$196+ Cheap flights from Chicago (CHI) to Ottawa (YOW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Ottawa 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
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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 Ottawa
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Cheapest flights from Chicago to OttawaExplore the most affordable flight options available from Chicago to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2026.
Explore the most affordable flight options available from Chicago to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:00 am -
1 stop8h 20m
Sun 11/18:25 am -
1 stop4h 15m
Deal found 9/29![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:00 am -
1 stop8h 20m
Mon 11/27:05 am -
2 stops30h 46m
Deal found 9/26![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 10/235:30 pm -
1 stop11h 05m
Sun 10/258:25 am -
1 stop4h 15m
Deal found 9/24![Multiple Airlines logo]()
$446
This deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:20 pm -
1 stop5h 22m
Thu 10/1510:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Thu 12/108:00 am -
1 stop15h 07m
Tue 12/157:05 am -
2 stops25h 15m
Deal found 9/28![Multiple Airlines logo]()
$468
This Trip.com deal was found by Cheapflights users on 9/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:20 pm -
1 stop4h 54m
Sun 11/298:25 am -
1 stop4h 15m
Deal found 9/29![Porter Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/27:50 pm -
2 stops17h 40m
Thu 2/44:35 pm -
1 stop17h 38m
Deal found 9/24![Multiple Airlines logo]()
$485
This Justfly.com deal was found by Cheapflights users on 9/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:20 pm -
1 stop4h 54m
Sun 11/298:25 am -
1 stop4h 15m
Deal found 9/29![Porter Airlines logo]()
$493
This deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 am -
1 stop5h 07m
Wed 10/1410:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/268:11 pm -
2 stops45h 54m
Mon 11/27:05 am -
1 stop9h 32m
Deal found 9/28![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 10/1711:45 am -
1 stop6h 22m
Fri 10/238:00 am -
1 stop4h 00m
Deal found 9/24![Porter Airlines logo]()
$521
This FlightHub deal was found by Cheapflights users on 9/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 am -
1 stop5h 07m
Sat 10/2410:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$536
Best flights from Chicago to OttawaDiscover carefully curated flight deals from Chicago to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
Discover carefully curated flight deals from Chicago to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
This deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 am -
1 stop5h 07m
Wed 10/1410:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/1912:20 pm -
1 stop4h 54m
Sun 11/225:30 am -
2 stops20h 13m
Deal found 9/24![Multiple Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/209:00 am -
1 stop12h 35m
Sat 10/243:10 pm -
1 stop9h 11m
Deal found 9/26![United Airlines logo]()
$732
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:06 am -
1 stop5h 49m
Wed 10/217:00 am -
2 stops17h 36m
Deal found 9/26![American Airlines logo]()
$849
This Booking.com deal was found by Cheapflights users on 9/25. 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 11/912:20 pm -
1 stop4h 54m
Mon 11/1612:15 pm -
1 stop6h 25m
Deal found 9/25![Porter Airlines logo]()
$516
This FlightHub deal was found by Cheapflights users on 9/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 am -
1 stop5h 07m
Sat 10/2410:40 am -
1 stop4h 55m
Deal found 9/25![Porter Airlines logo]()
$536
This Mytrip deal was found by Cheapflights users on 9/25. 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.
Mon 11/96:42 pm -
2 stops18h 48m
Mon 11/169:05 am -
2 stops15h 42m
Deal found 9/25![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 10/1711:45 am -
1 stop6h 22m
Fri 10/238:35 pm -
2 stops13h 57m
Deal found 9/24![Multiple Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 12/105:55 am -
1 stop6h 16m
Thu 12/104:36 pm -
Nonstop2h 44m
Deal found 9/28![United Airlines logo]()
$844
This oojo deal was found by Cheapflights users on 9/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:20 pm -
1 stop3h 42m
Mon 10/1910:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Sun 11/229:48 pm -
1 stop14h 23m
Mon 11/234:46 pm -
Nonstop2h 44m
Deal found 9/24![United Airlines logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:45 am -
1 stop6h 22m
Mon 10/57:15 am -
2 stops35h 31m
Deal found 9/26![Multiple Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Sun 11/227:00 am -
1 stop5h 11m
Sun 11/224:46 pm -
Nonstop2h 44m
Deal found 9/25![United Airlines logo]()
$889
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/133:20 pm -
1 stop8h 00m
Thu 10/156:25 pm -
2 stops15h 58m
Deal found 9/24![Multiple Airlines logo]()
$824
This Porter Airlines deal was found by Cheapflights users on 9/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:20 pm -
1 stop4h 54m
Thu 12/108:50 pm -
2 stops18h 52m
Deal found 9/28![Porter Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Fri 1/155:56 pm -
Nonstop2h 27m
Mon 1/184:36 pm -
Nonstop2h 48m
Deal found 9/26![United Airlines logo]()
$911
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:45 am -
1 stop6h 22m
Mon 10/58:50 pm -
1 stop15h 10m
Deal found 9/26![Porter Airlines logo]()
$836
This CheapOair deal was found by Cheapflights users on 9/26. 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.
Fri 10/93:20 pm -
1 stop3h 42m
Mon 10/128:50 pm -
1 stop15h 10m
Deal found 9/26![Porter Airlines logo]()
$874
Last-minute flights from Chicago to OttawaDiscover last-minute flight deals from Chicago to Ottawa. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Ottawa. Data last updated September 29, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:20 pm -
1 stop5h 22m
Thu 10/1510:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$467
This deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 am -
1 stop5h 07m
Wed 10/1410:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Sat 10/1711:45 am -
1 stop6h 22m
Fri 10/238:00 am -
1 stop4h 00m
Deal found 9/24![Porter Airlines logo]()
$521
This FlightHub deal was found by Cheapflights users on 9/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 am -
1 stop5h 07m
Sat 10/2410:40 am -
1 stop4h 55m
Deal found 9/28![Porter Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fri 10/235:30 pm -
1 stop11h 05m
Sun 10/258:25 am -
1 stop4h 15m
Deal found 9/24![Multiple Airlines logo]()
$446
This Mytrip deal was found by Cheapflights users on 9/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
3 stops17h 25m
Sun 11/112:15 pm -
1 stop6h 25m
Deal found 9/26![Multiple Airlines logo]()
$506
This Mytrip deal was found by Cheapflights users on 9/24. 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 10/246:21 am -
3 stops17h 04m
Sat 10/313:10 pm -
3 stops22h 15m
Deal found 9/24![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:45 am -
1 stop6h 22m
Sun 11/14:15 pm -
2 stops26h 32m
Deal found 9/26![Multiple Airlines logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/268:11 pm -
2 stops45h 54m
Mon 11/27:05 am -
1 stop9h 32m
Deal found 9/28![Multiple Airlines logo]()
$501
This Trip.com deal was found by Cheapflights users on 9/28. 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 10/2612:20 pm -
1 stop4h 54m
Mon 11/28:25 am -
1 stop4h 15m
Deal found 9/28![Porter Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:00 am -
1 stop8h 20m
Sun 11/18:25 am -
1 stop4h 15m
Deal found 9/29![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:00 am -
1 stop8h 20m
Mon 11/27:05 am -
2 stops30h 46m
Deal found 9/26![Multiple Airlines logo]()
$411
One-way flights from Chicago to OttawaSearch for one-way flight options from Chicago to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
Search for one-way flight options from Chicago to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:15 am -
3 stops38h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$196
This deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:20 pm -
1 stop3h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Porter Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:16 am -
3 stops38h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/2512:20 pm -
1 stop4h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Porter Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
3 stops17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:21 am -
3 stops17h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$212
This oojo deal was found by Cheapflights users on 9/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![WestJet logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sun 11/86:30 am -
3 stops38h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sun 11/86:16 am -
3 stops38h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/256:00 am -
3 stops39h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Fri 10/236:15 am -
3 stops41h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:45 am -
1 stop6h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Porter Airlines logo]()
$241
Find flight deals from Chicago to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $411 (Kiwi.com) |
One-way from | $196 (Kiwi.com) |
Popular in | October |
Cheapest in | April |
Average price | $569 |
Good round-trip deal | $880 or less |
Good one-way deal | $337 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Ottawa 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 7,457,451 searches. Data last updated September 29, 2026.
Use the filters below to find and compare flights from Chicago to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Wed 11/11
7:15 am-10:15 pm
3 stops38h 00m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sat 10/24
6:21 am-12:25 am
3 stops17h 04m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$214
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sat 10/24
6:00 am-12:25 am
3 stops17h 25m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$214
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sun 11/8
6:16 am-10:15 pm
3 stops38h 59m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Fri 10/23
6:15 am-12:25 am
3 stops41h 10m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$236
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sat 10/24
11:45 am-7:07 pm
1 stop6h 22m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$241
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sun 10/25
12:20 pm-6:14 pm
1 stop4h 54m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sun 10/25
7:44 pm-5:20 pm
2 stops44h 36m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Mon 11/9
12:20 pm-6:14 pm
1 stop4h 54m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Mon 11/9
7:50 pm-2:30 pm
2 stops17h 40m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
Showing 1-10 of 35 resultsSorted by cheapest first
Compare providers for flights from Chicago to Ottawa
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Ottawa in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Chicago with our price prediction graph.
CHI-YOW
ORD-YOW
MDW-YOW
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 Ottawa
CHI-YOW
ORD-YOW
MDW-YOW
What is the cheapest month to book a flight from Chicago to Ottawa?
Currently, April is the cheapest month in which you can book a flight from Chicago to Ottawa (average of $400). Flying from Chicago to Ottawa in October is currently the most expensive (average of $880). 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 YOW?
Find hourly flight availability from Chicago to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2026.
When flying from Chicago to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chicago to Ottawa
Explore weekly flight availability from Chicago to Ottawa. 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 September 29, 2026.
The most flights from CHI to YOW are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Chicago to Ottawa?
Airfare is below average for this route at the moment.
Chicago to Ottawa flights typically cost between $880 and $1,369 in October.The cheapest round-trip price found within the last 5 days was $398 on Multiple Airlines (Oct 29-Nov 1).
How often are flights from Chicago to Ottawa delayed?
About 18% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 145 minutes.
What is the most punctual flight time for Chicago to Ottawa flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Ottawa flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated September 29, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from Chicago to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Chicago to Ottawa. 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 Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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Complete your trip
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Search flights from Chicago to Ottawa by cabin class
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Chicago and Ottawa flights
Browse other Chicago and Ottawa flight options. Last updated on September 29, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on September 29, 2026.
Other flights to Ottawa
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 29, 2026.
Popular flight searches
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Top 2 airlines flying from Chicago to Ottawa
Discover the top 2 airlines that operate flights from Chicago to Ottawa. 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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$349 | Average$822 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$437 | Average$789 | FlexibilityNo cancel fee | On-time69% |