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>

$125 CHEAP FLIGHTS from Washington to Chicago

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

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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

Fri, Jul 10 - Sat, Jul 18

8:12 pm - 5:28 am

SEA

ORD

7h 16m

1 stop

9:57 pm - 9:49 am

ORD

SEA

13h 52m

1 stop

$245Frontier

Fri, Jun 12 - Tue, Jun 16

7:41 pm - 8:43 pm

SEA

ORD

23h 02m

1 stop

9:48 pm - 9:48 am

ORD

SEA

14h 00m

1 stop

$246Frontier

Thu, Aug 13 - Mon, Aug 17

7:41 pm - 8:52 pm

SEA

ORD

23h 11m

1 stop

7:15 am - 10:35 am

ORD

SEA

29h 20m

1 stop

$248Frontier

Tue, May 26 - Tue, Jun 2

1:59 pm - 10:59 pm

GEG

ORD

7h 00m

1 stop

6:00 am - 1:04 pm

ORD

GEG

9h 04m

1 stop

$277Alaska Airlines

Wed, Sep 2 - Tue, Sep 8

12:28 pm - 8:53 pm

GEG

ORD

6h 25m

1 stop

7:00 am - 11:52 am

ORD

GEG

6h 52m

1 stop

$284Multiple Airlines

Mon, May 25 - Tue, Jun 2

5:00 am - 2:32 pm

GEG

ORD

7h 32m

1 stop

6:00 am - 11:42 am

ORD

GEG

7h 42m

1 stop

$286Alaska Airlines

Mon, Jul 20 - Fri, Jul 31

12:26 pm - 8:52 pm

PDX

ORD

6h 26m

1 stop

7:20 am - 9:45 am

ORD

PDX

4h 25mnonstop

$289Multiple 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

Wed, Jun 3 - Tue, Jun 9

11:55 pm - 5:50 am

PDX

MDW

3h 55mnonstop

10:15 am - 12:30 pm

MDW

PDX

4h 15mnonstop

$305Southwest

Thu, May 28 - Wed, Jun 3

5:10 am - 11:05 am

PDX

MDW

3h 55mnonstop

5:35 pm - 11:00 pm

MDW

PDX

7h 25m

1 stop

$315Southwest

Useful Info

Low season	February
High season	July
Cheapest flight	$125

Best time to beat the crowds with an average 21% drop in price.

Most popular time to fly and prices are also 1% lower on average.

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 $852

Economy Class flights to Chicagofrom $262

$125 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