Cheap flights from Illinois to Seattle
Travel > North America > United States > Illinois to Seattle flights
Named after the Native American Chief Sealth, Seattle has a magnificent setting for a city with Lake Washington behind, the snowy peak of Mount Rainier in the distance and the shore of Elliott Bay at its feet.... (read more in our Seattle Travel Guide)
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Cheapest flights found for the next 6 months
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Check our newest flight offers to Seattle:
- $157
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Seattle, WA (SEA) 02/13/2025 06:40 am Seattle, WA (SEA) Chicago, IL (MDW) 02/23/2025 11:38 am - $158 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Seattle, WA (SEA) 02/13/2025 06:50 am Seattle, WA (SEA) Chicago, IL (ORD) 02/23/2025 11:38 am - $200
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (MDW) Seattle, WA (SEA) 02/13/2025 06:40 am Seattle, WA (SEA) Chicago, IL (MDW) 02/23/2025 05:38 pm - $201 Multiple Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Seattle, WA (SEA) 02/13/2025 06:50 am Seattle, WA (SEA) Chicago, IL (ORD) 02/23/2025 05:38 pm - $205
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Chicago, IL (ORD) Seattle, WA (SEA) 01/29/2025 01:39 pm Seattle, WA (SEA) Chicago, IL (ORD) 02/09/2025 05:55 pm
Recently found cheap flight deals
San Francisco To Venice Lufthansa airfares from San Francisco in December
$887 Depart: 12/25/2024
Return: 01/08/2025
provided by Cheapoair.com
Seattle To Kansas City Multiple Airlines airfares from Seattle in December
$288 Depart: 12/29/2024
Return: 02/03/2025
provided by Cheapoair.com
Little Rock To Orange County Alaska Airlines airfares from Little Rock in August
$781 Depart: 08/09/2024
Return: 08/15/2024
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Calgary To Hamilton Multiple Airlines airfares from Calgary in December
$549 Depart: 12/30/2024
Return: 01/05/2025
provided by Cheapoair.com
Portland, Maine To Charlotte Frontier Airlines airfares from Portland, Maine in March
$219 Depart: 03/27/2024
Return: 04/02/2024
provided by Cheapoair.com
Washington DC To Ontario Frontier Airlines airfares from Washington DC in March
$748 Depart: 03/19/2025
Return: 04/02/2025
provided by Cheapoair.com
Rochester To Albuquerque Southwest Airlines airfares from Rochester in March
$576 Depart: 03/06/2019
Return: 03/19/2019
provided by Flightnetwork
Baltimore To Antigua Westjet airfares from Baltimore in January
$3257 Depart: 01/10/2025
Return: 01/22/2025
provided by Cheapoair.com
Vancouver To Zurich British Airways airfares from Vancouver in February
$861 Depart: 02/11/2025
Return: 02/19/2025
provided by Cheapoair.com
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