$156 Find Cheap Flights from Seattle to Chicago Midway Airport - Compare and Save

Among airlines operating Seattle to Chicago Midway Airport flights:

• Southwest: offers free seat selection

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

Only Southwest operates flights between Seattle and Chicago Midway Airport.

Flights from Seattle to Chicago Midway Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Chicago Midway (MDW).

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

• Southwest: 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.

Only Economy Class is available on flights from Seattle to Chicago Midway Airport.

On this route, nonstop and layover fares are close on average, with nonstop at $333 round-trip and layover options via Denver Intl (DEN) at $339.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321neo 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 Passenger/BBJ2 (winglets) variants.

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

• Denver Intl (DEN) - 43% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 43% of one-stop connections
• Minneapolis St Paul (MSP) - 14% 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 60% on the Seattle to Chicago Midway Airport route. Tuesday is the cheapest departure day at $277 round-trip on average, while Sunday is the most expensive at $688, a difference of $411. 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 Midway Airport flights, with 50% of flights leaving in that window. Night departures account for 50%, afternoon flights for 0%, and evening flights for 0%.

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

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

• Earliest: departs at 12:10 am and lands at 4:05 am
• Latest: departs at 11:05 pm and lands at 3:00 am.

The flight takes about 3h 55m.

Last-minute fares on this route - booked within 2 weeks of departure - run 87% above the route average of $349. Book 8 weeks before departure for the lowest fares.

A nonstop flight from Seattle to Chicago Midway Airport takes 3h 55m, covering 1,728 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 $277 to $1,361. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Seattle to Chicago Midway Airport are currently lower than usual. Average one-way flight prices are about $177, which is 31% below the typical average for this route.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 6h 37m, compared with 7h 18m via Detroit Metropolitan Wayne County (DTW) and 14h 19m via Denver Intl (DEN).

Chicago Midway 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 Midway Airport (MDW) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
• Hertz
• Dollar
• Budget
• Alamo
• Rent-A-Wreck

Round-trip flights from Seattle to Chicago Midway Airport range from $270 to $445, with an average of $349 over the past 12 months. Anything below $270 counts as a good deal.