$124+ Cheap flights from Washington to O'Hare Intl (ORD)
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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ORD
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Washington to O'Hare Intl with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Washington to O'Hare IntlExplore the most affordable flight options available from Washington to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
Explore the most affordable flight options available from Washington to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
This CheapOair deal was found by Cheapflights users on 4/27. 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 5/87:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Tue 5/129:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/27![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Sun 5/1011:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Wed 5/139:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/27![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/26. 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.
Mon 5/117:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Fri 5/158:56 pm
ORD
- SEA
1 stop22h 41m
Frontier
Deal found 4/26![Frontier logo]()
$242
This Booking.com deal was found by Cheapflights users on 4/27. 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.
Mon 6/87:50 pm
SEA
- ORD
1 stop22h 53m
Frontier
Sat 6/209:48 pm
ORD
- SEA
1 stop18h 30m
Frontier
Deal found 4/27![Frontier logo]()
$243
This Trip.com deal was found by Cheapflights users on 4/27. 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 5/1811:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Sun 5/249:37 pm
ORD
- SEA
1 stop14h 29m
Frontier
Deal found 4/27![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 4/30. 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 8/158:12 pm
SEA
- ORD
1 stop7h 16m
Frontier
Thu 8/209:48 pm
ORD
- SEA
1 stop18h 16m
Frontier
Deal found 4/30![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 4/30. 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 7/108:12 pm
SEA
- ORD
1 stop7h 16m
Frontier
Mon 7/139:57 pm
ORD
- SEA
1 stop13h 52m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/29. 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.
Mon 5/1811:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Tue 5/269:37 pm
ORD
- SEA
1 stop14h 29m
Frontier
Deal found 4/29![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/67:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Fri 5/89:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/27![Frontier logo]()
$253
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Tue 6/2311:03 am
SEA
- ORD
1 stop17h 16m
Frontier
Wed 7/17:12 am
ORD
- SEA
1 stop29h 23m
Frontier
Deal found 4/30![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 4/28. 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 5/2311:21 am
SEA
- ORD
1 stop17h 13m
Frontier
Tue 5/268:46 pm
ORD
- SEA
1 stop23h 49m
Frontier
Deal found 4/28![Frontier logo]()
$261
This Trip.com deal was found by Cheapflights users on 4/28. 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 5/1112:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Thu 5/149:37 pm
ORD
- GEG
1 stop16h 01m
Frontier
Deal found 4/28![Frontier logo]()
$263
Best flights from Washington to O'Hare IntlDiscover carefully curated flight deals from Washington to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
Discover carefully curated flight deals from Washington to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/62:12 pm
PDX
- ORD
Nonstop4h 14m
United Airlines
Sat 6/137:56 pm
ORD
- PDX
Nonstop4h 35m
United Airlines
Deal found 4/26![United Airlines logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/12:08 pm
GEG
- ORD
Nonstop3h 59m
Alaska Airlines
Tue 6/29:00 am
ORD
- GEG
1 stop14h 45m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 6/3011:47 am
PDX
- ORD
1 stop7h 38m
Delta
Tue 7/77:40 pm
ORD
- PDX
1 stop6h 04m
Delta
Deal found 4/28![Delta logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 6/141:21 pm
BLI
- ORD
1 stop13h 46m
Multiple Airlines
Fri 6/199:48 pm
ORD
- BLI
2 stops37h 26m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/2010:40 pm
PDX
- ORD
Nonstop4h 05m
United Airlines
Wed 6/245:00 am
ORD
- PDX
1 stop6h 47m
United Airlines
Deal found 4/29![United Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 5/279:44 am
PDX
- ORD
1 stop7h 19m
Alaska Airlines
Mon 6/157:20 am
ORD
- PDX
Nonstop4h 25m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 6/97:08 pm
GEG
- ORD
2 stops10h 57m
Delta
Sat 6/137:45 am
ORD
- GEG
1 stop6h 30m
Delta
Deal found 4/27![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/304:15 pm
PDX
- ORD
1 stop6h 29m
United Airlines
Tue 7/77:00 am
ORD
- PDX
Nonstop4h 34m
United Airlines
Deal found 4/28![United Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 10/91:23 pm
GEG
- ORD
1 stop8h 36m
Alaska Airlines
Tue 10/137:00 am
ORD
- GEG
1 stop6h 42m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 6/2212:33 am
PDX
- ORD
1 stop6h 02m
Delta
Tue 6/306:55 am
ORD
- PDX
1 stop6h 47m
Delta
Deal found 4/30![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/3011:40 pm
PDX
- ORD
Nonstop4h 05m
United Airlines
Sun 7/57:00 am
ORD
- PDX
Nonstop4h 34m
United Airlines
Deal found 4/29![United Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 8/2212:46 pm
GEG
- ORD
1 stop8h 55m
Alaska Airlines
Thu 8/279:00 am
ORD
- GEG
1 stop7h 47m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 4/27. 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 6/247:00 am
GEG
- ORD
1 stop8h 02m
Delta
Mon 6/296:30 am
ORD
- GEG
1 stop7h 10m
Delta
Deal found 4/27![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/21:41 pm
GEG
- ORD
1 stop7h 08m
United Airlines
Tue 6/96:00 am
ORD
- GEG
1 stop8h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:59 pm
PUW
- ORD
2 stops10h 31m
American Airlines
Tue 5/195:00 am
ORD
- PUW
2 stops11h 50m
American Airlines
Deal found 4/30![American Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 4/27. 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 6/42:06 pm
PDX
- ORD
1 stop7h 53m
Delta
Sun 6/76:30 am
ORD
- PDX
1 stop6h 09m
Delta
Deal found 4/27![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 6/212:45 pm
SEA
- ORD
Nonstop4h 18m
Alaska Airlines
Wed 6/106:00 am
ORD
- SEA
Nonstop4h 38m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/1710:40 pm
PDX
- ORD
Nonstop4h 05m
United Airlines
Sun 7/197:00 am
ORD
- PDX
Nonstop4h 34m
United Airlines
Deal found 4/27![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 7/710:35 am
SEA
- ORD
Nonstop4h 08m
Delta
Wed 7/295:55 pm
ORD
- SEA
Nonstop4h 39m
Delta
Deal found 4/27![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/198:10 am
SEA
- ORD
Nonstop4h 22m
Alaska Airlines
Sun 5/247:40 am
ORD
- SEA
Nonstop4h 41m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/1810:04 am
BLI
- ORD
2 stops12h 44m
Multiple Airlines
Sun 6/217:20 am
ORD
- BLI
1 stop27h 44m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/245:00 pm
SEA
- ORD
Nonstop4h 07m
United Airlines
Mon 6/297:45 pm
ORD
- SEA
Nonstop4h 51m
United Airlines
Deal found 4/30![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/29. 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 7/85:40 pm
SEA
- ORD
Nonstop3h 58m
Delta
Tue 7/141:00 pm
ORD
- SEA
Nonstop4h 44m
Delta
Deal found 4/29![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 6/106:00 am
SEA
- ORD
Nonstop4h 03m
Alaska Airlines
Fri 6/192:20 pm
ORD
- SEA
1 stop11h 21m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/235:00 pm
SEA
- ORD
Nonstop4h 07m
United Airlines
Tue 7/79:30 pm
ORD
- SEA
Nonstop4h 44m
United Airlines
Deal found 4/28![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 5/291:30 pm
GEG
- ORD
1 stop6h 20m
Delta
Fri 6/55:19 pm
ORD
- GEG
2 stops8h 16m
Delta
Deal found 4/30![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 7/76:21 am
SEA
- ORD
1 stop10h 36m
Alaska Airlines
Wed 7/156:00 am
ORD
- SEA
Nonstop4h 38m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/105:00 pm
SEA
- ORD
Nonstop4h 07m
United Airlines
Sun 7/127:00 am
ORD
- SEA
Nonstop4h 40m
United Airlines
Deal found 4/27![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/26. 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 5/237:05 am
PSC
- ORD
2 stops12h 41m
Delta
Wed 5/276:20 pm
ORD
- PSC
1 stop7h 36m
Delta
Deal found 4/26![Delta logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 7/253:55 pm
SEA
- ORD
1 stop11h 05m
Alaska Airlines
Tue 7/286:00 am
ORD
- SEA
Nonstop4h 38m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$365
Last-minute flights from Washington to O'Hare IntlDiscover last-minute flight deals from Washington to O'Hare Intl. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to O'Hare Intl. Data last updated May 1, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/67:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Fri 5/89:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/27![Frontier logo]()
$253
This CheapOair deal was found by Cheapflights users on 4/27. 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 5/87:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Tue 5/129:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/27![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 4/30. 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 5/87:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Mon 5/119:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/30![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Sun 5/1011:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Wed 5/139:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/27![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/26. 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.
Mon 5/117:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Fri 5/158:56 pm
ORD
- SEA
1 stop22h 41m
Frontier
Deal found 4/26![Frontier logo]()
$242
This Trip.com deal was found by Cheapflights users on 4/28. 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 5/1112:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Thu 5/149:37 pm
ORD
- GEG
1 stop16h 01m
Frontier
Deal found 4/28![Frontier logo]()
$263
This CheapOair deal was found by Cheapflights users on 4/29. 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 5/157:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Mon 5/189:37 pm
ORD
- SEA
1 stop14h 12m
Frontier
Deal found 4/29![Frontier logo]()
$263
This Trip.com deal was found by Cheapflights users on 4/27. 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 5/1811:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Sun 5/249:37 pm
ORD
- SEA
1 stop14h 29m
Frontier
Deal found 4/27![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 4/29. 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.
Mon 5/1811:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Tue 5/269:37 pm
ORD
- SEA
1 stop14h 29m
Frontier
Deal found 4/29![Frontier logo]()
$251
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:21 am
SEA
- ORD
1 stop17h 13m
Frontier
Tue 5/268:46 pm
ORD
- SEA
1 stop23h 49m
Frontier
Deal found 4/28![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Multiple Airlines
Wed 6/32:10 pm
ORD
- GEG
1 stop9h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$264
This Booking.com deal was found by Cheapflights users on 4/27. 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 5/2811:21 am
SEA
- ORD
1 stop17h 13m
Frontier
Fri 5/298:46 pm
ORD
- SEA
1 stop23h 49m
Frontier
Deal found 4/27![Frontier logo]()
$243
One-way flights from Washington to O'Hare IntlSearch for one-way flight options from Washington to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
Search for one-way flight options from Washington to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Super.com deal was found by Cheapflights users on 4/27. 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.
Wed 6/248:12 pm
SEA
- ORD
1 stop7h 20m
Frontier
Deal found 4/27![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 4/29. 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.
Sat 7/48:12 pm
SEA
- ORD
1 stop7h 20m
Frontier
Deal found 4/29![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 4/27. 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.
Wed 5/2712:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Deal found 4/27![Frontier logo]()
$125
This iWofly deal was found by Cheapflights users on 4/27. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:12 pm
SEA
- ORD
1 stop7h 16m
Frontier
Deal found 4/27![Frontier logo]()
$126
This Priceline deal was found by Cheapflights users on 4/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:33 pm
GEG
- ORD
1 stop5h 59m
Frontier
Deal found 4/26![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 4/27. 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.
Wed 7/158:12 pm
SEA
- ORD
1 stop7h 16m
Frontier
Deal found 4/27![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/197:50 pm
SEA
- ORD
2 stops25h 11m
Frontier
Deal found 4/28![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 4/30. 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 5/87:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Deal found 4/30![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/88:48 pm
PSC
- ORD
1 stop30h 44m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$130
This Super.com deal was found by Cheapflights users on 4/26. 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.
Thu 5/147:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Deal found 4/26![Frontier logo]()
$131
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Mon 5/1811:06 am
SEA
- ORD
1 stop17h 33m
Frontier
Deal found 4/29![Frontier logo]()
$132
This Booking.com deal was found by Cheapflights users on 4/26. 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.
Fri 5/157:50 pm
SEA
- ORD
1 stop22h 42m
Frontier
Deal found 4/26![Frontier logo]()
$133
Find flight deals from Washington to O'Hare Intl
Keep the following information in mind while searching for Washington to O'Hare Intl flight deals. Data was last updated May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (CheapOair) |
One-way from | $124 (Super.com) |
Popular in | December |
Cheapest in | February |
Average price | $311 |
Good round-trip deal | $363 or less |
Good one-way deal | $184 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to O'Hare Intl 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 May 1, 2026.
Use the filters below to find and compare flights from Washington to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandChicago
PDX - ORD
PDXORD
Portland
Sat 6/6
2:12 pm-8:26 pm
Nonstop4h 14m
Chicago O'Hare Intl
Sat 6/13
7:56 pm-10:31 pm
Nonstop4h 35m
$305
PortlandChicago
PDX - ORD
PDXORD
Portland
Sat 6/20
10:40 pm-4:45 am
Nonstop4h 05m
Chicago O'Hare Intl
Wed 6/24
5:00 am-9:47 am
1 stop6h 47m
$315
PortlandChicago
PDX - ORD
PDXORD
Portland
Tue 6/30
4:15 pm-12:44 am
1 stop6h 29m
Chicago O'Hare Intl
Tue 7/7
7:00 am-9:34 am
Nonstop4h 34m
$315
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Mon 6/1
2:08 pm-8:07 pm
Nonstop3h 59m
Chicago O'Hare Intl
Tue 6/2
9:00 am-9:45 pm
1 stop14h 45m
$316
Quickest round-trip
PortlandChicago
PDX - ORD
PDXORD
Portland
Tue 6/30
11:40 pm-5:45 am
Nonstop4h 05m
Chicago O'Hare Intl
Sun 7/5
7:00 am-9:34 am
Nonstop4h 34m
$316
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Tue 6/2
1:41 pm-10:49 pm
1 stop7h 08m
Chicago O'Hare Intl
Tue 6/9
6:00 am-12:37 pm
1 stop8h 37m
$317
PortlandChicago
PDX - ORD
PDXORD
Portland
Tue 6/30
11:47 am-9:25 pm
1 stop7h 38m
Chicago O'Hare Intl
Tue 7/7
7:40 pm-11:44 pm
1 stop6h 04m
$325
PortlandChicago
PDX - ORD
PDXORD
Portland
Wed 5/27
9:44 am-7:03 pm
1 stop7h 19m
Chicago O'Hare Intl
Mon 6/15
7:20 am-9:45 am
Nonstop4h 25m
$326
PortlandChicago
PDX - ORD
PDXORD
Portland
Fri 7/17
10:40 pm-4:45 am
Nonstop4h 05m
Chicago O'Hare Intl
Sun 7/19
7:00 am-9:34 am
Nonstop4h 34m
$327
SpokaneChicago
GEG - ORD
GEGORD
Spokane
Tue 6/9
7:08 pm-8:05 am
2 stops10h 57m
Chicago O'Hare Intl
Sat 6/13
7:45 am-12:15 pm
1 stop6h 30m
$331
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Washington with our price prediction graph.
SEA-ORD
GEG-ORD
PSC-ORD
PDX-ORD
BLI-ORD
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 Washington to Chicago O'Hare Intl Airport
USWA-ORD
SEA-ORD
GEG-ORD
PSC-ORD
PDX-ORD
How far ahead should I book a flight from State of Washington to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from State of Washington to Chicago O'Hare Intl Airport, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from State of Washington to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Chicago O'Hare Intl Airport (average of $47). Flying from State of Washington to Chicago O'Hare Intl Airport in October is currently the most expensive (average of $125). 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 WA to ORD?
Find hourly flight availability from Washington to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2026.
When flying from State of Washington to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 42% versus a flight in the evening.
What is the cheapest day to fly from State of Washington to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Washington to O'Hare Intl. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their State of Washington to Chicago O'Hare Intl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from State of Washington to Chicago O'Hare Intl Airport
Explore weekly flight availability from Washington to O'Hare Intl. 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 May 1, 2026.
The most flights from USWA to ORD are scheduled on a Thursday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).
How much does it cost to fly round-trip from State of Washington to Chicago O'Hare Intl Airport?
Related info for your journey
Find useful and relevant information for your journey from Washington to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsRosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Downers Grove
Oakbrook Terrace
Benton Harbor
Hoffman Estates
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Arlington Heights
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 1, 2026.
Washington and O'Hare Intl flights
Browse other Washington and O'Hare Intl flight options. Last updated on May 1, 2026.
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Consider these flights traveling from Washington to O'Hare Intl.
Top 6 airlines flying from Washington to O'Hare Intl
Discover the top 6 airlines that operate flights from Washington to O'Hare Intl. 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$109 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$249 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$164 | Average$356 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$170 | Average$414 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$177 | Average$332 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$193 | Average$308 | FlexibilityNo cancel fee | On-time62% |