$146+ Cheap flights from Illinois 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Illinois 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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Cheapest flights from Illinois to OttawaExplore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Illinois to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/233:20 pm -
1 stop3h 42m
Tue 10/277:05 am -
2 stops17h 42m
Deal found 9/8![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/223:20 pm -
1 stop3h 42m
Mon 10/267:05 am -
2 stops35h 22m
Deal found 9/9![Multiple Airlines logo]()
$395
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/225:30 pm -
1 stop11h 05m
Sun 10/258:25 am -
1 stop4h 15m
Deal found 9/10![Multiple Airlines logo]()
$395
This FlightHub deal was found by Cheapflights users on 9/8. 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 10/213:20 pm -
1 stop3h 42m
Sat 10/249:15 am -
1 stop6h 20m
Deal found 9/8![Porter Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/8. 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
Tue 10/277:05 am -
2 stops30h 46m
Deal found 9/8![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/196:20 pm -
1 stop12h 39m
Sun 11/225:40 pm -
1 stop19h 00m
Deal found 9/9![Porter Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 pm -
1 stop11h 05m
Thu 10/297:05 am -
1 stop9h 32m
Deal found 9/6![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:20 pm -
1 stop3h 42m
Mon 10/128:00 am -
1 stop4h 00m
Deal found 9/6![Porter Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/244:30 pm -
1 stop23h 14m
Sat 10/318:00 am -
1 stop16h 16m
Deal found 9/9![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/247:44 pm -
2 stops20h 00m
Sat 10/317:05 am -
1 stop9h 32m
Deal found 9/9![Multiple Airlines logo]()
$431
This Trip.com deal was found by Cheapflights users on 9/8. 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 11/1912:20 pm -
1 stop11h 24m
Sun 11/225:30 am -
1 stop13h 10m
Deal found 9/8![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 pm -
1 stop11h 05m
Sun 10/186:15 pm -
2 stops23h 25m
Deal found 9/10![WestJet logo]()
$433
Best flights from Illinois to OttawaDiscover carefully curated flight deals from Illinois to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Illinois to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/223:20 pm -
1 stop3h 42m
Mon 10/267:05 am -
2 stops35h 22m
Deal found 9/9![Multiple Airlines logo]()
$395
This Trip.com deal was found by Cheapflights users on 9/7. 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 10/43:20 pm -
1 stop5h 22m
Mon 10/58:00 am -
1 stop4h 00m
Deal found 9/7![Porter Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 2/47:30 am -
2 stops11h 00m
Tue 2/96:15 am -
1 stop6h 58m
Deal found 9/10![United Airlines logo]()
$650
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Thu 10/18:55 am -
1 stop5h 15m
Tue 10/62:50 pm -
1 stop4h 51m
Deal found 9/11![Air Canada logo]()
$668
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 9/268:10 pm -
2 stops17h 45m
Wed 9/307:00 am -
1 stop6h 45m
Deal found 9/8![American Airlines logo]()
$754
This oojo deal was found by Cheapflights users on 9/9. 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.
Wed 10/78:05 am -
2 stops15h 15m
Wed 10/146:55 am -
2 stops14h 35m
Deal found 9/9![WestJet logo]()
$852
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:00 am -
2 stops19h 35m
Mon 10/197:20 am -
1 stop10h 20m
Deal found 9/6![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:20 pm -
1 stop20h 32m
Mon 10/198:00 am -
1 stop4h 00m
Deal found 9/6![Porter Airlines logo]()
$475
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Fri 10/93:20 pm -
1 stop3h 42m
Fri 10/168:00 am -
1 stop4h 00m
Deal found 9/11![Porter Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/244:30 pm -
2 stops21h 15m
Sat 10/318:00 am -
1 stop16h 16m
Deal found 9/9![Multiple Airlines logo]()
$522
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:20 pm -
1 stop5h 22m
Sat 10/2410:40 am -
1 stop4h 55m
Deal found 9/8![Porter Airlines logo]()
$517
This Gotogate deal was found by Cheapflights users on 9/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:27 am -
2 stops9h 23m
Fri 10/305:10 am -
2 stops8h 00m
Deal found 9/7![Air Canada logo]()
$669
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/248:00 am -
1 stop4h 59m
Sun 9/276:05 am -
1 stop6h 17m
Deal found 9/10![United Airlines logo]()
$671
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/234:30 pm -
1 stop21h 00m
Fri 10/308:00 am -
1 stop16h 16m
Deal found 9/7![Multiple Airlines logo]()
$571
This Porter Airlines deal was found by Cheapflights users on 9/11. 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 Porter Airlines 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 9/11![Porter Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/289:59 am -
1 stop10h 57m
Sat 10/313:10 pm -
1 stop8h 44m
Deal found 9/11![United Airlines logo]()
$671
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Tue 9/297:25 am -
1 stop24h 52m
Sat 10/39:55 am -
1 stop4h 30m
Deal found 9/9![Air Canada logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:20 pm -
1 stop8h 00m
Sun 9/276:25 pm -
1 stop21h 10m
Deal found 9/10![Multiple Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/29:04 am -
1 stop7h 12m
Sun 10/46:25 am -
1 stop5h 23m
Deal found 9/11![United Airlines logo]()
$671
This American Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:15 am -
3 stops10h 45m
Mon 10/197:00 am -
1 stop6h 45m
Deal found 9/6![American Airlines logo]()
$838
This Mytrip deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:45 am -
1 stop6h 22m
Mon 10/191:20 pm -
3 stops22h 40m
Deal found 9/6![Multiple Airlines logo]()
$606
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:09 pm -
1 stop9h 45m
Tue 10/62:52 pm -
2 stops7h 29m
Deal found 9/9![United Airlines logo]()
$680
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Fri 10/92:00 pm -
1 stop4h 52m
Fri 10/1610:37 am -
Nonstop2h 23m
Deal found 9/11![Air Canada logo]()
$781
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Fri 10/232:53 am -
3 stops20h 27m
Sun 10/2512:15 pm -
1 stop6h 25m
Deal found 9/9![Multiple Airlines logo]()
$619
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:00 pm -
1 stop4h 52m
Tue 10/276:15 am -
Nonstop2h 45m
Deal found 9/10![Air Canada logo]()
$855
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:20 pm -
1 stop3h 42m
Sun 10/255:40 pm -
2 stops16h 52m
Deal found 9/10![Multiple Airlines logo]()
$669
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:20 pm -
1 stop5h 22m
Sun 10/182:00 pm -
3 stops22h 00m
Deal found 9/10![Multiple Airlines logo]()
$701
This WestJet deal was found by Cheapflights users on 9/10. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:11 am -
2 stops17h 33m
Wed 12/95:30 am -
2 stops30h 54m
Deal found 9/10![WestJet logo]()
$1,395
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:20 pm -
1 stop8h 00m
Sun 9/276:55 am -
2 stops6h 44m
Deal found 9/10![Multiple Airlines logo]()
$706
This WestJet deal was found by Cheapflights users on 9/11. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:13 pm -
2 stops35h 31m
Mon 11/25:30 am -
2 stops31h 21m
Deal found 9/11![WestJet logo]()
$1,420
Last-minute flights from Illinois to OttawaDiscover last-minute flight deals from Illinois to Ottawa. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Ottawa. Data last updated September 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:20 pm -
1 stop3h 42m
Mon 10/128:00 am -
1 stop4h 00m
Deal found 9/6![Porter Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/153:20 pm -
1 stop8h 00m
Sun 10/186:55 am -
1 stop8h 40m
Deal found 9/11![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 pm -
1 stop11h 05m
Sun 10/186:15 pm -
2 stops23h 25m
Deal found 9/10![WestJet logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:00 am -
2 stops19h 35m
Mon 10/197:20 am -
1 stop10h 20m
Deal found 9/6![Multiple Airlines logo]()
$436
This FlightHub deal was found by Cheapflights users on 9/8. 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 10/213:20 pm -
1 stop3h 42m
Sat 10/249:15 am -
1 stop6h 20m
Deal found 9/8![Porter Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/223:20 pm -
1 stop3h 42m
Mon 10/267:05 am -
2 stops35h 22m
Deal found 9/9![Multiple Airlines logo]()
$395
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/225:30 pm -
1 stop11h 05m
Sun 10/258:25 am -
1 stop4h 15m
Deal found 9/10![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 pm -
1 stop11h 05m
Thu 10/297:05 am -
1 stop9h 32m
Deal found 9/6![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/233:20 pm -
1 stop3h 42m
Tue 10/277:05 am -
2 stops17h 42m
Deal found 9/8![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/8. 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
Tue 10/277:05 am -
2 stops30h 46m
Deal found 9/8![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/244:30 pm -
1 stop23h 14m
Sat 10/318:00 am -
1 stop16h 16m
Deal found 9/9![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/247:44 pm -
2 stops20h 00m
Sat 10/317:05 am -
1 stop9h 32m
Deal found 9/9![Multiple Airlines logo]()
$431
One-way flights from Illinois to OttawaSearch for one-way flight options from Illinois to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Illinois to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:20 pm -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/223:20 pm -
1 stop3h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Porter Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/66:20 pm -
1 stop17h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Porter Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/812:20 pm -
1 stop11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/1012:20 pm -
1 stop11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$166
This Trip.com deal was found by Cheapflights users on 9/7. 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 10/155:30 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![WestJet logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/238:04 am -
2 stops15h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/195:30 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![WestJet logo]()
$178
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Tue 9/293:20 pm -
1 stop3h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Porter Airlines logo]()
$192
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 pm -
1 stop20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 stop17h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Porter Airlines logo]()
$197
This Trip.com deal was found by Cheapflights users on 9/8. 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 10/193:20 pm -
1 stop5h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Porter Airlines logo]()
$198
Find flight deals from Illinois to Ottawa
Keep the following information in mind while searching for Illinois to Ottawa flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Mytrip) |
One-way from | $146 (Kiwi.com) |
Popular in | February |
Cheapest in | April |
Average price | $718 |
Good round-trip deal | $703 or less |
Good one-way deal | $337 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 12, 2026.
Use the filters below to find and compare flights from Illinois to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Thu 10/22
3:20 pm-8:02 pm
1 stop3h 42m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$152
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sun 12/6
6:20 pm-1:14 pm
1 stop17h 54m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Tue 9/29
3:20 pm-8:02 pm
1 stop3h 42m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$192
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Tue 9/29
5:30 pm-5:35 am
1 stop11h 05m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$220
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Mon 10/26
12:20 pm-6:14 pm
1 stop4h 54m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$225
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sat 10/17
11:45 am-7:07 pm
1 stop6h 22m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$230
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Tue 10/13
8:04 am-8:00 pm
2 stops34h 56m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$232
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Fri 9/25
7:25 am-3:07 pm
2 stops30h 42m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$238
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sat 10/17
9:00 am-5:35 am
2 stops19h 35m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$238
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sat 10/17
3:20 pm-11:35 am
2 stops19h 15m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
Showing 1-10 of 47 resultsSorted by cheapest first
Best time to book a flight from Illinois to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Illinois with our price prediction graph.
MDW-YOW
ORD-YOW
STL-YOW
BMI-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 Illinois to Ottawa
USIL-YOW
MDW-YOW
ORD-YOW
STL-YOW
BMI-YOW
What is the cheapest month to book a flight from Illinois to Ottawa?
Currently, April is the cheapest month in which you can book a flight from Illinois to Ottawa (average of $400). Flying from Illinois 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 IL to YOW?
Find hourly flight availability from Illinois 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 12, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Ottawa as you normally would.
Weekly flight availability from Illinois to Ottawa
Explore weekly flight availability from Illinois 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 12, 2026.
The most flights from USIL to YOW are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Illinois to Ottawa?
Airfare is below average for this route at the moment.
Illinois to Ottawa flights typically cost between $515 and $654 in November.The cheapest round-trip price found within the last 5 days was $360 on Multiple Airlines (Nov 30-Dec 5).
Related info for your journey
Find useful and relevant information for your journey from Illinois 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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Illinois to Ottawa
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Complete your trip
Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Ottawa by cabin class
Find flights from Illinois to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Ottawa flights
Browse other Illinois and Ottawa flight options. Last updated on September 12, 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 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Ottawa flights
Consider these flights traveling from Illinois to Ottawa.
Top 2 airlines flying from Illinois to Ottawa
Discover the top 2 airlines that operate flights from Illinois 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$349 | Average$601 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$400 | Average$744 | FlexibilityNo cancel fee | On-time69% |