Cheap Flights from Costa Mesa from ฿2,515

View ฿2,515 flight on Wed, 21 Jan 2026Opens in a new window

Popular airlines from Costa Mesa

  • United

    United

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Spirit Airlines

    Spirit Airlines

  • Frontier Airlines

    Frontier Airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Costa Mesa

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
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿3,145 Return, found 3 days ago
฿3,145
Return
found 3 days ago
Select Delta flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿3,145 found 3 days ago
Delta
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿3,455 Return, found 3 days ago
฿3,455
Return
found 3 days ago
Select Delta flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿3,455 found 3 days ago
Delta
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿3,765 Return, found 3 days ago
฿3,765
Return
found 3 days ago
Select Delta flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿3,765 found 3 days ago
Delta
Thu, 12 Feb - Sat, 28 Feb
ONT
Ontario
SEA
Seattle
฿3,775 Return, found 4 hours ago
฿3,775
Return
found 4 hours ago
Select Delta flight, departing Thu, 12 Feb from Ontario to Seattle, returning Sat, 28 Feb, priced at ฿3,775 found 4 hours ago
Delta
Fri, 27 Feb - Sun, 1 Mar
SNA
Orange County
SFO
San Francisco
฿5,910 Return, found 4 days ago
฿5,910
Return
found 4 days ago
Select Delta flight, departing Fri, 27 Feb from Orange County to San Francisco, returning Sun, 1 Mar, priced at ฿5,910 found 4 days ago
United
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿6,115 Return, found 3 days ago
฿6,115
Return
found 3 days ago
Select United flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿6,115 found 3 days ago
Delta
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿6,140 Return, found 3 days ago
฿6,140
Return
found 3 days ago
Select Delta flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿6,140 found 3 days ago
Delta
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿6,425 Return, found 3 days ago
฿6,425
Return
found 3 days ago
Select Delta flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿6,425 found 3 days ago
Delta
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿6,450 Return, found 3 days ago
฿6,450
Return
found 3 days ago
Select Delta flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿6,450 found 3 days ago
American Airlines
Wed, 21 Jan - Tue, 27 Jan
SNA
Orange County
SEA
Seattle
฿7,240 Return, found 3 days ago
฿7,240
Return
found 3 days ago
Select American Airlines flight, departing Wed, 21 Jan from Orange County to Seattle, returning Tue, 27 Jan, priced at ฿7,240 found 3 days ago

Travel information

Flights from Costa Mesa: Essential Travel Information

Cheapest flight from Costa Mesa
฿3,145 (roundtrip)
Best airlines to fly from Costa Mesa
Delta, United, American Airlines, avianca
Cheapest month to fly from Costa Mesa
January
Costa Mesa IATA code
QLA
Costa Mesa Country/State
California
Airline ticket deals from Costa Mesa
฿3,145 - ฿12,705

 

*Available to Expedia members.