Flights from San Antonio to Mundelein

Cheapest flights from San Antonio

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.

Sat, Oct 4 - Sun, Oct 5

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$225 Roundtrip, found 3 days ago

$225

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Oct 4 from San Antonio Intl. to O'Hare Intl., returning Sun, Oct 5, priced at $225 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$234 Roundtrip, found 3 days ago

$234

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $234 found 3 days ago

Fri, Oct 3 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$254 Roundtrip, found 3 days ago

$254

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Oct 3 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $254 found 3 days ago

Tue, Oct 7 - Thu, Oct 16

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$259 Roundtrip, found 3 days ago

$259

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Oct 7 from San Antonio Intl. to O'Hare Intl., returning Thu, Oct 16, priced at $259 found 3 days ago

Tue, Oct 7 - Wed, Oct 8

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$264 Roundtrip, found 3 days ago

$264

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Oct 7 from San Antonio Intl. to O'Hare Intl., returning Wed, Oct 8, priced at $264 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$269 Roundtrip, found 3 days ago

$269

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $269 found 3 days ago

Fri, Oct 3 - Wed, Oct 15

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$279 Roundtrip, found 3 days ago

$279

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Oct 3 from San Antonio Intl. to O'Hare Intl., returning Wed, Oct 15, priced at $279 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$284 Roundtrip, found 3 days ago

$284

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $284 found 3 days ago

Tue, Oct 7 - Wed, Oct 15

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$289 Roundtrip, found 3 days ago

$289

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Oct 7 from San Antonio Intl. to O'Hare Intl., returning Wed, Oct 15, priced at $289 found 3 days ago

Wed, Oct 8 - Thu, Oct 16

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$299 Roundtrip, found 3 days ago

$299

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Oct 8 from San Antonio Intl. to O'Hare Intl., returning Thu, Oct 16, priced at $299 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$304 Roundtrip, found 3 days ago

$304

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $304 found 3 days ago

Fri, Oct 3 - Tue, Oct 14

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$309 Roundtrip, found 3 days ago

$309

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Oct 3 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $309 found 3 days ago

Tue, Oct 7 - Tue, Oct 14

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$319 Roundtrip, found 3 days ago

$319

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Oct 7 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 14, priced at $319 found 3 days ago

Wed, Oct 8 - Wed, Oct 15

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$329 Roundtrip, found 3 days ago

$329

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Oct 8 from San Antonio Intl. to O'Hare Intl., returning Wed, Oct 15, priced at $329 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$338 Roundtrip, found 3 days ago

$338

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $338 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$351 Roundtrip, found 3 days ago

$351

Roundtrip

found 3 days ago

Select United flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $351 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$353 Roundtrip, found 3 days ago

$353

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $353 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$365 Roundtrip, found 3 days ago

$365

Roundtrip

found 3 days ago

Select American Airlines flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $365 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$365 Roundtrip, found 3 days ago

$365

Roundtrip

found 3 days ago

Select United flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $365 found 3 days ago

Mon, Oct 6 - Tue, Oct 7

SAT

San Antonio Intl.

ORD

O'Hare Intl.

$385 Roundtrip, found 3 days ago

$385

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Oct 6 from San Antonio Intl. to O'Hare Intl., returning Tue, Oct 7, priced at $385 found 3 days ago