$145 Find Cheap Flights from Chicago to Seattle - Compare and Save

The O'Hare airport is child-friendly since it has children's play areas. There are also kids' meals included in the restaurants. For as low as $3, your child will enjoy a healthy meal at any of the restaurants.

Some of the nearby hotels include: Sleep Inn Hotel which charges approximately $110 per night and is located approximately 1.2 miles from the airport, LaSalle Lodge which charges approximately $35 per night and is located approximately 8.7 miles from the airport, and Courtyard Hotel which charges approximately $120 and is located approximately 1.2 miles from the airport.

Yes, all the staff working at Seattle airport are not only friendly but also professionally trained. You can approach any staff at the airport in case you experience any difficulties while moving around the airport.

Duty-free stores are available at this airport. You will find them in the international departure area. If you forgot to buy a gift or a certain item, the store sells cosmetics, fragrances, and food at friendly prices.

Yes, ORD is home to several lounges where you can relax before or after your flights. United Club has lounges in Concourses B, C, and F, where passengers can pay at the door provided they have proof of the airline’s ticket. Swissport Lounge is between Gates M8 and M7 airside of Terminal 5, while American Airlines has lounges in Concourses G, H, and L.

Yes, ORD offers support for passengers with special needs. The airport runs an accessibility service program for passengers with reduced mobility or other disabilities. The program offers electric carts, wheelchairs, and assistance when boarding your flight. Contact your airline if you need these services. Additionally, the airport has several accessible features including public telephones, parking, and restrooms.

Yes, ORD is a pet-friendly facility. The airport has areas where you can take your pets to relieve themselves before your flight to Seattle. The areas are outside the terminal buildings and are equipped with waste disposal bags and artificial turf. The airport also offers pet cargo services for the big pets that can’t travel inside the cabin.

The Link Light Rail offers one of the easiest ways to get to the city center from SEA. Not only is it fast, but it is also an affordable way to complete this trip. You can get your ticket from the airport's Link Light Rail Station on the parking garage's fourth floor. The total trip from the airport to the West Lake Station takes about 30min.

Most of the airlines flying this route offer direct flights. However, flights with stops en route are also available. The stopover options between Chicago and Seattle vary depending on your airline and origin airport. When flying from ORD on a one-stop flight with Spirit Airlines, expect a layover at Harry Reid International (LAS) in Las Vegas.

Flying from Chicago ORD will give you more flight options as it is the larger and busier of the two Chicago airports. The airport is a major hub for several airlines including United Airlines and American Airlines. Additionally, it has more amenities including lounges, restaurants, and shops.

Among airlines operating Chicago to Seattle flights:

• Alaska Airlines: 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
• Delta: 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 Chicago and Seattle. The airlines offering nonstop flights on this route include:

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

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

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
• United Airlines: a cabin bag and a checked bag in Economy Class
• American 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.

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

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

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $231 round-trip via Denver Intl (DEN), compared to $357 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 Chicago to Seattle most commonly connect through:

• Denver Intl (DEN) - 57% of one-stop connections
• Chicago O'Hare Intl (ORD) - 23% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 7% 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 Chicago to Seattle route. Friday is the cheapest departure day at $352 round-trip on average, while Sunday is the most expensive at $386, a difference of $34. 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 Chicago to Seattle flights, with 39% of flights leaving in that window. Afternoon departures account for 28%, evening flights for 22%, and night flights for 11%.

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

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

• Earliest: departs at 6:00 am and lands at 10:44 am
• Latest: departs at 10:55 pm and lands at 3:39 am.

The flight takes about 4h 44m.

Last-minute fares on this route - booked within 2 weeks of departure - run 40% above the route average of $355. Book 5 weeks before departure for the lowest fares.

A nonstop flight from Chicago to Seattle takes 4h 44m, 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 $262 to $1,102. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Chicago to Seattle are currently lower than usual. Average one-way flight prices are about $156, which is 29% below the typical average for this route.

Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 7h 25m, compared with 7h 33m via Chicago O'Hare Intl (ORD) and 8h 28m via Detroit Metropolitan Wayne County (DTW).

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

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Round-trip flights from Chicago to Seattle range from $270 to $438, with an average of $355 over the past 12 months. Anything below $270 counts as a good deal.

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

• • Alaska Airlines
• • American Airlines
• • Delta