Question 1

How long does a flight from Chicago to Seattle take?

Accepted Answer

Nonstop flights from Chicago generally make it to Seattle in 4h 27m. The flying distance between the two cities is 4,442 km. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between Chicago O'Hare Intl Airport and Seattle per day?

Accepted Answer

Each day, there are between 16 and 18 nonstop flights that take off from Chicago O'Hare Intl Airport and land in Seattle, with an average flight time of 4h 37m. The most common departure time is 6:00 a.m. and most flights take off in the morning. Each week, there are 121 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday. Visit our flight page for the latest deals!>/a>

Question 3

How many flights are there between Chicago O'Hare Intl Airport and Seattle per day?

Accepted Answer

Each day, there are between 16 and 18 nonstop flights that take off from Chicago O'Hare Intl Airport and land in Seattle, with an average flight time of 4h 37m. The most common departure time is 6:00 a.m. and most flights take off in the morning. Each week, there are 121 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday. Visit our flight page for the latest deals!>/a>

Question 4

What is the cheapest flight from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Seattle was C$ 96 for a one-way ticket and C$ 176 for a round-trip. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines fly most frequently between Chicago and Seattle?

Accepted Answer

Chicago and Seattle are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (42 flights per week), United Airlines (33 flights per week), and American Airlines (28 flights per week). Visit our flight page for the latest deals!>/a>

Question 6

Which airlines fly most frequently between Chicago and Seattle?

Accepted Answer

Chicago and Seattle are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (42 flights per week), United Airlines (33 flights per week), and American Airlines (28 flights per week). Visit our flight page for the latest deals!>/a>

Question 7

What’s the cheapest day of the week to fly from Chicago to Seattle?

Accepted Answer

If you are looking for a flight deal from Chicago to Seattle, look for departures on Thursdays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from Seattle, Thursday is the cheapest day to fly and Monday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 8

What’s the cheapest day of the week to fly from Chicago to Seattle?

Accepted Answer

If you are looking for a flight deal from Chicago to Seattle, look for departures on Thursdays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from Seattle, Thursday is the cheapest day to fly and Monday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 9

What’s the earliest departure time from Chicago to Seattle?

Accepted Answer

Early birds can take the earliest flight from Chicago O'Hare Intl Airport at 6:00 am and will be landing in Seattle at 8:27 am.

Question 10

What’s the latest departure time from Chicago to Seattle?

Accepted Answer

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to Seattle jets off at 9:55 pm and lands at 12:32 am.

Question 11

Which airlines offer Wi-Fi service onboard planes from Chicago to Seattle?

Accepted Answer

All the following airlines offer inflight Wi-Fi service on the Chicago to Seattle flight route: American Airlines, Alaska Airlines, Hawaiian Airlines, Delta, Air Canada, and United Airlines.

Question 12

Which aircraft models fly most regularly from Chicago to Seattle?

Accepted Answer

The Boeing 737-900 Passenger/BBJ3 (winglets) is the aircraft model that flies most regularly on the Chicago to Seattle flight route.

Question 13

Which airline alliances offer flights from Chicago to Seattle?

Accepted Answer

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Chicago and Seattle, with oneworld being the most commonly used for this route.

Question 14

On which days can I fly direct from Chicago to Seattle?

Accepted Answer

There are direct flights from Chicago to Seattle on a daily basis.

Question 15

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

The cheapest month for flights from Chicago O'Hare Intl Airport to Seattle is September, where tickets cost C$ 303 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is C$ 488 and C$ 456 respectively.

Question 16

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

The cheapest month for flights from Chicago O'Hare Intl Airport to Seattle is September, where tickets cost C$ 303 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is C$ 488 and C$ 456 respectively.

Question 17

How does KAYAK find such low prices on flights from Chicago to Seattle?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Seattle. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 18

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Seattle?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Chicago is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 19

What is the Hacker Fare option on flights from Chicago to Seattle?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Chicago with another airline. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 20

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Seattle?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Chicago-O-Hare-Intl-ORD/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 21

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and Seattle?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 22

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and Seattle?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 23

Which airlines provide the cheapest flights from Chicago to Seattle?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Chicago to Seattle were found on Alaska Airlines (C$ 244) and United Airlines (C$ 245).

Question 24

Which airlines provide the cheapest flights from Chicago to Seattle?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Chicago to Seattle were found on Alaska Airlines (C$ 244) and United Airlines (C$ 245).

Question 25

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

To get a below average price on the flight from Chicago O'Hare Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Question 26

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

To get a below average price on the flight from Chicago O'Hare Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Question 27

Can I save money by flying with a layover from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 158 on average.

Question 28

Can I save money by flying with a layover from Chicago O'Hare Intl Airport to Seattle?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 158 on average.

Low season	January
High season	June
Cheapest flight	C$ 133

ORD - SEA

C$ 133 Find Cheap Flights from Chicago to Seattle

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Everything you should know

Expert advice for your flight from Chicago to Seattle

KAYAK's insights & trends for Chicago to Seattle flights

Get data-powered insights and trends into flights from Chicago to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Chicago to Seattle?

If you are looking for a flight deal from Chicago to Seattle, look for departures on Thursdays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from Seattle, Thursday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Seattle?

The cheapest month for flights from Chicago O'Hare Intl Airport to Seattle is September, where tickets cost C$ 303 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is C$ 488 and C$ 456 respectively.

Can I save money by flying with a layover from Chicago O'Hare Intl Airport to Seattle?

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 158 on average.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Seattle?

To get a below average price on the flight from Chicago O'Hare Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Which airlines provide the cheapest flights from Chicago to Seattle?

In the past 3 days, the cheapest round-trip tickets from Chicago to Seattle were found on Alaska Airlines (C$ 244) and United Airlines (C$ 245).

Which airlines fly most frequently between Chicago and Seattle?

Chicago and Seattle are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (42 flights per week), United Airlines (33 flights per week), and American Airlines (28 flights per week).

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and Seattle?

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Chicago O'Hare Intl Airport and Seattle per day?

How long does a flight from Chicago to Seattle take?

Nonstop flights from Chicago generally make it to Seattle in 4h 27m. The flying distance between the two cities is 4,442 km.

What’s the earliest departure time from Chicago to Seattle?

Early birds can take the earliest flight from Chicago O'Hare Intl Airport at 6:00 am and will be landing in Seattle at 8:27 am.

What’s the latest departure time from Chicago to Seattle?

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to Seattle jets off at 9:55 pm and lands at 12:32 am.

Good to know

When to book flights from Chicago to Seattle

Flights from Chicago to Seattle: the best tips from KAYAK users' own experiences

FAQs for booking Chicago to Seattle flights

What is the cheapest flight from Chicago O'Hare Intl Airport to Seattle?

In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Seattle was C$ 96 for a one-way ticket and C$ 176 for a round-trip.

Which airlines offer Wi-Fi service onboard planes from Chicago to Seattle?

All the following airlines offer inflight Wi-Fi service on the Chicago to Seattle flight route: American Airlines, Alaska Airlines, Hawaiian Airlines, Delta, Air Canada, and United Airlines.

Which aircraft models fly most regularly from Chicago to Seattle?

The Boeing 737-900 Passenger/BBJ3 (winglets) is the aircraft model that flies most regularly on the Chicago to Seattle flight route.

Which airline alliances offer flights from Chicago to Seattle?

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Chicago and Seattle, with oneworld being the most commonly used for this route.

On which days can I fly direct from Chicago to Seattle?

There are direct flights from Chicago to Seattle on a daily basis.

How does KAYAK find such low prices on flights from Chicago to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Chicago to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Chicago with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Chicago to Seattle?

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