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$100+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — SEA
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 Tuesday and return on a Friday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Southwest)

One-way from

$100
(Southwest)

Popular in

July

Cheapest in

January

Average price

$330

Good round-trip deal

$337 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Chicago Midway-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago Midway-Seattle/Tacoma Intl flights.
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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. 21% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Southwest deal was found by Cheapflights users on 3/23. 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.
Wed 7/29:30 pmMDW - SEA
Nonstop4h 35mSouthwest
Wed 7/910:55 pmSEA - MDW
Nonstop4h 05mSouthwest
Deal found 3/23$184
This Frontier deal was found by Cheapflights users on 3/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:50 pmMDW - SEA
1 stop14h 45mFrontier
Mon 4/217:51 pmSEA - MDW
1 stop13h 30mFrontier
Deal found 3/24$278
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:16 pmMDW - SEA
1 stop6h 35mDelta
Fri 5/911:50 pmSEA - MDW
1 stop6h 50mDelta
Deal found 3/25$437

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 March 25, 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

Wed 4/23

2:20 pm-4:50 pm

Nonstop4h 30m

Seattle/Tacoma Intl

Wed 4/30

6:00 am-12:10 pm

Nonstop4h 10m

$209

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 4/18

8:50 pm-9:35 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 4/21

7:51 pm-11:21 am

1 stop13h 30m

$278

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Tue 5/6

9:20 am-2:27 pm

1 stop7h 07m

Seattle/Tacoma Intl

Tue 5/13

9:50 am-6:45 pm

1 stop6h 55m

$437

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Tue 4/29

2:20 pm-11:50 pm

1 stop11h 30m

$100

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Tue 4/1

7:25 am-2:16 pm

1 stop8h 51m

$139

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 5/9

10:59 am-12:10 am

3 stops39h 11m

$165

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Tue 4/22

10:20 am-8:50 pm

1 stop12h 30m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Midway to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Midway to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago Midway Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago Midway Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago Midway Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago Midway Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago Midway Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 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 $411). 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 March 25, 2025.

It’s typically best to fly out from Chicago Midway Airport to Seattle in the morning. Doing so could potentially save you 48% 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 March 23, 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 March 25, 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
4,272 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,273 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 1 inbound flight 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 $209, was found to be the cheapest airline from Chicago Midway Airport to Seattle.Alternate airlines to your destination round-trip include Frontier and Delta. Users have found that Southwest is 41% 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 $100. 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 $114. On average you can expect to pay $343. The most popular route, (Chicago Midway - Seattle/Tacoma Intl), can usually be booked for $184.

  • 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 $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Issaquah
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$142Average$259FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$197Average$408FlexibilityNo cancel feeOn-time63%
DeltaCheapest$209Average$436FlexibilityNo cancel feeOn-timeN/A
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