$414 Cheap Flights from Baltimore (BWI) to Tromsø (TOS)

View $414 flight on Tue, Jul 22, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Tromsø (TOS-Langnes)

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Cheap Flights from Baltimore to Tromsø (BWI-TOS)

Prices were available within the past 7 days and start at $414 for one-way flights and $565 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $565 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$583 Roundtrip, found 3 days ago
$583
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $583 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$614 Roundtrip, found 3 days ago
$614
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $614 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$616 Roundtrip, found 3 days ago
$616
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $616 found 3 days ago
American Airlines
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$627 Roundtrip, found 3 days ago
$627
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $627 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$629 Roundtrip, found 3 days ago
$629
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $629 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$631 Roundtrip, found 3 days ago
$631
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $631 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$632 Roundtrip, found 3 days ago
$632
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $632 found 3 days ago
British Airways
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$637 Roundtrip, found 3 days ago
$637
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $637 found 3 days ago
American Airlines
Wed, Nov 26 - Wed, Dec 3
BWI
Baltimore
TOS
Tromsø
$643 Roundtrip, found 3 days ago
$643
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Nov 26 from Baltimore to Tromsø, returning Wed, Dec 3, priced at $643 found 3 days ago
Flights from Baltimore (BWI) to Tromsø (TOS)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Langnes
Airlines serving
Finnair
Roundtrip price
$565
Distance
3835 mi

Baltimore to Tromsø Flights

The cheapest times to fly from Baltimore to Tromsø

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 Baltimore to Tromsø are during the month of November. You can find some of the cheapest flights from Baltimore to Tromsø with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Tromsø

Sunday is one of the best days to book for cheap flights from Baltimore to Tromsø: 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 Baltimore to Tromsø

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 Baltimore to Tromsø in 2025. You can also book with separate airlines for your outbound and return journeys, from $414 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 Baltimore to Tromsø 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 Baltimore to Tromsø 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS) cost?
Discover the latest flight deals from BWI to TOS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BWI to TOS?
The cheapest flights from BWI to TOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BWI to TOS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BWI to TOS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS)?
There are no daily direct flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from BWI to TOS?
Typically you’ll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS) last-minute?
Last-minute fares from BWI to TOS are typically more expensive. To lock in the best prices, start searching for flights well ahead of time. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a BWI to TOS flight and hotel package?
You’ll typically save money by booking a BWI to TOS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Langnes Airport (TOS)?
If you booked your BWI to TOS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.