San Diego (SAN) to Chicago (ORD) flight deal in economy from $129

ASAlaska Airlines, Inc.

One Way•Economy

SAN

San Diego International Airport

San Diego, United States

ORD

O'Hare International Airport

Chicago, United States

$156 USD

-17%$129 USD

Verified about 5 hours ago

October 2026

Today

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28$21829$18830$1881$1392$1503$1294$1795$1396$1297$1298$1399$15010$12911$16912$13913$12914$12915$13916$15017$12918$16919$13920$12921$12922$13923$15024$12925$16926$13927$12928$12929$13930$15031$1291$169

Great Availability

60% of dates checked are available within 10% of the lowest price

Saturday, October 3rd, 2026

Outbound Flights

4h 18m·Nonstop

$129 USD

SANOct 3 12:35

→

ORDOct 3 18:53

AS 1504Boeing 737

4h 25m·Nonstop

$139 USD

SANOct 3 07:00

→

ORDOct 3 13:25

AS 1446Boeing 737

8h 13m·1 stop

$202 USD

SANOct 3 19:27

→

SEAOct 3 22:33

AS 1373Boeing 737

1h 8m layover

SEAOct 3 23:41

→

ORDOct 4 05:40

AS 285Boeing 737MAX 9 Passenger

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