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Cheap flights from Washington to Chicago from $74

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 2/26. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:07 am - 6:23 am
SEA
-
ORD
4h 16mnonstop
American Airlines Logo
8:20 pm - 11:04 pm
ORD
-
SEA
4h 44mnonstop
$162American Airlines
Fri, Feb 27 - Sat, Mar 7
American Airlines Logo
12:07 am - 6:23 am
SEA
-
ORD
4h 16mnonstop
American Airlines Logo
9:40 pm - 12:24 am
ORD
-
SEA
4h 44mnonstop
$163American Airlines
Fri, Feb 20 - Sat, Feb 28
Multiple Airlines Logo
1:16 pm - 11:14 pm
SEA
-
ORD
7h 58m
1 stop
Multiple Airlines Logo
5:29 pm - 8:16 pm
ORD
-
SEA
4h 47mnonstop
$174Multiple Airlines
Thu, Feb 19 - Tue, Feb 24
Frontier Logo
5:31 pm - 4:49 am
SEA
-
ORD
9h 18m
1 stop
Frontier Logo
8:55 pm - 8:20 pm
ORD
-
SEA
25h 25m
1 stop
$177Frontier
Sat, Mar 7 - Wed, Mar 11
Frontier Logo
12:30 pm - 4:53 pm
SEA
-
ORD
26h 23m
1 stop
Frontier Logo
7:19 pm - 10:54 am
ORD
-
SEA
17h 35m
1 stop
$182Frontier
Fri, Feb 20 - Mon, Feb 23
Alaska Airlines Logo
8:00 am - 2:11 pm
SEA
-
ORD
4h 11mnonstop
Alaska Airlines Logo
2:07 pm - 9:01 pm
ORD
-
SEA
8h 54m
1 stop
$186Alaska Airlines
Fri, Feb 27 - Fri, Mar 6
Alaska Airlines Logo
7:03 am - 1:13 pm
PDX
-
ORD
4h 10mnonstop
Alaska Airlines Logo
4:10 pm - 11:59 pm
ORD
-
PDX
9h 49m
1 stop
$217Alaska Airlines
Tue, Apr 7 - Fri, Apr 17
United Airlines Logo
7:00 am - 1:04 pm
PDX
-
ORD
4h 04mnonstop
United Airlines Logo
7:59 pm - 10:40 pm
ORD
-
PDX
4h 41mnonstop
$224United Airlines
Wed, Feb 18 - Fri, Feb 20
Multiple Airlines Logo
12:52 pm - 6:08 am
PDX
-
ORD
15h 16m
1 stop
Multiple Airlines Logo
8:58 pm - 11:09 am
ORD
-
PDX
40h 11m
2 stops
$226Multiple Airlines
Mon, Mar 9 - Wed, Mar 18
United Airlines Logo
12:44 pm - 10:52 pm
PSC
-
ORD
8h 08m
1 stop
United Airlines Logo
2:40 pm - 8:50 pm
ORD
-
PSC
8h 10m
1 stop
$351United Airlines
Tue, Feb 17 - Tue, Feb 24

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

Our best Frontier deals on State of Washington to Chicago O'Hare Intl Airport flight tickets
Frontier
Mar 7
SEA5:31 pmSeattle/Tacoma Intl
9h 18m
1 stop
ORD4:49 amChicago O'Hare Intl
Mar 11
ORD8:55 pmChicago O'Hare Intl
25h 25m
1 stop
SEA8:20 pmSeattle/Tacoma Intl
$177
Frontier
Feb 20
SEA12:30 pmSeattle/Tacoma Intl
26h 23m
1 stop
ORD4:53 pmChicago O'Hare Intl
Feb 23
ORD7:19 pmChicago O'Hare Intl
17h 35m
1 stop
SEA10:54 amSeattle/Tacoma Intl
$182
Frontier
Feb 20
SEA12:00 pmSeattle/Tacoma Intl
20h 38m
2 stops
ORD10:38 amChicago O'Hare Intl
Feb 23
ORD7:19 pmChicago O'Hare Intl
17h 35m
1 stop
SEA10:54 amSeattle/Tacoma Intl
$191

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

Our best Delta deals on State of Washington to Chicago O'Hare Intl Airport flight tickets
Delta
Feb 24
SEA5:55 pmSeattle/Tacoma Intl
3h 57m
ORD11:52 pmChicago O'Hare Intl
Feb 25
ORD7:40 amChicago O'Hare Intl
4h 45m
SEA10:25 amSeattle/Tacoma Intl
$197
Delta
Mar 27
SEA7:15 amSeattle/Tacoma Intl
4h 10m
ORD1:25 pmChicago O'Hare Intl
Mar 31
ORD7:25 amChicago O'Hare Intl
4h 40m
SEA10:05 amSeattle/Tacoma Intl
$207
Delta
Feb 18
SEA7:10 amSeattle/Tacoma Intl
4h 12m
ORD1:22 pmChicago O'Hare Intl
Feb 25
ORD7:40 amChicago O'Hare Intl
4h 45m
SEA10:25 amSeattle/Tacoma Intl
$214

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated February 1, 2026.
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

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 2/27

12:07 am-6:23 am

Nonstop4h 16m

Chicago O'Hare Intl

Sat 3/7

8:20 pm-11:04 pm

Nonstop4h 44m

$162

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 2/20

12:07 am-6:23 am

Nonstop4h 16m

Chicago O'Hare Intl

Sat 2/28

9:40 pm-12:24 am

Nonstop4h 44m

$163

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-11:14 pm

1 stop7h 58m

Chicago O'Hare Intl

Tue 2/24

5:29 pm-8:16 pm

Nonstop4h 47m

$174

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 3/7

5:31 pm-4:49 am

1 stop9h 18m

Chicago O'Hare Intl

Wed 3/11

8:55 pm-8:20 pm

1 stop25h 25m

$177

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 2/20

12:30 pm-4:53 pm

1 stop26h 23m

Chicago O'Hare Intl

Mon 2/23

7:19 pm-10:54 am

1 stop17h 35m

$182

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 2/27

8:00 am-2:11 pm

Nonstop4h 11m

Chicago O'Hare Intl

Fri 3/6

2:07 pm-9:01 pm

1 stop8h 54m

$186

PortlandChicago

PDX - ORD

PDXORD

Portland

Tue 4/7

7:03 am-1:13 pm

Nonstop4h 10m

Chicago O'Hare Intl

Fri 4/17

4:10 pm-11:59 pm

1 stop9h 49m

$217

PortlandChicago

PDX - ORD

PDXORD

Portland

Wed 2/18

7:00 am-1:04 pm

Nonstop4h 04m

Chicago O'Hare Intl

Fri 2/20

7:59 pm-10:40 pm

Nonstop4h 41m

$224

PortlandChicago

PDX - ORD

PDXORD

Portland

Mon 3/9

12:52 pm-6:08 am

1 stop15h 16m

Chicago O'Hare Intl

Wed 3/18

8:58 pm-11:09 am

2 stops40h 11m

$226

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 2/17

12:44 pm-10:52 pm

1 stop8h 08m

Chicago O'Hare Intl

Tue 2/24

2:40 pm-8:50 pm

1 stop8h 10m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

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

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 $267.

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 $386. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 $291 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $442. 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 $299 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 $253 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?

No. A direct flight is the cheapest option for a flight between State of Washington 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

Best Price Found

$168

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 $168. 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 $292.
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?

  • 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?

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
DeltaPriceFrom $97Free CancellationRating
7.9
8,128 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $114Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $137Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
United AirlinesPriceFrom $155Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $169Free CancellationRating
8.0
11,825 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights
SouthwestPriceFrom $194Free CancellationRating
8.0
4,273 reviews
Search Southwest flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Elgin
Aurora
South Holland

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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