Flights from Pittsburgh to Costa Mesa

Cheapest flights from Pittsburgh

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

Mon, Oct 27 - Mon, Nov 3

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Mon, Nov 3, priced at $258 found 1 day ago

Mon, Oct 27 - Fri, Nov 7

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$265 Roundtrip, found 1 day ago

$265

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Fri, Nov 7, priced at $265 found 1 day ago

Fri, Oct 31 - Fri, Nov 7

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$272 Roundtrip, found 1 day ago

$272

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Oct 31 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Fri, Nov 7, priced at $272 found 1 day ago

Wed, Oct 29 - Wed, Nov 5

PIT

Pittsburgh Intl.

LGB

Long Beach Municipal

$297 Roundtrip, found 1 day ago

$297

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Oct 29 from Pittsburgh Intl. to Long Beach Municipal, returning Wed, Nov 5, priced at $297 found 1 day ago

Wed, Oct 29 - Wed, Nov 5

PIT

Pittsburgh Intl.

SNA

John Wayne

$318 Roundtrip, found 1 day ago

$318

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Nov 5, priced at $318 found 1 day ago

Mon, Oct 20 - Mon, Oct 27

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$322 Roundtrip, found 6 days ago

$322

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Mon, Oct 27, priced at $322 found 6 days ago

Sun, Oct 19 - Thu, Oct 30

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$335 Roundtrip, found 6 days ago

$335

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Oct 19 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Thu, Oct 30, priced at $335 found 6 days ago

Sun, Oct 19 - Fri, Oct 24

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$342 Roundtrip, found 6 days ago

$342

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Oct 19 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Fri, Oct 24, priced at $342 found 6 days ago

Wed, Oct 29 - Wed, Oct 29

PIT

Pittsburgh Intl.

SNA

John Wayne

$352 Roundtrip, found 1 day ago

$352

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Oct 29, priced at $352 found 1 day ago

Wed, Oct 29 - Wed, Nov 5

PIT

Pittsburgh Intl.

SNA

John Wayne

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Nov 5, priced at $357 found 1 day ago

Mon, Oct 20 - Mon, Oct 27

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$364 Roundtrip, found 6 days ago

$364

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Oct 20 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Mon, Oct 27, priced at $364 found 6 days ago

Wed, Oct 29 - Wed, Nov 5

PIT

Pittsburgh Intl.

SNA

John Wayne

$367 Roundtrip, found 1 day ago

$367

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Nov 5, priced at $367 found 1 day ago

Mon, Oct 20 - Mon, Oct 27

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$373 Roundtrip, found 6 days ago

$373

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Oct 20 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Mon, Oct 27, priced at $373 found 6 days ago

Wed, Oct 29 - Wed, Oct 29

PIT

Pittsburgh Intl.

SNA

John Wayne

$375 Roundtrip, found 1 day ago

$375

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Oct 29, priced at $375 found 1 day ago

Wed, Oct 29 - Wed, Nov 5

PIT

Pittsburgh Intl.

SNA

John Wayne

$377 Roundtrip, found 1 day ago

$377

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Nov 5, priced at $377 found 1 day ago

Mon, Oct 20 - Mon, Oct 27

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$377 Roundtrip, found 6 days ago

$377

Roundtrip

found 6 days ago

Select United flight, departing Mon, Oct 20 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Mon, Oct 27, priced at $377 found 6 days ago

Wed, Oct 29 - Wed, Nov 5

PIT

Pittsburgh Intl.

SNA

John Wayne

$379 Roundtrip, found 1 day ago

$379

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 29 from Pittsburgh Intl. to John Wayne, returning Wed, Nov 5, priced at $379 found 1 day ago

Tue, Oct 21 - Fri, Oct 24

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$382 Roundtrip, found 6 days ago

$382

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Oct 21 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Fri, Oct 24, priced at $382 found 6 days ago

Tue, Oct 21 - Sun, Oct 26

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$419 Roundtrip, found 6 days ago

$419

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Sun, Oct 26, priced at $419 found 6 days ago

Sun, Oct 19 - Tue, Oct 28

PIT

Pittsburgh Intl.

ONT

Los Angeles - Ontario Intl.

$469 Roundtrip, found 6 days ago

$469

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Pittsburgh Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $469 found 6 days ago