Cheap flights from Chicago (CHI) to Seattle (SEA) from $59

This is the cheapest one-way flight price, found on 12/6. Prices may vary by date and flight preferences.
CHI — SEA
Dec 12 — Dec 191

The best prices from Chicago to Seattle/Tacoma Intl are usually found in January or February, booked 82 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Were you looking for Flights from Seattle to Chicago?

How to find the cheapest flight from Chicago (CHI) to Seattle (SEA)

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 December 7, 2023.

Popular in

July

Cheapest in

January

Round-trip from

$238

One-way from

$68
High demand for flights, 32% potential price rise
Best time to find cheap flights, 26% potential price drop
From Chicago (CHI) to Seattle/Tacoma Intl
One-way flight from Chicago (CHI) to Seattle/Tacoma Intl

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

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

Travelers have found it’s best to book a flight 60 days in advance to save up to 90% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to Seattle 1-2 weeks in advance for as low as $326, or $619 for flights within the next 24 hours.

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

Our data shows that January tends to be the cheapest month to fly to Seattle from Chicago. Users have commonly found prices around $292 for the month, but tickets can be as low as $99. Due to multiple factors, prepare for potentially higher prices in July.

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

It’s typically best to fly out from Chicago to Seattle in the morning. Doing so could potentially save you 7% on the flight price compared to flying at noon, which is usually more expensive.

Cheap American Airlines flights from Chicago to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Chicago and Seattle. 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 2,618,515 searches. Data last updated December 7, 2023.
Consider these cheap American Airlines flights we've found departing from Chicago to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.
  • If you’re traveling from Chicago to Seattle, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $336.82 RT. This price is typically 55% more expensive than other airlines that offer Chicago to Seattle flights. When booking this route, the cheapest RT price found was $114. The most popular departure airport in Chicago when flying to Seattle is Chicago O'Hare Intl Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from Chicago to Seattle, American Airlines flights are 14% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Chicago to Seattle

Explore cheap flight options specifically provided by Spirit Airlines for the route between Chicago and Seattle. 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 2,618,515 searches. Data last updated December 7, 2023.
Some of the lowest-priced Spirit Airlines flights we've found at this time heading from Chicago to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
  • If you’re traveling from Chicago to Seattle, one of the more common airlines traveling that route is Spirit Airlines. Chicago to Seattle flights are typically 35% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $464.44 RT. The cheapest Spirit Airlines flight found for this route was $109. When traveling from Chicago to Seattle on Spirit Airlines, the most popular airport to depart from is Chicago O'Hare Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. When flying from Chicago to Seattle, Spirit Airlines flights are 11% more popular than any other airline flying that same route.

Cheap Chicago to Seattle flights in December & January 2023

Find cheap flight options from Chicago to Seattle specifically for the months of December and January 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Prices were last updated on December 7, 2023.
Scroll through some of the best deals on flights from Chicago to Seattle in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Chicago to Seattle 2023 flight deals

Discover exclusive flight deals for travel between Chicago and Seattle in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Scroll through some of the best deals on flights from Chicago to Seattle in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Seattle from Chicago

Discover non-stop flight options from Chicago to Seattle. 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 2,618,515 searches. Data last updated December 7, 2023.
If you're seeking options on non-stop flights from Chicago to Seattle, check out these fares. Select from other flights from Chicago to Seattle by using the search form above.

Chicago to Seattle flights leaving soon

Find last-minute flight options from Chicago to Seattle 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 2,618,515 searches. Data last updated December 7, 2023.
Check out these flights departing soon from Chicago to Seattle. Users should examine the flight details to ensure there are no surprises.

One-way flights to Seattle from Chicago

Search for one-way flight options from Chicago to Seattle. 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 2,618,515 searches. Data last updated December 7, 2023.
Take a look at some of the one-way flights we've detected from Chicago to Seattle. Users needing a return flight from Chicago to Seattle should utilize the search form above.

Find flights from Chicago to Seattle within your budget

Customize your flight search to find flights from Chicago 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 2,618,515 searches. Data last updated December 7, 2023.

Fly from

Any airport

Fly to

Any airport

Budget

$116 - $186

Route

Depart

Return

Price

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 1/10

1 stop13h 10m

Seattle/Tacoma Intl

Tue 1/16

1 stop7h 51m

$116

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 1/10

1 stop13h 10m

Seattle/Tacoma Intl

Sat 1/13

1 stop10h 04m

$118

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 1/8

1 stop14h 16m

Seattle/Tacoma Intl

Thu 1/11

1 stop9h 10m

$120

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 1/5

Nonstop4h 48m

Seattle/Tacoma Intl

Thu 1/11

1 stop9h 10m

$130

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 1/5

Nonstop4h 44m

Seattle/Tacoma Intl

Wed 1/10

Nonstop4h 04m

$134

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 1/6

Nonstop4h 54m

Seattle/Tacoma Intl

Tue 1/9

Nonstop4h 05m

$148

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 1/19

1 stop15h 46m

Seattle/Tacoma Intl

Wed 1/24

1 stop15h 37m

$161

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 1/9

Nonstop4h 50m

Seattle/Tacoma Intl

Thu 1/11

1 stop7h 47m

$173

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 4/23

Nonstop4h 30m

Seattle/Tacoma Intl

Tue 5/7

1 stop7h 51m

$186

Flights are sorted by cheapest first

Deals found on 12/5

Average price of flights to Seattle by month

Plan your trip from Chicago to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to Seattle is currently 68.33 USD while a round-trip flight costs 142.89 USD. Price data was last updated on December 3, 2023.

Currently, January is the cheapest month in which you can book a flight from Chicago to Seattle (average of $238). Flying from Chicago to Seattle in June is currently the most expensive (average of $433). 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

$238

February

$238

March

$287

April

$306

May

$338

June

$433

July

$417

August

$346

September

$278

October

$258

November

$258

December

$245

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 December 7, 2023.
Read through reviews of airlines operating flights from Chicago to Seattle, such as American Airlines, Spirit Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
1,404 reviews

Comfort

8.0

Food

7.2

Overall

8.1

Boarding

8.3

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

8.1
Very good
1,404 reviews
8.1
Very good
1,404 reviews

Comfort

8.0

Food

7.2

Overall

8.1

Boarding

8.3

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

7.9
Good
3,035 reviews
8.1
Very good
1,404 reviews

Comfort

8.0

Food

7.2

Overall

8.1

Boarding

8.3

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

Southwest
7.6
Good
1,522 reviews
8.1
Very good
1,404 reviews

Comfort

8.0

Food

7.2

Overall

8.1

Boarding

8.3

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

7.4
Good
94 reviews
8.1
Very good
1,404 reviews

Comfort

8.0

Food

7.2

Overall

8.1

Boarding

8.3

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

7.4
Good
1,902 reviews
8.1
Very good
1,404 reviews

Comfort

8.0

Food

7.2

Overall

8.1

Boarding

8.3

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The outlet at my seat did not work so I was not able to enjoy the in flight entertainment because my phone was dying.

Average temperature in Seattle by month

Plan your trip to Seattle by selecting the month that matches your preferred temperature. July sees the highest average temperature while December sees the lowest average temperature. Temperature data was last updated on December 3, 2023.

SEA

Temperature

41 - 66.2 °F

Average rainfall in Seattle by month

Keep in mind the precipitation totals in Seattle when planning your trip. Seattle sees an average of 3.13 precipitation per year with the most occurring in November. Precipitation data was last updated on December 3, 2023.

SEA

Rainfall

0.7 - 6.6 inches

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Chicago to Seattle. 7 airlines have flights to Seattle/Tacoma Intl from Chicago on a regular basis. Booking flights from Chicago to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 22 inbound flights from Chicago per day.

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

Yes, there are multiple flights from Chicago to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $116, but on average you can expect to pay $132.

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

Cheapflights has at least 20 direct flights from Chicago to Seattle under $200. A good price for a nonstop flight from Chicago to Seattle is less than $194.

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

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

What days are nonstop flights available from Chicago to Seattle?

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

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

On average, you can expect to see 27 flights from Chicago to Seattle a day.
Early Morning (Midnight to 6am) - 7% of flight departures
Morning (6am - Noon) - 30% of flight departures
Afternoon (Noon - 6pm) - 44% of flight departures
Evening (6pm - Midnight) - 19% of flight departures

How long is the flight from Chicago to Seattle?

For as low as $116, Frontier can have you in Seattle from Chicago in 4h 44m. The distance from Chicago to Seattle is about 1725 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Our cheapest airline available from Chicago to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $116 on this airline. Additional options worth looking into are Alaska Airlines and Delta, starting at $134 and $148 round-trip. Frontier is priced at 60% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. Alaska Airlines flights start at $67 while deals on Delta start at $69 one-way.

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

What are the most reliable airlines from Chicago to Seattle?

No one likes to see their flight delayed. When booking a flight from Chicago to Seattle consider choosing KLM (100%), Air France (97%) or Delta (95%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Chicago to Seattle?

Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Chicago O'Hare Intl - Seattle/Tacoma Intl) can be booked for $138 on average our data indicates $679 when flying from Chicago to Seattle.

What does ORD to SEA mean?

This is defined as Chicago O'Hare Intl Airport (ORD) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma 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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Chicago to Seattle on these airlines
Choose from the following airlines for your flight from Chicago to Seattle. Flights are based on user searches made on Cheapflights and were last updated on December 7, 2023.

Top 6 airlines flying from Chicago to Seattle

Discover the top 6 airlines that operate flights from Chicago 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 2,618,515 searches. Data last updated December 7, 2023.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$109Average$318FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$109Average$464FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$114Average$360FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$114Average$337FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$143Average$319FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$170Average$285FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Search flights to Seattle by cabin class

Hourly flight availability from Chicago to Seattle

Find hourly flight availability from Chicago 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 December 7, 2023.
17%of flight departuresEarly morningMidnight to 6 am
34%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
7%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Seattle

Explore weekly flight availability from Chicago to Seattle. 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 December 7, 2023.
Sunday21daily flights
Monday28daily flights
Tuesday20daily flights
Wednesday21daily flights
Thursday24daily flights
Friday26daily flights
Saturday20daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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 Seattle from Chicago today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Seattle from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.