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$274+ Cheap flights from Baltimore (BWI) to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — OSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Oslo are usually found in March or April, booked 49 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Baltimore to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$459
(oojo)

One-way from

$274
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$880
From Baltimore/Washington to Oslo
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One-way flight from Baltimore/Washington to Oslo
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Highest demand for flights based on searches. 18% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Baltimore to Oslo

Cheapest flights from Baltimore to Oslo
Explore the most affordable flight options available from Baltimore to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:30 pmBWI - OSL
1 stop10h 05mIcelandair
Tue 11/111:05 pmOSL - BWI
1 stop11h 25mIcelandair
Deal found 6/11$459
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:30 pmBWI - OSL
1 stop21h 05mAmerican Airlines
Tue 11/117:15 amOSL - BWI
1 stop17h 30mAmerican Airlines
Deal found 6/10$525
This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:30 pmBWI - OSL
2 stops29h 30mFinnair
Tue 11/118:50 pmOSL - BWI
2 stops27h 55mFinnair
Deal found 6/10$540
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:30 pmBWI - OSL
2 stops16h 20mDelta
Wed 11/196:20 amOSL - BWI
2 stops18h 54mDelta
Deal found 6/11$543
This SmartFares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:30 pmBWI - OSL
1 stop15h 00mBritish Airways
Mon 12/82:30 pmOSL - BWI
1 stop34h 15mBritish Airways
Deal found 6/10$546
This Billigflug deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:26 pmBWI - OSL
2 stops15h 59mMultiple Airlines
Wed 8/206:30 amOSL - BWI
2 stops17h 54mMultiple Airlines
Deal found 6/11$569
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:39 pmBWI - OSL
2 stops14h 16mScandinavian Airlines
Thu 8/289:55 amOSL - BWI
2 stops17h 50mScandinavian Airlines
Deal found 6/11$614
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:39 pmBWI - TRF
2 stops15h 41mScandinavian Airlines
Thu 8/282:55 pmTRF - BWI
2 stops36h 50mScandinavian Airlines
Deal found 6/10$660
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:00 pmBWI - OSL
2 stops13h 45mKLM
Sun 9/2111:50 amOSL - BWI
2 stops15h 53mKLM
Deal found 6/9$667
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:51 amBWI - OSL
2 stops17h 59mUnited Airlines
Sun 10/126:50 amOSL - BWI
3 stops20h 32mUnited Airlines
Deal found 6/10$874
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:10 amBWI - TRF
3 stops23h 25mMultiple Airlines
Mon 8/112:55 pmTRF - BWI
2 stops34h 30mMultiple Airlines
Deal found 6/12$1,087

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Baltimore to Oslo that are best for you.

Fly from

Baltimore

Fly to

Oslo

Route

Depart

Return

Price

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/6

7:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Tue 11/11

1:05 pm-6:30 pm

1 stop11h 25m

$459

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/6

8:30 pm-11:35 pm

1 stop21h 05m

Oslo Gardermoen

Tue 11/11

7:15 am-6:45 pm

1 stop17h 30m

$525

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 11/6

8:30 pm-8:00 am

2 stops29h 30m

Oslo Gardermoen

Tue 11/11

8:50 pm-6:45 pm

2 stops27h 55m

$540

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Wed 11/12

3:30 pm-1:50 pm

2 stops16h 20m

Oslo Gardermoen

Wed 11/19

6:20 am-7:14 pm

2 stops18h 54m

$543

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Fri 11/28

8:30 pm-5:30 pm

1 stop15h 00m

Oslo Gardermoen

Mon 12/8

2:30 pm-6:45 pm

1 stop34h 15m

$546

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Mon 8/4

5:26 pm-3:25 pm

2 stops15h 59m

Oslo Gardermoen

Wed 8/20

6:30 am-6:24 pm

2 stops17h 54m

$569

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Wed 8/20

4:39 pm-12:55 pm

2 stops14h 16m

Oslo Gardermoen

Thu 8/28

9:55 am-9:45 pm

2 stops17h 50m

$614

BaltimoreOslo

BWI - TRF

BWITRF

Baltimore/Washington

Wed 8/20

4:39 pm-2:20 pm

2 stops15h 41m

Oslo Sandefjord

Thu 8/28

2:55 pm-9:45 pm

2 stops36h 50m

$660

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Thu 9/18

1:00 pm-8:45 am

2 stops13h 45m

Oslo Gardermoen

Sun 9/21

11:50 am-9:43 pm

2 stops15h 53m

$667

BaltimoreOslo

BWI - OSL

BWIOSL

Baltimore/Washington

Tue 10/7

10:51 am-10:50 am

2 stops17h 59m

Oslo Gardermoen

Sun 10/12

6:50 am-9:22 pm

3 stops20h 32m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 results
1
2

Best time to book a flight from Baltimore to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Oslo

How far ahead should I book a flight from Baltimore to Oslo?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Oslo. Price data was last updated on June 9, 2025.

The price you pay for your flight from Baltimore to Oslo may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Baltimore to Oslo?

Currently, November is the cheapest month in which you can book a flight from Baltimore to Oslo (average of $567). Flying from Baltimore to Oslo in June is currently the most expensive (average of $1,004). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Oslo by month

Plan your trip to Oslo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

Plan your trip to Oslo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Baltimore to Oslo, such as Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Baltimore to Oslo?

    Most people fly from Baltimore/Washington (BWI) if they book a flight from Baltimore to Oslo. On average, Baltimore/Washington has 0 outbound flights to Oslo per day from 3 airlines. Baltimore/Washington is conveniently located just 8.5 mi from Baltimore’s city center.

  • What are the cheapest airlines flying from Baltimore to Oslo round-trip?

    Our cheapest airline available from Baltimore to Oslo is Icelandair. Our recent data shows that you can find tickets from as low as $459 on this airline. Additional options worth looking into are American Airlines and Finnair, starting at $525 and $540 round-trip. You may be able to fly from Baltimore to Oslo for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Baltimore to Oslo one-way?

    $274 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Delta and British Airways, with prices starting from $393 and $416, respectively.

  • Can I find deals for flights from Baltimore to Oslo that include hotel bookings?

    Yes. In addition to deals on Baltimore to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Oslo.

  • Can I find deals for business class flights from Baltimore to Oslo?

    Yes. Cheapflights offers flight deals from Baltimore to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Oslo?

    Currently, November is the cheapest month in which you can book a flight from Baltimore to Oslo (average of $567). Flying from Baltimore to Oslo in June is currently the most expensive (average of $1,004). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 3 airlines flying from Baltimore to Oslo

Discover the top 3 airlines that operate flights from Baltimore to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$393Average$623FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$519Average$779FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$578Average$775FlexibilityNo cancel feeOn-time77%

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