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

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 Washington to Chicago. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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

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 Chicago with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

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

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 Chicago from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$89 CHEAP FLIGHTS from Washington to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$179

Overall average: $287

Frontier

Wed 4/22Mon 4/27

SEA - ORD • 1 stop

Cheapest non-stop

$180

Typical prices: $224-$391

Alaska Airlines

Sat 3/7Tue 3/10

SEA - ORD • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Chicago!

Flight Deals

Cheap Flights from Washington to Chicago

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Chicago

Wed, Apr 22 - Mon, Apr 27

6:57 pm - 9:50 am

SEA

ORD

12h 53m

1 stop

7:43 am - 9:27 am

ORD

SEA

27h 44m

2 stops

$179Frontier

Sat, Mar 7 - Tue, Mar 10

5:55 pm - 11:56 pm

SEA

ORD

4h 01mnonstop

7:00 am - 9:51 am

ORD

SEA

4h 51mnonstop

$180Alaska Airlines

Sat, Mar 7 - Sat, Mar 14

7:15 am - 1:31 pm

SEA

ORD

4h 16mnonstop

9:40 pm - 12:24 am

ORD

SEA

4h 44mnonstop

$181American Airlines

Tue, Mar 3 - Sat, Mar 7

6:45 am - 12:40 pm

SEA

MDW

3h 55mnonstop

9:40 pm - 12:15 am

MDW

SEA

4h 35mnonstop

$181Southwest

Sat, Mar 7 - Sat, Mar 14

7:55 pm - 5:35 am

SEA

MDW

7h 40m

1 stop

9:40 pm - 12:15 am

MDW

SEA

4h 35mnonstop

$182Southwest

Sat, Feb 28 - Sat, Mar 7

5:55 pm - 11:56 pm

SEA

ORD

4h 01mnonstop

3:07 pm - 11:40 pm

ORD

SEA

10h 33m

1 stop

$182Alaska Airlines

Wed, Apr 22 - Sun, Apr 26

6:57 pm - 9:50 am

SEA

ORD

12h 53m

1 stop

7:21 pm - 5:42 pm

ORD

SEA

24h 21m

1 stop

$184Frontier

Sat, Feb 28 - Sat, Mar 7

5:55 pm - 11:56 pm

SEA

ORD

4h 01mnonstop

7:00 am - 9:51 am

ORD

SEA

4h 51mnonstop

$186Hawaiian Airlines

Sat, Feb 28 - Sat, Mar 7

10:22 am - 4:33 pm

SEA

ORD

4h 11mnonstop

7:00 am - 9:51 am

ORD

SEA

4h 51mnonstop

$187Hawaiian Airlines

Sat, Mar 14 - Sun, Mar 15

11:59 pm - 5:56 am

PDX

ORD

3h 57mnonstop

9:44 pm - 12:15 am

ORD

PDX

4h 31mnonstop

$225American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$89

Most popular time to fly with an average 1% increase in price.

Flight from Seattle to Chicago O'Hare Airport

How does KAYAK find such low prices on flights from Washington to Chicago?
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 Washington to Chicago.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Chicago?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Chicago?
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 Chicago with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Chicago?
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 Chicago from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Merrillville

Saint Joseph

Hammond

Portage

Lansing

Valparaiso

Chesterton

Schererville

Munster

Porter

Monticello

Griffith

Saint John

Everything you need to know for your flight to Chicago

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Washington

First Class flights to Chicagofrom $547

Business Class flights to Chicagofrom $872

Premium Economy Class flights to Chicagofrom $407

Economy Class flights to Chicagofrom $177

$89 Find Cheap Flights from Washington to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

Everything you should know

Cheap Flights from Washington to Chicago

Recent round-trip flight deals from Washington to Chicago

Recent one-way flight deals from Washington to Chicago

Recent last minute flight deals from Washington to Chicago

Recent direct flight deals from Washington to Chicago

Good to know

FAQs for booking flights from Washington to Chicago

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

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 Washington to Chicago.

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

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

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

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 Chicago with an airline and back to Washington with another airline.

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

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 Chicago from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Chicago?

Everything you need to know for your flight to Chicago

Cabin class types available on flights to Washington

Complete your trip to Chicago with a hotel stay or car rental

Find direct flights for Chicago

Flights to other popular destinations

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Find deals for your return flight