Cheap Flight Tickets from Chicago (CHI) to Seattle (SEA), Starting at $131

Good to Know: Cheapest and Fastest CHI - SEA Flights

Useful information for finding best airline tickets from Chicago All Airport to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$398

F9 Frontier Airlines • 2 stops • 23h 44m

Oct 31 – Nov 03

The cheapest round trip flight from Chicago to Seattle (CHI-SEA-CHI) is currently $398

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Cheapest One way Flight

$131

AS Alaska Airlines • nonstop • 7h 24m

Oct 09

The cheapest one way flight from Chicago to Seattle (CHI-SEA) is currently $131

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Cheapest Direct Flight

$457

AS Alaska Airlines • nonstop • 7h 22m

Oct 31

The cheapest nonstop flight from Chicago to Seattle (CHI-SEA) is currently $457

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Fastest Flight

7h 22m

The fastest nonstop flight from Chicago to Seattle (CHI-SEA) takes 7h 22m

Top Airlines Flying from Chicago to Seattle

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Chicago (CHI) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Chicago to Seattle. Ideal for travelers with confirmed return itineraries.

Oct 31 - Nov 03, Economy
F9
Chicago → Seattle
23h 44m
6:30 AM - 9:45 AM • 2 stops
F9
Chicago → Seattle
34h 2m
7:48 PM - 6:30 PM • 2 stops
$398
Frontier Airlines
Oct 31 - Nov 03, Economy
F9
Chicago → Seattle
23h 44m
6:30 AM - 3:12 PM • 1 stop
F9
Chicago → Seattle
34h 2m
7:48 PM - 6:30 PM • 2 stops
$411
Frontier Airlines
Oct 31 - Nov 03, Economy
F9
Chicago → Seattle
23h 44m
7:20 PM - 5:22 PM • 2 stops
F9
Chicago → Seattle
34h 2m
7:48 PM - 6:30 PM • 2 stops
$433
Frontier Airlines
Oct 31 - Nov 03, Economy
AS
Chicago → Seattle
23h 44m
3:49 PM - 6:28 PM • nonstop
AS
Chicago → Seattle
34h 2m
11:43 AM - 6:59 PM • 1 stop
$443
Alaska Airlines
Oct 31 - Nov 03, Economy
AS
Chicago → Seattle
23h 44m
2:14 PM - 6:40 PM • 1 stop
AS
Chicago → Seattle
34h 2m
11:43 AM - 6:59 PM • 1 stop
$545
Alaska Airlines
Oct 31 - Nov 03, Economy
AS
Chicago → Seattle
23h 44m
2:21 PM - 9:33 PM • 1 stop
AS
Chicago → Seattle
34h 2m
11:43 AM - 6:59 PM • 1 stop
$547
Alaska Airlines

Fly from Chicago to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Chicago to Seattle Flights

What are the airports in Chicago?
ORD,MDW
What’s the most popular airline flying from CHI to SEA?
The most popular airline flying from Chicago to Seattle are
Can I fly from CHI to SEA non-stop?
Yes, you can fly CHI to SEA non-stop on
Which airlines fly nonstop between Chicago and Seattle?
The non-stop flights between Chicago and Seattle are .
What’s the earliest departure time from CHI to SEA Airport?
The earliest flight leaves CHI at 6:30 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Chicago to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from CHI to SEA?
Read the fare rules of the Chicago to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Chicago and Seattle?
operate flights between Chicago and Seattle
How long does a flight from Chicago to Seattle take?
It takes approximately 4 hour to fly non-stop from CHI to SEA, which is 1720.56 miles by air.
Which airlines provide the cheapest flights from Chicago (CHI) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from CHI were found on LF : USD 453
Do I need a passport to fly between CHI and SEA?
No
What’s the latest departure time from CHI to SEA ?
The last flight leaves CHI at 8:30 pm

Chicago (CHI) to Seattle (SEA): Airport Information

Origin Airport Chicago All Airport, Chicago, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 1721 miles

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