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$88+ Cheap flights from Midway (MDW) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago Midway to Seattle/Tacoma Intl are usually found in January or October, booked 58 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Midway to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Midway (MDW) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$174
(Southwest)

One-way from

$88
(Southwest)

Popular in

July

Cheapest in

January

Average price

$497

Good round-trip deal

$249 or less

Good one-way deal

$114 or less
From Chicago Midway to Seattle/Tacoma Intl
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One-way flight from Chicago Midway to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 22% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Chicago Midway to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Chicago Midway to Seattle/Tacoma Intl.
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Find flight deals from Midway to Seattle

Cheapest flights from Midway to Seattle
Explore the most affordable flight options available from Midway to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/61:35 pmMDW - SEA
1 stop9h 25mSouthwest
mar. 9/166:45 amSEA - MDW
2 stops10h 30mSouthwest
Deal found 6/11$174
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/44:29 pmMDW - SEA
1 stop29h 10mFrontier
lun. 9/156:00 amSEA - MDW
1 stop14h 38mFrontier
Deal found 6/12$270

Cheapflights Fare Finder

Customize your flight search to find flights from Midway 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, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to Seattle that are best for you.

Fly from

Midway

Fly to

Seattle

Route

Depart

Return

Price

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

sáb. 9/6

1:35 pm-9:00 pm

1 stop9h 25m

Seattle/Tacoma Intl

mar. 9/16

6:45 am-7:15 pm

2 stops10h 30m

$174

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

jue. 9/4

4:29 pm-7:39 pm

1 stop29h 10m

Seattle/Tacoma Intl

lun. 9/15

6:00 am-10:38 pm

1 stop14h 38m

$270

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

vie. 8/22

11:45 am-4:45 pm

1 stop7h 00m

$88

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

lun. 8/18

12:35 pm-6:59 pm

1 stop8h 24m

$123

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

vie. 7/4

6:25 am-3:03 pm

1 stop10h 38m

$153

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

mar. 8/5

1:46 pm-11:56 pm

1 stop12h 10m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Midway to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Midway with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago Midway Airport to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Midway to Seattle. Price data was last updated on June 9, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago Midway Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago Midway Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Chicago Midway Airport to Seattle (average of $238). Flying from Chicago Midway Airport to Seattle in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MDW to SEA?

Find hourly flight availability from Midway to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

It’s typically best to fly out from Chicago Midway Airport to Seattle in the evening. Doing so could potentially save you 44% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Midway to Seattle. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Chicago Midway Airport to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated junio 12, 2025.
Read reviews from past customers who have flown Southwest, Delta and Frontier from Chicago to Seattle. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
6.0
Okay
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Midway to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Chicago Midway?

    For a flight from Chicago Midway to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 2 inbound flights from Chicago Midway per day. 3 airlines have flights to Seattle/Tacoma Intl from Chicago Midway on a regular basis.

  • What are the cheapest airlines flying from Chicago Midway Airport to Seattle round-trip?

    Southwest, at $174, was found to be the cheapest airline from Chicago Midway Airport to Seattle. An alternate airline flying to your destination would be Frontier. Users have found that Southwest is 53% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago Midway Airport to Seattle one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Chicago Midway Airport to Seattle for a low price.

  • What are the cheapest flights from Chicago Midway Airport to Seattle?

    The cheapest flight price from Chicago Midway Airport to Seattle is $84. On average you can expect to pay $278. The most popular route, (Chicago Midway - Seattle/Tacoma Intl), can usually be booked for $117.

  • Can I find deals for flights from Midway to Seattle that include hotel bookings?

    Yes. In addition to deals on Midway to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Midway to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Seattle.

  • Can I find deals for business class flights from Midway to Seattle?

    Yes. Cheapflights offers flight deals from Midway to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from Chicago Midway Airport to Seattle (average of $238). Flying from Chicago Midway Airport to Seattle in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago Midway Airport?

Book flights to Chicago Midway Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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Top 3 airlines flying from Midway to Seattle

Discover the top 3 airlines that operate flights from Midway to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$142Average$278FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$199Average$429FlexibilityNo cancel feeOn-time63%
DeltaCheapest$203Average$436FlexibilityNo cancel feeOn-timeN/A

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