stop9h 55mIcelandair
lun. 12/81:10 pmOSL - IAD
1 stop11h 20mIcelandair
Deal found 9/11$428
This oojo deal was found by Cheapflights users on 9/9. 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.
jue. 9/258:30 pmIAD - OSL
1 stop10h 05mIcelandair
mar. 9/301:50 pmOSL - IAD
1 stop11h 30mIcelandair
Deal found 9/9$432
This oojo deal was found by Cheapflights users on 9/9. 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.
mar. 9/168:30 pmIAD - OSL
1 stop10h 05mIcelandair
mié. 9/244:30 pmOSL - IAD
1 stop11h 40mIcelandair
Deal found 9/9$433
This oojo deal was found by Cheapflights users on 9/10. 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.
lun. 12/15:30 pmIAD - OSL
1 stop18h 25mTAP AIR PORTUGAL
lun. 12/86:45 pmOSL - IAD
1 stop25h 50mTAP AIR PORTUGAL
Deal found 9/10$435
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2310:20 pmIAD - OSL
1 stop31h 40mTAP AIR PORTUGAL
jue. 11/66:55 pmOSL - IAD
1 stop32h 05mTAP AIR PORTUGAL
Deal found 9/10$437
This oojo deal was found by Cheapflights users on 9/10. 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.
mar. 10/1410:20 pmIAD - OSL
1 stop31h 40mTAP AIR PORTUGAL
mar. 10/216:50 pmOSL - IAD
1 stop26h 30mTAP AIR PORTUGAL
Deal found 9/10$441
This oojo deal was found by Cheapflights users on 9/9. 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.
mar. 10/286:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
mié. 11/51:00 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/9$442
This oojo deal was found by Cheapflights users on 9/10. 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.
sáb. 11/295:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
sáb. 12/66:45 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/10$444
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:30 pmIAD - OSL
1 stop12h 40mTAP AIR PORTUGAL
dom. 11/91:00 pmOSL - IAD
1 stop32h 15mTAP AIR PORTUGAL
Deal found 9/9$448

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Oslo that are best for you.

Fly from

Dulles Intl

Fly to

Oslo

Route

Depart

Return

Price

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

lun. 12/1

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

lun. 12/8

1:10 pm-6:30 pm

1 stop11h 20m

$428

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 9/25

8:30 pm-3:25 pm

1 stop12h 55m

Oslo Gardermoen

lun. 10/6

4:45 pm-7:20 pm

1 stop32h 35m

$453

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 12/4

7:40 pm-11:35 am

1 stop9h 55m

Oslo Gardermoen

lun. 12/8

1:10 pm-6:30 pm

1 stop11h 20m

$514

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

sáb. 11/29

1:20 pm-12:10 pm

2 stops16h 50m

Oslo Gardermoen

sáb. 12/6

6:15 am-4:21 pm

2 stops16h 06m

$528

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mar. 10/28

6:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

jue. 11/6

1:45 pm-8:15 pm

1 stop12h 30m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 12/4

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

lun. 12/8

9:35 am-3:50 pm

1 stop12h 15m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

dom. 11/2

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

vie. 11/7

9:35 am-3:50 pm

1 stop12h 15m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mié. 11/12

5:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

vie. 11/21

1:45 pm-8:15 pm

1 stop12h 30m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 10/30

6:40 pm-11:00 am

1 stop11h 20m

Oslo Gardermoen

mar. 11/4

6:15 am-8:54 pm

2 stops20h 39m

$530

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 12/4

10:55 pm-5:40 pm

1 stop12h 45m

Oslo Gardermoen

lun. 12/8

6:15 am-8:59 pm

2 stops20h 44m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 29 results
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Best time to book a flight from Dulles Intl to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Oslo

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Oslo. Price data was last updated on August 29, 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo in June is currently the most expensive (average of $1,005). 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 IAD to OSL?

Find hourly flight availability from Dulles Intl 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 septiembre 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Oslo in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Oslo?

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 septiembre 11, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and Icelandair from Washington, D.C. Dulles Intl Airport to Oslo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Boarding

7.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,484 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Boarding

7.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,937 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Boarding

7.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Icelandair
7.0
Good
546 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Boarding

7.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Lufthansa
6.8
Okay
7,409 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Boarding

7.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
British Airways
6.7
Okay
7,361 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Entertainment

6.7

Boarding

7.7

Comfort

7.3

Crew

8.0

Overall

7.4

Food

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Icelandair, Air Canada, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Oslo in just under 9h 55m. Your travel time can differ by up to 6h 55m. The distance from Washington, D.C. Dulles Intl Airport to Oslo is about 3885 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Oslo round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Oslo is Icelandair. Our recent data shows that you can find tickets from as low as $388 on this airline. Additional options worth looking into are Scandinavian Airlines and British Airways, starting at $400 and $517 round-trip. These flights start at 36% lower than the current average price 3 months from now.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Oslo?

    Washington, D.C. Dulles Intl Airport to Oslo flights have a layover in Reykjavik most often.

  • What are some popular things to do or see while on a layover in Reykjavik?

    The majority of Reykjavik visitors spend their time at Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool. Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $58 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Oslo flights?

    Washington, D.C. Dulles Intl Airport to Oslo flights have a layover in Copenhagen the least frequently.

  • Can I find deals for flights from Dulles Intl to Oslo that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Oslo.

  • Can I find deals for business class flights from Dulles Intl to Oslo?

    Yes. Cheapflights offers flight deals from Dulles Intl to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo in June is currently the most expensive (average of $1,005). 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.

See more FAQs

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Alternative routes for Dulles Intl to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Dulles Intl to Oslo

Discover the top 8 airlines that operate flights from Dulles Intl 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$388Average$593FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$610FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$705FlexibilityNo cancel feeOn-time70%
DeltaCheapest$538Average$597FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$543Average$581FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$545Average$750FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$560Average$725FlexibilityNo cancel feeOn-time76%
KLMCheapest$569Average$740FlexibilityNo cancel feeOn-time75%

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