What is the cheapest airline that flies from Chicago to Washington?

Alaska Airlines, Southwest, and United Airlines are the most popular carriers operating from Chicago to Washington

How many flights depart from Chicago to State of Washington on average per day?

As of May 2026, there are 67 flights per day flying from Chicago to State of Washington. The most common time of day flights depart is 7:00PM, with 47% of flights taking off in the evening.

What airlines fly to State of Washington?

Alaska Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to State of Washington from Chicago according to our data. Alaska Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago to State of Washington on average per week?

470 flights are operational weekly from Chicago to State of Washington as of May 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

When did momondo last update prices for flights from Chicago to Washington?

Prices for flights from Chicago to Washington were last updated today.

How many operators does momondo search for flights from Chicago to Washington?

The number of operators available for flights from Chicago to Washington is 8 as of May 2026.

How old do you have to be to fly from Chicago to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Washington.

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

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$124 Cheap Flights from Chicago to Washington in 2026

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Find the cheapest flights from Chicago to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:57 pm - 9:49 am

ORD

SEA

13h 52m

1 stop

8:12 pm - 5:28 am

SEA

ORD

7h 16m

1 stop

$244Frontier

Sat, Jul 18 - Wed, Jul 29

6:00 am - 11:42 am

ORD

GEG

7h 42m

1 stop

12:33 pm - 8:32 pm

GEG

ORD

5h 59m

1 stop

$244Multiple Airlines

Tue, Jun 2 - Wed, Jun 3

8:46 pm - 6:35 pm

ORD

SEA

23h 49m

1 stop

7:50 pm - 8:32 pm

SEA

ORD

22h 42m

1 stop

$246Frontier

Fri, May 29 - Fri, Jun 5

2:10 pm - 9:45 pm

ORD

GEG

9h 35m

1 stop

7:01 am - 6:50 pm

GEG

ORD

9h 49m

1 stop

$277Alaska Airlines

Tue, Jun 2 - Wed, Jun 3

2:10 pm - 9:45 pm

ORD

GEG

9h 35m

1 stop

12:46 pm - 10:59 pm

GEG

ORD

8h 13m

1 stop

$295Alaska Airlines

Tue, Jun 2 - Wed, Jun 3

11:24 am - 1:21 pm

ORD

GEG

3h 57mnonstop

2:14 pm - 8:10 pm

GEG

ORD

3h 56mnonstop

$297American Airlines

Tue, Jun 2 - Wed, Jun 3

11:30 am - 1:24 pm

ORD

GEG

3h 54mnonstop

2:01 pm - 7:59 pm

GEG

ORD

3h 58mnonstop

$306American Airlines

Wed, Jun 3 - Sat, Jun 6

9:29 am - 11:50 am

ORD

GEG

4h 21mnonstop

4:08 pm - 12:44 am

GEG

ORD

6h 36m

1 stop

$307United Airlines

Tue, Jun 2 - Tue, Jun 9

7:13 pm - 11:06 pm

MDW

GEG

5h 53m

1 stop

10:40 pm - 10:00 am

GEG

MDW

9h 20m

1 stop

$317Delta

Tue, May 26 - Tue, Jun 2

12:53 pm - 9:20 pm

MDW

GEG

10h 27m

1 stop

7:23 pm - 8:42 am

GEG

MDW

11h 19m

2 stops

$322Delta

Tue, May 26 - Tue, Jun 2

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Frontier flights from Chicago to State of Washington

Our best Frontier deals on Chicago to State of Washington flight tickets

Frontier

Jul 18

ORD9:57 pmChicago O'Hare Intl

13h 52m

1 stop

SEA9:49 amSeattle/Tacoma Intl

Jul 29

SEA8:12 pmSeattle/Tacoma Intl

7h 16m

1 stop

ORD5:28 amChicago O'Hare Intl

$244

Frontier

May 29

ORD8:46 pmChicago O'Hare Intl

23h 49m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

Jun 5

SEA7:50 pmSeattle/Tacoma Intl

22h 42m

1 stop

ORD8:32 pmChicago O'Hare Intl

$246

Frontier

Jul 10

ORD9:57 pmChicago O'Hare Intl

13h 52m

1 stop

SEA9:49 amSeattle/Tacoma Intl

Jul 14

SEA8:12 pmSeattle/Tacoma Intl

7h 16m

1 stop

ORD5:28 amChicago O'Hare Intl

$250

Southwest flights from Chicago to State of Washington

Our best Southwest deals on Chicago to State of Washington flight tickets

Southwest

May 28

MDW9:50 pmChicago Midway

4h 20m

PDX12:10 amPortland

Jun 2

PDX5:40 amPortland

3h 55m

MDW11:35 amChicago Midway

$305

Southwest

May 28

MDW9:50 pmChicago Midway

4h 20m

PDX12:10 amPortland

Jun 2

PDX1:35 pmPortland

5h 55m

1 stop

MDW9:30 pmChicago Midway

$315

Southwest

Jun 4

MDW9:35 pmChicago Midway

4h 20m

PDX11:55 pmPortland

Jun 9

PDX11:30 pmPortland

3h 50m

MDW5:20 amChicago Midway

$316

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 7/18

9:57 pm-9:49 am

1 stop13h 52m

Seattle/Tacoma Intl

Wed 7/29

8:12 pm-5:28 am

1 stop7h 16m

$244

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/2

6:00 am-11:42 am

1 stop7h 42m

Spokane

Wed 6/3

12:33 pm-8:32 pm

1 stop5h 59m

$244

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 5/29

8:46 pm-6:35 pm

1 stop23h 49m

Seattle/Tacoma Intl

Fri 6/5

7:50 pm-8:32 pm

1 stop22h 42m

$246

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/2

2:10 pm-9:45 pm

1 stop9h 35m

Spokane

Wed 6/3

7:01 am-6:50 pm

1 stop9h 49m

$277

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/2

2:10 pm-9:45 pm

1 stop9h 35m

Spokane

Wed 6/3

12:46 pm-10:59 pm

1 stop8h 13m

$295

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/2

11:24 am-1:21 pm

Nonstop3h 57m

Spokane

Wed 6/3

2:14 pm-8:10 pm

Nonstop3h 56m

$297

Quickest round-trip

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Wed 6/3

11:30 am-1:24 pm

Nonstop3h 54m

Spokane

Sat 6/6

2:01 pm-7:59 pm

Nonstop3h 58m

$306

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/2

9:29 am-11:50 am

Nonstop4h 21m

Spokane

Tue 6/9

4:08 pm-12:44 am

1 stop6h 36m

$307

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

Tue 5/26

7:13 pm-11:06 pm

1 stop5h 53m

Spokane

Tue 6/2

10:40 pm-10:00 am

1 stop9h 20m

$317

ChicagoSpokane

MDW - GEG

MDWGEG

Chicago Midway

Tue 5/26

12:53 pm-9:20 pm

1 stop10h 27m

Spokane

Tue 6/2

7:23 pm-8:42 am

2 stops11h 19m

$322

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 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 January is, on average, the cheapest month to fly to State of Washington from Chicago, with most prices found around $88. If you aren’t able to travel to State of Washington during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $249.

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

The cheapest day to depart from Chicago to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $338. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to State of Washington for around $454.

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 at noon when flights can be purchased for as low as $344. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $386 on average. Flights to State of Washington from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago to Washington flight route?

Fly from Chicago Midway to Seattle/Tacoma Intl for the best Chicago - Washington flight prices

How far in advance should I book a flight from Chicago to Washington?

You are more likely to see cheaper flights to State of Washington from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $288 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 for as low as $252 on momondo.

Can stopping save me money on Chicago to State of Washington flights?

You could potentially save up to 30% on your flight if you consider stops on a Chicago to State of Washington flight.

Cheap Chicago to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to State of Washington

Best Price Found	$185
Fastest flight time	3h 45m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Chicago in the past 72 hours is $185. The best round-trip flight deal from Chicago to State of Washington found on momondo in the last 72 hours is $315.

The fastest flight from Chicago to State of Washington takes 3h 45m

Direct flights go from Chicago to State of Washington every day.

There are 96 airports in State of Washington. From Chicago there are direct flights to Spokane (GEG).

Search flight deals

Frequently asked questions about flying from Chicago to Washington

When did momondo last update prices for flights from Chicago to Washington?
Prices for flights from Chicago to Washington were last updated today.
How many operators does momondo search for flights from Chicago to Washington?
The number of operators available for flights from Chicago to Washington is 8 as of May 2026.
How old do you have to be to fly from Chicago to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to State of Washington?
Based on momondo bookings for flights between Chicago and State of Washington, the leading plane model is Boeing 737-900, making up 16.02% of the total bookings. Other popular models include Boeing 737-800 with 15.68%, Airbus A321neo with 15.54%, and Boeing 737 MAX 8 with 14.38%.

Best airlines flying from Chicago to State of Washington

Compare and see reviews for airlines that fly from Chicago to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $84	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $110	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
Frontier	PriceFrom $143	Free Cancellation	Rating 5.6 2,965 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $168	Free Cancellation	Rating 7.9 12,324 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $175	Free Cancellation	Rating 7.1 11,670 reviews	Search American Airlines flights
United Airlines	PriceFrom $177	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights
Southwest	PriceFrom $194	Free Cancellation	Rating 7.9 4,307 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?

momondo does allow users to show only those flights to Washington from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Chicago to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Chicago to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Washington from $107

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Chicago to State of Washington

Our best Frontier deals on Chicago to State of Washington flight tickets

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Our best Southwest deals on Chicago to State of Washington flight tickets

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How to get the cheapest flight ticket from Chicago 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 to Washington flight route?

How far in advance should I book a flight from Chicago to Washington?

Can stopping save me money on Chicago to State of Washington flights?

What is the cheapest airline that flies from Chicago to Washington?

What airlines fly to State of Washington?

How many flights depart from Chicago to State of Washington on average per day?

How many flights depart from Chicago to State of Washington on average per week?

Cheap Chicago to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to State of Washington

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Chicago to Washington

Best airlines flying from Chicago to State of Washington

Compare and see reviews for airlines that fly from Chicago to State of Washington with momondo

Why use momondo?

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

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