Question 1

What days are nonstop flights available from Chicago to Seattle?

Accepted Answer

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

Question 2

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

Accepted Answer

On average, you can expect to see 26 flights from Chicago to Seattle a day.
Early Morning (Midnight to 6am) - 15% of flight departures
Morning (6am - Noon) - 4% of flight departures
Afternoon (Noon - 6pm) - 38% of flight departures
Evening (6pm - Midnight) - 42% of flight departures

Question 3

How long is the flight from Chicago to Seattle?

Accepted Answer

For as low as $128, Frontier can have you in Seattle from Chicago in 4h 42m. The distance from Chicago to Seattle is about 1725 mi. Both multi-stop and nonstop flights can be found to your destination and back.

Question 4

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

Accepted Answer

Our cheapest airline available from Chicago to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $128 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $156 and $169 round-trip. Frontier is priced at 56% lower than the current average price of a flight leaving 3 months from now.

Question 5

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

Accepted Answer

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. Alaska Airlines flights start at $100 while deals on Sun Country Air start at $101 one-way.

Question 6

E

Accepted Answer

Currently, December is the cheapest month in which you can book a flight from Chicago to Seattle (average of $244). Flying from Chicago to Seattle in July is currently the most expensive (average of $408). 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

$247

February

$254

March

$288

April

$295

May

$317

June

$407

July

$408

August

$343

September

$278

October

$257

November

$258

December

$244

Question 7

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

Accepted Answer

The best time to book flights from Chicago to Seattle is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 8

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

Accepted Answer

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

Question 9

How recently were the Chicago to Seattle flight deals updated?

Accepted Answer

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

Question 10

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

Accepted Answer

Before booking your flight from Chicago to Seattle check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Alaska Airlines.

Question 11

What are the cheapest flights from Chicago to Seattle?

Accepted Answer

Looking at all options, your cheapest flight can be booked for $90. While the most popular route (Chicago O'Hare Intl - Seattle/Tacoma Intl) can be booked for $139 on average our data indicates $637 when flying from Chicago to Seattle.

Question 12

What are the most reliable airlines from Chicago to Seattle?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Chicago to Seattle consider choosing WestJet (100%), Aeromexico (96%) or Korean Air (94%) as they are the most reliable in getting you off to your destination on time.

Question 13

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

Accepted Answer

Yes, there are multiple flights from Chicago to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $128, but on average you can expect to pay $156.

Question 14

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

Accepted Answer

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 $234.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 25% on your flight compared to booking on days when demand is much higher.

Question 17

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

Accepted Answer

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.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

It’s typically best to fly out from Chicago to Seattle in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the evening, which is usually more expensive.

Question 20

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

Accepted Answer

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.

Question 21

Accepted Answer

One of the most popular airlines traveling from Chicago to Seattle is Frontier. Flights from Frontier traveling this route typically cost $327.80 RT. This price is typically 39% cheaper than other airlines that offer Chicago to Seattle flights. When booking this route, the cheapest RT price found was $89. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Chicago to Seattle, Frontier flights are 11% more popular than any other airline flying that same route.

Question 22

Accepted Answer

Sun Country Air is one of the most popular airlines used for those traveling from Chicago to Seattle. Flights on this route from Sun Country Air typically cost $469.61 RT, a price that is 47% more expensive than the average Chicago to Seattle flight. The cheapest flight found was $99 RT. 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, Sun Country Air flights are 11% more popular than any other airline flying that same route.

Question 23

What does ORD to SEA mean?

Accepted Answer

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.

Question 24

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

Accepted Answer

The amount of baggage you can bring on your Chicago to Seattle 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.

Question 25

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

Accepted Answer

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

Question 26

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

Accepted Answer

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

Question 27

How can I find direct flights from Chicago to Seattle?

Accepted Answer

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

Question 28

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

Accepted Answer

Yes. Cheapflights offers flight deals from Chicago 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.

Question 29

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

Accepted Answer

Many airlines flying from Chicago to Seattle 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.

Question 30

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

Accepted Answer

Yes, you can often find last-minute deals on Chicago to Seattle 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.

Question 31

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

Accepted Answer

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!

Question 32

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

Accepted Answer

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!

Question 33

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

Accepted Answer

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

Question 34

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

Accepted Answer

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!

Popular in	July
Cheapest in	January
Round-trip from	$244
One-way from	$109

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$89	Average$328	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Delta	Cheapest$99	Average$470	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	Cheapest$109	Average$308	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest$114	Average$343	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Frontier	Cheapest$123	Average$260	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Spirit Airlines	Cheapest$143	Average$319	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights

5%of flight departures	Early morningMidnight to 6 am
10%of flight departures	Morning6 am to noon
63%of flight departures	AfternoonNoon to 6 pm
22%of flight departures	Evening6 pm to midnight

Sunday	21daily flights
Monday	28daily flights
Tuesday	20daily flights
Wednesday	21daily flights
Thursday	24daily flights
Friday	26daily flights
Saturday	20daily flights

Cheap flights from Chicago (CHI) to Seattle (SEA) 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 5/14. 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.

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

Cheap flight deals from Chicago to Seattle

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

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

Cheap Frontier flights from Chicago to Seattle

Consider these cheap Frontier 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.

Cheap Sun Country Air flights from Chicago to Seattle

Some of the lowest-priced Sun Country Air 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.

Cheap Chicago to Seattle flights in April & May 2024

Find cheap flight options from Chicago to Seattle 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 אפריל 27, 2024.

Scroll through some of the best deals on flights from Chicago to Seattle in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

Chicago to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated אפריל 27, 2024.

Scroll through some of the best deals on flights from Chicago to Seattle in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Seattle from Chicago

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

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Seattle. Price data was last updated on January 28, 2024.

The best time to book flights from Chicago to Seattle is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Seattle. Price data was last updated on April 21, 2024.

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 $86 while a round-trip flight costs $194. Price data was last updated on April 21, 2024.

Temperature and rainfall in Seattle by month

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

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Chicago to Seattle, such as Frontier, Sun Country Air and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

What days are nonstop flights available from Chicago to Seattle?

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

How long is the flight from Chicago to Seattle?

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

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

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

What are the most reliable airlines from Chicago to Seattle?

What are the cheapest flights from Chicago to Seattle?

What does ORD to SEA mean?

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

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

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

How can I find direct flights from Chicago to Seattle?

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

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

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

How recently were the Chicago to Seattle flight deals updated?

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 airlinesChoose 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 אפריל 27, 2024.

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 אפריל 27, 2024.

Top 6 airlines flying from Chicago to Seattle

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from Chicago to Seattle by cabin class

Find flights from Chicago to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first 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 אפריל 27, 2024.

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 אפריל 27, 2024.

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.

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 אפריל 27, 2024.