Cheap flights from Chicago to Centralia - Chehalis

View AU$81 flight on Thu, 7 Aug. 2025Opens in a new window

Popular airlines from Chicago to Centralia - Chehalis

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Chicago (CHI) to Centralia - Chehalis (SEA)

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
Thu, 7 Aug. - Mon, 11 Aug.
ORD
Chicago
SEA
Seattle
AU$161 Return, found 12 hours ago
AU$161
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 7 Aug. from Chicago to Seattle, returning Mon, 11 Aug., priced at AU$161 found 12 hours ago
United
Thu, 7 Aug. - Mon, 11 Aug.
ORD
Chicago
SEA
Seattle
AU$230 Return, found 12 hours ago
AU$230
Return
found 12 hours ago
Select United flight, departing Thu, 7 Aug. from Chicago to Seattle, returning Mon, 11 Aug., priced at AU$230 found 12 hours ago
Delta
Fri, 22 Aug. - Fri, 29 Aug.
ORD
Chicago
PDX
Portland
AU$238 Return, found 1 hour ago
AU$238
Return
found 1 hour ago
Select Delta flight, departing Fri, 22 Aug. from Chicago to Portland, returning Fri, 29 Aug., priced at AU$238 found 1 hour ago
Alaska Airlines
Fri, 22 Aug. - Fri, 29 Aug.
ORD
Chicago
PDX
Portland
AU$259 Return, found 1 hour ago
AU$259
Return
found 1 hour ago
Select Alaska Airlines flight, departing Fri, 22 Aug. from Chicago to Portland, returning Fri, 29 Aug., priced at AU$259 found 1 hour ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
ORD
Chicago
SEA
Seattle
AU$282 Return, found 2 days ago
AU$282
Return
found 2 days ago
Select American Airlines flight, departing Sat, 23 Aug. from Chicago to Seattle, returning Sat, 30 Aug., priced at AU$282 found 2 days ago
Spirit Airlines
Mon, 8 Sep. - Wed, 10 Sep.
ORD
Chicago
PDX
Portland
AU$314 Return, found 5 days ago
AU$314
Return
found 5 days ago
Select Spirit Airlines flight, departing Mon, 8 Sep. from Chicago to Portland, returning Wed, 10 Sep., priced at AU$314 found 5 days ago

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

September is typically the cheapest month to fly

From AU$148 - AU$340 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.