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Cheap flights from Chicago Midway Airport to Seattle from $149

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago Midway Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
1:20 pm - 10:50 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
11h 30m2 stops Detroit Metropolitan Wayne County Denver Intl
Southwest Logo
6:10 am - 5:05 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
8h 55m2 stops Denver Intl Birmingham
$267Southwest
Thu, Dec 3 - Wed, Dec 9
Southwest Logo
1:20 pm - 10:50 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
11h 30m2 stops Detroit Metropolitan Wayne County Denver Intl
Southwest Logo
6:10 am - 5:05 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
8h 55m2 stops Denver Intl Birmingham
$267Southwest
Thu, Dec 3 - Mon, Dec 7
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
Thu, Nov 26 - Thu, Dec 3
Southwest Logo
10:15 am - 8:45 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
12h 30m2 stops Wichita Eisenhower National Phoenix Sky Harbor Intl
Southwest Logo
8:15 pm - 5:55 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
7h 40m1 stop Oakland
$268Southwest
Fri, Dec 11 - Mon, Dec 14
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
Thu, Nov 26 - Thu, Dec 3
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
$272Southwest
Wed, Nov 25 - Wed, Dec 2
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
Wed, Dec 16 - Tue, Jan 12
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
Thu, Nov 26 - 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
8:25 am - 4:50 pmSEA  Seattle/Tacoma Intl-MDW Chicago Midway
6h 25m1 stop Minneapolis St Paul
$317Delta
Thu, Dec 3 - Sat, Dec 5
Delta Logo
5:30 pm - 11:53 pmMDW  Chicago Midway-SEA Seattle/Tacoma Intl
8h 23m1 stop Minneapolis St Paul
Delta Logo
11:59 pm - 11:01 amSEA  Seattle/Tacoma Intl-MDW Chicago Midway
9h 02m1 stop Minneapolis St Paul
$347Delta
Wed, Dec 16 - Wed, Dec 30

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Southwest flights from Chicago Midway Airport to Seattle

Our best Southwest deals on Chicago Midway Airport to Seattle flight tickets
Southwest
Dec 3
MDW1:20 pmChicago Midway
11h 30m
2 stops
SEA10:50 pmSeattle/Tacoma Intl
Dec 9
SEA6:10 amSeattle/Tacoma Intl
8h 55m
2 stops
MDW5:05 pmChicago Midway
$267
Southwest
Nov 26
MDW10:15 amChicago Midway
4h 45m
SEA1:00 pmSeattle/Tacoma Intl
Dec 3
SEA4:40 pmSeattle/Tacoma Intl
11h 05m
2 stops
MDW5:45 amChicago Midway
$268
Southwest
Nov 26
MDW10:15 amChicago Midway
4h 45m
SEA1:00 pmSeattle/Tacoma Intl
Dec 3
SEA7:00 amSeattle/Tacoma Intl
13h 00m
1 stop
MDW10:00 pmChicago Midway
$269

Delta flights from Chicago Midway Airport to Seattle

Our best Delta deals on Chicago Midway Airport to Seattle flight tickets
Delta
Nov 14
MDW9:30 amChicago Midway
7h 20m
1 stop
SEA2:50 pmSeattle/Tacoma Intl
Nov 22
SEA6:00 amSeattle/Tacoma Intl
8h 39m
1 stop
MDW4:39 pmChicago Midway
$492
Delta
Nov 16
MDW5:29 pmChicago Midway
8h 28m
1 stop
SEA11:57 pmSeattle/Tacoma Intl
Nov 19
SEA11:47 pmSeattle/Tacoma Intl
7h 03m
1 stop
MDW8:50 amChicago Midway
$500
Delta
Nov 7
MDW6:04 amChicago Midway
9h 39m
1 stop
SEA1:43 pmSeattle/Tacoma Intl
Nov 25
SEA11:47 pmSeattle/Tacoma Intl
8h 38m
1 stop
MDW10:25 amChicago Midway
$502

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago Midway Airport to Seattle that are best for you.

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Route

Depart

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Price

Cheapest round-trip

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Thu 12/3

1:20 pm-10:50 pm

2 stops11h 30m

Seattle/Tacoma Intl

Wed 12/9

6:10 am-5:05 pm

2 stops8h 55m

$267

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Thu 12/3

1:20 pm-10:50 pm

2 stops11h 30m

Seattle/Tacoma Intl

Mon 12/7

6:10 am-5:05 pm

2 stops8h 55m

$267

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Thu 11/26

10:15 am-1:00 pm

Nonstop4h 45m

Seattle/Tacoma Intl

Thu 12/3

4:40 pm-5:45 am

2 stops11h 05m

$268

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Fri 12/11

10:15 am-8:45 pm

2 stops12h 30m

Seattle/Tacoma Intl

Mon 12/14

8:15 pm-5:55 am

1 stop7h 40m

$268

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Thu 11/26

10:15 am-1:00 pm

Nonstop4h 45m

Seattle/Tacoma Intl

Thu 12/3

7:00 am-10:00 pm

1 stop13h 00m

$269

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Wed 11/25

10:30 pm-1:20 am

Nonstop4h 50m

Seattle/Tacoma Intl

Wed 12/2

4:40 pm-5:45 am

2 stops11h 05m

$272
Quickest round-trip

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Wed 12/16

1:20 pm-10:20 pm

2 stops11h 00m

Seattle/Tacoma Intl

Tue 1/12

10:35 am-4:35 pm

Nonstop4h 00m

$272

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Thu 11/26

10:15 am-1:00 pm

Nonstop4h 45m

Seattle/Tacoma Intl

Wed 12/2

4:40 pm-5:45 am

2 stops11h 05m

$272

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Thu 12/3

1:41 pm-10:03 pm

1 stop10h 22m

Seattle/Tacoma Intl

Sat 12/5

8:25 am-4:50 pm

1 stop6h 25m

$317

ChicagoSeattle

MDW Chicago Midway - SEA Seattle/Tacoma Intl

MDWSEA

Chicago Midway

Wed 12/16

5:30 pm-11:53 pm

1 stop8h 23m

Seattle/Tacoma Intl

Wed 12/30

11:59 pm-11:01 am

1 stop9h 02m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Chicago Midway Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago Midway Airport and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $374 to $577.
The lowest price recently found on this route was $267.

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Chicago Midway Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $267. If you don’t want to visit Seattle in March, then you should wait until April to fly from Chicago Midway Airport, when ticket prices are also cheap, with an average price of $297.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Chicago Midway Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $394. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Chicago Midway Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $466.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Chicago Midway Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $383 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $442. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago Midway to Seattle/Tacoma Intl flight route?

Fly from Chicago Midway to Seattle/Tacoma Intl for the best Chicago Midway - Seattle/Tacoma Intl flight prices

What cabin class options are available on Chicago Midway Airport to Seattle flights?

There is only 1 cabin class available to choose from on Chicago Midway Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago Midway Airport to Seattle flights?

You could potentially save up to 29% on your flight if you consider stops on a Chicago Midway Airport to Seattle flight.

How have Chicago Midway Airport to Seattle flight prices changed over time?

As of November 2026, prices for Chicago Midway Airport to Seattle flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Chicago Midway Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago Midway Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago Midway Airport to Seattle (MDW to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago Midway Airport to Seattle

Best Price Found

$149

Fastest flight time

4h 30m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Chicago Midway Airport in the past 72 hours is $149. The best round-trip flight deal from Chicago Midway Airport to Seattle found on momondo in the last 72 hours is $267.
The fastest flight from Chicago Midway Airport to Seattle takes 4h 30m
Direct flights go from Chicago Midway Airport to Seattle every day.
There is 1 airport in Seattle. From Chicago Midway Airport there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Chicago Midway Airport to Seattle

  • How far is Chicago Midway to Seattle/Tacoma Intl by plane?

    There are 1729.4 mi between Chicago Midway and Seattle/Tacoma Intl. 4h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago Midway Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Chicago Midway Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago Midway Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Chicago Midway Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago Midway Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago Midway Airport to Seattle?

  • What is the most popular airline from Chicago Midway Airport to Seattle?

Best airlines flying from Chicago Midway Airport to Seattle

Compare and see reviews for airlines that fly from Chicago Midway Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $233Free CancellationRating
8.0
4,215 reviews
Search Southwest flights

  • Southwest Flights From Chicago Midway Airport to Seattle

    Southwest flies from Chicago Midway Airport to Seattle around 1 time per week, with 4,215 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Chicago Midway Airport to Seattle in the last 72 hours was $233 (round-trip), much lower than the average airfare cost of $390 for Southwest flights on this route.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Kent
Olympia
Federal Way
Redmond
Lakewood
Lynnwood
Fife
Puyallup
Tukwila
Cle Elum
Marysville
Lacey
Kirkland
Centralia
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Seattle?

Finding the right flight to Seattle from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Chicago to Seattle with flexible booking policies on momondo?

Flights from Chicago to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Seattle?

Once all potential Chicago to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Seattle trip

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