$70 Cheap Flights from Chicago to Seattle

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Find The Best Dates To Fly from O'Hare Intl. to Seattle - Tacoma Intl.

Amazing ORD to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $107 round trip and $70 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Feb 13 - Wed, Feb 14
ORD
Chicago
SEA
Seattle
$107 Roundtrip, found 5 days ago
$107
Roundtrip
found 5 days ago
Select Bargain Flight flight, departing Tue, Feb 13 from Chicago to Seattle, returning Wed, Feb 14, priced at $107 found 5 days ago
Tue, Feb 13 - Wed, Feb 14
ORD
Chicago
SEA
Seattle
$108 Roundtrip, found 5 days ago
$108
Roundtrip
found 5 days ago
Select United flight, departing Tue, Feb 13 from Chicago to Seattle, returning Wed, Feb 14, priced at $108 found 5 days ago
Tue, Feb 13 - Wed, Feb 14
ORD
Chicago
SEA
Seattle
$110 Roundtrip, found 5 days ago
$110
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Feb 13 from Chicago to Seattle, returning Wed, Feb 14, priced at $110 found 5 days ago
Tue, Feb 13 - Wed, Feb 14
ORD
Chicago
SEA
Seattle
$113 Roundtrip, found 5 days ago
$113
Roundtrip
found 5 days ago
Select United flight, departing Tue, Feb 13 from Chicago to Seattle, returning Wed, Feb 14, priced at $113 found 5 days ago
Mon, Oct 2 - Sat, Oct 14
ORD
Chicago
SEA
Seattle
$118 Roundtrip, found 6 days ago
$118
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Mon, Oct 2 from Chicago to Seattle, returning Sat, Oct 14, priced at $118 found 6 days ago
Mon, Dec 4 - Wed, Dec 6
ORD
Chicago
SEA
Seattle
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Mon, Dec 4 from Chicago to Seattle, returning Wed, Dec 6, priced at $127 found 5 days ago
Wed, Dec 6 - Sat, Dec 9
ORD
Chicago
SEA
Seattle
$127 Roundtrip, found 5 hours ago
$127
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Wed, Dec 6 from Chicago to Seattle, returning Sat, Dec 9, priced at $127 found 5 hours ago
Thu, Nov 9 - Mon, Nov 13
ORD
Chicago
SEA
Seattle
$128 Roundtrip, found 5 hours ago
$128
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Nov 9 from Chicago to Seattle, returning Mon, Nov 13, priced at $128 found 5 hours ago
Thu, Nov 16 - Sun, Nov 19
ORD
Chicago
SEA
Seattle
$134 Roundtrip, found 4 hours ago
$134
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Thu, Nov 16 from Chicago to Seattle, returning Sun, Nov 19, priced at $134 found 4 hours ago
Tue, Nov 7 - Sat, Nov 11
ORD
Chicago
SEA
Seattle
$135 Roundtrip, found 4 hours ago
$135
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Tue, Nov 7 from Chicago to Seattle, returning Sat, Nov 11, priced at $135 found 4 hours ago

Flight Schedule for ORD to SEA

CarrierFlightDepart ORDArrive SEAFri
9/29		Sat
9/30		Sun
10/1		Mon
10/2		Tue
10/3		Wed
10/4		Thu
10/5		Stops
UA198606:00 am11:55 amCheck Fare
-
-
Check Fare
-
-
Check Fare
1 Stops
AS58706:00 am08:35 amCheck FareCheck Fare
-
-
-
-
-
0 Stops
DL157806:15 am08:45 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA126207:15 am09:53 amCheck FareCheck Fare
-
Check Fare
-
-
Check Fare
0 Stops
AA267508:05 am10:36 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS32908:40 am11:22 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA45009:07 am11:47 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AA269210:05 am00:40 pmCheck Fare
-
Check FareCheck Fare
-
Check Fare
-
0 Stops
AS40701:15 pm03:53 pmCheck Fare
-
Check FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA32601:28 pm08:39 pmCheck FareCheck Fare
-
-
-
-
-
1 Stops
DL118902:15 pm04:52 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS47903:55 pm06:25 pmCheck FareCheck Fare
-
-
-
-
-
0 Stops
UA173204:40 pm07:20 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AA266804:45 pm07:19 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS35505:55 pm08:25 pmCheck Fare
-
-
-
-
-
-
0 Stops
DL282106:50 pm09:33 pmCheck Fare
-
Check FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS40907:34 pm10:09 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA246608:00 pm10:41 pmCheck FareCheck Fare
-
-
-
-
-
0 Stops
AS36309:25 pm11:59 pmCheck Fare
-
-
-
-
-
-
0 Stops
UA209101:10 pm03:51 pm
-
Check FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS33306:15 am08:53 am
-
-
Check FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS35305:55 pm08:35 pm
-
-
Check FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA151109:10 pm11:51 pm
-
-
Check Fare
-
-
-
-
0 Stops
UA146308:00 pm10:41 pm
-
-
-
Check FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from O'Hare Intl. Airport (ORD) to Sea-Tac Airport right now?
For info on any current SEA travel advice and quarantine requirements, visit the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out en route.
Are there direct flights from O'Hare Airport to SEA?
If you’d love to venture from O’Hare Airport to Sea-Tac Airport as fast as possible, you’ll be happy to know multiple airlines operate direct flights. Select your preferred seat with Alaska Airlines or United Airlines.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
How long is the flight from ORD to SEA?
Flights between Chicago and Seattle take approximately 4 hours and 38 minutes in total. Make the most of your time in the air by reading, resting, watching a movie or doing all three.
What is the flight distance from O'Hare Intl. Airport (ORD) to SEA?
Between ORD and SEA, the flight distance is roughly 1,700 mi. So, fasten your seat belt and settle back. You have some tough decisions to make — watch the latest film, read a good novel or catch forty winks?
What airlines fly from O'Hare Airport to Sea-Tac Airport?
If you’re eager to fly direct from O’Hare Airport to SEA, you won’t have a problem finding a fare. Here are the best airlines that advertise nonstop services on this route:

  • Alaska Airlines - (AS) with 152 flights every month
  • United Airlines - (UA) with 152 flights every month
  • American Airlines - (AA) with 108 flights every month
  • Delta - (DL) with 78 flights every month

What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
O'Hare Intl.
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
4 hours 30 mins
Earliest Departure Time
6:00AM CDT
Latest Departure Time
8:00PM CDT
Lowest Flight Price
$107

Route Info

Flight path for flights from O'Hare International Airport to Seattle-Tacoma International Airport


Origin:
ORD - O'Hare International Airport
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
1,725.00 miles


Airlines & Aircraft Used on ORD to SEA Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
Boeing 737-800 pax
American Airlines
Boeing 737 all pax models
American Airlines
Boeing 737-800 pax
United Airlines
Boeing 737-500 pax

Discover our best flights from Chicago ORD to Seattle SEA. 

With 16 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Chicago ORD to Seattle SEA at the right price  

Airfares to Seattle SEA from Chicago ORD currently cost between $107 and $135. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Chicago ORD to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Chicago ORD to Seattle SEA on Travelocity starting at $70. Prices and availability subject to change. Additional terms may apply. 

 

Get to Seattle SEA from Chicago ORD quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from ORD to take around 4 hour(s) 30 min(s).  

 

Find our cheapest airfares for flights from Chicago ORD to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from ORD. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Chicago ORD to Seattle SEA today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Chicago ORD to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Seattle SEA from Chicago ORD 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from ORD have this option.  

 

Travel with confidence when you book flights to Seattle SEA from Chicago ORD with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.