Cheap flights from Seattle to South Suburbs

View AU$138 flight on Sat, 30 Aug. 2025Opens in a new window

Popular airlines from Seattle to South Suburbs

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • Hawaiian Airlines

    Hawaiian Airlines

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Cheap Flights from Seattle (SEA) to South Suburbs (CHI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 27 Aug. - Sun, 31 Aug.
SEA
Seattle
ORD
Chicago
AU$282 Return, found 6 days ago
AU$282
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from Seattle to Chicago, returning Sun, 31 Aug., priced at AU$282 found 6 days ago
American Airlines
Sat, 25 Oct. - Fri, 31 Oct.
SEA
Seattle
ORD
Chicago
AU$283 Return, found 5 days ago
AU$283
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Oct. from Seattle to Chicago, returning Fri, 31 Oct., priced at AU$283 found 5 days ago
Delta
Sat, 25 Oct. - Fri, 31 Oct.
SEA
Seattle
ORD
Chicago
AU$283 Return, found 5 days ago
AU$283
Return
found 5 days ago
Select Delta flight, departing Sat, 25 Oct. from Seattle to Chicago, returning Fri, 31 Oct., priced at AU$283 found 5 days ago
Alaska Airlines
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
ORD
Chicago
AU$285 Return, found 2 days ago
AU$285
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 30 Aug. from Seattle to Chicago, returning Sat, 6 Sep., priced at AU$285 found 2 days ago
Hawaiian Airlines
Wed, 3 Sep. - Sun, 7 Sep.
SEA
Seattle
ORD
Chicago
AU$312 Return, found 16 hours ago
AU$312
Return
found 16 hours ago
Select Hawaiian Airlines flight, departing Wed, 3 Sep. from Seattle to Chicago, returning Sun, 7 Sep., priced at AU$312 found 16 hours ago
United
Sat, 25 Oct. - Fri, 31 Oct.
SEA
Seattle
ORD
Chicago
AU$353 Return, found 5 days ago
AU$353
Return
found 5 days ago
Select United flight, departing Sat, 25 Oct. from Seattle to Chicago, returning Fri, 31 Oct., priced at AU$353 found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to Chicago (ORD)

November is typically the cheapest month to fly

From AU$148 - AU$534 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.