$159 Find Cheap Flights from Seattle to Chicago O'Hare Airport - Compare and Save

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

• Earliest: departs at 6:06 am and lands at 10:17 am
• Latest: departs at 11:59 pm and lands at 4:10 am.

The flight takes about 4h 11m.

Four cabin classes are available on flights from Seattle to Chicago O'Hare Intl Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop 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 a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Seattle to Chicago O'Hare Intl Airport range from $307 to $466, with an average of $379 over the past 12 months. Anything below $307 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 34% above the $379 route average. Book 9 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $240 round-trip via Los Angeles (LAX), compared to $380 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.

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 54% of flights leaving in that window. Afternoon departures account for 16%, evening flights for 15%, and night flights for 15%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $266 to $1,113. That means the highest observed fare was about 4x higher than the lowest one.

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

• American Airlines
• Alaska Airlines
• Delta

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.

One-way fares from Seattle to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $163, which is 30% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates averaging $63 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) - 44% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 22% of one-stop connections
• Minneapolis St Paul (MSP) - 15% of one-stop connections
• Los Angeles (LAX) - 11% 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 $361 round-trip on average, while Sunday is the most expensive at $413, a difference of $52.

KAYAK's flexible dates feature shows options up to 3 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 nonstop flights on this route include:

• American Airlines
• Alaska Airlines
• United Airlines
• Delta

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 7h 29m, compared with 7h 32m via Dallas/Fort Worth (DFW) and 12h 16m 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 Magnificent Mile, Grant Park and Soldier Field. 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

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

Mothers traveling with their babies or toddlers can use the seven nursing rooms at Seattle-Tacoma International Airport. The rooms are located at Gates A9, C10, D10, D23, N2, and Gate S along the mezzanine level. Use can also use the space in the North Main Terminal at the train station. With well equipped sinks, a power outlet, adjustable light, changing tables, and private breastfeeding units, O'Hare has four designated rooms in Terminals 1, 2, 3, and 5.

The Seattle-Tacoma International Airport (SEA) is fitted with special access facilities to cater to passenger safety and quickly move from one point to another in the airport. For instance, buildings in the airport are equipped with escalators and ramps to make it easy for passengers to use wheelchairs. Access points are also available at the terminals. In addition, the airport has special toilets designed for travelers with less mobility.

Hilton Chicago O'Hare Airport Hotel is the only onsite hotel, across Terminal 2.However, if you miss a room in this hotel, the Aloft Chicago O'Hare hotel is another option near the airport. Double Tree, Embassy Suites, and Crowne Plaza are other recommended hotels near the airport.

Most airlines tend to have layovers at their hub airports. For instance, Delta Air Lines has one layover at Minneapolis-Saint Paul International Airport (MSP) or Salt Lake City International Airport (SLC). American Airlines has its layover at either Charlotte Douglas International Airport (CLT), Dallas/Fort Worth International Airport (DFW), or Phoenix Sky Harbor International Airport (PHX).