Popular airlines from Chicago to Great Diamond Island
PeachPeach
Skymark AirlinesSkymark Airlines
All Nippon AirwaysAll Nippon Airways
Japan AirlinesJapan Airlines
Jetstar JapanJetstar Japan
Solaseed AirSolaseed Air
STARFLYERSTARFLYER
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Cheap Flights from Chicago to Great Diamond Island (CHI-PWM)
Prices were available within the past 7 days and start at ￥18,150 for one-way flights and ￥37,450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
PWM
Portland
￥37,450 Roundtrip, found 2 days ago
￥37,450
Roundtrip
found 2 days ago
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
PWM
Portland
￥38,860 Roundtrip, found 2 days ago
￥38,860
Roundtrip
found 2 days ago
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
PWM
Portland
￥40,270 Roundtrip, found 2 days ago
￥40,270
Roundtrip
found 2 days ago
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
PWM
Portland
￥40,670 Roundtrip, found 2 days ago
￥40,670
Roundtrip
found 2 days ago
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
PWM
Portland
￥42,610 Roundtrip, found 2 days ago
￥42,610
Roundtrip
found 2 days ago
Sun, Sep 7 - Mon, Sep 15
ORD
Chicago
PWM
Portland
￥58,330 Roundtrip, found 2 days ago
￥58,330
Roundtrip
found 2 days ago
Find the cheapest month to fly from Chicago (CHI) to Portland (PWM)
September is typically the cheapest month to fly
From ￥15,054 - ￥44,779 per traveler.
Graph displaying average flight prices per month
Top Routes to Great Diamond Island
Expedia's Latest Trends
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