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

Frontier, Alaska Airlines, and Delta 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 34% 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 October 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.

$54 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 510 per week as of October 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:35 pm - 6:22 pmORD-SEA

4h 47mnonstop

12:18 am - 6:21 amSEA-ORD

4h 03mnonstop

$177Alaska Airlines

Find Deal

Sat, Dec 6 - Sun, Dec 7

6:00 am - 11:57 amORD-SEA

7h 57m1 stop

3:31 pm - 9:40 pmSEA-ORD

4h 09mnonstop

$178Multiple Airlines

Find Deal

Sun, Nov 9 - Sat, Nov 15

6:00 pm - 8:45 pmORD-SEA

4h 45mnonstop

5:55 pm - 11:50 pmSEA-ORD

3h 55mnonstop

$179Delta

Find Deal

Fri, Oct 31 - Sat, Nov 8

7:00 am - 2:46 pmORD-SEA

9h 46m1 stop

6:15 pm - 12:24 amSEA-ORD

4h 09mnonstop

$181Hawaiian Airlines

Find Deal

Fri, Oct 31 - Sat, Nov 8

7:00 am - 2:46 pmORD-SEA

9h 46m1 stop

6:15 pm - 12:24 amSEA-ORD

4h 09mnonstop

$182Hawaiian Airlines

Find Deal

Fri, Oct 31 - Sat, Nov 8

7:37 am - 10:15 amORD-SEA

4h 38mnonstop

11:55 pm - 8:30 amSEA-ORD

6h 35m1 stop

$188Delta

Find Deal

Fri, Oct 31 - Sat, Nov 8

7:35 am - 10:25 amORD-SEA

4h 50mnonstop

12:59 am - 6:59 amSEA-ORD

4h 00mnonstop

$206American Airlines

Find Deal

Mon, Nov 10 - Sun, Nov 16

8:30 pm - 11:18 pmORD-SEA

4h 48mnonstop

12:59 am - 6:59 amSEA-ORD

4h 00mnonstop

$209American Airlines

Find Deal

Tue, Nov 11 - Sat, Nov 15

7:55 pm - 10:33 pmORD-PDX

4h 38mnonstop

8:30 am - 6:53 pmPDX-ORD

8h 23m1 stop

$237United Airlines

Find Deal

Thu, Nov 13 - Tue, Nov 18

7:55 pm - 10:35 pmORD-PDX

4h 40mnonstop

1:00 pm - 11:10 pmPDX-ORD

8h 10m1 stop

$241United Airlines

Find Deal

Wed, Nov 5 - Tue, Nov 11

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

Dec 6

ORD3:35 pmChicago O'Hare Intl

4h 47m

SEA6:22 pmSeattle/Tacoma Intl

Dec 7

SEA12:18 amSeattle/Tacoma Intl

4h 03m

ORD6:21 amChicago O'Hare Intl

$177

Find similar

Alaska Airlines

Nov 14

ORD2:05 pmChicago O'Hare Intl

6h 43m

1 stop

SEA6:48 pmSeattle/Tacoma Intl

Nov 18

SEA10:15 amSeattle/Tacoma Intl

4h 15m

ORD4:30 pmChicago O'Hare Intl

$185

Find similar

Alaska Airlines

Nov 5

ORD8:00 amChicago O'Hare Intl

4h 44m

SEA10:44 amSeattle/Tacoma Intl

Nov 9

SEA7:40 pmSeattle/Tacoma Intl

7h 21m

1 stop

ORD5:01 amChicago O'Hare Intl

$186

Find similar

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

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

Delta

Oct 31

ORD6:00 pmChicago O'Hare Intl

4h 45m

SEA8:45 pmSeattle/Tacoma Intl

Nov 8

SEA5:55 pmSeattle/Tacoma Intl

3h 55m

ORD11:50 pmChicago O'Hare Intl

$179

Find similar

Delta

Oct 31

ORD7:37 amChicago O'Hare Intl

4h 38m

SEA10:15 amSeattle/Tacoma Intl

Nov 8

SEA11:55 pmSeattle/Tacoma Intl

6h 35m

1 stop

ORD8:30 amChicago O'Hare Intl

$188

Find similar

Delta

Nov 21

ORD7:47 amChicago O'Hare Intl

4h 53m

SEA10:40 amSeattle/Tacoma Intl

Nov 24

SEA11:55 pmSeattle/Tacoma Intl

6h 35m

1 stop

ORD8:30 amChicago O'Hare Intl

$207

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

Sat 12/6

3:35 pm-6:22 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Sun 12/7

12:18 am-6:21 am

Nonstop4h 03m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sun 11/9

6:00 am-11:57 am

1 stop7h 57m

Seattle/Tacoma Intl

Sat 11/15

3:31 pm-9:40 pm

Nonstop4h 09m

$178

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 10/31

6:00 pm-8:45 pm

Nonstop4h 45m

Seattle/Tacoma Intl

Sat 11/8

5:55 pm-11:50 pm

Nonstop3h 55m

$179

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 10/31

7:00 am-2:46 pm

1 stop9h 46m

Seattle/Tacoma Intl

Sat 11/8

6:15 pm-12:24 am

Nonstop4h 09m

$181

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 10/31

7:00 am-2:46 pm

1 stop9h 46m

Seattle/Tacoma Intl

Sat 11/8

6:15 pm-12:24 am

Nonstop4h 09m

$182

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 10/31

7:37 am-10:15 am

Nonstop4h 38m

Seattle/Tacoma Intl

Sat 11/8

11:55 pm-8:30 am

1 stop6h 35m

$188

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 11/10

7:35 am-10:25 am

Nonstop4h 50m

Seattle/Tacoma Intl

Sun 11/16

12:59 am-6:59 am

Nonstop4h 00m

$206

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 11/11

8:30 pm-11:18 pm

Nonstop4h 48m

Seattle/Tacoma Intl

Sat 11/15

12:59 am-6:59 am

Nonstop4h 00m

$209

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 11/13

7:55 pm-10:33 pm

Nonstop4h 38m

Portland

Tue 11/18

8:30 am-6:53 pm

1 stop8h 23m

$237

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 11/5

7:55 pm-10:35 pm

Nonstop4h 40m

Portland

Tue 11/11

1:00 pm-11:10 pm

1 stop8h 10m

$241

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 $229. 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 $241.

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 $337. When flying out on a Sunday, 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 $453.

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 $330. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $377 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 Spokane 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 $287 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 $252 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.

Can stopping save me money on Chicago O'Hare Intl Airport to State of Washington flights?

You could potentially save up to 3% on your flight if you consider stops on a Chicago O'Hare Intl Airport to State of Washington flight.

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	$137
Fastest flight time	3h 50m
Direct flights	Every day
Airports in State of Washington	1 airport

The best one-way flight to State of Washington from Chicago O'Hare Intl Airport in the past 72 hours is $137. 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 $246.

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 is 1 airport near State of Washington: 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 October 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 737-900 Passenger/BBJ3 (winglets), representing 17.95% of all bookings. The subsequent popular models are Boeing 737-800 at 17.04%, Boeing 737 MAX 9 at 13.45%, and Airbus A321neo at 11.16%.

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 2,779 reviews	Search Hawaiian Airlines flights
Spirit Airlines	PriceFrom $105	Free Cancellation	Rating 6.3 8,097 reviews	Search Spirit Airlines flights
Delta	PriceFrom $119	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights
Frontier	PriceFrom $127	Free Cancellation	Rating 5.8 3,135 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $169	Free Cancellation	Rating 8.0 11,082 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $172	Free Cancellation	Rating 7.2 11,044 reviews	Search American Airlines flights
United Airlines	PriceFrom $177	Free Cancellation	Rating 7.4 8,977 reviews	Search United Airlines flights
Southwest	PriceFrom $279	Free Cancellation	Rating 8.0 4,238 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.

An easier way to manage your State of Washington trip

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Chicago O'Hare Intl Airport flight routes

Flights from Chicago O'Hare Intl to Nashville Intl

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 Raleigh-Durham

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

Flights from Chicago O'Hare Intl to Orlando

Cheap flights from Chicago O'Hare Intl Airport to Washington from $54

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

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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

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

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

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

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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

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 Spokane 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.

Can stopping save me money on Chicago O'Hare Intl Airport to State of Washington flights?

You could potentially save up to 3% on your flight if you consider stops on a Chicago O'Hare Intl Airport to State of Washington flight.

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

Frontier, Alaska Airlines, and Delta 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 72 per day as of October 2025. The most frequent departure time is 5:00PM, with 48% of daily flights leaving in the afternoon.

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 510 per week as of October 2025. The most frequent departure day is Mon, with 16% 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