C$ 223 Find Cheap Flights from Seattle to Chicago – Compare and Save

Yes, Chicago O’Hare Airport has several attractions, such as the Brachiosaurus Dinosaur, the Butch O'Hare Exhibit, the Hall of Flags, a light sculpture, an urban garden, painted benches, and a yoga room. If you need to spend the night at the airport, the CDA provides a cot, a pillow, and a passenger amenity kit with toiletries.

The CTA blue line L train offers a quick and convenient transportation option that'll take about 45min from O’Hare Airport. At the airport, you can take the blue line from Terminals 1, 2, and 3. Follow the "CTA Trains" signs to get there. It's a short distance from the baggage claim area. If you'd rather travel by bus, the shuttle pickup point is located outside the baggage claim at all terminals. Alternatively, you can use the Airport Supersaver, also in the same location, but allows more luggage. If a taxi sounds more like your preferred travel option, taxi stands are located outside the terminals.

You can stay at the Hilton Chicago O'Hare Airport Hotel. It's directly across Terminal 1, 2, and 3 and within walking distance through the underground walkways or the Airport Transit System from Terminal 5.

If you arrive early at the Seattle Tacoma International Airport and need to grab a bite, you'll find several restaurants, including McDonald's, Beecher's Handmade Cheese, Hachi-Ko, Starbucks, Caffe D'arte, and Dish D'Lish, among others.

Among airlines operating Seattle to Chicago O'Hare Intl Airport flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

4 airlines operate flights between Seattle and Chicago O'Hare Intl Airport. The airlines offering direct flights on this route include:

• American Airlines
• Alaska Airlines
• United Airlines
• Delta

Flights from Seattle to Chicago O'Hare Intl Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Chicago O'Hare Intl (ORD).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a carry-on bag and a checked bag in Economy Class
• American Airlines: a carry-on bag and a checked bag in Economy Class
• Delta: a carry-on bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy Class is available on flights from Seattle to Chicago O'Hare Intl Airport.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 292 round-trip via Los Angeles Los Angeles (LAX), compared to C$ 504 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 49–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-900 family is used most often on this route, operated mainly by Delta and United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

One-stop flights from Seattle to Chicago O'Hare Intl Airport most commonly connect through:

• Denver Intl (DEN) – 71% of one-stop connections
• Minneapolis St Paul (MSP) – 17% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) – 4% of one-stop connections
• Los Angeles Los Angeles (LAX) – 4% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 9% on the Seattle to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at C$ 495 round-trip on average, while Monday is the most expensive at C$ 543, a difference of C$ 48. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Seattle to Chicago O'Hare Intl Airport flights, with 51% leaving in that window. Evening departures account for 18%, Night flights for 18%, and Afternoon flights for 13%.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, River North, and Grant Park. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

These are the earliest and latest flight times available from Seattle to Chicago O'Hare Intl Airport:

• Earliest: departs at 12:16 am and lands at 4:29 am
• Latest: departs at 11:59 pm and lands at 4:12 am.

The flight takes about 4h 13m.

Last-minute fares on this route – booked within 2 weeks of departure – run 42% above the route average of C$ 501. Book 13 weeks before departure for the lowest fares.

A direct flight from Seattle to Chicago O'Hare Intl Airport takes 4h 13m, covering 4,442 km.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 388 to C$ 1,912. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Seattle to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about C$ 223, which is 28% below the typical average for this route.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 7h 32m, compared with 9h 48m via Minneapolis St Paul (MSP) and 14h 03m via Denver Intl (DEN).

Chicago O'Hare Intl Airport is 2 hours ahead of Seattle (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around C$ 24 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Round-trip flights from Seattle to Chicago O'Hare Intl Airport range from C$ 394 to C$ 633, with an average of C$ 501 over the past 12 months. Anything below C$ 394 counts as a good deal.

Four airlines offer in-flight Wi-Fi on Seattle to Chicago O'Hare Intl Airport flights:

• Alaska Airlines
• American Airlines
• Delta
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.