$146+ Cheap flights from Chicago (CHI) to Ottawa (YOW)
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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YOW
Sep 14 — Sep 211
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 August 15, 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 August 15, 2026.
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Thu 9/103:20 pm -
1 stop5h 22m
Thu 9/178:00 am -
1 stop4h 00m
Deal found 8/13![Porter Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/253:20 pm -
1 stop3h 42m
Mon 9/288:00 am -
1 stop4h 00m
Deal found 8/13![Porter Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/183:20 pm -
1 stop3h 42m
Mon 9/218:00 am -
1 stop4h 00m
Deal found 8/13![Porter Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/203:20 pm -
1 stop16h 56m
Tue 9/2910:40 am -
1 stop4h 55m
Deal found 8/14![Porter Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/223:20 pm -
1 stop3h 42m
Thu 9/246:55 am -
1 stop8h 40m
Deal found 8/13![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/173:20 pm -
1 stop3h 42m
Sun 9/2010:40 am -
1 stop4h 55m
Deal found 8/14![Porter Airlines logo]()
$352
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sun 9/207:25 am -
1 stop7h 02m
Tue 9/2910:40 am -
1 stop11h 01m
Deal found 8/14![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/243:20 pm -
1 stop16h 56m
Tue 9/298:50 pm -
1 stop15h 10m
Deal found 8/13![Porter Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/268:04 am -
1 stop8h 16m
Tue 11/38:00 am -
1 stop16h 50m
Deal found 8/14![Multiple Airlines logo]()
$359
This Justfly.com deal was found by Cheapflights users on 8/13. 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.
Fri 9/185:30 pm -
1 stop11h 05m
Sun 9/207:20 am -
1 stop10h 20m
Deal found 8/13![WestJet logo]()
$385
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Thu 9/2411:45 am -
1 stop11h 35m
Sun 9/276:55 am -
1 stop8h 40m
Deal found 8/11![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/103:20 pm -
1 stop8h 00m
Sun 9/136:25 pm -
1 stop17h 35m
Deal found 8/11![Multiple Airlines logo]()
$389
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 August 15, 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 August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/2611:45 am -
1 stop6h 22m
Sat 10/310:40 am -
1 stop4h 55m
Deal found 8/12![Porter Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/216:05 am -
2 stops12h 55m
Sun 10/255:40 am -
1 stop12h 50m
Deal found 8/11![Multiple Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/105:00 am -
1 stop16h 35m
Sun 10/186:05 am -
1 stop18h 16m
Deal found 8/13![United Airlines logo]()
$683
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/48:09 am -
1 stop5h 46m
Sun 9/68:40 am -
1 stop6h 40m
Deal found 8/10![American Airlines logo]()
$732
This oojo deal was found by Cheapflights users on 8/15. 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.
Tue 9/85:10 pm -
2 stops23h 25m
Fri 9/116:55 am -
2 stops10h 18m
Deal found 8/15![WestJet logo]()
$751
This Air Canada deal was found by Cheapflights users on 8/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:21 pm -
Nonstop2h 14m
Sun 10/255:10 am -
1 stop5h 13m
Deal found 8/11![Air Canada logo]()
$797
This FlightHub deal was found by Cheapflights users on 8/10. 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 stop11h 40m
Sat 10/248:40 am -
1 stop6h 40m
Deal found 8/10![Porter Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/1711:45 am -
1 stop5h 07m
Sun 9/206:55 am -
2 stops6h 44m
Deal found 8/14![Multiple Airlines logo]()
$592
This FlightHub deal was found by Cheapflights users on 8/10. 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 8/2610:25 am -
1 stop6h 29m
Mon 8/3110:40 am -
1 stop4h 55m
Deal found 8/10![Porter Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/129:35 pm -
2 stops14h 35m
Tue 9/155:10 am -
2 stops15h 57m
Deal found 8/12![United Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/167:05 am -
2 stops13h 15m
Sat 9/265:10 am -
2 stops17h 22m
Deal found 8/12![United Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 10/218:06 am -
1 stop5h 49m
Sat 10/247:00 am -
2 stops25h 49m
Deal found 8/10![American Airlines logo]()
$764
This oojo deal was found by Cheapflights users on 8/11. 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.
Thu 10/2910:59 am -
2 stops12h 43m
Mon 11/25:40 am -
2 stops28h 37m
Deal found 8/11![WestJet logo]()
$775
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/246:00 am -
1 stop9h 38m
Sun 9/2710:40 am -
1 stop23h 20m
Deal found 8/11![United Airlines logo]()
$698
This Porter Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/13:20 pm -
1 stop3h 42m
Sat 10/39:15 am -
1 stop6h 20m
Deal found 8/10![Porter Airlines logo]()
$731
This FlightHub deal was found by Cheapflights users on 8/14. 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.
Fri 9/43:20 pm -
1 stop5h 32m
Sun 9/610:30 am -
1 stop5h 05m
Deal found 8/14![Porter Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 8/10. 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 12/57:10 am -
1 stop13h 46m
Sun 12/204:36 pm -
Nonstop2h 48m
Deal found 8/10![United Airlines logo]()
$848
This Porter Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/311:45 am -
1 stop6h 22m
Sun 10/410:40 am -
1 stop4h 55m
Deal found 8/14![Porter Airlines logo]()
$795
Last-minute flights from Chicago to OttawaDiscover last-minute flight deals from Chicago to Ottawa. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Ottawa. Data last updated August 15, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:00 pm -
1 stop4h 52m
Wed 8/265:20 pm -
1 stop4h 21m
Deal found 8/12![Air Canada logo]()
$789
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Thu 9/103:20 pm -
1 stop5h 22m
Thu 9/178:00 am -
1 stop4h 00m
Deal found 8/13![Porter Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/103:20 pm -
1 stop8h 00m
Sun 9/136:25 pm -
1 stop17h 35m
Deal found 8/11![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/173:20 pm -
1 stop3h 42m
Sun 9/2010:40 am -
1 stop4h 55m
Deal found 8/14![Porter Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/183:20 pm -
1 stop3h 42m
Mon 9/218:00 am -
1 stop4h 00m
Deal found 8/13![Porter Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/203:20 pm -
1 stop16h 56m
Tue 9/2910:40 am -
1 stop4h 55m
Deal found 8/14![Porter Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/223:20 pm -
1 stop3h 42m
Thu 9/246:55 am -
1 stop8h 40m
Deal found 8/13![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/243:20 pm -
1 stop16h 56m
Tue 9/298:50 pm -
1 stop15h 10m
Deal found 8/13![Porter Airlines logo]()
$355
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Thu 9/2411:45 am -
1 stop11h 35m
Sun 9/276:55 am -
1 stop8h 40m
Deal found 8/11![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/253:20 pm -
1 stop3h 42m
Mon 9/288:00 am -
1 stop4h 00m
Deal found 8/13![Porter Airlines logo]()
$346
This CheapTickets deal was found by Cheapflights users on 8/14. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:45 am -
1 stop5h 07m
Mon 10/58:00 am -
1 stop4h 00m
Deal found 8/14![Porter Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/2811:45 am -
1 stop5h 07m
Mon 10/54:15 pm -
2 stops26h 31m
Deal found 8/14![Multiple Airlines logo]()
$404
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 August 15, 2026.
Search for one-way flight options from Chicago to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/177:11 am -
2 stops16h 09m
Deal found 8/11![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/1211:45 am -
1 stop6h 22m
Deal found 8/13![Porter Airlines logo]()
$156
This Trip.com deal was found by Cheapflights users on 8/10. 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 9/1411:45 am -
1 stop11h 35m
Deal found 8/10![Multiple Airlines logo]()
$175
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Sun 9/275:30 pm -
1 stop11h 05m
Deal found 8/12![WestJet logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/175:30 pm -
1 stop11h 05m
Deal found 8/11![WestJet logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/285:30 pm -
1 stop11h 05m
Deal found 8/14![WestJet logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/173:20 pm -
1 stop19h 07m
Deal found 8/12![Porter Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/287:28 pm -
2 stops22h 52m
Deal found 8/14![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/2711:45 am -
1 stop5h 07m
Deal found 8/12![Porter Airlines logo]()
$202
This oojo deal was found by Cheapflights users on 8/12. 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.
Thu 10/15:30 pm -
1 stop11h 05m
Deal found 8/12![WestJet logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/121:21 pm -
2 stops15h 14m
Deal found 8/13![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/286:46 pm -
2 stops23h 34m
Deal found 8/14![Multiple Airlines logo]()
$221
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 August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (SmartFares) |
One-way from | $146 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $574 |
Good round-trip deal | $944 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 2,558,603 searches. Data last updated August 15, 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
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sat 9/26
11:45 am-7:07 pm
1 stop6h 22m
Ottawa
Sat 10/3
10:40 am-2:35 pm
1 stop4h 55m
$542
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Wed 10/21
6:05 am-8:00 pm
2 stops12h 55m
Ottawa
Sun 10/25
5:40 am-5:30 pm
1 stop12h 50m
$549
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Wed 10/21
11:45 am-12:25 am
1 stop11h 40m
Ottawa
Sat 10/24
8:40 am-2:20 pm
1 stop6h 40m
$574
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Wed 8/26
10:25 am-5:54 pm
1 stop6h 29m
Ottawa
Mon 8/31
10:40 am-2:35 pm
1 stop4h 55m
$587
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Thu 9/17
11:45 am-5:52 pm
1 stop5h 07m
Ottawa
Sun 9/20
6:55 am-12:39 pm
2 stops6h 44m
$592
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sat 10/10
5:00 am-10:35 pm
1 stop16h 35m
Ottawa
Sun 10/18
6:05 am-11:21 pm
1 stop18h 16m
$683
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sat 9/12
9:35 pm-1:10 pm
2 stops14h 35m
Ottawa
Tue 9/15
5:10 am-8:07 pm
2 stops15h 57m
$690
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Wed 9/16
7:05 am-9:20 pm
2 stops13h 15m
Ottawa
Sat 9/26
5:10 am-9:32 pm
2 stops17h 22m
$690
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Thu 9/24
6:00 am-4:38 pm
1 stop9h 38m
Ottawa
Sun 9/27
10:40 am-9:00 am
1 stop23h 20m
$698
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Tue 9/1
3:20 pm-8:02 pm
1 stop3h 42m
Ottawa
Sat 10/3
9:15 am-2:35 pm
1 stop6h 20m
$731
Showing 1-10 of 38 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 August.
| 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
MDW-YOW
ORD-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
MDW-YOW
ORD-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 June is currently the most expensive (average of $836). 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 August 15, 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 August 15, 2026.
The most flights from CHI to YOW are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 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 $499 and $869 in September.The cheapest round-trip price found within the last 5 days was $196 on Air Canada (Sep 12-Sep 12).
How often are flights from Chicago to Ottawa delayed?
About 16% of weekly flights between Chicago and Ottawa have experienced delays in the past year, with the average delay time being 142 minutes.
What is the most punctual flight time for Chicago to Ottawa flights?
Historically, flights departing at night 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 16% 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 August 15, 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.
Boarding
8.2
Overall
8.0
Food
7.5
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.5
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.5
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.5
Comfort
8.0
Crew
8.6
Entertainment
6.9
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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Chicago and Ottawa flights
Browse other Chicago and Ottawa flight options. Last updated on August 15, 2026.
Other flights from Chicago
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Top airline flying from Chicago to Ottawa
Discover the top airline 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 2,558,603 searches. Data last updated August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$400 | Average$718 | FlexibilityNo cancel fee | On-time69% |