Flights from Seattle to Chicago

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 6 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$189 Roundtrip, found 2 days ago

$189

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Aug 6 from Seattle - Tacoma Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $189 found 2 days ago

Wed, Aug 6 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$219 Roundtrip, found 2 days ago

$219

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Wed, Aug 6 from Seattle - Tacoma Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $219 found 2 days ago

Tue, Aug 5 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$219 Roundtrip, found 2 days ago

$219

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $219 found 2 days ago

Thu, Aug 7 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$229 Roundtrip, found 2 days ago

$229

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Aug 7 from Seattle - Tacoma Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $229 found 2 days ago

Sun, Aug 10 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Sun, Aug 10 from Seattle - Tacoma Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $237 found 2 days ago

Tue, Aug 5 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$249 Roundtrip, found 2 days ago

$249

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $249 found 2 days ago

Tue, Aug 5 - Fri, Aug 8

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$249 Roundtrip, found 2 days ago

$249

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to O'Hare Intl., returning Fri, Aug 8, priced at $249 found 2 days ago

Thu, Aug 7 - Wed, Aug 13

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$253 Roundtrip, found 2 days ago

$253

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 7 from Seattle - Tacoma Intl. to O'Hare Intl., returning Wed, Aug 13, priced at $253 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $257 found 2 days ago

Mon, Aug 11 - Wed, Aug 13

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$264 Roundtrip, found 2 days ago

$264

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Mon, Aug 11 from Seattle - Tacoma Intl. to O'Hare Intl., returning Wed, Aug 13, priced at $264 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$275 Roundtrip, found 2 days ago

$275

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $275 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$280 Roundtrip, found 2 days ago

$280

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $280 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$283 Roundtrip, found 2 days ago

$283

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $283 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$286 Roundtrip, found 2 days ago

$286

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $286 found 2 days ago

Fri, Aug 8 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$294 Roundtrip, found 2 days ago

$294

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $294 found 2 days ago

Mon, Aug 11 - Thu, Aug 14

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$294 Roundtrip, found 2 days ago

$294

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Aug 11 from Seattle - Tacoma Intl. to O'Hare Intl., returning Thu, Aug 14, priced at $294 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$296 Roundtrip, found 2 days ago

$296

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $296 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$303 Roundtrip, found 2 days ago

$303

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $303 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

PAE

Seattle Paine Field Intl. Airport

ORD

O'Hare Intl.

$320 Roundtrip, found 2 days ago

$320

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Seattle Paine Field Intl. Airport to O'Hare Intl., returning Mon, Aug 11, priced at $320 found 2 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

ORD

O'Hare Intl.

$413 Roundtrip, found 2 days ago

$413

Roundtrip

found 2 days ago

Select Sun Country Airlines flight, departing Fri, Aug 8 from Seattle - Tacoma Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $413 found 2 days ago