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Ontario International Airport to Pittsburgh flight
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Cheap Flights from Ontario International Airport to Pittsburgh

Search for flights from Ontario International Airport to Pittsburgh and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT00:59
        8h 42m
        1 stop
        PIT12:41
        Ontario - Pittsburgh|Tue, May 7|Frontier Airlines
        S$ 70S$ 184
        62% OFF
        62% OFF
        S$ 184S$ 70
      • ONT00:59
        8h 42m
        1 stop
        PIT12:41
        Ontario - Pittsburgh|Tue, May 14|Frontier Airlines
        S$ 85S$ 184
        54% OFF
        54% OFF
        S$ 184S$ 85
      • ONT00:59
        8h 42m
        1 stop
        PIT12:41
        Ontario - Pittsburgh|Tue, Apr 30|Frontier Airlines
        S$ 86S$ 184
        54% OFF
        54% OFF
        S$ 184S$ 86
      • ONT07:26
        26h 15m
        1 stop
        PIT12:41
        Ontario - Pittsburgh|Wed, Apr 24|Frontier Airlines
        S$ 97
        S$ 97
      • ONT07:26
        25h 55m
        1 stop
        PIT12:21
        Ontario - Pittsburgh|Wed, Apr 17|Frontier Airlines
        S$ 97
        S$ 97
      • ONT00:59
        8h 22m
        1 stop
        PIT12:21
        Ontario - Pittsburgh|Thu, Apr 18|Frontier Airlines
        S$ 98
        S$ 98
      • ONT07:26
        25h 10m
        1 stop
        PIT11:36
        Ontario - Pittsburgh|Sat, Apr 27|Frontier Airlines
        S$ 106
        S$ 106
      • ONT00:59
        7h 37m
        1 stop
        PIT11:36
        Ontario - Pittsburgh|Sun, Apr 28|Frontier Airlines
        S$ 112
        S$ 112
      • ONT14:11
        26h 49m
        2 stops
        PIT20:00
        Ontario - Pittsburgh|Wed, May 15|Frontier Airlines
        S$ 114
        S$ 114
      • ONT00:59
        16h 44m
        1 stop
        PIT20:43
        Ontario - Pittsburgh|Tue, Jun 4|Frontier Airlines
        S$ 126
        S$ 126
      • ONT13:00
        3h 5m
        Direct
        PIT14:00
        Los Angeles - Pittsburgh|Wed, Apr 24|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Ontario International Airport to Pittsburgh

See which airlines fly from Ontario International Airport to Pittsburgh. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From S$ 70
United Airlines
From S$ 200
Alaska Airlines
From S$ 230
Delta Air Lines
From S$ 262
American Airlines
From S$ 277
Southwest Airlines
From S$ 278
Jetblue Airways
From S$ 397
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to Pittsburgh

Cheapest return ticket price

S$ 134

Cheapest direct flight price

S$ 54

Cheapest month

April

Peak season for travel

July

FAQs for Ontario International Airport to Pittsburgh Flights

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