$275 Cheap Flights from Pittsburgh (PIT) to Oslo (OSL)

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Find available prices by choosing your travel dates.

Cheap Flights from Pittsburgh to Oslo (PIT-OSL)

Prices were available within the past 7 days and start at $275 for one-way flights and $560 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Scandinavian Airlines
Air Canada
British Airways
American Airlines
United
Delta
Swiss International Air Lines
Iberia
Lufthansa
Flights from Pittsburgh (PIT) to Oslo (OSL)
Origin airport
Pittsburgh Intl.
Destination airport
Gardermoen
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$560
Distance
3891 mi

Pittsburgh to Oslo Flights

The cheapest times to fly from Pittsburgh 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 Pittsburgh to Oslo are during the month of October. You can find some of the cheapest flights from Pittsburgh to Oslo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Pittsburgh to Oslo

Sunday is one of the best days to book for cheap flights from Pittsburgh 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 Pittsburgh 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 Pittsburgh to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $275 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 Pittsburgh 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 Pittsburgh 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from Pittsburgh Airport to Oslo Gardermoen Airport last minute?
Booking your journey from Pittsburgh Airport to Oslo Gardermoen Airport last minute could save you cash if you’re lucky enough to find a real steal. However, airfares usually don’t get cheaper closer to the departure date. If you procrastinate, flights could also be booked up or the best seats taken (we hope you like the middle seat!). If you don’t want to risk it, book well in advance of the date you want to leave. Remember that some of the most awesome deals can be found up to 12 months in advance. If your favorite airline hasn’t released its airfares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Oslo from Pittsburgh?
Gardermoen Airport (OSL), Oslo (RYG-Rygge) and Hamar (HMR-Stavsberg) are your options when jetting off from Pittsburgh to Oslo. Roughly 25 mi northeast of the heart of Oslo, Gardermoen Airport (OSL) is the city’s principal entry point. Think about things like flight departure and arrival times and the distance to your hotel before choosing an airport. Oslo Opera House and Karl Johan Gate are a couple of great attractions to put on your itinerary when you arrive.
Can I change the date of my flight from Pittsburgh Airport to Oslo Gardermoen Airport?
It’s easy to make changes to your Pittsburgh Airport to Oslo Gardermoen Airport journey yourself. Just log in to the Expedia Trips portal and tap “change flight.” Browse around for new flights and secure the one that better suits your plans. You’ll get an estimate of applicable flight change costs. You can also visit our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.