$673 Cheap Flights from Tromsø (TOS) to Washington (IAD)

View $673 flight on Mon, Jun 15, 2026Opens in a new window

Popular airlines from Tromsø (TOS-Langnes) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Tromsø to Washington (TOS-IAD)

Prices were available within the past 7 days and start at $673 for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sun, Sep 14 - Tue, Sep 23
TOS
Tromsø
IAD
Washington
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, Sep 14 from Tromsø to Washington, returning Tue, Sep 23, priced at $472 found 2 days ago
Scandinavian Airlines
Sat, Jan 24 - Wed, Feb 4
TOS
Tromsø
IAD
Washington
$476 Roundtrip, found 2 days ago
$476
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Jan 24 from Tromsø to Washington, returning Wed, Feb 4, priced at $476 found 2 days ago
Scandinavian Airlines
Wed, Sep 10 - Tue, Sep 23
TOS
Tromsø
IAD
Washington
$485 Roundtrip, found 2 days ago
$485
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Wed, Sep 10 from Tromsø to Washington, returning Tue, Sep 23, priced at $485 found 2 days ago
Scandinavian Airlines
Sun, Sep 14 - Wed, Sep 24
TOS
Tromsø
IAD
Washington
$487 Roundtrip, found 2 days ago
$487
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, Sep 14 from Tromsø to Washington, returning Wed, Sep 24, priced at $487 found 2 days ago
Scandinavian Airlines
Mon, Jan 19 - Wed, Feb 4
TOS
Tromsø
IAD
Washington
$489 Roundtrip, found 2 days ago
$489
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 19 from Tromsø to Washington, returning Wed, Feb 4, priced at $489 found 2 days ago
Scandinavian Airlines
Fri, Nov 7 - Mon, Nov 17
TOS
Tromsø
IAD
Washington
$491 Roundtrip, found 2 days ago
$491
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Nov 7 from Tromsø to Washington, returning Mon, Nov 17, priced at $491 found 2 days ago
Delta
Sat, Nov 8 - Fri, Nov 28
TOS
Tromsø
IAD
Washington
$521 Roundtrip, found 2 days ago
$521
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Tromsø to Washington, returning Fri, Nov 28, priced at $521 found 2 days ago
KLM
Sun, Nov 9 - Fri, Nov 28
TOS
Tromsø
IAD
Washington
$530 Roundtrip, found 2 days ago
$530
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Nov 9 from Tromsø to Washington, returning Fri, Nov 28, priced at $530 found 2 days ago
British Airways
Thu, Jan 8 - Sun, Jan 11
TOS
Tromsø
IAD
Washington
$558 Roundtrip, found 2 days ago
$558
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Jan 8 from Tromsø to Washington, returning Sun, Jan 11, priced at $558 found 2 days ago
Lufthansa
Tue, Jan 6 - Fri, Jan 23
TOS
Tromsø
IAD
Washington
$694 Roundtrip, found 2 days ago
$694
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Jan 6 from Tromsø to Washington, returning Fri, Jan 23, priced at $694 found 2 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $866
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $866
Flights from Tromsø (TOS) to Washington (IAD)
Origin airport
Langnes
Destination airport
Washington Dulles Intl.
Roundtrip price
$471
Distance
3866 mi

Tromsø to Washington Flights

The cheapest times to fly from Tromsø to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tromsø to Washington are during the month of September. You can find some of the cheapest flights from Tromsø to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tromsø to Washington

Sunday is one of the best days to book for cheap flights from Tromsø to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Tromsø to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tromsø to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $673 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tromsø to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tromsø to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD) cost?
Secure a cheap one-way flight from $673 or cheap return flight from $472 from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from TOS to IAD is September, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest TOS to IAD flight.
How many flights per day from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily nonstop flights from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from TOS to IAD?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book a ticket from TOS to IAD generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a TOS to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a TOS to IAD flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Langnes Airport (TOS) to Washington Dulles Intl. Airport (IAD)?
If you booked your TOS to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.