Cheap Flights from Tustin from ฿2,540

View ฿2,540 flight on Fri, 27 Feb 2026Opens in a new window

Popular airlines from Tustin

  • United

    United

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Spirit Airlines

    Spirit Airlines

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Cheapest flights from Tustin

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 10 Mar - Mon, 23 Mar
ONT
Ontario
SEA
Seattle
฿3,170 Return, found 4 hours ago
฿3,170
Return
found 4 hours ago
Select Delta flight, departing Tue, 10 Mar from Ontario to Seattle, returning Mon, 23 Mar, priced at ฿3,170 found 4 hours ago
Delta
Thu, 12 Mar - Mon, 16 Mar
ONT
Ontario
SEA
Seattle
฿3,810 Return, found 1 day ago
฿3,810
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Mar from Ontario to Seattle, returning Mon, 16 Mar, priced at ฿3,810 found 1 day ago
Delta
Fri, 27 Feb - Wed, 4 Mar
ONT
Ontario
SEA
Seattle
฿4,125 Return, found 2 days ago
฿4,125
Return
found 2 days ago
Select Delta flight, departing Fri, 27 Feb from Ontario to Seattle, returning Wed, 4 Mar, priced at ฿4,125 found 2 days ago
Delta
Fri, 27 Feb - Wed, 4 Mar
ONT
Ontario
SEA
Seattle
฿4,440 Return, found 2 days ago
฿4,440
Return
found 2 days ago
Select Delta flight, departing Fri, 27 Feb from Ontario to Seattle, returning Wed, 4 Mar, priced at ฿4,440 found 2 days ago
Delta
Tue, 10 Mar - Fri, 13 Mar
ONT
Ontario
SEA
Seattle
฿4,445 Return, found 4 hours ago
฿4,445
Return
found 4 hours ago
Select Delta flight, departing Tue, 10 Mar from Ontario to Seattle, returning Fri, 13 Mar, priced at ฿4,445 found 4 hours ago
Delta
Thu, 12 Mar - Fri, 20 Mar
ONT
Ontario
SEA
Seattle
฿5,075 Return, found 1 day ago
฿5,075
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Mar from Ontario to Seattle, returning Fri, 20 Mar, priced at ฿5,075 found 1 day ago
Delta
Fri, 27 Feb - Wed, 4 Mar
ONT
Ontario
SEA
Seattle
฿5,390 Return, found 2 days ago
฿5,390
Return
found 2 days ago
Select Delta flight, departing Fri, 27 Feb from Ontario to Seattle, returning Wed, 4 Mar, priced at ฿5,390 found 2 days ago
United
Fri, 27 Feb - Wed, 4 Mar
ONT
Ontario
SEA
Seattle
฿7,405 Return, found 2 days ago
฿7,405
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Ontario to Seattle, returning Wed, 4 Mar, priced at ฿7,405 found 2 days ago
Alaska Airlines
Sun, 22 Feb - Sat, 7 Mar
ONT
Ontario
SEA
Seattle
฿8,060 Return, found 4 hours ago
฿8,060
Return
found 4 hours ago
Select Alaska Airlines flight, departing Sun, 22 Feb from Ontario to Seattle, returning Sat, 7 Mar, priced at ฿8,060 found 4 hours ago
American Airlines
Fri, 27 Feb - Wed, 4 Mar
ONT
Ontario
SEA
Seattle
฿9,640 Return, found 2 days ago
฿9,640
Return
found 2 days ago
Select American Airlines flight, departing Fri, 27 Feb from Ontario to Seattle, returning Wed, 4 Mar, priced at ฿9,640 found 2 days ago

Travel information

Flights from Tustin: Essential Travel Information

Cheapest flight from Tustin
฿3,170 (roundtrip)
Best airlines to fly from Tustin
Delta, United, American Airlines, Alaska Airlines
Cheapest month to fly from Tustin
March
Tustin IATA code
QLA
Tustin Country/State
California
Airline ticket deals from Tustin
฿3,170 - ฿9,640

 

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