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Oslo Gardermoen

$291+ Cheap flights from Dulles Intl (IAD) to Oslo Gardermoen (OSL)

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.
IAD — OSL
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Oslo Gardermoen are usually found in April or November, booked 32 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Oslo Gardermoen

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Oslo Gardermoen (OSL). 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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$501
(Icelandair)

One-way from

$335
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$517
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Oslo Gardermoen flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Oslo Gardermoen flights.
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From Washington, D.C. Dulles Intl to Oslo Gardermoen
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One-way flight from Washington, D.C. Dulles Intl to Oslo Gardermoen
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Highest demand for flights based on searches. 18% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Dulles Intl to Oslo Gardermoen

Cheapest flights from Dulles Intl to Oslo Gardermoen
Explore the most affordable flight options available from Dulles Intl to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

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.
jue. 8/2111:15 pmIAD - OSL
1 stop10h 10mIcelandair
lun. 9/14:30 pmOSL - IAD
1 stop11h 40mIcelandair
Deal found 4/28$501
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.
mié. 10/110:25 amIAD - OSL
2 stops17h 55mMultiple Airlines
mié. 10/1511:05 amOSL - IAD
1 stop14h 54mMultiple Airlines
Deal found 4/28$506
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.
jue. 8/2110:05 pmIAD - OSL
1 stop10h 05mScandinavian Airlines
dom. 8/311:35 pmOSL - IAD
1 stop12h 24mScandinavian Airlines
Deal found 4/28$522
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.
sáb. 11/299:55 amIAD - OSL
2 stops20h 15mAir Canada
sáb. 12/66:20 amOSL - IAD
2 stops20h 45mAir Canada
Deal found 4/28$571
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.
vie. 8/110:40 pmIAD - OSL
1 stop17h 50mBritish Airways
mar. 8/127:25 pmOSL - IAD
1 stop26h 30mBritish Airways
Deal found 4/28$574
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.
sáb. 8/169:20 pmIAD - OSL
1 stop13h 20mDelta
mié. 8/276:00 amOSL - IAD
2 stops19h 37mDelta
Deal found 4/28$578
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1910:40 pmIAD - OSL
1 stop18h 45mFinnair
sáb. 8/308:35 amOSL - IAD
2 stops17h 40mFinnair
Deal found 4/28$599
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.
dom. 5/118:45 pmIAD - OSL
1 stop21h 10mSWISS
sáb. 5/171:55 pmOSL - IAD
1 stop32h 20mSWISS
Deal found 4/28$600
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:40 pmIAD - OSL
2 stops21h 30mUnited Airlines
sáb. 10/256:35 amOSL - IAD
2 stops20h 30mUnited Airlines
Deal found 4/28$605
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/313:25 pmIAD - OSL
1 stop11h 35mLufthansa
jue. 8/147:15 amOSL - IAD
2 stops14h 35mLufthansa
Deal found 4/28$640

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Oslo Gardermoen 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 abril 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport that are best for you.

Fly from

Dulles Intl

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 8/21

11:15 pm-3:25 pm

1 stop10h 10m

Oslo Gardermoen

vie. 8/29

4:30 pm-10:10 pm

1 stop11h 40m

$501

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mié. 10/1

10:25 am-10:20 am

2 stops17h 55m

Oslo Gardermoen

mié. 10/15

11:05 am-7:59 pm

1 stop14h 54m

$506

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 8/21

10:05 pm-2:10 pm

1 stop10h 05m

Oslo Gardermoen

dom. 8/31

1:35 pm-7:59 pm

1 stop12h 24m

$522

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

vie. 8/1

10:40 pm-10:30 pm

1 stop17h 50m

Oslo Gardermoen

mar. 8/12

7:25 pm-3:55 pm

1 stop26h 30m

$574

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mar. 8/12

2:25 pm-3:40 pm

2 stops19h 15m

Oslo Gardermoen

mar. 8/26

6:35 am-4:18 pm

2 stops15h 43m

$577

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

sáb. 8/16

9:20 pm-4:40 pm

1 stop13h 20m

Oslo Gardermoen

mié. 8/27

6:00 am-7:37 pm

2 stops19h 37m

$578

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

mar. 8/19

10:40 pm-11:25 pm

1 stop18h 45m

Oslo Gardermoen

sáb. 8/30

8:35 am-8:15 pm

2 stops17h 40m

$599

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

dom. 5/11

8:45 pm-11:55 pm

1 stop21h 10m

Oslo Gardermoen

sáb. 5/17

1:55 pm-4:15 pm

1 stop32h 20m

$600

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

vie. 10/17

6:40 pm-10:10 pm

2 stops21h 30m

Oslo Gardermoen

sáb. 10/25

6:35 am-9:05 pm

2 stops20h 30m

$605

Washington, D.C.Oslo

IAD - OSL

IADOSL

Washington, D.C. Dulles Intl

jue. 7/31

3:25 pm-9:00 am

1 stop11h 35m

Oslo Gardermoen

jue. 8/14

7:15 am-3:50 pm

2 stops14h 35m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 22 results
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Compare providers for flights from Dulles Intl to Oslo Gardermoen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Oslo Gardermoen in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen 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 Gardermoen Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Oslo Gardermoen. Price data was last updated on April 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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 Gardermoen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 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 Gardermoen Airport 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.

Rainfall in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo Gardermoen Airport 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 Gardermoen Airport when rainfall is around 1.6 in.

Temperature in Oslo Gardermoen by month

Plan your trip to Oslo Gardermoen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo Gardermoen Airport, 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 Gardermoen

Get insights into the airlines that provide service to Oslo Gardermoen. 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 Gardermoen. Reviews last updated abril 29, 2025.
See what other customers who have flown with Delta, Finnair and SWISS from Washington, D.C. to Oslo have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,785 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

    Icelandair, at $501, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport.Alternate airlines to your destination round-trip include Scandinavian Airlines and British Airways. You may be able to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport for 20% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport are Icelandair ($335), United Airlines ($431), and SWISS ($460).

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

    Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport flights have a layover in Reykjavik most of the time.

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

    Reykjavik travelers tend to visit Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool more than anywhere else. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $47 per day.

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

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

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

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

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

    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 Gardermoen.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Oslo Gardermoen 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 Gardermoen Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $567). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,101). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Gardermoen

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Alternative routes for Dulles Intl to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Oslo Gardermoen flights
Baltimore to Oslo Gardermoen flights
Dulles Intl to Sandefjord flights
Baltimore to Sandefjord flights

Top 8 airlines flying from Dulles Intl to Oslo Gardermoen

Discover the top 8 airlines that operate flights from Dulles Intl to Oslo Gardermoen. 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$607FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$411Average$673FlexibilityNo cancel feeOn-time77%
DeltaCheapest$501Average$592FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$512Average$716FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$531Average$752FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$719FlexibilityNo cancel feeOn-time76%
KLMCheapest$542Average$720FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$566Average$640FlexibilityNo cancel feeOn-time77%

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