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Cheap flights from Chicago to Seattle (ORD to SEA)

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.

Good to know

Useful information for finding cheap flights from Chicago O'Hare International to Seattle Tacoma International and booking your next trip

Cheapest Round Trip Flight

$309

AS Alaska Airlines • nonstop • 7h 25m

Aug 05 – Aug 13

The cheapest round trip flight from Chicago O'Hare International to Seattle Tacoma International is currently $309

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Cheapest Direct Flight

$264

AS Alaska Airlines • nonstop • 7h 24m

Aug 05

The cheapest nonstop flight from Chicago O'Hare International to Seattle Tacoma International is currently $264

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Fastest Flight

7h 22m

The fastest nonstop flight from Chicago O'Hare International to Seattle Tacoma International takes 7h 22m

Recent airfare deals on Chicago to Seattle

Aug 05 - Aug 13, Economy
AS
Chicago → Seattle
7h 25m
5:59 PM - 8:39 PM • nonstop
AS
Chicago → Seattle
6h 50m
5:59 PM - 12:04 AM • nonstop
$309
Alaska Airlines
Aug 05 - Aug 13, Economy
UA
Chicago → Seattle
11h 43m
6:25 PM - 1:04 AM • 1 stop
UA
Chicago → Seattle
10h 45m
12:45 PM - 1:04 AM • 1 stop
$353
United Airlines
Aug 05 - Aug 13, Economy
AA
Chicago → Seattle
10h 59m
5:13 PM - 12:48 AM • 1 stop
AA
Chicago → Seattle
10h 57m
6:35 AM - 6:22 PM • 1 stop
$393
American Airlines
Aug 05 - Aug 13, Economy
AS
Chicago → Seattle
11h 48m
7:23 PM - 10:35 AM • 1 stop
AS
Chicago → Seattle
10h 44m
7:10 AM - 6:23 PM • 1 stop
$396
Alaska Airlines
Aug 05 - Aug 13, Economy
AA
Chicago → Seattle
11h 50m
6:25 PM - 12:48 AM • 1 stop
AA
Chicago → Seattle
10h 37m
5:30 AM - 2:52 PM • 1 stop
$449
American Airlines
Aug 05 - Aug 14, Economy
UA
Chicago → Seattle
12h 39m
6:01 PM - 1:01 AM • 1 stop
UA
Chicago → Seattle
12h 4m
12:03 AM - 5:15 PM • 1 stop
$596
United Airlines

Facts to know while booking flights from Chicago to Seattle

What are the airports in Chicago?
MDW,ORD
What’s the most popular airline flying from ORD to SEA?
The most popular airline flying from Chicago to Seattle are
Can I fly from ORD to SEA non-stop?
Yes, you can fly ORD 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 ORD to SEA Airport?
The earliest flight leaves ORD at 6:05 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 ORD 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 ORD to SEA, which is 1720.56 miles by air.
Which airlines provide the cheapest flights from Chicago (ORD) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from ORD were found on ('AA') : USD 393
Do I need a passport to fly between ORD and SEA?
No
What’s the latest departure time from ORD to SEA ?
The last flight leaves ORD at 7:23 pm

Flights from Chicago to Seattle

Origin Airport Chicago O'Hare International , Chicago, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
American Airlines, AA
Alaska Airlines -AS

Popular Origin & Destination

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