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Cheap flights from Chicago Midway Airport to Seattle from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago Midway Airport to Seattle departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
10:35 am - 1:15 pm
MDW
-
SEA
4h 40mnonstop
Southwest Logo
6:45 am - 12:40 pm
SEA
-
MDW
3h 55mnonstop
$177Southwest
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
12:50 pm - 4:29 pm
MDW
-
SEA
29h 39m1 stop
Frontier Logo
12:34 pm - 3:49 pm
SEA
-
MDW
25h 15m2 stops
$180Frontier
Sun, Jan 11 - Sun, Jan 25
Frontier Logo
8:58 pm - 12:01 pm
MDW
-
SEA
17h 03m2 stops
Frontier Logo
12:00 pm - 11:54 pm
SEA
-
MDW
9h 54m1 stop
$183Frontier
Fri, Feb 20 - Mon, Feb 23
Southwest Logo
5:35 pm - 10:30 pm
MDW
-
SEA
6h 55m1 stop
Southwest Logo
6:45 am - 12:40 pm
SEA
-
MDW
3h 55mnonstop
$187Southwest
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
8:58 pm - 10:17 am
MDW
-
SEA
15h 19m1 stop
Frontier Logo
12:00 pm - 11:54 pm
SEA
-
MDW
9h 54m1 stop
$190Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
12:50 pm - 4:29 pm
MDW
-
SEA
29h 39m1 stop
Frontier Logo
12:34 pm - 3:58 pm
SEA
-
MDW
49h 24m2 stops
$191Frontier
Thu, Jan 8 - Fri, Jan 30
Southwest Logo
8:05 am - 5:40 pm
MDW
-
SEA
11h 35m1 stop
Southwest Logo
6:45 am - 12:40 pm
SEA
-
MDW
3h 55mnonstop
$192Southwest
Fri, Jan 16 - Sun, Jan 18
Southwest Logo
10:05 am - 5:50 pm
MDW
-
SEA
9h 45m1 stop
Southwest Logo
9:55 am - 7:55 pm
SEA
-
MDW
8h 00m1 stop
$196Southwest
Thu, Jan 8 - Wed, Jan 14
Southwest Logo
10:35 am - 1:15 pm
MDW
-
SEA
4h 40mnonstop
Southwest Logo
6:45 am - 12:40 pm
SEA
-
MDW
3h 55mnonstop
$197Southwest
Thu, Jan 8 - Wed, Jan 14
Southwest Logo
10:05 am - 5:50 pm
MDW
-
SEA
9h 45m1 stop
Southwest Logo
5:15 am - 5:00 pm
SEA
-
MDW
9h 45m2 stops
$202Southwest
Wed, Jan 7 - Thu, Jan 15

Southwest flights from Chicago Midway Airport to Seattle

Our best Southwest deals on Chicago Midway Airport to Seattle flight tickets
Southwest
Jan 8
MDW10:35 amChicago Midway
4h 40m
SEA1:15 pmSeattle/Tacoma Intl
Jan 12
SEA6:45 amSeattle/Tacoma Intl
3h 55m
MDW12:40 pmChicago Midway
$177
Find similar
Southwest
Jan 8
MDW10:35 amChicago Midway
4h 40m
SEA1:15 pmSeattle/Tacoma Intl
Jan 14
SEA5:15 amSeattle/Tacoma Intl
7h 30m
1 stop
MDW2:45 pmChicago Midway
$187
Find similar
Southwest
Jan 16
MDW8:05 amChicago Midway
11h 35m
1 stop
SEA5:40 pmSeattle/Tacoma Intl
Jan 17
SEA10:45 amSeattle/Tacoma Intl
4h 00m
MDW4:45 pmChicago Midway
$192
Find similar

Frontier flights from Chicago Midway Airport to Seattle

Our best Frontier deals on Chicago Midway Airport to Seattle flight tickets
Frontier
Jan 11
MDW12:50 pmChicago Midway
29h 39m
1 stop
SEA4:29 pmSeattle/Tacoma Intl
Jan 25
SEA12:34 pmSeattle/Tacoma Intl
25h 15m
2 stops
MDW3:49 pmChicago Midway
$180
Find similar
Frontier
Feb 20
MDW8:58 pmChicago Midway
17h 03m
2 stops
SEA12:01 pmSeattle/Tacoma Intl
Feb 23
SEA12:00 pmSeattle/Tacoma Intl
9h 54m
1 stop
MDW11:54 pmChicago Midway
$183
Find similar
Frontier
Feb 20
MDW8:58 pmChicago Midway
15h 19m
1 stop
SEA10:17 amSeattle/Tacoma Intl
Feb 23
SEA12:00 pmSeattle/Tacoma Intl
9h 54m
1 stop
MDW11:54 pmChicago Midway
$190
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Midway Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Thu 1/8

10:35 am-1:15 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Mon 1/12

6:45 am-12:40 pm

Nonstop3h 55m

$177

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Sun 1/11

12:50 pm-4:29 pm

1 stop29h 39m

Seattle/Tacoma Intl

Sun 1/25

12:34 pm-3:49 pm

2 stops25h 15m

$180

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 2/20

8:58 pm-12:01 pm

2 stops17h 03m

Seattle/Tacoma Intl

Mon 2/23

12:00 pm-11:54 pm

1 stop9h 54m

$183

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Thu 1/8

5:35 pm-10:30 pm

1 stop6h 55m

Seattle/Tacoma Intl

Wed 1/14

6:45 am-12:40 pm

Nonstop3h 55m

$187

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 2/20

8:58 pm-10:17 am

1 stop15h 19m

Seattle/Tacoma Intl

Mon 2/23

12:00 pm-11:54 pm

1 stop9h 54m

$190

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Thu 1/8

12:50 pm-4:29 pm

1 stop29h 39m

Seattle/Tacoma Intl

Fri 1/30

12:34 pm-3:58 pm

2 stops49h 24m

$191

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 1/16

8:05 am-5:40 pm

1 stop11h 35m

Seattle/Tacoma Intl

Sun 1/18

6:45 am-12:40 pm

Nonstop3h 55m

$192

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Thu 1/8

10:05 am-5:50 pm

1 stop9h 45m

Seattle/Tacoma Intl

Wed 1/14

9:55 am-7:55 pm

1 stop8h 00m

$196

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Thu 1/8

10:35 am-1:15 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 1/14

6:45 am-12:40 pm

Nonstop3h 55m

$197

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Wed 1/7

10:05 am-5:50 pm

1 stop9h 45m

Seattle/Tacoma Intl

Thu 1/15

5:15 am-5:00 pm

2 stops9h 45m

$202

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 cheapest month to fly to Seattle?

In general, January 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 $203. If you don’t want to visit Seattle in January, then you should wait until August to fly from Chicago Midway Airport, when ticket prices are also cheap, with an average price of $258.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $330. 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 $443.

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 $319 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $368. Departure times in the morning 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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Chicago Midway Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Chicago Midway Airport for as low as $207 on momondo.

What cabin class options are available on Chicago Midway to Seattle/Tacoma Intl flights?

There is only 1 cabin class available to choose from on Chicago Midway to Seattle/Tacoma Intl 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 47% on your flight if you consider stops on a Chicago Midway Airport to Seattle flight.

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

$338

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 $338. The best round-trip flight deal from Chicago Midway Airport to Seattle found on momondo in the last 72 hours is $157.
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

  • 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
FrontierPriceFrom $142Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
DeltaPriceFrom $169Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SouthwestPriceFrom $194Free CancellationRating
7.9
4,249 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 4,249 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Chicago Midway Airport to Seattle in the last 72 hours was $194 (round-trip), much lower than the average airfare cost of $412 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
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Centralia
Westport
Kirkland
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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