What is the cheapest airline that flies from Oslo to Washington, D.C.?

British Airways, Finnair, and Icelandair are the most popular carriers operating from Oslo to Washington, D.C.

What airlines fly to Washington, D.C.?

Lufthansa, Scandinavian Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Oslo according to our data. Lufthansa is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Oslo to Washington, D.C.?

Prices for flights from Oslo to Washington, D.C. are updated daily.

How many operators does momondo search for flights from Oslo to Washington, D.C.?

As of December 2025, there are 5 operators available to choose from for flights from Oslo to Washington, D.C..

How old do you have to be to fly from Oslo to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oslo to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$311 Cheap Flights from Oslo to Washington, D.C. in 2025/26

Q: What is the typical price of a round-trip flight between Oslo and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from $504 to $790. The lowest price recently found on this route was $398.

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Find the cheapest flights from Oslo to Washington, D.C.

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 pm - 6:30 pm

OSL

IAD

27h 00m1 stop

7:40 pm - 11:35 am

IAD

OSL

9h 55m1 stop

$398Icelandair

Sun, Jan 25 - Sat, Feb 7

1:10 pm - 6:30 pm

OSL

IAD

11h 20m1 stop

7:40 pm - 11:35 am

IAD

OSL

9h 55m1 stop

$399Icelandair

Mon, Feb 2 - Mon, Feb 9

9:30 pm - 6:30 pm

OSL

IAD

27h 00m1 stop

7:40 pm - 8:35 pm

IAD

OSL

18h 55m1 stop

$400Icelandair

Sun, Jan 25 - Sat, Feb 7

9:30 pm - 6:30 pm

OSL

IAD

27h 00m1 stop

7:40 pm - 8:35 pm

IAD

OSL

18h 55m1 stop

$420Icelandair

Sun, Jan 25 - Sat, Feb 7

7:20 am - 4:50 pm

OSL

DCA

15h 30m2 stops

5:45 pm - 11:00 pm

DCA

OSL

23h 15m2 stops

$440British Airways

Sun, Jan 25 - Sat, Feb 7

6:55 pm - 9:00 pm

OSL

IAD

32h 05m1 stop

10:30 pm - 6:05 pm

IAD

OSL

13h 35m1 stop

$441TAP AIR PORTUGAL

Thu, Jan 15 - Wed, Jan 21

11:30 am - 6:45 pm

OSL

BWI

13h 15m1 stop

8:35 pm - 2:10 pm

BWI

OSL

11h 35m1 stop

$465British Airways

Sun, Jan 25 - Sat, Feb 7

8:45 am - 10:03 pm

OSL

DCA

19h 18m2 stops

5:45 pm - 8:10 pm

DCA

OSL

20h 25m2 stops

$476Finnair

Mon, Feb 2 - Mon, Feb 9

2:35 pm - 3:20 pm

TRF

IAD

30h 45m1 stop

8:30 pm - 4:35 pm

IAD

TRF

14h 05m1 stop

$518Scandinavian Airlines

Sun, Jan 25 - Sat, Feb 7

2:35 pm - 3:20 pm

TRF

IAD

30h 45m1 stop

8:30 pm - 4:35 pm

IAD

TRF

14h 05m1 stop

$521Scandinavian Airlines

Sun, Jan 25 - Sat, Feb 7

Icelandair flights from Oslo to Washington, D.C.

Our best Icelandair deals on Oslo to Washington, D.C. flight tickets

Icelandair

Jan 25

OSL9:30 pmOslo Gardermoen

27h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Feb 7

IAD7:40 pmWashington, D.C. Dulles Intl

9h 55m

1 stop

OSL11:35 amOslo Gardermoen

$398

Find similar

Icelandair

Feb 2

OSL1:10 pmOslo Gardermoen

11h 20m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Feb 9

IAD7:40 pmWashington, D.C. Dulles Intl

9h 55m

1 stop

OSL11:35 amOslo Gardermoen

$399

Find similar

Icelandair

Jan 25

OSL9:30 pmOslo Gardermoen

27h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Feb 7

IAD7:40 pmWashington, D.C. Dulles Intl

18h 55m

1 stop

OSL8:35 pmOslo Gardermoen

$400

Find similar

TAP AIR PORTUGAL flights from Oslo to Washington, D.C.

Our best TAP AIR PORTUGAL deals on Oslo to Washington, D.C. flight tickets

TAP AIR PORTUGAL

Jan 15

OSL6:55 pmOslo Gardermoen

32h 05m

1 stop

IAD9:00 pmWashington, D.C. Dulles Intl

Jan 21

IAD10:30 pmWashington, D.C. Dulles Intl

13h 35m

1 stop

OSL6:05 pmOslo Gardermoen

$441

Find similar

TAP AIR PORTUGAL

Jan 15

OSL6:55 pmOslo Gardermoen

32h 05m

1 stop

IAD9:00 pmWashington, D.C. Dulles Intl

Jan 22

IAD5:30 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

OSL12:10 pmOslo Gardermoen

$446

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 1/25

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Sat 2/7

7:40 pm-11:35 am

1 stop9h 55m

$398

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Mon 2/2

1:10 pm-6:30 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 2/9

7:40 pm-11:35 am

1 stop9h 55m

$399

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 1/25

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Sat 2/7

7:40 pm-8:35 pm

1 stop18h 55m

$400

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Sun 1/25

9:30 pm-6:30 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Sat 2/7

7:40 pm-8:35 pm

1 stop18h 55m

$420

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Sun 1/25

7:20 am-4:50 pm

2 stops15h 30m

Washington, D.C. Reagan-National

Sat 2/7

5:45 pm-11:00 pm

2 stops23h 15m

$440

OsloWashington, D.C.

OSL - IAD

OSLIAD

Oslo Gardermoen

Thu 1/15

6:55 pm-9:00 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Wed 1/21

10:30 pm-6:05 pm

1 stop13h 35m

$441

OsloBaltimore

OSL - BWI

OSLBWI

Oslo Gardermoen

Sun 1/25

11:30 am-6:45 pm

1 stop13h 15m

Baltimore/Washington

Sat 2/7

8:35 pm-2:10 pm

1 stop11h 35m

$465

OsloWashington, D.C.

OSL - DCA

OSLDCA

Oslo Gardermoen

Mon 2/2

8:45 am-10:03 pm

2 stops19h 18m

Washington, D.C. Reagan-National

Mon 2/9

5:45 pm-8:10 pm

2 stops20h 25m

$476

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Sun 1/25

2:35 pm-3:20 pm

1 stop30h 45m

Washington, D.C. Dulles Intl

Sat 2/7

8:30 pm-4:35 pm

1 stop14h 05m

$518

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

Sun 1/25

2:35 pm-3:20 pm

1 stop30h 45m

Washington, D.C. Dulles Intl

Sat 2/7

8:30 pm-4:35 pm

1 stop14h 05m

$521

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oslo to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Oslo and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Oslo, with most prices found around $444. If you’re not able to fly to Washington, D.C. in February, then November is your next best option. Flight prices from Oslo to Washington, D.C. during November average around $462.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Oslo is on a Friday. momondo users have found tickets for Friday departures for as low as $521. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Oslo to Washington, D.C. for around $678.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Oslo to Washington, D.C. when you can find flight prices for as low as $480. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $603. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Oslo when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $579 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Oslo for as low as $429 on momondo.

Cheap Oslo to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oslo to Washington, D.C.

Fastest flight time	11h 20m
Direct flights	None

The fastest flight from Oslo to Washington, D.C. takes 11h 20m

There are no direct flights from Oslo to Washington, D.C.. There are no popular flight routes from Oslo to Washington, D.C..

Search flight deals

How far is Oslo to Washington, D.C. by plane?
A flight from Oslo to Washington, D.C. will travel around 3869.9 mi. A reasonable flight in good conditions will take 11h 20m.
When did momondo last update prices for flights from Oslo to Washington, D.C.?
Prices for flights from Oslo to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Oslo to Washington, D.C.?
As of December 2025, there are 5 operators available to choose from for flights from Oslo to Washington, D.C..
How old do you have to be to fly from Oslo to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Oslo to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Oslo to Washington, D.C.

Compare and see reviews for airlines that fly from Oslo to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $438	Free Cancellation	Rating 6.7 7,595 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $438	Free Cancellation	Rating 7.4 1,618 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $448	Free Cancellation	Rating 6.8 7,639 reviews	Search Lufthansa flights
United Airlines	PriceFrom $459	Free Cancellation	Rating 7.4 9,096 reviews	Search United Airlines flights
KLM	PriceFrom $479	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Oslo to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oslo to Washington, D.C. for you.

Can I find flights from Oslo to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Oslo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oslo to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Oslo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Oslo to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Oslo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.