Cheap flights from Chicago to Sucia Island

View AU$139 flight on Fri, 31 Oct. 2025Opens in a new window

Popular airlines from Chicago to Sucia Island

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • United

    United

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Cheap Flights from Chicago (CHI) to Sucia Island (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
Sat, 23 Aug. - Sat, 30 Aug.
ORD
Chicago
SEA
Seattle
AU$282 Return, found 6 days ago
AU$282
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Chicago to Seattle, returning Sat, 30 Aug., priced at AU$282 found 6 days ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
ORD
Chicago
SEA
Seattle
AU$283 Return, found 6 days ago
AU$283
Return
found 6 days ago
Select American Airlines flight, departing Sat, 23 Aug. from Chicago to Seattle, returning Sat, 30 Aug., priced at AU$283 found 6 days ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
ORD
Chicago
SEA
Seattle
AU$283 Return, found 6 days ago
AU$283
Return
found 6 days ago
Select Delta flight, departing Sat, 23 Aug. from Chicago to Seattle, returning Sat, 30 Aug., priced at AU$283 found 6 days ago
Alaska Airlines
Fri, 31 Oct. - Sat, 8 Nov.
ORD
Chicago
SEA
Seattle
AU$285 Return, found 3 days ago
AU$285
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 31 Oct. from Chicago to Seattle, returning Sat, 8 Nov., priced at AU$285 found 3 days ago
American Airlines
Fri, 31 Oct. - Sat, 8 Nov.
ORD
Chicago
SEA
Seattle
AU$286 Return, found 3 days ago
AU$286
Return
found 3 days ago
Select American Airlines flight, departing Fri, 31 Oct. from Chicago to Seattle, returning Sat, 8 Nov., priced at AU$286 found 3 days ago
United
Fri, 31 Oct. - Sat, 8 Nov.
ORD
Chicago
SEA
Seattle
AU$424 Return, found 3 days ago
AU$424
Return
found 3 days ago
Select United flight, departing Fri, 31 Oct. from Chicago to Seattle, returning Sat, 8 Nov., priced at AU$424 found 3 days ago

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

September is typically the cheapest month to fly

From AU$150 - AU$333 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.