What is the cheapest airline that flies from Washington to Chicago O'Hare Intl?

Frontier, United Airlines, and Delta are the most popular carriers operating from Washington to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 3h 35m to fly from State of Washington to Chicago O'Hare Intl Airport if you fly out of Spokane (the most popular airport in State of Washington) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Seattle and into Chicago O'Hare Intl Airport, then the flight time is around 3h 59m.

How many operators does momondo search for flights from Washington to Chicago O'Hare Intl Airport?

There are 7 operators available for flights from Washington to Chicago O'Hare Intl Airport as of March 2026.

How old do you have to be to fly from Washington to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$98 Cheap Flights from State of Washington to Chicago O'Hare Intl Airport in 2026

Q: How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per week?

The number of flights available between State of Washington and Chicago O'Hare Intl Airport is 369 per week as of March 2026. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.

Q: How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per day?

The number of flights available between State of Washington and Chicago O'Hare Intl Airport is 52 per day as of March 2026. The most frequent departure time is 10:00AM, with 65% of daily flights leaving at noon.

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:57 am - 5:50 am

SEA

ORD

16h 53m

1 stop

9:42 pm - 9:49 am

ORD

SEA

14h 07m

1 stop

$204Frontier

Tue, Apr 28 - Tue, May 5

8:07 pm - 9:50 am

SEA

ORD

11h 43m

1 stop

9:42 pm - 9:49 am

ORD

SEA

14h 07m

1 stop

$210Frontier

Wed, Apr 15 - Tue, May 5

7:12 pm - 9:45 am

SEA

ORD

12h 33m

1 stop

7:21 pm - 6:35 pm

ORD

SEA

25h 14m

1 stop

$212Frontier

Sat, May 2 - Mon, May 4

12:28 pm - 10:23 am

PDX

ORD

19h 55m

2 stops

9:42 pm - 4:46 pm

ORD

PDX

21h 04m

1 stop

$219Multiple Airlines

Wed, Apr 15 - Wed, May 6

12:29 am - 6:40 am

SEA

ORD

4h 11mnonstop

9:42 pm - 9:49 am

ORD

SEA

14h 07m

1 stop

$224Multiple Airlines

Wed, Apr 29 - Tue, May 5

7:19 am - 6:40 pm

GEG

ORD

9h 21m

1 stop

3:52 pm - 10:20 pm

ORD

GEG

8h 28m

1 stop

$277Alaska Airlines

Tue, Apr 14 - Wed, Apr 22

4:43 pm - 6:39 am

GEG

ORD

11h 56m

1 stop

4:10 pm - 11:59 pm

ORD

GEG

9h 49m

1 stop

$280Alaska Airlines

Sat, Apr 11 - Sat, Apr 18

2:47 pm - 11:59 pm

GEG

ORD

7h 12m

1 stop

8:20 am - 3:34 pm

ORD

GEG

9h 14m

1 stop

$293Hawaiian Airlines

Thu, Apr 9 - Wed, Apr 15

12:45 pm - 11:52 pm

PSC

ORD

9h 07m

1 stop

7:15 am - 11:48 am

ORD

PSC

6h 33m

1 stop

$297Delta

Sat, Apr 11 - Tue, Apr 14

12:45 pm - 11:52 pm

PSC

ORD

9h 07m

1 stop

1:36 pm - 12:01 am

ORD

PSC

12h 25m

2 stops

$302Delta

Sat, Apr 11 - Wed, Apr 15

United Airlines flights from State of Washington to Chicago O'Hare Intl Airport

Our best United Airlines deals on State of Washington to Chicago O'Hare Intl Airport flight tickets

United Airlines

Apr 17

SEA10:35 pmSeattle/Tacoma Intl

4h 11m

ORD4:46 amChicago O'Hare Intl

Apr 26

ORD9:54 pmChicago O'Hare Intl

4h 40m

SEA12:34 amSeattle/Tacoma Intl

$237

United Airlines

Apr 14

PDX11:59 pmPortland

4h 04m

ORD6:03 amChicago O'Hare Intl

Apr 21

ORD9:10 amChicago O'Hare Intl

4h 36m

PDX11:46 amPortland

$251

United Airlines

Apr 14

SEA7:00 amSeattle/Tacoma Intl

4h 12m

ORD1:12 pmChicago O'Hare Intl

Apr 21

ORD4:40 pmChicago O'Hare Intl

8h 47m

1 stop

SEA11:27 pmSeattle/Tacoma Intl

$256

Hawaiian Airlines flights from State of Washington to Chicago O'Hare Intl Airport

Our best Hawaiian Airlines deals on State of Washington to Chicago O'Hare Intl Airport flight tickets

Hawaiian Airlines

Apr 15

SEA5:49 pmSeattle/Tacoma Intl

4h 10m

ORD11:59 pmChicago O'Hare Intl

Apr 18

ORD6:00 amChicago O'Hare Intl

4h 37m

SEA8:37 amSeattle/Tacoma Intl

$252

Hawaiian Airlines

Apr 9

GEG2:47 pmSpokane

7h 12m

1 stop

ORD11:59 pmChicago O'Hare Intl

Apr 15

ORD8:20 amChicago O'Hare Intl

9h 14m

1 stop

GEG3:34 pmSpokane

$293

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 4/28

10:57 am-5:50 am

1 stop16h 53m

Chicago O'Hare Intl

Tue 5/5

9:42 pm-9:49 am

1 stop14h 07m

$204

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 4/15

8:07 pm-9:50 am

1 stop11h 43m

Chicago O'Hare Intl

Tue 5/5

9:42 pm-9:49 am

1 stop14h 07m

$210

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 5/2

7:12 pm-9:45 am

1 stop12h 33m

Chicago O'Hare Intl

Mon 5/4

7:21 pm-6:35 pm

1 stop25h 14m

$212

PortlandChicago

PDX - ORD

PDXORD

Portland

Wed 4/15

12:28 pm-10:23 am

2 stops19h 55m

Chicago O'Hare Intl

Wed 5/6

9:42 pm-4:46 pm

1 stop21h 04m

$219

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 4/29

12:29 am-6:40 am

Nonstop4h 11m

Chicago O'Hare Intl

Tue 5/5

9:42 pm-9:49 am

1 stop14h 07m

$224

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 4/14

7:19 am-6:40 pm

1 stop9h 21m

Chicago O'Hare Intl

Wed 4/22

3:52 pm-10:20 pm

1 stop8h 28m

$277

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 4/11

4:43 pm-6:39 am

1 stop11h 56m

Chicago O'Hare Intl

Sat 4/18

4:10 pm-11:59 pm

1 stop9h 49m

$280

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Thu 4/9

2:47 pm-11:59 pm

1 stop7h 12m

Chicago O'Hare Intl

Wed 4/15

8:20 am-3:34 pm

1 stop9h 14m

$293

Quickest round-trip

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Sat 4/11

12:45 pm-11:52 pm

1 stop9h 07m

Chicago O'Hare Intl

Tue 4/14

7:15 am-11:48 am

1 stop6h 33m

$297

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Sat 4/11

12:45 pm-11:52 pm

1 stop9h 07m

Chicago O'Hare Intl

Wed 4/15

1:36 pm-12:01 am

2 stops12h 25m

$302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from State of Washington averaging around $252.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $387. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $484.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from State of Washington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $292 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $440. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington to Chicago O'Hare Intl flight route?

Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Washington - Chicago O'Hare Intl flight prices

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $301 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from State of Washington for as low as $258 on momondo.

What cabin class options are available on Washington to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Washington to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Chicago O'Hare Intl Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a State of Washington to Chicago O'Hare Intl Airport flight.

Cheap State of Washington to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Chicago O'Hare Intl Airport

Best Price Found	$177
Fastest flight time	3h 35m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from State of Washington in the past 72 hours is $177. The best round-trip flight deal from State of Washington to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $324.

The fastest flight from State of Washington to Chicago O'Hare Intl Airport takes 3h 35m

Direct flights go from State of Washington to Chicago O'Hare Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Washington to Chicago O'Hare Intl Airport?
Prices for flights from Washington to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Washington to Chicago O'Hare Intl Airport?
There are 7 operators available for flights from Washington to Chicago O'Hare Intl Airport as of March 2026.
How old do you have to be to fly from Washington to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Chicago O'Hare Intl Airport is Boeing 737-800, representing 21.94% of all bookings. The subsequent popular models are Airbus A321neo at 16.63%, Boeing 737-800 Passenger/BBJ2 (winglets) at 12.63%, and Boeing 737 MAX 9 at 11.31%.

Best airlines flying from State of Washington to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 8,292 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $114	Free Cancellation	Rating 7.8 2,841 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $162	Free Cancellation	Rating 5.7 3,024 reviews	Search Frontier flights
United Airlines	PriceFrom $164	Free Cancellation	Rating 7.4 9,439 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $169	Free Cancellation	Rating 7.9 12,072 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $177	Free Cancellation	Rating 7.1 11,472 reviews	Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Washington to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Chicago?

Once all potential Washington to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington to Chicago from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Chicago departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from State of Washington to Chicago O'Hare Intl Airport

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Hawaiian Airlines flights from State of Washington to Chicago O'Hare Intl Airport

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How to get the cheapest flight ticket from State of Washington to Chicago O'Hare Intl Airport

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

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Washington to Chicago O'Hare Intl flight route?

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

What cabin class options are available on Washington to Chicago O'Hare Intl flights?

Can stopping save me money on State of Washington to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from Washington to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per day?

How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per week?

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap State of Washington to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Chicago O'Hare Intl Airport

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Best airlines flying from State of Washington to Chicago O'Hare Intl Airport

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