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Cheap flights from Seattle (SEA) to Chicago (CHI) from $65

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 5/18. 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.
SEA — CHI
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Chicago are usually found in January or October, booked 82 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Seattle to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Chicago (CHI). 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 April 27, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$222

One-way from

$100
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 32% potential price drop
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From Seattle/Tacoma Intl to Chicago (CHI)
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One-way flight from Seattle/Tacoma Intl to Chicago (CHI)
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What is the cheapest day to fly round-trip from Seattle to Chicago?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Chicago. Check prices with Cheapflights to find a great deal for your trip.

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

Users have found that booking a flight from Seattle to Chicago at least 39 days early can save you up to 73% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from Seattle to Chicago for as little as $296 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 $575 for flights departing within the next 3 days.

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

The best pricing can be found in the month of January. Prices to Chicago from Seattle average $306. You can even find prices in January for less than $306, as users have found deals to Chicago from as low as $99. The month of July appears to be one of the more expensive times to travel to Chicago from Seattle. Flying in the targeted month can save you up to 30%.

When is the cheapest time to fly from Seattle to Chicago (SEA - CHI)?

It’s typically best to fly out from Seattle to Chicago in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Sun Country Air flights from Seattle to Chicago

Explore cheap flight options specifically provided by Sun Country Air for the route between Seattle and Chicago. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Find some of the cheapest Sun Country Air flights traveling from Seattle to Chicago. Deals update often to give you more flight options matching your criteria
Wed 6/1211:20 amSEA - ORD
1 stop5h 46mSun Country Air
Sun 6/166:25 amORD - SEA
1 stop12h 30mSun Country Air
Deal found 4/26$201
Thu 6/69:14 amSEA - ORD
1 stop6h 21mSun Country Air
Fri 6/148:05 pmORD - SEA
1 stop14h 57mSun Country Air
Deal found 4/26$221
Mon 6/109:07 amSEA - ORD
1 stop7h 59mSun Country Air
Mon 6/248:05 pmORD - SEA
1 stop16h 57mSun Country Air
Deal found 4/26$292

  • Sun Country Air is one of the most popular airlines used for those traveling from Seattle to Chicago. Flights on this route from Sun Country Air typically cost $433.36 RT, a price that is 46% more expensive than the average Seattle to Chicago flight. The cheapest flight found was $98 RT. The most popular departure airport in Seattle when flying to Chicago is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting Chicago is Chicago O'Hare Intl Airport. When flying from Seattle to Chicago, Sun Country Air flights are 11% more popular than any other airline flying that same route.

Cheap Frontier flights from Seattle to Chicago

Explore cheap flight options specifically provided by Frontier for the route between Seattle and Chicago. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Some of the lowest-priced Frontier flights we've found at this time heading from Seattle to Chicago. Make sure to examine the flight information before completing your reservation.
Sat 5/112:55 pmSEA - MDW
1 stop15h 36mFrontier
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$117
Sat 5/119:32 pmSEA - ORD
1 stop25h 24mFrontier
Sat 5/185:56 pmORD - SEA
1 stop15h 08mFrontier
Deal found 4/26$142
Mon 5/139:00 pmSEA - MDW
1 stop12h 36mFrontier
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$144
Fri 5/1010:34 pmSEA - ORD
1 stop24h 22mFrontier
Tue 5/218:00 amORD - SEA
1 stop25h 04mFrontier
Deal found 4/26$152
Tue 5/218:14 pmSEA - ORD
1 stop26h 59mFrontier
Thu 5/237:59 pmORD - SEA
1 stop26h 05mFrontier
Deal found 4/25$157
Fri 5/1010:34 pmSEA - MDW
1 stop20h 05mFrontier
Tue 5/212:45 pmMDW - SEA
1 stop18h 19mFrontier
Deal found 4/26$163
Tue 5/149:35 pmSEA - ORD
1 stop25h 21mFrontier
Sat 5/185:56 pmORD - SEA
1 stop15h 08mFrontier
Deal found 4/26$168
Wed 5/159:50 pmSEA - MDW
1 stop21h 37mFrontier
Tue 5/212:45 pmMDW - SEA
1 stop18h 19mFrontier
Deal found 4/26$169
Sat 8/177:51 pmSEA - MDW
1 stop8h 42mFrontier
Tue 8/276:00 amMDW - SEA
1 stop28h 37mFrontier
Deal found 4/26$170

  • One of the most popular airlines traveling from Seattle to Chicago is Frontier. Flights from Frontier traveling this route typically cost $309.35 RT. This price is typically 38% cheaper than other airlines that offer Seattle to Chicago flights. When booking this route, the cheapest RT price found was $99. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Chicago. Chicago O'Hare Intl Airport is the most popular arrival airport in Chicago. When flying from Seattle to Chicago, Frontier flights are 11% more popular than any other airline flying that same route.

Cheap Seattle to Chicago flights in April & May 2024

Find cheap flight options from Seattle to Chicago specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 27, 2024.
These are some of the best deals we've found on flights to Chicago in 2024 at this time. Check back soon for alternative fares.
Sat 5/112:55 pmSEA - MDW
1 stop15h 36mFrontier
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$117
Tue 5/282:20 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Tue 6/46:00 amORD - SEA
Nonstop4h 27mAlaska Airlines
Deal found 4/26$139
Sat 5/119:32 pmSEA - ORD
1 stop25h 24mFrontier
Sat 5/185:56 pmORD - SEA
1 stop15h 08mFrontier
Deal found 4/26$142
Sat 5/119:32 pmSEA - MDW
1 stop8h 59mFrontier
Sat 5/1810:01 pmMDW - SEA
1 stop11h 03mFrontier
Deal found 4/26$142
Mon 5/139:00 pmSEA - MDW
1 stop12h 36mFrontier
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$144
Wed 5/222:20 pmSEA - ORD
Nonstop4h 04mMultiple Airlines
Tue 5/2810:52 pmORD - SEA
1 stop11h 53mMultiple Airlines
Deal found 4/26$147
Fri 5/1010:34 pmSEA - ORD
1 stop24h 22mFrontier
Tue 5/218:00 amORD - SEA
1 stop25h 04mFrontier
Deal found 4/26$152
Fri 5/1710:24 pmSEA - MDW
1 stop20h 42mFrontier
Tue 5/212:45 pmMDW - SEA
1 stop18h 19mFrontier
Deal found 4/26$152
Wed 5/299:35 amSEA - ORD
1 stop10h 20mSpirit Airlines
Tue 6/47:00 amORD - SEA
2 stops15h 29mSpirit Airlines
Deal found 4/26$155

Seattle to Chicago 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Chicago in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
These are some of the best deals we've found on flights to Chicago in 2024 at this time. Check back soon for alternative fares.
Sat 5/112:55 pmSEA - MDW
1 stop15h 36mFrontier
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$117
Tue 5/285:45 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Wed 6/129:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 4/26$139
Sat 5/119:32 pmSEA - ORD
1 stop25h 24mFrontier
Sat 5/185:56 pmORD - SEA
1 stop15h 08mFrontier
Deal found 4/26$142
Sat 5/119:32 pmSEA - MDW
1 stop8h 59mFrontier
Sat 5/1810:01 pmMDW - SEA
1 stop11h 03mFrontier
Deal found 4/26$142
Tue 8/2712:55 pmSEA - ORD
1 stop9h 45mUnited Airlines
Tue 9/37:15 amORD - SEA
Nonstop4h 33mUnited Airlines
Deal found 4/26$144
Mon 5/139:00 pmSEA - MDW
1 stop12h 36mFrontier
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$144
Wed 5/222:20 pmSEA - ORD
Nonstop4h 04mMultiple Airlines
Tue 5/2810:52 pmORD - SEA
1 stop11h 53mMultiple Airlines
Deal found 4/26$147
Fri 5/1010:34 pmSEA - ORD
1 stop24h 22mFrontier
Tue 5/218:00 amORD - SEA
1 stop25h 04mFrontier
Deal found 4/26$152
Fri 5/1710:24 pmSEA - MDW
1 stop20h 42mFrontier
Tue 5/212:45 pmMDW - SEA
1 stop18h 19mFrontier
Deal found 4/26$152

Non-stop flights to Chicago from Seattle

Discover non-stop flight options from Seattle to Chicago. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
If you're seeking options on non-stop flights from Seattle to Chicago, check out these fares. Select from other flights from Seattle to Chicago by using the search form above.
Tue 5/285:45 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Wed 6/129:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 4/26$139
Wed 6/56:00 pmSEA - ORD
Nonstop4h 06mDelta
Mon 6/107:30 amORD - SEA
Nonstop4h 34mDelta
Deal found 4/26$169
Wed 5/1510:49 amSEA - ORD
Nonstop4h 06mUnited Airlines
Tue 5/217:45 pmORD - SEA
Nonstop4h 42mUnited Airlines
Deal found 4/26$186
Wed 5/2911:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Thu 6/69:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 4/26$199
Tue 5/2111:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Thu 5/236:00 amORD - SEA
Nonstop4h 27mAlaska Airlines
Deal found 4/25$203
Sat 6/86:00 pmSEA - ORD
Nonstop3h 56mDelta
Thu 6/137:30 amORD - SEA
Nonstop4h 34mDelta
Deal found 4/26$208
Fri 5/3112:14 pmSEA - ORD
Nonstop4h 15mAlaska Airlines
Fri 5/319:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 4/26$223
Fri 5/2411:59 pmSEA - ORD
Nonstop3h 58mUnited Airlines
Fri 5/317:45 pmORD - SEA
Nonstop4h 38mUnited Airlines
Deal found 4/26$228
Mon 6/32:20 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Wed 6/59:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 4/26$229

Seattle to Chicago flights leaving soon

Find last-minute flight options from Seattle to Chicago for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Chicago. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 5/15:58 pmSEA - MDW
1 stop12h 38mFrontier
Fri 5/109:16 pmMDW - SEA
1 stop14h 04mFrontier
Deal found 4/25$177
Sat 5/42:55 pmSEA - ORD
1 stop8h 01mMultiple Airlines
Tue 5/79:34 pmORD - SEA
1 stop13h 11mMultiple Airlines
Deal found 4/26$178
Wed 5/15:58 pmSEA - ORD
1 stop28h 58mFrontier
Wed 5/156:27 pmORD - SEA
1 stop16h 03mFrontier
Deal found 4/26$193
Sat 5/42:55 pmSEA - MDW
1 stop15h 36mFrontier
Tue 5/710:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 4/26$197
Sat 5/49:32 pmSEA - MDW
1 stop8h 59mFrontier
Mon 5/69:55 pmMDW - SEA
1 stop13h 49mFrontier
Deal found 4/26$198
Wed 5/15:58 pmSEA - MDW
1 stop26h 05mFrontier
Wed 5/810:59 pmMDW - SEA
1 stop19h 32mFrontier
Deal found 4/26$207
Fri 5/38:30 pmSEA - MDW
1 stop13h 06mFrontier
Sat 5/1110:30 amMDW - SEA
1 stop12h 02mFrontier
Deal found 4/26$208
Wed 5/15:58 pmSEA - MDW
1 stop12h 38mFrontier
Wed 5/1510:59 pmMDW - SEA
1 stop25h 13mFrontier
Deal found 4/26$217
Wed 5/15:58 pmSEA - ORD
1 stop28h 58mFrontier
Fri 5/106:27 pmORD - SEA
1 stop28h 05mFrontier
Deal found 4/25$218

One-way flights to Chicago from Seattle

Search for one-way flight options from Seattle to Chicago. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the best available options we've come across on one-way flights from Seattle to Chicago. For those needing a return trip from Seattle, there is a search form available above.
Sat 5/1810:08 pmSEA - MDW
1 stop11h 01mFrontier
Deal found 4/26$65
Wed 5/296:00 pmSEA - ORD
Nonstop4h 05mDelta
Deal found 4/26$70
Fri 5/108:30 pmSEA - MDW
1 stop13h 06mFrontier
Deal found 4/26$75
Tue 5/79:19 pmSEA - ORD
1 stop7h 11mSpirit Airlines
Deal found 4/26$77
Fri 5/1010:34 pmSEA - ORD
1 stop24h 22mFrontier
Deal found 4/26$79
Fri 5/1710:24 pmSEA - ORD
1 stop23h 54mFrontier
Deal found 4/26$80
Fri 5/1710:24 pmSEA - MDW
1 stop20h 42mFrontier
Deal found 4/26$80
Tue 5/149:40 pmSEA - ORD
3 stops23h 49mSpirit Airlines
Deal found 4/26$82
Sat 8/317:51 pmSEA - MDW
1 stop8h 42mFrontier
Deal found 4/26$85

Find flights from Seattle to Chicago within your budget

Customize your flight search to find flights from Seattle to Chicago 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 3,068,117 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$117 - $277

Route

Depart

Return

Price

Seattle/Tacoma IntlChicago Midway

SEA - MDW

SEAMDW

Seattle/Tacoma Intl

Sat 5/11

1 stop15h 36m

Chicago Midway

Tue 5/14

1 stop12h 21m

$117

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 5/28

Nonstop4h 04m

Chicago O'Hare Intl

Wed 6/12

Nonstop4h 35m

$139

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 5/11

1 stop25h 24m

Chicago O'Hare Intl

Sat 5/18

1 stop15h 08m

$142

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 5/22

Nonstop4h 04m

Chicago O'Hare Intl

Tue 5/28

1 stop11h 53m

$147

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 5/29

1 stop10h 20m

Chicago O'Hare Intl

Tue 6/4

2 stops15h 29m

$155

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 5/15

1 stop8h 17m

Chicago O'Hare Intl

Tue 5/21

Nonstop4h 42m

$191

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 6/12

1 stop5h 46m

Chicago O'Hare Intl

Sun 6/16

1 stop12h 30m

$201

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 6/11

Nonstop4h 15m

Chicago O'Hare Intl

Sat 6/22

1 stop7h 22m

$267

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 6/13

Nonstop4h 04m

Chicago O'Hare Intl

Mon 6/17

Nonstop4h 34m

$277

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from Seattle to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Chicago. Price data was last updated on January 28, 2024.
The price you pay for your flight from Seattle to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Seattle to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Chicago. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Chicago flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Chicago by month

Plan your trip from Seattle to Chicago by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Chicago is currently $77 while a round-trip flight costs $182. Price data was last updated on April 21, 2024.

Currently, February is the cheapest month in which you can book a flight from Seattle to Chicago (average of $245). Flying from Seattle to Chicago in June is currently the most expensive (average of $356). 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.

January

$248

February

$245

March

$280

April

$273

May

$282

June

$356

July

$336

August

$276

September

$258

October

$248

November

$270

December

$248

Temperature and rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

23 - 73.4 °F

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated April 27, 2024.
Read through reviews of airlines operating flights from Seattle to Chicago, such as Sun Country Air, Frontier and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Alaska Airlines
8.1
Very good
9,117 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Delta
8.1
Very good
10,951 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

WestJet
7.5
Good
2,979 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

United Airlines
7.4
Good
11,228 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

American Airlines
7.3
Good
14,875 reviews
Alaska Airlines
8.1
Very good
9,117 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Chicago. 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 from for flights from Seattle to Chicago?

    For a flight from Seattle to Chicago, you will be flying from 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 25 outbound flights to Chicago per day. 6 airlines have flights to Chicago from Seattle/Tacoma Intl on a regular basis.

  • Can I find flights from Seattle to Chicago for under $200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Chicago for under $200. The cheapest flight booked recently is on Frontier for just $117, but on average you can expect to pay $156.

  • Are there nonstop flights from Seattle to Chicago for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Chicago under $200. A good price for a nonstop flight from Seattle to Chicago is less than $224.

  • Are there last-minute flights available from Seattle to Chicago for under $200?

    There are currently 20+ open flights from Seattle to Chicago within the next 7 days for less than $200.

  • What days are nonstop flights available from Seattle to Chicago?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Saturday.

  • How many flights depart from Seattle to Chicago on average per day?

    On average 38 flights depart from Seattle to Chicago per day.
    Early Morning (Midnight to 6am) - 5% of flight departures
    Morning (6am - Noon) - 74% of flight departures
    Afternoon (Noon - 6pm) - 11% of flight departures
    Evening (6pm - Midnight) - 11% of flight departures

  • How long is the flight from Seattle to Chicago?

    Departing from Seattle to Chicago will take you 4h 04m. Seattle and Chicago are separated by a distance of 1725 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Seattle to Chicago is Frontier. Our recent data shows that you can find tickets from as low as $117 on this airline. Additional options worth looking into are Alaska Airlines and Spirit Airlines, starting at $139 and $155 round-trip. Users have found that Frontier is 61% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. Delta flights start at $70 while deals on Spirit Airlines start at $77 one-way.

  • What are the most popular routes from Seattle to Chicago?

    While some choose either Seattle/Tacoma Intl - Chicago Midway or Seattle/Tacoma Intl - Chicago Greater Rockford, Seattle/Tacoma Intl - Chicago O'Hare Intl is the most popular route from Seattle to Chicago.

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

    When booking a flight from Seattle to Chicago, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

  • What are the most reliable airlines from Seattle to Chicago?

    No one likes to see their flight delayed. When booking a flight from Seattle to Chicago consider choosing Scandinavian Airlines (97%), SWISS (95%) or Brussels Airlines (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Chicago?

    Looking for the cheapest flight from Seattle to Chicago? While on average our users pay $856, our data indicates the cheapest price to be $69. The most popular route (Seattle/Tacoma Intl - Chicago O'Hare Intl), is priced around $139.

  • What does SEA to ORD mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Seattle to Chicago that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Chicago flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Chicago with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Chicago flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Seattle to Chicago that allow pets onboard?

    Many airlines flying from Seattle to Chicago offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Chicago?

    Yes, you can often find last-minute deals on Seattle to Chicago flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Chicago flight deals updated?

    The Seattle to Chicago flight deals you see on this page were last updated on 4/26.

See more FAQs

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Fly from Seattle to Chicago on these airlines
Choose from the following airlines for your flight from Seattle to Chicago. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2024.

Alaska Airlines flights from Seattle/Tacoma Intl to Chicago
Delta flights from Seattle/Tacoma Intl to Chicago
United Airlines flights from Seattle/Tacoma Intl to Chicago

Top 6 airlines flying from Seattle to Chicago

Discover the top 6 airlines that operate flights from Seattle to Chicago. 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 3,068,117 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$433FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$99Average$309FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$114Average$343FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FrontierCheapest$120Average$193FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$129Average$325FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$155Average$378FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Seattle to Chicago by cabin class

Find flights from Seattle to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Seattle to Chicago

Find hourly flight availability from Seattle to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2024.
23%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
15%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Chicago

Explore weekly flight availability from Seattle to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 27, 2024.
Sunday27daily flights
Monday30daily flights
Tuesday19daily flights
Wednesday24daily flights
Thursday26daily flights
Friday30daily flights
Saturday21daily flights

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How does Cheapflights help users find flights from Seattle to Chicago?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chicago from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Chicago?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Chicago for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Chicago with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Chicago become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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