Flights from Chicago to Adelanto

Cheapest flights from Chicago

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.

Tue, Aug 12 - Tue, Aug 19

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$304 Roundtrip, found 4 days ago

$304

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Aug 12 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Tue, Aug 19, priced at $304 found 4 days ago

Sat, Aug 9 - Tue, Aug 19

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$315 Roundtrip, found 4 days ago

$315

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Tue, Aug 19, priced at $315 found 4 days ago

Wed, Aug 13 - Tue, Aug 19

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$319 Roundtrip, found 4 days ago

$319

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Aug 13 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Tue, Aug 19, priced at $319 found 4 days ago

Fri, Jul 25 - Mon, Jul 28

MDW

Midway Intl.

ONT

Los Angeles - Ontario Intl.

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Midway Intl. to Los Angeles - Ontario Intl., returning Mon, Jul 28, priced at $326 found 1 day ago

Sat, Aug 9 - Thu, Aug 14

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$326 Roundtrip, found 4 days ago

$326

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Thu, Aug 14, priced at $326 found 4 days ago

Wed, Aug 13 - Mon, Aug 18

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$337 Roundtrip, found 4 days ago

$337

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Wed, Aug 13 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 18, priced at $337 found 4 days ago

Wed, Aug 13 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$361 Roundtrip, found 4 days ago

$361

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Aug 13 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $361 found 4 days ago

Sat, Jul 19 - Mon, Jul 28

MDW

Midway Intl.

ONT

Los Angeles - Ontario Intl.

$366 Roundtrip, found 1 day ago

$366

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Midway Intl. to Los Angeles - Ontario Intl., returning Mon, Jul 28, priced at $366 found 1 day ago

Fri, Jul 25 - Sun, Jul 27

MDW

Midway Intl.

ONT

Los Angeles - Ontario Intl.

$370 Roundtrip, found 1 day ago

$370

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Midway Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 27, priced at $370 found 1 day ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$373 Roundtrip, found 4 days ago

$373

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $373 found 4 days ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$384 Roundtrip, found 4 days ago

$384

Roundtrip

found 4 days ago

Select United flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $384 found 4 days ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$390 Roundtrip, found 4 days ago

$390

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $390 found 4 days ago

Sat, Jul 19 - Thu, Jul 24

MDW

Midway Intl.

ONT

Los Angeles - Ontario Intl.

$406 Roundtrip, found 1 day ago

$406

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Midway Intl. to Los Angeles - Ontario Intl., returning Thu, Jul 24, priced at $406 found 1 day ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$409 Roundtrip, found 4 days ago

$409

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $409 found 4 days ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$410 Roundtrip, found 4 days ago

$410

Roundtrip

found 4 days ago

Select United flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $410 found 4 days ago

Sat, Jul 19 - Sun, Jul 27

MDW

Midway Intl.

ONT

Los Angeles - Ontario Intl.

$410 Roundtrip, found 1 day ago

$410

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Midway Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 27, priced at $410 found 1 day ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$413 Roundtrip, found 4 days ago

$413

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $413 found 4 days ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$415 Roundtrip, found 4 days ago

$415

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $415 found 4 days ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$418 Roundtrip, found 4 days ago

$418

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $418 found 4 days ago

Sun, Aug 10 - Sun, Aug 17

ORD

O'Hare Intl.

ONT

Los Angeles - Ontario Intl.

$420 Roundtrip, found 4 days ago

$420

Roundtrip

found 4 days ago

Select United flight, departing Sun, Aug 10 from O'Hare Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 17, priced at $420 found 4 days ago