$376 Cheap Flights from Baltimore (BWI) to Oslo (OSL)

View $376 flight on Thu, Nov 6, 2025Opens in a new window

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

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Cheap Flights from Baltimore to Oslo (BWI-OSL)

Prices were available within the past 7 days and start at $376 for one-way flights and $467 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Dec 6 - Wed, Dec 10
BWI
Baltimore
OSL
Oslo
$467 Roundtrip, found 2 days ago
$467
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sat, Dec 6 from Baltimore to Oslo, returning Wed, Dec 10, priced at $467 found 2 days ago
Icelandair
Fri, Dec 5 - Fri, Dec 12
BWI
Baltimore
OSL
Oslo
$467 Roundtrip, found 14 hours ago
$467
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Fri, Dec 5 from Baltimore to Oslo, returning Fri, Dec 12, priced at $467 found 14 hours ago
Icelandair
Tue, Apr 7 - Mon, Apr 20
BWI
Baltimore
OSL
Oslo
$469 Roundtrip, found 1 hour ago
$469
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Tue, Apr 7 from Baltimore to Oslo, returning Mon, Apr 20, priced at $469 found 1 hour ago
Icelandair
Tue, Dec 2 - Wed, Dec 10
BWI
Baltimore
OSL
Oslo
$474 Roundtrip, found 2 days ago
$474
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Dec 2 from Baltimore to Oslo, returning Wed, Dec 10, priced at $474 found 2 days ago
Icelandair
Tue, Dec 2 - Fri, Dec 12
BWI
Baltimore
OSL
Oslo
$474 Roundtrip, found 14 hours ago
$474
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Tue, Dec 2 from Baltimore to Oslo, returning Fri, Dec 12, priced at $474 found 14 hours ago
Icelandair
Sat, Feb 14 - Sun, Feb 22
BWI
Baltimore
OSL
Oslo
$476 Roundtrip, found 3 days ago
$476
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sat, Feb 14 from Baltimore to Oslo, returning Sun, Feb 22, priced at $476 found 3 days ago
Scandinavian Airlines
Tue, Sep 30 - Tue, Oct 21
BWI
Baltimore
OSL
Oslo
$518 Roundtrip, found 4 days ago
$518
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Tue, Sep 30 from Baltimore to Oslo, returning Tue, Oct 21, priced at $518 found 4 days ago
American Airlines
Thu, Nov 6 - Wed, Nov 12
BWI
Baltimore
OSL
Oslo
$526 Roundtrip, found 3 days ago
$526
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 6 from Baltimore to Oslo, returning Wed, Nov 12, priced at $526 found 3 days ago
British Airways
Wed, Jan 14 - Mon, Jan 19
BWI
Baltimore
OSL
Oslo
$530 Roundtrip, found 16 hours ago
$530
Roundtrip
found 16 hours ago
Select British Airways flight, departing Wed, Jan 14 from Baltimore to Oslo, returning Mon, Jan 19, priced at $530 found 16 hours ago
Delta
Wed, Nov 19 - Wed, Nov 26
BWI
Baltimore
OSL
Oslo
$530 Roundtrip, found 1 day ago
$530
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 19 from Baltimore to Oslo, returning Wed, Nov 26, priced at $530 found 1 day ago

Find the cheapest month to fly from Baltimore (BWI) to Oslo (OSL)

November is typically the cheapest month to fly

From $405 - $841 per traveler.

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL) cost?
Secure a cheap one-way flight from $376 or cheap return flight from $467 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL)?
The cheapest month to fly from BWI to OSL is December, when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from BWI to OSL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL)?
There aren't any daily nonstop flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from BWI to OSL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline 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 Gardermoen Airport (OSL)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being 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 Gardermoen Airport (OSL) last-minute?
Last-minute fares from BWI to OSL are typically more expensive. To lock in the lowest rates, start looking for flights early. That being said, if your travel plans are flexible, you may score a cheap ticket right before your journey.
Is it cheaper to book a BWI to OSL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to OSL flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL)?
It's generally possible to cancel or reschedule your BWI to OSL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Gardermoen
Airlines serving
Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$466
Distance
3849 mi

Book with confidence

Book with confidence

Baltimore to Oslo Flights

The cheapest times to fly from Baltimore to Oslo

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

 

The best time to book a flight from Baltimore to Oslo

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

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 Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $376 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 Oslo 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 Oslo 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.

 

Baltimore to Oslo Flights

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*Available to One Key members.