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$514+ Cheap flights from Pittsburgh (PIT) to Oslo

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — OSL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Pittsburgh to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) 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 October 30, 2025.

Round-trip from

$514
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$716
From Pittsburgh to Oslo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Pittsburgh to Oslo

Cheapest flights from Pittsburgh to Oslo
Explore the most affordable flight options available from Pittsburgh to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:10 pmPIT - OSL
2 stops15h 30mLufthansa
Mon 12/156:15 amOSL - PIT
2 stops23h 14mLufthansa
Deal found 10/30$514
This Delta deal was found by Cheapflights users on 10/29. 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 11/265:00 pmPIT - OSL
2 stops14h 25mDelta
Wed 12/36:30 amOSL - PIT
2 stops16h 30mDelta
Deal found 10/29$528
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:42 pmPIT - OSL
1 stop27h 23mMultiple Airlines
Wed 12/310:45 amOSL - PIT
2 stops29h 13mMultiple Airlines
Deal found 10/29$641
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 12/147:05 amPIT - OSL
2 stops19h 35mDelta
Sun 12/217:50 amOSL - PIT
2 stops22h 26mDelta
Deal found 10/30$779
This British Airways deal was found by Cheapflights users on 10/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:36 pmPIT - OSL
2 stops15h 19mBritish Airways
Mon 12/1511:35 amOSL - PIT
1 stop13h 45mBritish Airways
Deal found 10/30$916
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/265:55 pmPIT - TRF
2 stops19h 20mMultiple Airlines
Wed 12/312:15 pmTRF - PIT
3 stops41h 13mMultiple Airlines
Deal found 10/29$1,012
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:34 amPIT - OSL
2 stops24h 21mMultiple Airlines
Mon 12/1510:00 amOSL - PIT
3 stops30h 20mMultiple Airlines
Deal found 10/29$1,125
This Finnair deal was found by Cheapflights users on 10/29. 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.
Sat 12/136:43 pmPIT - OSL
2 stops19h 27mMultiple Airlines
Sat 12/206:25 amOSL - PIT
2 stops23h 32mMultiple Airlines
Deal found 10/29$1,208
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sun 12/145:55 pmPIT - OSL
3 stops31h 35mMultiple Airlines
Sun 12/217:50 amOSL - PIT
2 stops15h 24mMultiple Airlines
Deal found 10/30$1,259

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 October 30, 2025.
Use the filters below to find and compare flights from Pittsburgh to Oslo that are best for you.

Fly from

Pittsburgh

Fly to

Oslo

Route

Depart

Return

Price

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Mon 12/1

8:10 pm-5:40 pm

2 stops15h 30m

Oslo Gardermoen

Mon 12/15

6:15 am-11:29 pm

2 stops23h 14m

$514

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Wed 11/26

5:00 pm-1:25 pm

2 stops14h 25m

Oslo Gardermoen

Wed 12/3

6:30 am-5:00 pm

2 stops16h 30m

$528

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Wed 11/26

10:42 pm-8:05 am

1 stop27h 23m

Oslo Gardermoen

Wed 12/3

10:45 am-9:58 am

2 stops29h 13m

$641

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Sun 12/14

7:05 am-8:40 am

2 stops19h 35m

Oslo Gardermoen

Sun 12/21

7:50 am-12:16 am

2 stops22h 26m

$779

PittsburghOslo

PIT - TRF

PITTRF

Pittsburgh

Fri 3/27

7:20 am-1:55 pm

2 stops25h 35m

Oslo Sandefjord

Tue 3/31

6:00 am-11:13 pm

2 stops23h 13m

$856

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Mon 12/1

1:36 pm-10:55 am

2 stops15h 19m

Oslo Gardermoen

Mon 12/15

11:35 am-7:20 pm

1 stop13h 45m

$916

PittsburghOslo

PIT - TRF

PITTRF

Pittsburgh

Wed 11/26

5:55 pm-7:15 pm

2 stops19h 20m

Oslo Sandefjord

Wed 12/3

12:15 pm-11:28 pm

3 stops41h 13m

$1,012

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Mon 12/1

11:34 am-5:55 pm

2 stops24h 21m

Oslo Gardermoen

Mon 12/15

10:00 am-10:20 am

3 stops30h 20m

$1,125

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Sat 12/13

6:43 pm-8:10 pm

2 stops19h 27m

Oslo Gardermoen

Sat 12/20

6:25 am-11:57 pm

2 stops23h 32m

$1,208

PittsburghOslo

PIT - OSL

PITOSL

Pittsburgh

Sun 12/14

5:55 pm-7:30 am

3 stops31h 35m

Oslo Gardermoen

Sun 12/21

7:50 am-5:14 pm

2 stops15h 24m

$1,259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 12 results
1
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Best time to book a flight from Pittsburgh to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Pittsburgh 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 Pittsburgh to Oslo

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

Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Oslo (average of $417). Flying from Pittsburgh to Oslo in June is currently the most expensive (average of $819). 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.

What is the cheapest time of day to fly from PIT to OSL?

Find hourly flight availability from Pittsburgh to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Pittsburgh to Oslo, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 57% versus a flight in the evening.

How much does it cost to fly round-trip from Pittsburgh to Oslo?

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 October 30, 2025.
Peruse reviews from past customers who have flown with KLM, Scandinavian Airlines, and United Airlines from Pittsburgh to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Scandinavian Airlines
7.4
Good
1,548 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,998 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
562 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,487 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh 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 Pittsburgh to Oslo?

    If you book a flight to Oslo from Pittsburgh, you will be flying from Pittsburgh, which is the city’s only airport. Pittsburgh (PIT) is located 13.5 mi from the center of Pittsburgh. There are 0 flights from Pittsburgh to Oslo per day from 5 different airlines.

  • How long is the flight from Pittsburgh to Oslo?

    Departing from Pittsburgh to Oslo will take you 14h 25m. Pittsburgh and Oslo are separated by a distance of 3888 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Icelandair is currently your cheapest option to Oslo, with prices starting at $478. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and British Airways, with the lowest prices starting at $522 and $641, respectively. Icelandair is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pittsburgh 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 Pittsburgh to Oslo?

    Currently, August is the cheapest month in which you can book a flight from Pittsburgh to Oslo (average of $417). Flying from Pittsburgh to Oslo in June is currently the most expensive (average of $819). 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.

See more FAQs

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Alternative routes for Pittsburgh to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Pittsburgh to Oslo

Discover the top 5 airlines that operate flights from Pittsburgh 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$478Average$909FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$522Average$934FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$641Average$842FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$674Average$955FlexibilityNo cancel feeOn-time69%
KLMCheapest$857Average$1,193FlexibilityNo cancel feeOn-time75%

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