$152 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.

SEA has several pet relief areas available for travelers with pets or service animals. These relief areas are located both inside and outside the terminal, and include four indoor/post-security relief areas located in the North Satellite, Concourse D, South Satellite, and Central Terminal. Additionally, there are two outdoor pet relief areas, located outside of door 26 and at the South end of baggage claim in the secured area.

Some of the amenities that are available for business travelers at SEA include wi-fi access, charging stations for electronic devices, private workstations, printing and fax services, meeting rooms, and conference facilities available at the on-site airport lounges, such as the Club at SEA located in Concourse A, C and S.

Yes. The rental desks at MDW are located in the Midway Rental Car Facility, which hosts all the rental companies in one location. You can access the Rental Car Facility by taking the shuttle bus outside the baggage claim area. The facility is located near the airport, and it's easily accessible to passengers.

There are several public transportation options available at Midway Airport. The Chicago Transit Authority (CTA) offers both rapid transit trains (the Orange Line) and buses that can take you to various parts of the city. The Midway Station is located near the airport, and riders can take the shuttle bus outside of the baggage claim to get there.

There are several cities you can visit from Chicago O'Hare International Airport (ORD). These include Chicago, Des Plaines, Park Ridge, Franklin Park, Elmwood Park, River Grove, Schiller Park, Norridge, Harwood Heights, and Rosemont. These locations are all accessible from the transit options at the airport.

There are several nursing rooms and pods available for traveling, nursing mothers at ORD. These facilities can be found in each terminal including Terminal 1, Concourses B and C; Terminal 2, Concourses E and F; and Terminal 3, Concourses G and H. In addition, Mamava lactation pods are available throughout the airport, including at Terminal 1, 2, and 3. 

Among airlines operating Seattle to Chicago flights:

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

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

5 airlines operate flights between Seattle and Chicago. The airlines offering nonstop flights on this route include:

• American Airlines
• Alaska Airlines
• United Airlines
• Delta
• Southwest

Flights from Seattle to Chicago usually depart from Seattle/Tacoma Intl (SEA) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

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

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class

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

Three cabin classes are available on flights from Seattle to Chicago:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $208 round-trip via Los Angeles (LAX), compared to $359 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Seattle to Chicago most commonly connect through:

• Denver Intl (DEN) - 65% of one-stop connections
• Minneapolis St Paul (MSP) - 16% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 5% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 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 11% on the Seattle to Chicago route. Tuesday is the cheapest departure day at $352 round-trip on average, while Sunday is the most expensive at $393, a difference of $41. 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 flights, with 53% of flights leaving in that window. Night departures account for 21%, evening flights for 15%, and afternoon flights for 11%.

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

These are the earliest and latest flight times available from Seattle to Chicago:

• Earliest: departs at 12:10 am and lands at 4:21 am
• Latest: departs at 11:59 pm and lands at 4:10 am.

The flight takes about 4h 11m.

Last-minute fares on this route - booked within 2 weeks of departure - run 43% above the route average of $358. Book 9 weeks before departure for the lowest fares.

A nonstop flight from Seattle to Chicago takes 4h 11m, covering 1,731 miles.

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 $279 to $2,240. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Seattle to Chicago are currently lower than usual. Average one-way flight prices are about $157, which is 29% below the typical average for this route.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 18m, compared with 7h 29m via Chicago O'Hare Intl (ORD) and 7h 32m via Dallas/Fort Worth (DFW).

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

Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Chicago O'Hare Intl Airport (ORD) — daily rates from around $17:

· Routes Car & Truck Rentals
· Europcar
· Hertz
· Dollar
· Ace

Near Chicago Midway Airport (MDW) — daily rates from around $32:

· Hertz
· Dollar
· Budget
· Alamo
· Rent-A-Wreck

Near Chicago Greater Rockford Airport (RFD) — daily rates from around $30:

· Alamo
· Enterprise Rent-A-Car
· Budget
· Avis
· National

Round-trip flights from Seattle to Chicago range from $281 to $452, with an average of $358 over the past 12 months. Anything below $281 counts as a good deal.

Four airlines offer in-flight Wi-Fi on Seattle to Chicago flights:

• • Alaska Airlines
• • Delta
• • American Airlines
• • JetBlue