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Cheap flights from Chicago to Washington from $89

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 2/25. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
9:55 pm - 12:30 am
MDW
-
SEA
4h 35mnonstop
Southwest Logo
11:55 pm - 5:50 am
SEA
-
MDW
3h 55mnonstop
$177Southwest
Fri, Mar 13 - Sun, Mar 22
United Airlines Logo
8:01 pm - 10:45 pm
ORD
-
SEA
4h 44mnonstop
United Airlines Logo
7:00 am - 1:06 pm
SEA
-
ORD
4h 06mnonstop
$177United Airlines
Fri, Mar 6 - Sun, Mar 8
Frontier Logo
8:10 am - 8:13 am
ORD
-
SEA
26h 03m
1 stop
Frontier Logo
9:36 pm - 6:08 am
SEA
-
ORD
30h 32m
1 stop
$180Frontier
Wed, Mar 4 - Mon, Mar 9
Hawaiian Airlines Logo
7:00 am - 9:51 am
ORD
-
SEA
4h 51mnonstop
Hawaiian Airlines Logo
1:56 pm - 11:59 pm
SEA
-
ORD
8h 03m
1 stop
$181Hawaiian Airlines
Thu, Feb 19 - Wed, Feb 25
Alaska Airlines Logo
7:24 pm - 10:05 pm
ORD
-
SEA
4h 41mnonstop
Alaska Airlines Logo
12:35 am - 6:39 am
SEA
-
ORD
4h 04mnonstop
$182Alaska Airlines
Wed, Mar 18 - Wed, Mar 18
American Airlines Logo
9:40 pm - 12:24 am
ORD
-
SEA
4h 44mnonstop
American Airlines Logo
12:13 am - 6:29 am
SEA
-
ORD
4h 16mnonstop
$186American Airlines
Sat, Mar 7 - Fri, Mar 13
Delta Logo
7:25 am - 10:05 am
ORD
-
SEA
4h 40mnonstop
Delta Logo
7:15 am - 1:23 pm
SEA
-
ORD
4h 08mnonstop
$187Delta
Wed, Apr 8 - Tue, Apr 14
American Airlines Logo
9:40 pm - 12:24 am
ORD
-
SEA
4h 44mnonstop
American Airlines Logo
12:07 am - 6:23 am
SEA
-
ORD
4h 16mnonstop
$188American Airlines
Mon, Mar 30 - Wed, Apr 1
Alaska Airlines Logo
5:29 pm - 11:44 pm
ORD
-
PDX
8h 15m
1 stop
Alaska Airlines Logo
2:31 pm - 11:59 pm
PDX
-
ORD
7h 28m
1 stop
$217Alaska Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
1:49 pm - 8:30 pm
MDW
-
PDX
8h 41m
1 stop
Delta Logo
12:09 pm - 10:33 pm
PDX
-
MDW
8h 24m
1 stop
$217Delta
Tue, Feb 24 - Tue, Mar 3

Frontier flights from Chicago to State of Washington

Our best Frontier deals on Chicago to State of Washington flight tickets
Frontier
Mar 4
ORD8:10 amChicago O'Hare Intl
26h 03m
1 stop
SEA8:13 amSeattle/Tacoma Intl
Mar 9
SEA9:36 pmSeattle/Tacoma Intl
30h 32m
1 stop
ORD6:08 amChicago O'Hare Intl
$180
Frontier
Mar 5
ORD4:16 pmChicago O'Hare Intl
21h 03m
1 stop
SEA11:19 amSeattle/Tacoma Intl
Mar 9
SEA12:24 pmSeattle/Tacoma Intl
17h 59m
2 stops
ORD8:23 amChicago O'Hare Intl
$185
Frontier
Apr 16
ORD10:55 amChicago O'Hare Intl
24h 32m
1 stop
SEA9:27 amSeattle/Tacoma Intl
Apr 19
SEA6:57 pmSeattle/Tacoma Intl
12h 53m
1 stop
ORD9:50 amChicago O'Hare Intl
$190

Alaska Airlines flights from Chicago to State of Washington

Our best Alaska Airlines deals on Chicago to State of Washington flight tickets
Alaska Airlines
Mar 18
ORD7:24 pmChicago O'Hare Intl
4h 41m
SEA10:05 pmSeattle/Tacoma Intl
Mar 18
SEA12:35 amSeattle/Tacoma Intl
4h 04m
ORD6:39 amChicago O'Hare Intl
$182
Alaska Airlines
Mar 2
ORD1:00 pmChicago O'Hare Intl
4h 46m
SEA3:46 pmSeattle/Tacoma Intl
Mar 2
SEA5:55 pmSeattle/Tacoma Intl
4h 01m
ORD11:56 pmChicago O'Hare Intl
$192
Alaska Airlines
Feb 16
ORD7:00 amChicago O'Hare Intl
4h 51m
SEA9:51 amSeattle/Tacoma Intl
Feb 23
SEA1:56 pmSeattle/Tacoma Intl
8h 03m
1 stop
ORD11:59 pmChicago O'Hare Intl
$212

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Chicago to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSeattle

MDW - SEA

MDWSEA

Chicago Midway

Fri 3/13

9:55 pm-12:30 am

Nonstop4h 35m

Seattle/Tacoma Intl

Sun 3/22

11:55 pm-5:50 am

Nonstop3h 55m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 3/6

8:01 pm-10:45 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Sun 3/8

7:00 am-1:06 pm

Nonstop4h 06m

$177

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 3/4

8:10 am-8:13 am

1 stop26h 03m

Seattle/Tacoma Intl

Mon 3/9

9:36 pm-6:08 am

1 stop30h 32m

$180

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 2/19

7:00 am-9:51 am

Nonstop4h 51m

Seattle/Tacoma Intl

Wed 2/25

1:56 pm-11:59 pm

1 stop8h 03m

$181

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 3/18

7:24 pm-10:05 pm

Nonstop4h 41m

Seattle/Tacoma Intl

Wed 3/18

12:35 am-6:39 am

Nonstop4h 04m

$182

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 3/7

9:40 pm-12:24 am

Nonstop4h 44m

Seattle/Tacoma Intl

Fri 3/13

12:13 am-6:29 am

Nonstop4h 16m

$186

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 4/8

7:25 am-10:05 am

Nonstop4h 40m

Seattle/Tacoma Intl

Tue 4/14

7:15 am-1:23 pm

Nonstop4h 08m

$187

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 3/30

9:40 pm-12:24 am

Nonstop4h 44m

Seattle/Tacoma Intl

Wed 4/1

12:07 am-6:23 am

Nonstop4h 16m

$188

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Tue 2/24

5:29 pm-11:44 pm

1 stop8h 15m

Portland

Tue 3/3

2:31 pm-11:59 pm

1 stop7h 28m

$217

ChicagoPortland

MDW - PDX

MDWPDX

Chicago Midway

Tue 2/24

1:49 pm-8:30 pm

1 stop8h 41m

Portland

Tue 3/3

12:09 pm-10:33 pm

1 stop8h 24m

$217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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

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

The month of February is, on average, the cheapest month to fly to State of Washington from Chicago, with most prices found around $214. If you aren’t able to travel to State of Washington during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $239.

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 Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $324. 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 $441.

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 $359 on average. Flights to State of Washington from Chicago in the morning 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 to State of 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 $278 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 $242 on momondo.

What cabin class options are available on Chicago to Washington flights?

There are 4 cabin classes available to choose from on Chicago 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 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

$108

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 $108. The best round-trip flight deal from Chicago to State of Washington found on momondo in the last 72 hours is $186.
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 Portland (PDX), Spokane (GEG).
Search flight deals

  • 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?

  • 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?

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 AirlinesPriceFrom $84Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
8,127 reviews
Search Delta flights
FrontierPriceFrom $142Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
United AirlinesPriceFrom $165Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $168Free CancellationRating
8.0
11,807 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
SouthwestPriceFrom $194Free CancellationRating
8.0
4,267 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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