MDW - SEA

$118 Find Cheap Flights from Chicago Midway Airport to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Midway to Seattle departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Seattle, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$217
Overall average: $436
Southwest
Thu 5/14Tue 5/19
MDW - SEA • Non-stop
Cheapest one-way
$117
Typical prices: $161-$256
Frontier
Mon 4/20
MDW - SEA • 2 stops
Top airlines
Southwest
Cheapest • from $237 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 4h 32m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 56% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
March
Cheapest • 35% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Midway to Seattle (MDW-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Midway to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Midway to Seattle

Thu, May 14 - Tue, May 19
Southwest Logo
9:35 pm - 12:05 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
11:45 pm - 5:45 am
SEA
-
MDW
4h 00mnonstop
$217Southwest
Thu, May 14 - Tue, May 19
Southwest Logo
9:35 pm - 12:05 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
6:40 pm - 6:00 am
SEA
-
MDW
9h 20m
1 stop
$227Southwest
Thu, May 14 - Tue, May 19
Southwest Logo
9:35 pm - 12:05 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
6:50 am - 4:55 pm
SEA
-
MDW
8h 05m
2 stops
$232Southwest
Thu, Apr 16 - Wed, Apr 22
Southwest Logo
9:35 pm - 12:05 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
6:00 am - 12:00 pm
SEA
-
MDW
4h 00mnonstop
$237Southwest
Tue, Apr 14 - Sun, Apr 19
Southwest Logo
9:40 pm - 12:10 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
11:55 pm - 5:55 am
SEA
-
MDW
4h 00mnonstop
$246Southwest
Thu, Apr 16 - Wed, Apr 22
Southwest Logo
9:35 pm - 12:05 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
6:40 pm - 6:00 am
SEA
-
MDW
9h 20m
1 stop
$247Southwest
Fri, May 15 - Tue, May 19
Southwest Logo
6:40 am - 5:20 pm
MDW
-
SEA
12h 40m
1 stop
Southwest Logo
6:50 am - 4:55 pm
SEA
-
MDW
8h 05m
2 stops
$248Southwest
Fri, Apr 24 - Sat, May 2
Southwest Logo
9:35 pm - 12:05 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
5:45 am - 3:15 pm
SEA
-
MDW
7h 30m
2 stops
$252Southwest
Fri, May 15 - Mon, May 18
Southwest Logo
6:40 am - 5:20 pm
MDW
-
SEA
12h 40m
1 stop
Southwest Logo
11:55 pm - 5:55 am
SEA
-
MDW
4h 00mnonstop
$253Southwest
Wed, Apr 15 - Wed, Apr 22
Southwest Logo
9:40 pm - 12:10 am
MDW
-
SEA
4h 30mnonstop
Southwest Logo
6:40 pm - 6:00 am
SEA
-
MDW
9h 20m
1 stop
$256Southwest
Booking Insights

KAYAK's insights & trends for Midway to Seattle flights

Get data-powered insights and trends into flights from Midway to Seattle to help you find the cheapest flights, the best time to fly and much more.

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

The average price of all round-trip flights from Chicago Midway Airport to Seattle clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Seattle on a Saturday and more expensive on a Tuesday. On your return trip to Chicago Midway Airport, you should consider flying back on a Tuesday, and avoid Sundays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago Midway Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago Midway Airport to Seattle is March, where tickets cost $267 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $564 and $532 respectively.

Can I save money by flying with a layover from Chicago Midway Airport to Seattle?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $297, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Chicago Midway Airport to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago Midway Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago Midway Airport to Seattle, you should book around 3 weeks before departure, which saves you about 56% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Find deals

Good to know

Low seasonDecember
Cheapest flight$117
Best time to beat the crowds but there is an average 37% increase in price.
Most popular time to fly with an average 2% increase in price.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago Midway Airport to Seattle flights

  • What is the cheapest flight from Chicago Midway Airport to Seattle?

    In the last 3 days, the lowest price for a flight from Chicago Midway Airport to Seattle was $117 for a one-way ticket and $237 for a round-trip.

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

    No

  • Which airlines offer Wi-Fi service onboard planes from Chicago Midway Airport to Seattle?

    American Airlines, Alaska Airlines, Delta, and Hawaiian Airlines offer inflight Wi-Fi service on the Chicago Midway Airport to Seattle flight route.

  • Which aircraft models fly most regularly from Chicago Midway Airport to Seattle?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Chicago Midway Airport to Seattle flight route.

  • On which days can I fly direct from Chicago Midway Airport to Seattle?

    There are nonstop flights from Chicago Midway Airport to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Chicago Midway Airport to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago Midway Airport to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago Midway Airport to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Chicago Midway Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago Midway Airport to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Chicago Midway Airport with another airline. Booking your flights between Chicago Midway Airport and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago Midway Airport to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Chicago Midway Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago Midway Airport to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $117 or less one-way and $235 or less round-trip.

Prefer to fly direct from Chicago Midway Airport to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago Midway to Seattle/Tacoma Intl.
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

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Seattle/Tacoma Intl to Chicago Midway

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top airline flying from Midway to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Midway to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4320 reviews
8.1Boarding
7.0Food
7.5Entertainment
8.0Comfort
8.6Crew
Airline reviews

We had a 5 hour delay on the tarmac in Baltimore

2.0 MediocreDavid, Mar 2026
ALB - BWI
Read more Southwest reviews

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

No food or entertainment, just a quick 40 minute flight. A little bumpy due to Santa Ana winds but pilot has no control over that. Good flight and landing!

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

I realize they are still working out kinks with the new boarding process, but by the time I boarded in group 5, most of the bins were full. All airlines should better enforce small bags and jackets going under the seats until everyone has boarded.

WiFi was not working and didn’t have a beverage service

Snacks are always pretzels. Why can't you also offer peanuts ?

Everything you need to know for your flight from Midway to Seattle

Information on your arrival and departure airports

Chicago Midway Airport (MDW)
Seattle (SEA)