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>

$124 CHEAP FLIGHTS from Washington to Chicago

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

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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

Mon, May 18 - Tue, May 19

11:06 am - 6:39 am

SEA

ORD

17h 33m

1 stop

8:56 pm - 6:35 pm

ORD

SEA

23h 39m

1 stop

$236Frontier

Sun, May 10 - Wed, May 13

7:50 pm - 8:32 pm

SEA

ORD

22h 42m

1 stop

9:37 pm - 9:49 am

ORD

SEA

14h 12m

1 stop

$237Frontier

Wed, May 27 - Wed, Jun 3

12:33 pm - 8:32 pm

GEG

ORD

5h 59m

1 stop

2:10 pm - 9:45 pm

ORD

GEG

9h 35m

1 stop

$264Multiple Airlines

Wed, May 27 - Sat, Jun 6

12:33 pm - 8:32 pm

GEG

ORD

5h 59m

1 stop

3:28 pm - 9:18 pm

ORD

GEG

7h 50m

1 stop

$273Multiple Airlines

Wed, May 27 - Wed, Jun 3

12:46 pm - 10:59 pm

GEG

ORD

8h 13m

1 stop

7:40 am - 1:04 pm

ORD

GEG

7h 24m

1 stop

$277Alaska Airlines

Mon, May 25 - Tue, Jun 2

5:00 am - 2:32 pm

GEG

ORD

7h 32m

1 stop

7:40 am - 1:04 pm

ORD

GEG

7h 24m

1 stop

$286Alaska Airlines

Wed, May 27 - Wed, Jun 3

2:08 pm - 8:07 pm

GEG

ORD

3h 59mnonstop

11:30 am - 1:24 pm

ORD

GEG

3h 54mnonstop

$297American Airlines

Sun, May 24 - Sat, May 30

11:55 pm - 5:50 am

PDX

MDW

3h 55mnonstop

6:05 pm - 8:25 pm

MDW

PDX

4h 20mnonstop

$305Southwest

Wed, May 27 - Wed, Jun 3

2:08 pm - 8:07 pm

GEG

ORD

3h 59mnonstop

3:22 pm - 11:20 pm

ORD

GEG

9h 58m

1 stop

$307American Airlines

Tue, May 26 - Tue, Jun 2

11:55 pm - 5:50 am

PDX

MDW

3h 55mnonstop

6:05 pm - 11:10 pm

MDW

PDX

7h 05m

1 stop

$315Southwest

Useful Info

Low season	February
High season	July
Cheapest flight	$124

Best time to beat the crowds with an average 20% drop 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

Saint John

Griffith

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 $517

Business Class flights to Chicagofrom $638

Premium Economy Class flights to Chicagofrom $498

Economy Class flights to Chicagofrom $248

$124 Find Cheap Flights from Washington to Chicago

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

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