How does KAYAK find such low prices on flights from Pennsylvania to Oslo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Oslo.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Oslo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to Oslo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Oslo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$314 CHEAP FLIGHTS from Pennsylvania to Oslo (OSL)

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Flight Deals

Cheap Flights from Pennsylvania to Oslo Gardermoen

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Pennsylvania to Oslo Gardermoen

Wed, Jan 13 - Fri, Jan 22

2:05 pm - 2:35 pmPIT Pittsburgh-OSL Oslo Gardermoen

18h 30m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

9:40 am - 9:26 pmOSL Oslo Gardermoen-PIT Pittsburgh

17h 46m2 stops Zurich New York John F Kennedy Intl

$604Delta

Mon, Nov 9 - Mon, Nov 16

2:50 pm - 4:10 pmPIT Pittsburgh-OSL Oslo Gardermoen

19h 20m2 stops Boston Logan Intl Paris Charles de Gaulle

8:45 am - 12:46 amOSL Oslo Gardermoen-PIT Pittsburgh

22h 01m2 stops Brussels Bruxelles-National Atlanta Hartsfield-Jackson

$609Delta

Mon, Nov 9 - Sun, Nov 15

5:08 pm - 4:10 pmPIT Pittsburgh-OSL Oslo Gardermoen

17h 02m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

8:00 am - 10:23 pmOSL Oslo Gardermoen-PIT Pittsburgh

20h 23m2 stops Brussels Bruxelles-National Atlanta Hartsfield-Jackson

$609Delta

Wed, Apr 7 - Mon, Apr 12

6:45 pm - 7:15 pmPHL Philadelphia-OSL Oslo Gardermoen

18h 30m1 stop London Heathrow

5:05 pm - 4:40 pmOSL Oslo Gardermoen-PHL Philadelphia

29h 35m1 stop London Heathrow

$725British Airways

Wed, Apr 7 - Mon, Apr 12

6:44 pm - 7:15 pmPHL Philadelphia-OSL Oslo Gardermoen

18h 31m2 stops Atlanta Hartsfield-Jackson London Heathrow

5:05 pm - 4:40 pmOSL Oslo Gardermoen-PHL Philadelphia

29h 35m1 stop London Heathrow

$729British Airways

Tue, Nov 10 - Tue, Nov 17

5:40 pm - 1:05 pmPHL Philadelphia-OSL Oslo Gardermoen

13h 25m1 stop Frankfurt am Main

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$734Lufthansa

Tue, Jan 5 - Tue, Jan 12

4:45 pm - 2:10 pmPHL Philadelphia-OSL Oslo Gardermoen

15h 25m2 stops Boston Logan Intl London Heathrow

11:50 am - 3:10 pmOSL Oslo Gardermoen-PHL Philadelphia

33h 20m2 stops London Heathrow Barcelona-El Prat

$738British Airways

Tue, Nov 10 - Tue, Nov 17

4:59 pm - 5:40 pmPHL Philadelphia-OSL Oslo Gardermoen

18h 41m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$739United Airlines

Tue, Jan 5 - Tue, Jan 12

5:40 pm - 3:45 pmPHL Philadelphia-OSL Oslo Gardermoen

16h 05m1 stop Frankfurt am Main

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$743Lufthansa

Tue, Jan 5 - Tue, Jan 12

10:25 am - 5:40 pmPHL Philadelphia-OSL Oslo Gardermoen

25h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$744United Airlines

Recent last minute flight deals from Pennsylvania to Oslo Gardermoen

Sun, Oct 18 - Tue, Nov 3

10:05 am - 5:55 pmPHL Philadelphia-OSL Oslo Gardermoen

25h 50m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

6:45 am - 2:39 pmOSL Oslo Gardermoen-PHL Philadelphia

13h 54m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$716Multiple Airlines

Sun, Oct 18 - Tue, Nov 3

3:25 pm - 2:50 pmPHL Philadelphia-OSL Oslo Gardermoen

17h 25m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

6:15 am - 10:56 pmOSL Oslo Gardermoen-PHL Philadelphia

22h 41m2 stops Frankfurt am Main Toronto Pearson Intl

$722Air Canada

Sun, Oct 18 - Tue, Nov 3

5:40 pm - 3:35 pmPHL Philadelphia-OSL Oslo Gardermoen

15h 55m1 stop Frankfurt am Main

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$725Lufthansa

Sun, Oct 18 - Tue, Nov 3

3:25 pm - 12:20 pmPHL Philadelphia-OSL Oslo Gardermoen

38h 55m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$732Multiple Airlines

Sun, Oct 18 - Tue, Nov 3

3:25 pm - 2:50 pmPHL Philadelphia-OSL Oslo Gardermoen

17h 25m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

6:15 am - 4:05 pmOSL Oslo Gardermoen-PHL Philadelphia

15h 50m1 stop Frankfurt am Main

$737Multiple Airlines

Sun, Oct 18 - Tue, Nov 3

10:10 pm - 11:40 pmPHL Philadelphia-OSL Oslo Gardermoen

19h 30m1 stop London Heathrow

7:20 am - 1:40 pmOSL Oslo Gardermoen-PHL Philadelphia

12h 20m1 stop London Heathrow

$739American Airlines

Sun, Oct 18 - Tue, Nov 3

3:25 pm - 5:10 pmPHL Philadelphia-OSL Oslo Gardermoen

19h 45m3 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss Stockholm Arlanda

1:10 pm - 7:21 amOSL Oslo Gardermoen-PHL Philadelphia

24h 11m3 stops Reykjavik Keflavik Intl Chicago O'Hare Intl Atlanta Hartsfield-Jackson

$1,155Multiple Airlines

Sun, Oct 18 - Tue, Nov 3

10:05 am - 5:55 pmPHL Philadelphia-OSL Oslo Gardermoen

25h 50m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

8:30 am - 9:30 amOSL Oslo Gardermoen-PHL Philadelphia

31h 00m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Orlando

$1,164Multiple Airlines

Sun, Oct 18 - Tue, Nov 3

2:09 pm - 12:00 pmPHL Philadelphia-OSL Oslo Gardermoen

15h 51m2 stops Boston Logan Intl Lisbon Humberto Delgado

7:05 pm - 9:11 pmOSL Oslo Gardermoen-PHL Philadelphia

32h 06m3 stops Kastrup Copenhagen Lisbon Humberto Delgado Boston Logan Intl

$1,778TAP AIR PORTUGAL

Sun, Oct 18 - Tue, Nov 3

10:01 pm - 11:25 pmPHL Philadelphia-OSL Oslo Gardermoen

43h 24m3 stops Boston Logan Intl Hong Kong Intl London Heathrow

11:50 am - 12:17 amOSL Oslo Gardermoen-PHL Philadelphia

42h 27m3 stops London Heathrow Hong Kong Intl Dallas/Fort Worth

$14,033Multiple Airlines

Useful Info

Low season	November
High season	July
Cheapest flight	$314

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 23% increase in price.

Flight from Philadelphia to Oslo Airport

How does KAYAK find such low prices on flights from Pennsylvania to Oslo?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Oslo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Oslo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to Oslo?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Oslo?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.