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

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

What airlines fly to State of Washington?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to State of Washington from Chicago O'Hare Intl Airport according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 8 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Washington?

Prices for flights from Chicago O'Hare Intl Airport to Washington were last updated today.

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

There are 8 operators available for flights from Chicago O'Hare Intl Airport to Washington as of December 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$93 Cheap Flights from Chicago O'Hare Intl Airport to State of Washington in 2025/26

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

The number of flights available between Chicago O'Hare Intl Airport and State of Washington is 119 per week as of December 2025. The most frequent departure day is Tue, with 43% of weekly flights leaving on this day.

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

The number of flights available between Chicago O'Hare Intl Airport and State of Washington is 17 per day as of December 2025. The most frequent departure time is 8:00PM, with 42% of daily flights leaving at noon.

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Find the cheapest flights from Chicago O'Hare Intl Airport to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 4:01 pm

ORD

SEA

4h 41mnonstop

10:58 am - 5:05 pm

SEA

ORD

4h 07mnonstop

$177United Airlines

Thu, Jan 8 - Wed, Jan 14

7:36 pm - 10:20 pm

ORD

SEA

4h 44mnonstop

8:04 am - 2:15 pm

SEA

ORD

4h 11mnonstop

$178American Airlines

Thu, Jan 8 - Wed, Jan 14

3:35 pm - 6:22 pm

ORD

SEA

4h 47mnonstop

12:19 pm - 9:24 pm

SEA

ORD

7h 05m1 stop

$180Multiple Airlines

Tue, Jan 13 - Thu, Jan 15

6:00 am - 8:45 am

ORD

SEA

4h 45mnonstop

9:00 pm - 5:02 am

SEA

ORD

6h 02m1 stop

$184Alaska Airlines

Tue, Jan 6 - Tue, Jan 6

2:30 pm - 11:09 am

ORD

SEA

22h 39m1 stop

5:50 pm - 11:50 pm

SEA

ORD

4h 00mnonstop

$185Multiple Airlines

Thu, Jan 15 - Tue, Jan 20

6:06 pm - 8:56 pm

ORD

SEA

4h 50mnonstop

7:50 pm - 1:10 pm

SEA

ORD

15h 20m1 stop

$187Alaska Airlines

Thu, Jan 29 - Mon, Feb 2

10:32 pm - 9:34 am

ORD

PDX

13h 02m1 stop

10:44 am - 10:44 pm

PDX

ORD

34h 00m2 stops

$223Frontier

Thu, Jan 8 - Fri, Jan 23

6:15 am - 12:23 pm

ORD

PDX

8h 08m1 stop

10:29 am - 5:41 pm

PDX

ORD

29h 12m2 stops

$228Frontier

Thu, Jan 8 - Fri, Jan 9

1:50 pm - 11:09 pm

ORD

PSC

11h 19m2 stops

1:00 pm - 11:53 pm

PSC

ORD

8h 53m1 stop

$290Delta

Fri, Jan 30 - Sun, Feb 1

1:50 pm - 11:09 pm

ORD

PSC

11h 19m2 stops

6:50 am - 9:05 pm

PSC

ORD

12h 15m2 stops

$392Delta

Fri, Jan 30 - Sun, Feb 1

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

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

Southwest

Jan 8

ORD4:25 pmChicago O'Hare Intl

8h 40m

1 stop

SEA11:05 pmSeattle/Tacoma Intl

Jan 14

SEA8:45 amSeattle/Tacoma Intl

11h 50m

1 stop

ORD10:35 pmChicago O'Hare Intl

$202

Find similar

Southwest

Jan 6

ORD4:25 pmChicago O'Hare Intl

8h 40m

1 stop

SEA11:05 pmSeattle/Tacoma Intl

Jan 9

SEA8:45 amSeattle/Tacoma Intl

11h 50m

1 stop

ORD10:35 pmChicago O'Hare Intl

$222

Find similar

Southwest

Jan 7

ORD1:00 pmChicago O'Hare Intl

11h 35m

1 stop

SEA10:35 pmSeattle/Tacoma Intl

Jan 12

SEA8:45 amSeattle/Tacoma Intl

11h 50m

1 stop

ORD10:35 pmChicago O'Hare Intl

$228

Find similar

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

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

Alaska Airlines

Jan 6

ORD6:00 amChicago O'Hare Intl

4h 45m

SEA8:45 amSeattle/Tacoma Intl

Jan 6

SEA9:00 pmSeattle/Tacoma Intl

6h 02m

1 stop

ORD5:02 amChicago O'Hare Intl

$184

Find similar

Alaska Airlines

Jan 29

ORD8:00 amChicago O'Hare Intl

4h 46m

SEA10:46 amSeattle/Tacoma Intl

Feb 2

SEA7:50 pmSeattle/Tacoma Intl

15h 20m

1 stop

ORD1:10 pmChicago O'Hare Intl

$187

Find similar

Alaska Airlines

Jan 6

ORD6:00 amChicago O'Hare Intl

4h 45m

SEA8:45 amSeattle/Tacoma Intl

Jan 7

SEA12:41 pmSeattle/Tacoma Intl

8h 56m

1 stop

ORD11:37 pmChicago O'Hare Intl

$188

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

1:20 pm-4:01 pm

Nonstop4h 41m

Seattle/Tacoma Intl

Wed 1/14

10:58 am-5:05 pm

Nonstop4h 07m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/8

7:36 pm-10:20 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Wed 1/14

8:04 am-2:15 pm

Nonstop4h 11m

$178

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 1/13

3:35 pm-6:22 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Thu 1/15

12:19 pm-9:24 pm

1 stop7h 05m

$180

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 1/6

6:00 am-8:45 am

Nonstop4h 45m

Seattle/Tacoma Intl

Tue 1/6

9:00 pm-5:02 am

1 stop6h 02m

$184

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/15

2:30 pm-11:09 am

1 stop22h 39m

Seattle/Tacoma Intl

Tue 1/20

5:50 pm-11:50 pm

Nonstop4h 00m

$185

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 1/29

6:06 pm-8:56 pm

Nonstop4h 50m

Seattle/Tacoma Intl

Mon 2/2

7:50 pm-1:10 pm

1 stop15h 20m

$187

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 1/8

10:32 pm-9:34 am

1 stop13h 02m

Portland

Fri 1/23

10:44 am-10:44 pm

2 stops34h 00m

$223

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 1/8

6:15 am-12:23 pm

1 stop8h 08m

Portland

Fri 1/9

10:29 am-5:41 pm

2 stops29h 12m

$228

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Fri 1/30

1:50 pm-11:09 pm

2 stops11h 19m

Pasco Tri Cities

Sun 2/1

1:00 pm-11:53 pm

1 stop8h 53m

$290

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Fri 1/30

1:50 pm-11:09 pm

2 stops11h 19m

Pasco Tri Cities

Sun 2/1

6:50 am-9:05 pm

2 stops12h 15m

$392

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 Chicago O'Hare Intl Airport to State of Washington

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 State of Washington?

The month of September is, on average, the cheapest month to fly to State of Washington from Chicago O'Hare Intl Airport, with most prices found around $224. If you aren’t able to travel to State of Washington during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $232.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Chicago O'Hare Intl Airport to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $329. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to State of Washington for around $447.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $324. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $368 on average. Flights to State of Washington from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Chicago O'Hare Intl Airport for as low as $245 on momondo.

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

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

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

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

Best Price Found	$180
Fastest flight time	3h 50m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Chicago O'Hare Intl Airport in the past 72 hours is $180. The best round-trip flight deal from Chicago O'Hare Intl Airport to State of Washington found on momondo in the last 72 hours is $252.

The fastest flight from Chicago O'Hare Intl Airport to State of Washington takes 3h 50m

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

There are 96 airports in State of Washington. From Chicago O'Hare Intl Airport there are direct flights to Portland (PDX), Spokane (GEG).

Search flight deals

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Washington?
Prices for flights from Chicago O'Hare Intl Airport to Washington were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Washington?
There are 8 operators available for flights from Chicago O'Hare Intl Airport to Washington as of December 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to State of Washington is Boeing 737-800, representing 24.63% of all bookings. The subsequent popular models are Airbus A321neo at 15.02%, Boeing 737 MAX 8 at 12.39%, and Boeing 737 MAX 9 at 9.61%.

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

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

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $91	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines flights
Spirit Airlines	PriceFrom $95	Free Cancellation	Rating 6.3 8,188 reviews	Search Spirit Airlines flights
Delta	PriceFrom $119	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Frontier	PriceFrom $153	Free Cancellation	Rating 5.8 3,082 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $169	Free Cancellation	Rating 8.0 11,465 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $176	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Southwest	PriceFrom $279	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Washington for you.

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

Yes. momondo enables you to select and highlight flights to Washington from Chicago with this policy.

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

momondo helps you find the best flight between Chicago and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Chicago to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

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Chicago O'Hare Intl Airport flight routes

Flights from Chicago O'Hare Intl to Baltimore/Washington

Flights from Chicago O'Hare Intl to Minneapolis St Paul

Flights from Chicago O'Hare Intl to Atlanta Hartsfield-Jackson

Flights from Chicago O'Hare Intl to New York John F Kennedy Intl

Flights from Chicago O'Hare Intl to Austin Bergstrom

Flights from Chicago O'Hare Intl to Tweed-New Haven

Cheap flights from Chicago O'Hare Intl Airport to Washington from $93

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

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

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

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

momondo Fare Finder

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

See travel insights to Washington from

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

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

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

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

How far in advance should I book a flight to State of Washington?

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

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

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

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

What airlines fly to State of Washington?

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

The number of flights available between Chicago O'Hare Intl Airport and State of Washington is 17 per day as of December 2025. The most frequent departure time is 8:00PM, with 42% of daily flights leaving at noon.

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

The number of flights available between Chicago O'Hare Intl Airport and State of Washington is 119 per week as of December 2025. The most frequent departure day is Tue, with 43% of weekly flights leaving on this day.

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Washington?

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

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

What documentation or ID do you need to fly to Washington?

What is the most popular plane model from Chicago O'Hare Intl Airport to State of Washington?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo