$149+ Cheap flights from Chicago (CHI) to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SEA
Sep 5 — Sep 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chicago to Washington with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Washington
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to WashingtonExplore the most affordable flight options available from Chicago to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from Chicago to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:41 pm -
1 stop23h 39m
Tue 9/810:34 am -
1 stop17h 43m
Deal found 8/3![Frontier logo]()
$283
This SmartFares deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop7h 37m
Tue 9/223:34 pm -
1 stop6h 25m
Deal found 8/1![Alaska Airlines logo]()
$283
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Tue 9/1510:57 am -
1 stop16h 41m
Deal found 8/3![Frontier logo]()
$284
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Mon 9/147:45 pm -
1 stop7h 53m
Deal found 8/3![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am -
1 stop10h 38m
Thu 10/19:45 pm -
1 stop29h 53m
Deal found 8/4![Frontier logo]()
$286
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:55 pm -
Nonstop4h 25m
Wed 9/2311:05 pm -
Nonstop4h 00m
Deal found 8/2![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:50 pm -
Nonstop4h 35m
Mon 10/197:15 am -
Nonstop4h 14m
Deal found 8/1![Delta logo]()
$287
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:11 pm -
1 stop16h 28m
Mon 8/317:06 pm -
1 stop16h 30m
Deal found 8/3![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Mon 9/1412:16 am -
Nonstop4h 04m
Deal found 8/1![Multiple Airlines logo]()
$289
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:40 pm -
1 stop13h 11m
Wed 11/49:16 pm -
1 stop12h 41m
Deal found 8/1![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
Nonstop4h 37m
Mon 10/267:00 pm -
1 stop8h 42m
Deal found 8/1![Multiple Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:10 am -
2 stops9h 20m
Wed 9/235:20 am -
Nonstop3h 55m
Deal found 8/2![Southwest logo]()
$292
Best flights from Chicago to WashingtonDiscover carefully curated flight deals from Chicago to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Chicago to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:20 pm -
Nonstop4h 35m
Mon 9/215:15 am -
Nonstop4h 00m
Deal found 8/1![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:21 pm -
1 stop9h 12m
Tue 11/311:39 pm -
Nonstop4h 01m
Deal found 8/2![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
1 stop6h 39m
Sat 10/31:20 pm -
1 stop6h 40m
Deal found 8/2![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:20 pm -
Nonstop4h 33m
Sun 10/2511:30 pm -
Nonstop3h 49m
Deal found 8/1![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:50 pm -
1 stop7h 45m
Sat 10/1711:35 pm -
Nonstop3h 50m
Deal found 8/2![Southwest logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:00 am -
Nonstop4h 44m
Mon 10/125:49 pm -
Nonstop4h 10m
Deal found 8/1![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:48 pm -
Nonstop4h 46m
Sun 10/115:30 pm -
Nonstop4h 04m
Deal found 8/2![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
1 stop7h 35m
Fri 9/111:37 pm -
1 stop8h 22m
Deal found 8/6![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:15 pm -
1 stop9h 10m
Wed 9/2311:30 pm -
Nonstop3h 55m
Deal found 8/2![Southwest logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am -
Nonstop4h 34m
Fri 9/188:49 pm -
1 stop14h 33m
Deal found 8/1![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
1 stop7h 09m
Sat 11/73:34 pm -
1 stop6h 20m
Deal found 8/1![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:00 am -
Nonstop4h 24m
Tue 10/2011:10 am -
Nonstop3h 50m
Deal found 8/1![United Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 pm -
Nonstop4h 20m
Tue 9/225:50 am -
2 stops8h 45m
Deal found 8/1![Southwest logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:25 am -
1 stop8h 12m
Sun 11/157:00 am -
Nonstop4h 11m
Deal found 8/1![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm -
1 stop10h 58m
Sat 9/199:23 am -
1 stop6h 37m
Deal found 8/4![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:40 pm -
1 stop7h 45m
Fri 9/1110:55 am -
2 stops9h 30m
Deal found 8/6![Southwest logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:18 pm -
1 stop9h 22m
Sat 9/1912:16 am -
Nonstop4h 04m
Deal found 8/1![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:50 am -
Nonstop4h 42m
Sat 8/2911:00 pm -
Nonstop4h 06m
Deal found 8/4![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 pm -
1 stop8h 18m
Thu 9/171:00 pm -
1 stop8h 57m
Deal found 8/1![Delta logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:18 pm -
1 stop11h 34m
Tue 9/15:59 pm -
1 stop17h 23m
Deal found 8/1![Alaska Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:50 pm -
Nonstop3h 55m
Mon 9/286:00 am -
Nonstop3h 30m
Deal found 8/1![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:05 am -
1 stop7h 23m
Sat 10/101:00 pm -
1 stop7h 33m
Deal found 8/4![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:25 pm -
Nonstop4h 47m
Sun 11/12:34 pm -
Nonstop4h 06m
Deal found 8/4![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:25 am -
2 stops9h 10m
Mon 9/215:15 am -
Nonstop4h 00m
Deal found 8/2![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:18 pm -
1 stop11h 22m
Mon 8/318:49 pm -
1 stop14h 33m
Deal found 8/1![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:04 am -
1 stop7h 46m
Wed 11/187:00 am -
1 stop7h 39m
Deal found 8/2![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:12 pm -
Nonstop4h 40m
Fri 9/112:27 pm -
Nonstop4h 13m
Deal found 8/5![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:40 am -
1 stop7h 40m
Thu 10/13:30 pm -
1 stop7h 35m
Deal found 8/2![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:59 pm -
2 stops12h 00m
Wed 9/95:10 am -
1 stop6h 19m
Deal found 8/3![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:00 am -
1 stop6h 32m
Wed 9/98:17 am -
Nonstop4h 13m
Deal found 8/5![United Airlines logo]()
$402
Last-minute flights from Chicago to WashingtonDiscover last-minute flight deals from Chicago to Washington. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Washington. Data last updated August 6, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am -
Nonstop4h 30m
Thu 8/276:00 am -
Nonstop4h 07m
Deal found 8/1![Alaska Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:41 pm -
1 stop23h 39m
Tue 9/810:34 am -
1 stop17h 43m
Deal found 8/3![Frontier logo]()
$283
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
Nonstop4h 30m
Mon 8/3110:34 am -
1 stop17h 43m
Deal found 8/1![Multiple Airlines logo]()
$291
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:11 pm -
1 stop16h 28m
Mon 8/317:06 pm -
1 stop16h 30m
Deal found 8/3![Frontier logo]()
$288
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:11 pm -
1 stop16h 28m
Sun 9/610:34 am -
1 stop17h 25m
Deal found 8/1![Frontier logo]()
$292
This CheapOair deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Tue 9/1510:57 am -
1 stop16h 41m
Deal found 8/3![Frontier logo]()
$284
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Mon 9/147:45 pm -
1 stop7h 53m
Deal found 8/3![Frontier logo]()
$285
This Expedia deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Mon 9/1412:16 am -
Nonstop4h 04m
Deal found 8/1![Multiple Airlines logo]()
$289
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 pm -
1 stop14h 47m
Fri 9/187:45 pm -
1 stop7h 53m
Deal found 8/2![Frontier logo]()
$290
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:10 am -
2 stops9h 20m
Wed 9/235:20 am -
Nonstop3h 55m
Deal found 8/2![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:55 pm -
Nonstop4h 25m
Wed 9/2311:05 pm -
Nonstop4h 00m
Deal found 8/2![Southwest logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am -
1 stop10h 38m
Thu 10/19:45 pm -
1 stop29h 53m
Deal found 8/4![Frontier logo]()
$286
One-way flights from Chicago to WashingtonSearch for one-way flight options from Chicago to Washington. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Chicago to Washington. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:15 am -
Nonstop4h 23m
Deal found 8/5![United Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:46 pm -
2 stops21h 05m
Deal found 8/1![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:40 am -
2 stops29h 11m
Deal found 8/2![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:55 pm -
1 stop14h 47m
Deal found 8/1![Frontier logo]()
$151
This Super.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:11 pm -
1 stop16h 28m
Deal found 8/1![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:25 am -
2 stops28h 26m
Deal found 8/3![Frontier logo]()
$153
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:20 pm -
2 stops8h 50m
Deal found 8/3![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:41 pm -
1 stop20h 38m
Deal found 8/5![Frontier logo]()
$154
This Super.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:57 pm -
1 stop13h 07m
Deal found 8/3![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:03 pm -
2 stops32h 23m
Deal found 8/4![Frontier logo]()
$156
This CheapOair deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:41 pm -
1 stop20h 38m
Deal found 8/2![Frontier logo]()
$156
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:54 pm -
1 stop7h 05m
Deal found 8/5![Alaska Airlines logo]()
$156
Find flight deals from Chicago to Washington
Keep the following information in mind while searching for Chicago to Washington flight deals. Data was last updated August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Kiwi.com) |
One-way from | $149 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $368 |
Good round-trip deal | $303 or less |
Good one-way deal | $208 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to 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, Cheapflights users made 2,558,603 searches. Data last updated August 6, 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
Cheapest round-trip
ChicagoSeattle
MDW Chicago Midway - SEA Seattle/Tacoma Intl
MDWSEA
Chicago Midway
Thu 9/17
9:20 pm-11:55 pm
Nonstop4h 35m
Seattle/Tacoma Intl
Mon 9/21
5:15 am-11:15 am
Nonstop4h 00m
$297
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Sat 10/31
2:21 pm-9:33 pm
1 stop9h 12m
Seattle/Tacoma Intl
Tue 11/3
11:39 pm-5:40 am
Nonstop4h 01m
$297
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Sat 10/10
12:50 pm-6:35 pm
1 stop7h 45m
Portland
Sat 10/17
11:35 pm-5:25 am
Nonstop3h 50m
$307
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Wed 9/16
3:15 pm-10:25 pm
1 stop9h 10m
Portland
Wed 9/23
11:30 pm-5:25 am
Nonstop3h 55m
$307
ChicagoPortland
MDW Chicago Midway - PDX Portland
MDWPDX
Chicago Midway
Tue 9/15
8:55 pm-11:15 pm
Nonstop4h 20m
Portland
Tue 9/22
5:50 am-4:35 pm
2 stops8h 45m
$308
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Sat 9/26
6:10 am-10:49 am
1 stop6h 39m
Portland
Sat 10/3
1:20 pm-10:00 pm
1 stop6h 40m
$317
ChicagoPortland
ORD Chicago O'Hare Intl - PDX Portland
ORDPDX
Chicago O'Hare Intl
Thu 10/22
4:20 pm-6:53 pm
Nonstop4h 33m
Portland
Sun 10/25
11:30 pm-5:19 am
Nonstop3h 49m
$317
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Fri 10/9
9:00 am-11:44 am
Nonstop4h 44m
Seattle/Tacoma Intl
Mon 10/12
5:49 pm-11:59 pm
Nonstop4h 10m
$317
ChicagoSeattle
ORD Chicago O'Hare Intl - SEA Seattle/Tacoma Intl
ORDSEA
Chicago O'Hare Intl
Thu 10/8
5:48 pm-8:34 pm
Nonstop4h 46m
Seattle/Tacoma Intl
Sun 10/11
5:30 pm-11:34 pm
Nonstop4h 04m
$317
ChicagoSpokane
ORD Chicago O'Hare Intl - GEG Spokane
ORDGEG
Chicago O'Hare Intl
Sat 9/5
7:00 am-12:35 pm
1 stop7h 35m
Spokane
Fri 9/11
1:37 pm-11:59 pm
1 stop8h 22m
$317
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Chicago with our price prediction graph.
ORD-SEA
ORD-GEG
MDW-SEA
ORD-PDX
MDW-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Washington
CHI-USWA
ORD-SEA
ORD-GEG
MDW-SEA
ORD-PDX
What is the cheapest month to book a flight from Chicago to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Chicago to State of Washington (average of $248). Flying from Chicago to State of Washington in July is currently the most expensive (average of $413). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to WA?
Find hourly flight availability from Chicago to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 6, 2026.
It’s typically best to fly out from Chicago to State of Washington in the evening. Doing so could potentially save you 15% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Chicago to State of Washington
Explore weekly flight availability from Chicago to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 6, 2026.
The most flights from CHI to USWA are scheduled on a Wednesday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Chicago to State of Washington?
Airfare is below average for this route at the moment.
Chicago to State of Washington flights typically cost between $307 and $443 in August.The cheapest round-trip price found within the last 5 days was $283 on Frontier (Aug 27-Sep 8).
How far ahead should I book a flight from Chicago to State of Washington?
The best time to book flights from Chicago to State of Washington is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Chicago to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Washington. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Chicago to State of Washington flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated August 6, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Chicago to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from Chicago to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Chicago to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Washington by cabin class
Find flights from Chicago to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Washington flights
Browse other Chicago and Washington flight options. Last updated on August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Washington flights
Consider these flights traveling from Chicago to Washington.
Top 7 airlines flying from Chicago to Washington
Discover the top 7 airlines that operate flights from Chicago to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$308 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$131 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$415 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$178 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$181 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$227 | Average$373 | FlexibilityNo cancel fee | On-time63% |