$64 Cheap Frontier Airlines flights from Seattle to Chicago (SEA to ORD)

Find The Best Day To Fly from Seattle to Chicago

Amazing Frontier Airlines SEA to ORD Flight Deals

The cheapest flights to O'Hare Intl. found within the past 7 days were round trip and $64 one way. Prices and availability subject to change. Additional terms may apply.

ORD From SEA Economy Coach Packages on Similar Airlines

Bluegreen Vacations Hotel Blake, Ascend Resort Collection

Bluegreen Vacations Hotel Blake, Ascend Resort Collection

3.5 out of 5
Save 100% on your flight
per person
Jun 22 - Jun 26
Roundtrip non-stop flight included
Seattle (SEA) to Chicago (ORD)
LondonHouse Chicago, Curio Collection by Hilton

LondonHouse Chicago, Curio Collection by Hilton

4.5 out of 5
Save 100% on your flight
per person
Jun 22 - Jun 26
Roundtrip non-stop flight included
Seattle (SEA) to Chicago (ORD)
Trump International Hotel & Tower Chicago

Trump International Hotel & Tower Chicago

5 out of 5
Save 100% on your flight
per person
Jun 22 - Jun 26
Roundtrip non-stop flight included
Seattle (SEA) to Chicago (ORD)
Don't see what you're looking for?
See all available trips from Seattle - Tacoma Intl. to O'Hare Intl.
View all trips
Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from SEA to O'Hare Intl. Airport (ORD) right now?
For any present O’Hare Airport 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.
What terminal is Frontier Airlines at Sea-Tac Airport?
Before you set off from Sea-Tac Airport to O’Hare Intl. Airport (ORD) with Frontier Airlines, it’s probably a good idea to get in touch with the airline to find out your terminal information. While your boarding pass should display some of the details, we can’t guarantee it.
Are there Frontier Airlines non-stop flights from SEA to ORD?
If you want to fly with Frontier Airlines from Seattle - Tacoma Intl. Airport (SEA) to ORD, you’ll need to make at least one stop. While you’re waiting for your connecting flight, take the opportunity to grab a quick bite or explore the airport shops.
How long is a Frontier Airlines flight from SEA to ORD?
As it’ll take an average of 6 hours and 25 minutes for your Frontier Airlines flight to head from Sea-Tac Airport to O’Hare Airport, consider popping some fun travel games in your cabin bag. You never know — the person next to you might appreciate a challenge to break up the trip.
How many direct and indirect flights does Frontier Airlines fly from SEA to ORD?
Over the course of a year, Frontier Airlines flies between Sea-Tac Airport and ORD approximately 156 times.
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 O’Hare Airport, 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 Frontier Airlines flight from Seattle SEA to Chicago ORD 

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

 

Return flights from Seattle SEA to Chicago ORD with Frontier Airlines 

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

 

Book one-way Frontier Airlines flights from Seattle SEA to Chicago ORD 

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 Frontier Airlines flight from Seattle to Chicago costs from $64. Prices and availability subject to change. Additional terms may apply. 

 

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

To find a cheap Frontier Airlines flight from Seattle SEA to Chicago ORD, 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 Frontier Airlines flights from Seattle SEA to Chicago ORD 

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 , or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Chicago ORD with Frontier Airlines 

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

 

Flexible airline tickets for Frontier Airlines flights from Seattle SEA to Chicago ORD 

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 Chicago ORD from  Seattle SEA with Frontier Airlines 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.

Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
LASUSAMcCarran Intl.1
MEXMEXMexico City Intl.1
LAXUSALos Angeles Intl.1

Travelers ❤️ these 🏨 after their flight to Chicago

Best Western At O'Hare
Best Western At O'Hare
2.5 out of 5
10300 W Higgins Road, Rosemont, IL
A gym, self parking, and laundry facilities are featured at this hotel. Guests will appreciate freebies like on-the-go breakfast, WiFi in public areas, and a ...
7.2/10 Good! (1,687 reviews)
"The staff is awesome"

Reviewed on Apr 16, 2024

Best Western At O'Hare
Hilton Chicago O'Hare Airport
Hilton Chicago O'Hare Airport
4 out of 5
O'Hare International Airport, Chicago, IL
This hotel features 2 restaurants, a bar/lounge, and A 24-hour gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
7.6/10 Good! (1,925 reviews)
"Easy access. Great service."

Reviewed on Apr 17, 2024

Hilton Chicago O'Hare Airport
Sheraton Suites Chicago O'Hare
Sheraton Suites Chicago O'Hare
3.5 out of 5
6501 N Mannheim Rd, Rosemont, IL
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.6/10 Excellent! (1,000 reviews)
"Shuttle takes time to arrive and the phone number provided for international flights is not helpful. The design of the hotel with open lobby to all floors makes it noisy to all rooms when there is an event downstairs."

Reviewed on Apr 15, 2024

Sheraton Suites Chicago O'Hare
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.