£119 Find Cheap Flights from Seattle to Chicago – Compare and Save

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

• Earliest: departs at 06:06 and lands at 10:17
• Latest: departs at 23:59 and lands at 04:10.

The flight takes about 4h 11m.

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

A direct flight from Seattle to Chicago O'Hare Intl Airport takes 4h 11m, covering 1,715 miles.

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driving licence.

Return flights from Seattle to Chicago O'Hare Intl Airport range from £229 to £348, with an average of £283 over the past 12 months. Anything below £229 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 34% above the £283 route average. Book 9 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £179 return via Los Angeles (LAX), compared with £284 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £26–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

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

Morning is the busiest departure period on Seattle to Chicago O'Hare Intl Airport flights, with 58% leaving in that window. Afternoon departures account for 14%, Evening flights for 14%, and Night flights for 14%.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £199 to £845. That means the highest observed fare was about 4x higher than the lowest one.

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

• American Airlines
• Alaska Airlines
• Delta
• JetBlue

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

One-way fares from Seattle to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about £135, which is 22% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car hire companies, with daily rates averaging £47 for economy cars. Top options include:

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

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

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

• Denver Intl (DEN) – 56% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) – 17% of one-stop connections
• Minneapolis St Paul (MSP) – 14% of one-stop connections
• Los Angeles (LAX) – 8% of one-stop connections

Yes. Flexible dates can save you up to 13% on flights from Seattle to Chicago O'Hare Intl Airport. Wednesday is the cheapest departure day at £269 return on average, while Sunday is the most expensive at £308, a difference of £39.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time of 7h 32m, compared to 9h 05m via Minneapolis St Paul (MSP) and 11h 48m 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.

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

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

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

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

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

• American Airlines: a cabin bag and a checked bag in Economy class
• Alaska Airlines: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class

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