MDW - SEA

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

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Everything you should know

Cheapest round-trip
$268
Typical prices: $234-$437
Southwest
Mon 11/26Mon 12/3
MDW - SEA • Non-stop
Cheapest non-stop
$277
Typical prices: $234-$446
Southwest
Tue 11/20Thu 11/22
MDW - SEA • Non-stop
Nonstop flights
You can fly direct with Southwest. Average duration is 4h 43m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 59% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $345 (round-trip)
Shortest trip • 7h 14m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Midway to Seattle (MDW-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Midway to Seattle

Thu, Nov 26 - Thu, Dec 3
Southwest Logo
10:15 am - 1:00 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 45mnonstop
Southwest Logo
4:40 pm - 5:45 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
11h 05m2 stops Oakland Phoenix Sky Harbor Intl
$268Southwest
Wed, Nov 25 - Wed, Dec 2
Southwest Logo
10:30 pm - 1:20 amMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 50mnonstop
Southwest Logo
4:40 pm - 5:45 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
11h 05m2 stops Oakland Phoenix Sky Harbor Intl
$268Southwest
Thu, Nov 26 - Thu, Dec 3
Southwest Logo
10:15 am - 1:00 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 45mnonstop
Southwest Logo
7:00 am - 10:00 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
13h 00m1 stop San Diego
$269Southwest
Wed, Dec 16 - Tue, Jan 12
Southwest Logo
1:20 pm - 10:20 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
11h 00m2 stops Louisville Intl Las Vegas Harry Reid Intl
Southwest Logo
10:35 am - 4:35 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
4h 00mnonstop
$272Southwest
Thu, Nov 26 - Wed, Dec 2
Southwest Logo
10:15 am - 1:00 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 45mnonstop
Southwest Logo
4:40 pm - 5:45 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
11h 05m2 stops Oakland Phoenix Sky Harbor Intl
$272Southwest
Fri, Nov 20 - Sun, Nov 22
Southwest Logo
9:45 pm - 12:35 amMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 50mnonstop
Southwest Logo
12:15 am - 6:05 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
3h 50mnonstop
$277Southwest
Fri, Feb 5 - Sun, Feb 7
Southwest Logo
10:10 am - 1:00 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 50mnonstop
Southwest Logo
12:10 am - 6:05 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
3h 55mnonstop
$277Southwest
Sat, Nov 21 - Tue, Dec 1
Southwest Logo
10:00 pm - 12:45 amMDW  Chicago Midway-SEA Seattle/Tacoma Intl
4h 45mnonstop
Southwest Logo
6:30 am - 12:25 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
3h 55mnonstop
$277Southwest
Thu, Dec 3 - Sun, Dec 6
Delta Logo
1:41 pm - 10:03 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
10h 22m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:15 pm - 9:37 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
8h 22m1 stop Detroit Metropolitan Wayne County
$317Delta
Tue, Dec 1 - Wed, Dec 2
Delta Logo
1:41 pm - 10:03 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
10h 22m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:50 am - 6:01 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
6h 11m1 stop Detroit Metropolitan Wayne County
$347Delta
Booking Insights

Price, demand and travel trends for Chicago Midway Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Chicago Midway Airport to Seattle?

Round-trip flights from Chicago Midway Airport to Seattle typically range from $234 to $437. The lowest price found in the past 5 days was $268, on Southwest.

What's the cheapest day of the week to fly from Chicago Midway Airport to Seattle?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Chicago Midway Airport to Seattle. It’s 12% cheaper than the average day, while Wednesday is the most expensive, with prices 12% higher.

What’s the cheapest month to fly from Chicago Midway Airport to Seattle?

•March is the cheapest month to fly from Chicago Midway Airport to Seattle at $234 round-trip.
•February ($516) and December ($469) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 120% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Chicago Midway Airport to Seattle the cheapest?

Flights from Chicago Midway Airport to Seattle are cheapest 5 weeks before departure. Booking in this window typically costs about 59% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Chicago Midway Airport to Seattle flights

Low season

November

Cheapest flight

$145
Beat the crowds with an average 42% drop in travelers.
The most popular month to fly with an average 80% increase in travelers.
One-way flight from Chicago Midway Airport to Seattle

When to book flights from Midway to Seattle

Are your dates flexible? Find out the best times to travel from Midway to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago Midway Airport to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Chicago Midway Airport to Seattle?

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

    • Earliest: departs at 9:55 am and lands at 2:38 pm
    • Latest: departs at 10:55 pm and lands at 3:38 am.

    The flight takes about 4h 43m.

  • What cabin classes can I book on flights from Chicago Midway Airport to Seattle?

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

  • How long is a flight from Chicago Midway Airport to Seattle?

    A nonstop flight from Chicago Midway Airport to Seattle takes 4h 43m, covering 1,728 miles.

  • Do I need a passport to fly from Chicago Midway Airport to Seattle?

    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.

  • How much should I expect to pay for a Chicago Midway Airport to Seattle flight?

    Round-trip flights from Chicago Midway Airport to Seattle range from $234 to $437, with an average of $334 over the past 12 months. Anything below $234 counts as a good deal.

  • How expensive are last-minute Chicago Midway Airport to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 64% above the $334 route average. Book 5 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Chicago Midway Airport to Seattle?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $324 round-trip, compared to $345 via a layover through Denver Intl (DEN).

  • What is the standard checked-bag allowance on flights from Chicago Midway Airport to Seattle?

    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.

  • Which aircraft model is used most often on flights from Chicago Midway Airport to Seattle?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Boeing 737-900 variants.

  • How are flight departures from Chicago Midway Airport to Seattle spread across the day?

    Morning is the busiest departure period on Chicago Midway Airport to Seattle flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Chicago Midway Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $268 to $1,133. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Chicago Midway Airport to Seattle looking right now?

    One-way fares from Chicago Midway Airport to Seattle are currently lower than usual. Average one-way flight prices are about $153, which is 36% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Chicago Midway Airport to Seattle?

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

  • Which airports do connecting flights from Chicago Midway Airport to Seattle pass through?

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

    • Denver Intl (DEN) - 50% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 25% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 25% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago Midway Airport to Seattle?

    Yes. Flexible dates can save you up to 22% on flights from Chicago Midway Airport to Seattle. Friday is the cheapest departure day at $297 round-trip on average, while Wednesday is the most expensive at $377, a difference of $80.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Chicago Midway Airport to Seattle?

    Only Southwest operates flights between Chicago Midway Airport and Seattle.

  • How much time can I save by choosing a different layover airport from Chicago Midway Airport to Seattle?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 7h 14m, compared with 8h 28m via Detroit Metropolitan Wayne County (DTW) and 14h 31m via Denver Intl (DEN).

  • What is the time difference between Chicago Midway Airport and Seattle?

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

  • What popular places can I visit in Seattle?

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

  • Which airlines offer extra legroom and free seat selection on Chicago Midway Airport to Seattle flights?

    Among airlines operating Chicago Midway Airport to Seattle flights:

    • Southwest: offers free seat selection

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

  • Which airlines include bags at no extra cost on Chicago Midway Airport to Seattle flights?

    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 always check the fare details before booking.

Your guide to booking Chicago Midway Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Wednesday. On this route, Friday flights average $297, about $80 less than Wednesday fares (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 59% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago Midway Airport to Seattle trip for March. Fares historically average $234 round-trip in that month - typically $282 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Prefer to fly direct from Chicago Midway Airport to Seattle?

 
Find which airlines fly direct from Chicago Midway Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Chicago Midway to Seattle/Tacoma Intl

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Tuesday

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Wednesday

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Thursday

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Friday

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Saturday

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Sunday

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See more direct flights

Direct returns

Seattle/Tacoma Intl to Chicago Midway

Monday

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Tuesday

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Wednesday

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Thursday

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Friday

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Saturday

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Sunday

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See more direct flights

More options for your flight from Midway to Seattle

Complete your trip to Seattle with a hotel stay or car rental