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Cheap Flights from Ontario International Airport to St. John's

Search for flights from Ontario International Airport to St. John's and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT07:04
        26h 21m
        2 stops
        ANU12:25
        Ontario - St. John's|Tue, Jun 4|Frontier Airlines
        US$285US$526
        46% OFF
        46% OFF
        US$526US$285
      • ONT13:25
        19h 20m
        2 stops
        ANU11:45
        Ontario - St. John's|Sat, Jun 15|Delta Air Lines
        US$295US$526
        44% OFF
        44% OFF
        US$526US$295
      • ONT23:59
        32h 46m
        1 stop
        ANU11:45
        Ontario - St. John's|Wed, Jun 12|Jetblue Airways
        US$309US$526
        41% OFF
        41% OFF
        US$526US$309
      • ONT13:35
        21h 28m
        2 stops
        ANU14:03
        Ontario - St. John's|Sat, May 25|United Airlines
        US$324
        US$324
      • ONT00:59
        31h 46m
        2 stops
        ANU11:45
        Ontario - St. John's|Fri, Jun 21|Frontier Airlines
        US$325
        US$325
      • ONT23:40
        33h 24m
        1 stop
        ANU12:04
        Ontario - St. John's|Sun, Jun 2|Jetblue Airways
        US$350
        US$350
      • ONT11:59
        21h 26m
        2 stops
        ANU12:25
        Ontario - St. John's|Thu, Jun 6|Frontier Airlines
        US$373
        US$373
      • ONT08:55
        24h 30m
        2 stops
        ANU12:25
        Ontario - St. John's|Sun, Jun 2|Frontier Airlines
        US$378
        US$378
      • ONT23:40
        37h 35m
        2 stops
        ANU16:15
        Ontario - St. John's|Tue, Jun 4|Jetblue Airways
        US$386
        US$386
      • ONT18:25
        15h 34m
        2 stops
        ANU12:59
        Ontario - St. John's|Fri, Jun 14|United Airlines
        US$400
        US$400
      • ONT13:00
        3h 5m
        Direct
        ANU14:00
        Los Angeles - St. John's|Tue, May 28|Frontier Airlines
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Ontario International Airport to St. John's

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

Frontier Airlines
From US$285
Delta Air Lines
From US$295
Jetblue Airways
From US$309
United Airlines
From US$324
American Airlines
From US$484
Air Canada
From US$724
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to St. John's

Cheapest direct flight price

US$258

Cheapest month

January

Peak season for travel

November

FAQs for Ontario International Airport to St. John's Flights

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