$412 Cheap Flights from Oslo (OSL) to Baltimore (BWI)

View $412 flight on Mon, Sep 21, 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 $412 for one-way flights and $600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Oct 3 - Sat, Oct 10
OSL
Oslo
BWI
Baltimore
$600 Roundtrip, found 6 days ago
$600
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Oct 3 from Oslo to Baltimore, returning Sat, Oct 10, priced at $600 found 6 days ago
Icelandair
Sun, Jan 17 - Thu, Jan 21
OSL
Oslo
BWI
Baltimore
$602 Roundtrip, found 6 days ago
$602
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Jan 17 from Oslo to Baltimore, returning Thu, Jan 21, priced at $602 found 6 days ago
Icelandair
Thu, Aug 20 - Fri, Aug 28
OSL
Oslo
BWI
Baltimore
$615 Roundtrip, found 6 days ago
$615
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Aug 20 from Oslo to Baltimore, returning Fri, Aug 28, priced at $615 found 6 days ago
Icelandair
Wed, May 13 - Tue, May 26
OSL
Oslo
BWI
Baltimore
$615 Roundtrip, found 1 day ago
$615
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, May 13 from Oslo to Baltimore, returning Tue, May 26, priced at $615 found 1 day ago
Icelandair
Sun, May 10 - Tue, May 26
OSL
Oslo
BWI
Baltimore
$616 Roundtrip, found 2 days ago
$616
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, May 10 from Oslo to Baltimore, returning Tue, May 26, priced at $616 found 2 days ago
Icelandair
Tue, May 12 - Sat, May 16
OSL
Oslo
BWI
Baltimore
$617 Roundtrip, found 3 days ago
$617
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, May 12 from Oslo to Baltimore, returning Sat, May 16, priced at $617 found 3 days ago
British Airways
Fri, May 15 - Thu, May 28
OSL
Oslo
BWI
Baltimore
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, May 15 from Oslo to Baltimore, returning Thu, May 28, priced at $657 found 1 day ago
Finnair
Wed, Jan 13 - Sun, Jan 17
OSL
Oslo
BWI
Baltimore
$676 Roundtrip, found 6 days ago
$676
Roundtrip
found 6 days ago
Select Finnair flight, departing Wed, Jan 13 from Oslo to Baltimore, returning Sun, Jan 17, priced at $676 found 6 days ago
American Airlines
Thu, May 7 - Mon, May 11
OSL
Oslo
BWI
Baltimore
$763 Roundtrip, found 2 days ago
$763
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 7 from Oslo to Baltimore, returning Mon, May 11, priced at $763 found 2 days ago
Scandinavian Airlines
Sun, Jan 17 - Thu, Jan 21
OSL
Oslo
BWI
Baltimore
$809 Roundtrip, found 6 days ago
$809
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Sun, Jan 17 from Oslo to Baltimore, returning Thu, Jan 21, priced at $809 found 6 days 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. Average driving time to city center is 57 minutes. Flights from $2,439
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $2,439

Frequently asked questions

How much does a flight from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find cheap one-way flights and cheap return flights from $600 Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) with Expedia. One-way flights typically cost between $337 and $3036, and return flights often range between $602 and $2960. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The cheapest month to fly from OSL to BWI is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Enter OSL to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
TAP Portugal is one of the cheapest airlines offering connecting flights from Gardermoen (OSL) to Baltimore Washington Intl. Thurgood Marshall (BWI) with a layover in Humberto Delgado (LIS), starting from around $1,104. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) typically departs at around 5:40 AM, operated by Helvetic Airways, Swiss International Air Lines, and United. This is a seasonal service active in September, and an early departure can help you make the most of your day upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
For flights from Oslo (OSL) to Baltimore (BWI), the most popular departure times are from 6am to 9am. About 63% of passengers prefer this time window. Airlines like KLM, Delta, and SAS operate flights during this period. This timing is ideal for travelers wanting to maximize their day in Baltimore.
How long does it take to fly from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Flying from OSL to BWI with a connection usually takes about 17 hours 30 minutes, traveling roughly 3,850 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Business class seats are offered on the OSL to BWI route. Airlines that offer business class service on this route include:

  • British Airways
  • SAS
  • Icelandair
  • Finnair

How do I earn miles on a Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Baltimore from Gardermoen (OSL)?
If you're planning to travel to Baltimore from Gardermoen (OSL), you can fly into Baltimore Washington Intl. Thurgood Marshall (BWI) Some flights may connect through major hubs like Schiphol (AMS), Roissy-Charles de Gaulle (CDG), Heathrow (LHR) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) Baltimore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your Oslo (OSL-Gardermoen) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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.

Travel information

Origin airport
Gardermoen
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Aer Lingus, Air France, British Airways, Delta, Finnair, Icelandair, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$600
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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $412 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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