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

Southwest, at $189, 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 47% cheaper than the other options available to this destination.

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.

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).

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 $231. The most popular route, (Chicago Midway - Seattle/Tacoma Intl), can usually be booked for $189.

What are the most popular airlines that fly from Chicago Midway Airport to Seattle?

When booking a flight from Chicago Midway Airport to Seattle, you may want to consider flying on Delta, Frontier or Southwest as they are the most popular for this route.

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

Users have found that flying from Chicago Midway Airport to Seattle on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Users have found that booking a flight from Chicago Midway Airport to Seattle at least 61 days early can save you up to 129% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Chicago Midway Airport to Seattle for as little as $368 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $590 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Seattle. Flights to Seattle from Chicago Midway Airport in February are about $278 on average during February, but can be found for as low as $138.

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.

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.

$95+ Flights from Chicago Midway Airport to Seattle

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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

Round-trip from	$189 (Southwest)
One-way from	$95 (Southwest)
Popular in	July
Cheapest in	January
Average price	$518
Good round-trip deal	$197 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. 18% potential increase in price ($81 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 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 julio 3, 2025.

mar. 8/199:05 pmMDW - SEA

Nonstop4h 30mSouthwest

mar. 8/265:35 amSEA - MDW

Nonstop3h 55mSouthwest

Deal found 7/1

$189

lun. 8/1812:35 pmMDW - SEA

1 stop8h 24mFrontier

lun. 8/256:17 amSEA - MDW

1 stop16h 07mFrontier

Deal found 7/2

$191

Best flights from Midway to Seattle
Discover carefully curated flight deals from Midway to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

mar. 8/199:05 pmMDW - SEA

Nonstop4h 30mSouthwest

mar. 8/265:35 amSEA - MDW

Nonstop3h 55mSouthwest

Deal found 7/1

$189

lun. 8/1812:35 pmMDW - SEA

1 stop8h 24mFrontier

lun. 8/256:17 amSEA - MDW

1 stop16h 07mFrontier

Deal found 7/2

$191

Last-minute flights from Midway to Seattle
Discover last-minute flight deals from Midway to Seattle. Data last updated julio 3, 2025 and is based on user searches.

mar. 7/81:09 pmMDW - SEA

1 stop6h 42mDelta

mar. 7/811:50 pmSEA - MDW

1 stop6h 54mDelta

Deal found 7/1

$477

sáb. 7/122:44 pmMDW - SEA

1 stop10h 58mFrontier

jue. 7/246:25 amSEA - MDW

1 stop12h 29mFrontier

Deal found 7/2

$316

dom. 7/1310:25 pmMDW - SEA

Nonstop4h 30mSouthwest

jue. 7/1710:55 pmSEA - MDW

Nonstop4h 05mSouthwest

Deal found 7/1

$389

lun. 8/1812:35 pmMDW - SEA

1 stop8h 24mFrontier

lun. 8/256:17 amSEA - MDW

1 stop16h 07mFrontier

Deal found 7/2

$191

mar. 8/199:05 pmMDW - SEA

Nonstop4h 30mSouthwest

mar. 8/265:35 amSEA - MDW

Nonstop3h 55mSouthwest

Deal found 7/1

$189

One-way flights from Midway to Seattle
Search for one-way flight options from Midway to Seattle. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

sáb. 9/278:25 amMDW - SEA

Nonstop4h 30mSouthwest

Deal found 7/3

$95

vie. 8/1512:35 pmMDW - SEA

1 stop8h 24mFrontier

Deal found 7/2

$100

Cheapflights Fare Finder

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

mar. 8/19

9:05 pm-11:35 pm

Nonstop4h 30m

Seattle/Tacoma Intl

mar. 8/26

5:35 am-11:30 am

Nonstop3h 55m

$189

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

lun. 8/18

12:35 pm-6:59 pm

1 stop8h 24m

Seattle/Tacoma Intl

lun. 8/25

6:17 am-12:24 am

1 stop16h 07m

$191

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

sáb. 9/27

8:25 am-10:55 am

Nonstop4h 30m

$95

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

vie. 8/22

6:31 pm-12:34 am

1 stop8h 03m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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?

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 $390). 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?

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?

Travelers seeking maximum savings on their Chicago Midway Airport to Seattle flight should consider departing on Thursday 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.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Southwest and Frontier from Chicago Midway Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,266 reviews

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

4,266 reviews

Southwest

8.0

Very good

4,266 reviews

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

5.9

Fair

3,286 reviews

Southwest

8.0

Very good

4,266 reviews

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

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 $189, 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 47% cheaper than the other options available to this destination.
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 $231. The most popular route, (Chicago Midway - Seattle/Tacoma Intl), can usually be booked for $189.
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 $390). 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.

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Other flights to Seattle

Top 3 airlines flying from Midway to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$142	Average$270	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$197	Average$418	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$203	Average$436	FlexibilityNo cancel fee	On-timeN/A

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$95+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Midway to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Midway to Seattle

Cheapest flights from Midway to SeattleExplore 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 julio 3, 2025.

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 julio 3, 2025.

Cheapflights Fare Finder

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

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.

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 27, 2025.

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

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 julio 3, 2025.

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 29, 2025.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Southwest and Frontier from Chicago Midway Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

How can I find direct flights from Midway to Seattle?

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

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

Traveling to a place near Chicago Midway Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Midway to Seattle

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Top 3 airlines flying from Midway to Seattle

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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 julio 3, 2025.