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

Currently, August is the cheapest month in which you can book a flight from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Users have found that booking a flight from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport at least 43 days early can save you up to 76% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport for as little as $514 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $695 for flights departing within the next 3 days.

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

November is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Oslo Sandefjord Airport. Prices for November average $525 per person but you can even find prices for as low as $351. The most expensive prices can be found in the month of July. Opting for a November flight can save you 26% on your journey compared to booking in July

What is the cheapest time of day to fly from TRF to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport as you normally would.

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

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

How can I find direct flights from Sandefjord to Dulles Intl?

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

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

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

$420+ Flights from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Sandefjord to Dulles Intl

Round-trip from	$475 (Scandinavian Airlines)
One-way from	$420 (Kiwi.com)
Popular in	July
Cheapest in	November
Average price	$665

From Oslo Sandefjord to Washington, D.C. Dulles Intl

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One-way flight from Oslo Sandefjord to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 11% potential increase in price ($65 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 July 2025

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Find flight deals from Sandefjord to Dulles Intl

Cheapest flights from Sandefjord to Dulles Intl
Explore the most affordable flight options available from Sandefjord to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

mar. 10/142:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

lun. 5/48:20 pmIAD - TRF

1 stop12h 00mScandinavian Airlines

Deal found 7/27

$475

mar. 8/266:25 pmTRF - IAD

3 stops27h 25mMultiple Airlines

mar. 9/28:45 pmIAD - TRF

3 stops29h 45mMultiple Airlines

Deal found 7/26

$677

vie. 12/59:40 amTRF - IAD

2 stops36h 25mKLM

dom. 12/76:05 pmIAD - TRF

2 stops38h 00mKLM

Deal found 7/27

$797

Best flights from Sandefjord to Dulles Intl
Discover carefully curated flight deals from Sandefjord to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 28, 2025.

mar. 10/142:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

dom. 5/38:20 pmIAD - TRF

1 stop12h 00mScandinavian Airlines

Deal found 7/27

$475

mar. 8/266:25 pmTRF - IAD

3 stops27h 25mMultiple Airlines

mar. 9/28:45 pmIAD - TRF

3 stops29h 45mMultiple Airlines

Deal found 7/26

$677

vie. 12/59:40 amTRF - IAD

2 stops36h 25mKLM

dom. 12/76:05 pmIAD - TRF

2 stops38h 00mKLM

Deal found 7/27

$797

Last-minute flights from Sandefjord to Dulles Intl
Discover last-minute flight deals from Sandefjord to Dulles Intl. Data last updated julio 28, 2025 and is based on user searches.

lun. 8/252:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

lun. 9/110:05 pmIAD - TRF

1 stop10h 15mScandinavian Airlines

Deal found 7/28

$648

mar. 8/266:25 pmTRF - IAD

3 stops27h 25mMultiple Airlines

mar. 9/28:45 pmIAD - TRF

3 stops29h 45mMultiple Airlines

Deal found 7/26

$677

One-way flights from Sandefjord to Dulles Intl
Search for one-way flight options from Sandefjord to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated julio 28, 2025.

mar. 9/169:50 pmTRF - IAD

3 stops47h 30mMultiple Airlines

Deal found 7/28

$420

mar. 9/302:55 pmTRF - IAD

1 stop11h 04mScandinavian Airlines

Deal found 7/27

$479

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

mar. 10/14

2:55 pm-7:59 pm

1 stop11h 04m

Washington, D.C. Dulles Intl

dom. 5/3

8:20 pm-2:20 pm

1 stop12h 00m

$475

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

mar. 8/26

6:25 pm-3:50 pm

3 stops27h 25m

Washington, D.C. Dulles Intl

mar. 9/2

8:45 pm-8:30 am

3 stops29h 45m

$677

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

vie. 12/5

9:40 am-4:05 pm

2 stops36h 25m

Washington, D.C. Dulles Intl

dom. 12/7

6:05 pm-2:05 pm

2 stops38h 00m

$797

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

mar. 9/16

9:50 pm-3:20 pm

3 stops47h 30m

$420

OsloWashington, D.C.

TRF - IAD

TRFIAD

Oslo Sandefjord

mar. 9/30

2:55 pm-7:59 pm

1 stop11h 04m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Sandefjord to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sandefjord 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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with KLM and Scandinavian Airlines from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,381 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,381 reviews

KLM

7.8

Good

1,381 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Scandinavian Airlines

7.3

Good

1,446 reviews

KLM

7.8

Good

1,381 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Can I find deals for flights from Sandefjord to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Sandefjord to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sandefjord to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sandefjord to Dulles Intl.
Can I find deals for business class flights from Sandefjord to Dulles Intl?
Yes. Cheapflights offers flight deals from Sandefjord to Dulles Intl 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 Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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$420+ Cheap flights from Sandefjord (TRF) to Dulles Intl (IAD)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sandefjord to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sandefjord to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sandefjord to Dulles Intl

Cheapest flights from Sandefjord to Dulles IntlExplore the most affordable flight options available from Sandefjord to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

Explore the most affordable flight options available from Sandefjord to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Sandefjord to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sandefjord with our price prediction graph.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with KLM and Scandinavian Airlines from Oslo Sandefjord Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

How can I find direct flights from Sandefjord to Dulles Intl?

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

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

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

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Cheapest flights from Sandefjord to Dulles Intl
Explore the most affordable flight options available from Sandefjord to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.