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$245 Cheap Flights from Baltimore (BWI) to Oslo (OSL)

View $245 flight on Sun, Nov 29, 2026Opens 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 $245 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Dec 5 - Sun, Dec 13
BWI
Baltimore
OSL
Oslo
$519 Roundtrip, found 9 hours ago
$519
Roundtrip
found 9 hours ago
Select Icelandair flight, departing Sat, Dec 5 from Baltimore to Oslo, returning Sun, Dec 13, priced at $519 found 9 hours ago
Icelandair
Sat, Dec 5 - Sun, Dec 13
BWI
Baltimore
OSL
Oslo
$520 Roundtrip, found 9 hours ago
$520
Roundtrip
found 9 hours ago
Select Icelandair flight, departing Sat, Dec 5 from Baltimore to Oslo, returning Sun, Dec 13, priced at $520 found 9 hours ago
Icelandair
Tue, Apr 27 - Sat, May 1
BWI
Baltimore
OSL
Oslo
$526 Roundtrip, found 2 days ago
$526
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Apr 27 from Baltimore to Oslo, returning Sat, May 1, priced at $526 found 2 days ago
Icelandair
Wed, May 5 - Sun, May 9
BWI
Baltimore
OSL
Oslo
$534 Roundtrip, found 5 days ago
$534
Roundtrip
found 5 days ago
Select Icelandair flight, departing Wed, May 5 from Baltimore to Oslo, returning Sun, May 9, priced at $534 found 5 days ago
Icelandair
Mon, Dec 7 - Mon, Dec 14
BWI
Baltimore
OSL
Oslo
$534 Roundtrip, found 12 hours ago
$534
Roundtrip
found 12 hours ago
Select Icelandair flight, departing Mon, Dec 7 from Baltimore to Oslo, returning Mon, Dec 14, priced at $534 found 12 hours ago
Icelandair
Sun, Nov 29 - Sun, Dec 6
BWI
Baltimore
OSL
Oslo
$536 Roundtrip, just found
$536
Roundtrip
just found
Select Icelandair flight, departing Sun, Nov 29 from Baltimore to Oslo, returning Sun, Dec 6, priced at $536 just found
American Airlines
Wed, Nov 18 - Thu, Nov 26
BWI
Baltimore
OSL
Oslo
$740 Roundtrip, found 16 hours ago
$740
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Nov 18 from Baltimore to Oslo, returning Thu, Nov 26, priced at $740 found 16 hours ago
British Airways
Wed, Nov 18 - Thu, Nov 26
BWI
Baltimore
OSL
Oslo
$740 Roundtrip, found 16 hours ago
$740
Roundtrip
found 16 hours ago
Select British Airways flight, departing Wed, Nov 18 from Baltimore to Oslo, returning Thu, Nov 26, priced at $740 found 16 hours ago
Delta
Tue, Oct 27 - Thu, Nov 5
BWI
Baltimore
OSL
Oslo
$742 Roundtrip, found 1 day ago
$742
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 27 from Baltimore to Oslo, returning Thu, Nov 5, priced at $742 found 1 day ago
United
Mon, Dec 7 - Sun, Dec 13
BWI
Baltimore
OSL
Oslo
$752 Roundtrip, found 2 days ago
$752
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 7 from Baltimore to Oslo, returning Sun, Dec 13, priced at $752 found 2 days ago

Alternative airports near Oslo

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

Select flight to Gardermoen OSL. Cheapest and Closest option available. Average driving time to city center is 40 minutes. Flights from $886
OSL
Gardermoen
CheapestClosest
Average driving time to city center40 min
Flights from $886

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

October is typically the cheapest month to fly

From $424 - $721 per traveler.

What you need to know for your flight from Baltimore Washington Intl. Thurgood Marshall to Gardermoen

Baltimore (BWI) to Oslo (OSL) at a glance

Embark on an exciting journey from Baltimore (BWI) to Oslo (OSL) with a range of airlines offering international long-haul flights. Take the time to compare various options from full-service carriers to find the itinerary that aligns perfectly with your budget, schedule, and travel aspirations as you prepare to discover Oslo's renowned attractions and charming neighborhoods. Below, you'll find essential information for flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL).

  • Fastest flight duration: around 8h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 3,900 miles (6,280 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $230–$700, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL)

Based on the latest traveler bookings, here are the top airlines favored for flights from Baltimore to Oslo, typically featuring one-stop services. Popular layovers include Keflavik International Airport (KEF) with a layover of about 1 hour and 30 minutes, and Heathrow Airport (LHR) with approximately 2 hours and 15 minutes. These options allow you to balance price, total travel time, and cabin class to create the ideal itinerary for your journey.

  • Icelandair: This full-service airline provides convenient one-stop flights, with one-way ticket prices generally falling between $230 and $825. Icelandair handles about 83% of the departures for this route, featuring an in-flight duration of 8 hours and 45 minutes, leading to a total travel time of approximately 10 hours, including layover.
  • American Airlines: Offering one-stop service as a full-service carrier, American Airlines' one-way fares typically range from $335 to $385. They account for around 6% of the departures on this route, with a flight time of 8 hours and 45 minutes, resulting in a total journey time of about 10 hours, including layover.

Alternative routes from Baltimore (BWI) to Oslo (OSL)

  • Washington to Oslo (DCA-OSL): Ronald Reagan Washington National Airport (DCA) is located approximately 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI).
  • Baltimore to Sandefjord (BWI-TRF): Torp Airport (TRF) is roughly 76 miles away from Gardermoen Airport (OSL).

How to find the best prices for flights from Baltimore (BWI) to Oslo (OSL)

Getting some of the best deals on flights from Baltimore to Oslo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally found when booking at least two months in advance, which aligns with when most travelers make their reservations. Additionally, evening departures between 6 PM and midnight tend to offer lower prices and are among the most popular flight times, while flying on Friday often results in cheaper fares, despite Monday being the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Gardermoen Airport from Baltimore Washington International Thurgood Marshall Airport

Oslo welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Oslo city center is approximately a 45-minute drive (covering about 36 miles) from Gardermoen Airport, depending on traffic. Here's how to reach Oslo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Oslo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Gardermoen Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Gardermoen Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Gardermoen Airport, travelers will find convenient transport options nearby, with the Oslo Lufthavn Bus Stop (a bus station) located just 0.1 miles away on foot, while the Oslo Airport Station (a train station) is slightly further at about 0.2 miles away on foot.

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) cost?
You can find cheap one-way flights from $245 and cheap return flights from $519 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) with Expedia. One-way flights typically cost between $455 and $4411, and return flights often range between $582 and $2458. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
The cheapest month to fly from BWI to OSL is December 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
Enter BWI to OSL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
KLM is one of the cheapest airlines offering connecting flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to Gardermoen (OSL) with a layover in Atlanta (ATL), starting from around $1,391 for a round-trip ticket. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen), 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
The earliest flight from Baltimore Washington International Thurgood Marshall Airport (BWI) to Gardermoen Airport (OSL) usually departs at 5:00 AM, with American Airlines and British Airways operating this route. This service is seasonal, available in August, and an early departure can help you maximize your time in Oslo. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
The most popular departure times for flights from Baltimore, MD (BWI) to Oslo (OSL) are in the evening, from 6pm to 9pm. About 27% of passengers prefer this time window. Many major carriers, including Finnair, British Airways, and Delta Air Lines, offer flights during this window. This timing is favored because it allows you to maximize your time in Baltimore before heading to Oslo.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
Flying from BWI to OSL with a connection usually takes about 10 hours, 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
You can fly business class between BWI and OSL. Airlines that offer business class service on this route include:

  • British Airways
  • Icelandair
  • SAS
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) 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 Oslo from Baltimore Washington Intl. Thurgood Marshall (BWI)?
From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into Gardermoen (OSL) to reach Oslo. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), Detroit Metropolitan Wayne County (DTW) before reaching Oslo. 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) Viken 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Oslo (OSL-Gardermoen) 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
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Gardermoen
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$518
Distance
3849 mi

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 2026. You can also book with separate airlines for your outbound and return journeys, from $245 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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