$75 Cheap United flights from Chicago to Seattle (ORD to SEA)

Find The Best Day To Fly from Chicago to Seattle

Amazing United ORD to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $139 round trip and $75 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Oct 9 - Tue, Oct 15
ORD
Chicago
SEA
Seattle
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 9 from Chicago to Seattle, returning Tue, Oct 15, priced at $139 found 1 day ago
Wed, Oct 9 - Tue, Oct 15
ORD
Chicago
SEA
Seattle
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 9 from Chicago to Seattle, returning Tue, Oct 15, priced at $144 found 1 day ago
Wed, Oct 9 - Tue, Oct 15
ORD
Chicago
SEA
Seattle
$146 Roundtrip, found 1 day ago
$146
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 9 from Chicago to Seattle, returning Tue, Oct 15, priced at $146 found 1 day ago
Wed, Oct 16 - Tue, Oct 22
ORD
Chicago
SEA
Seattle
$154 Roundtrip, found 9 hours ago
$154
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Oct 16 from Chicago to Seattle, returning Tue, Oct 22, priced at $154 found 9 hours ago
Sat, Nov 2 - Tue, Nov 5
ORD
Chicago
SEA
Seattle
$172 Roundtrip, found 11 hours ago
$172
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Nov 2 from Chicago to Seattle, returning Tue, Nov 5, priced at $172 found 11 hours ago

SEA From ORD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Mediterranean Inn

Mediterranean Inn

3 out of 5
Save 100% on your flight
per person
Jul 18 - Jul 23
Roundtrip non-stop flight included
Chicago (ORD) to Seattle (SEA)
Mayflower Park Hotel

Mayflower Park Hotel

4 out of 5
Save 100% on your flight
per person
Jul 18 - Jul 23
Roundtrip non-stop flight included
Chicago (ORD) to Seattle (SEA)
The Belltown Inn

The Belltown Inn

2.5 out of 5
Save 100% on your flight
per person
Jul 18 - Jul 23
Roundtrip non-stop flight included
Chicago (ORD) to Seattle (SEA)
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Frequently asked questions

Can I catch a flight from ORD to Seattle - Tacoma Intl. Airport (SEA) right now?
For any current Sea-Tac Airport travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught out.
What terminal is United Airlines at O'Hare Intl. Airport (ORD)?
If you’re flying from O’Hare Intl. Airport (ORD) to SEA with United Airlines, you’ll probably be taking off from terminal 1. Your airline should be able to let you know which terminal you’ll be arriving at.
Are there United Airlines non-stop flights from ORD to SEA?
With United Airlines offering direct services between O’Hare Airport and SEA, your next grand adventure is a single flight away. Wave goodbye to the hassle, inconvenience and luggage mix-ups that are often associated with stopovers, and book your ticket today.
How long is a United Airlines flight from ORD to SEA?
Your United Airlines flight from O’Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA) should take around 5 hours and 21 minutes. But there are lots of things you can do to keep yourself busy. Chatting to the person next to you about the travel experiences they’ve had is one of them. If you’d prefer a different sort of in-flight entertainment, you could always watch a TV show.
What type of aircraft does United Airlines fly from ORD to SEA?
The Boeing 737-900 and the Boeing 737-800 are the two types of aircraft models usually used by United Airlines between ORD and SEA.
How many direct and indirect flights does United Airlines fly from ORD to SEA?
When journeying from ORD to SEA, you’ll find roughly 4 United Airlines daily flights to select from.
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 SEA, please visit our Customer Service Portal.
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.

Discover our best United flight from Chicago ORD to Seattle SEA 

To find the best deals on flights to Chicago from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find 4 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Chicago ORD to Seattle SEA with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $139 to $172, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Chicago ORD to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Chicago to Seattle costs from $75. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Chicago ORD with United 

To find a cheap United flight from Chicago ORD to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Chicago ORD to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Chicago ORD to Seattle SEA with United 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 4 hour(s) 34 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Chicago ORD to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Chicago ORD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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