$290 Cheap Flights from Oslo (OSL) to Baltimore (BWI)

View $290 flight on Fri, May 8, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Baltimore Washington Intl. Airport (BWI)

Cheap Flights from Oslo to Baltimore (OSL-BWI)

Prices were available within the past 7 days and start at $290 for one-way flights and $476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Mar 14 - Wed, Mar 18
OSL
Oslo
BWI
Baltimore
$476 Roundtrip, found 10 hours ago
$476
Roundtrip
found 10 hours ago
Select Icelandair flight, departing Sat, Mar 14 from Oslo to Baltimore, returning Wed, Mar 18, priced at $476 found 10 hours ago
American Airlines
Sun, Dec 7 - Thu, Dec 11
OSL
Oslo
BWI
Baltimore
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Dec 7 from Oslo to Baltimore, returning Thu, Dec 11, priced at $498 found 1 day ago
American Airlines
Tue, Nov 4 - Tue, Nov 18
OSL
Oslo
BWI
Baltimore
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 4 from Oslo to Baltimore, returning Tue, Nov 18, priced at $498 found 1 day ago
American Airlines
Sat, Jan 10 - Thu, Jan 15
OSL
Oslo
BWI
Baltimore
$512 Roundtrip, found 5 days ago
$512
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 10 from Oslo to Baltimore, returning Thu, Jan 15, priced at $512 found 5 days ago
American Airlines
Mon, Nov 10 - Thu, Nov 13
OSL
Oslo
BWI
Baltimore
$514 Roundtrip, found 21 hours ago
$514
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Mon, Nov 10 from Oslo to Baltimore, returning Thu, Nov 13, priced at $514 found 21 hours ago
Icelandair
Sat, Jan 10 - Thu, Jan 15
OSL
Oslo
BWI
Baltimore
$514 Roundtrip, found 5 days ago
$514
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sat, Jan 10 from Oslo to Baltimore, returning Thu, Jan 15, priced at $514 found 5 days ago
Icelandair
Sat, Dec 6 - Sat, Dec 13
OSL
Oslo
BWI
Baltimore
$515 Roundtrip, found 1 day ago
$515
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Dec 6 from Oslo to Baltimore, returning Sat, Dec 13, priced at $515 found 1 day ago
British Airways
Fri, Feb 27 - Sat, Mar 7
OSL
Oslo
BWI
Baltimore
$517 Roundtrip, found 5 days ago
$517
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Feb 27 from Oslo to Baltimore, returning Sat, Mar 7, priced at $517 found 5 days ago
Delta
Tue, Nov 4 - Mon, Nov 17
OSL
Oslo
BWI
Baltimore
$548 Roundtrip, found 5 days ago
$548
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Oslo to Baltimore, returning Mon, Nov 17, priced at $548 found 5 days ago
United
Fri, Nov 7 - Mon, Nov 10
OSL
Oslo
BWI
Baltimore
$552 Roundtrip, found 21 hours ago
$552
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Nov 7 from Oslo to Baltimore, returning Mon, Nov 10, priced at $552 found 21 hours ago

Alternative airports near Baltimore

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

Select flight to Ronald Reagan Washington National DCA. Cheapest option available. Average driving time to city center is 57 minutes. Flights from $533
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center57 min
Flights from $533

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Secure a cheap one-way flight from $290 or cheap return flight from $476 from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The cheapest month to fly from OSL to BWI is March, when demand is low. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To find the cheapest airline flying from OSL to BWI, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You'll have to hop on a flight with a layover if you're traveling from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from OSL to BWI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, aim to fly before 3 PM. Flights 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 Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Booking your ticket from OSL to BWI just before your journey is generally more expensive. But if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book an OSL to BWI flight and hotel package?
Booking an OSL to BWI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you booked your OSL to BWI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Gardermoen
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Air France, American Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$476
Distance
3849 mi

Book with confidence

Oslo to Baltimore Flights

The cheapest times to fly from Oslo to Baltimore

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

 

The best time to book a flight from Oslo to Baltimore

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

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 Oslo to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $290 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 Oslo to Baltimore 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 Oslo to Baltimore 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.

 

Oslo to Baltimore Flights

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*Available to One Key members.