$154+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YOW
Nov 25 — Dec 21
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 October 26, 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 October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop8h 29m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/167:50 pm -
2 stops17h 42m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 12/84:00 pm -
2 stops21h 32m
Tue 12/158:00 am -
1 stop18h 08m
Deal found 10/24![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1712:15 pm -
1 stop4h 57m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop8h 29m
Wed 11/188:00 am -
2 stops11h 30m
Deal found 10/21![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1412:15 pm -
1 stop6h 52m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/610:37 pm -
2 stops14h 55m
Sun 12/134:30 pm -
1 stop31h 22m
Deal found 10/22![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop8h 29m
Tue 11/1712:15 pm -
1 stop6h 25m
Deal found 10/21![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1112:15 pm -
1 stop6h 52m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/187:35 pm -
2 stops17h 57m
Wed 11/2512:15 pm -
1 stop6h 25m
Deal found 10/21![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/258:42 pm -
1 stop19h 03m
Wed 12/23:15 pm -
2 stops25h 52m
Deal found 10/26![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/198:35 pm -
2 stops19h 40m
Mon 1/118:00 am -
1 stop12h 35m
Deal found 10/22![Multiple Airlines logo]()
$595
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 October 26, 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 October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 12/84:00 pm -
2 stops21h 32m
Tue 12/158:00 am -
1 stop18h 08m
Deal found 10/24![Multiple Airlines logo]()
$394
This Porter Airlines deal was found by Cheapflights users on 10/25. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:15 pm -
1 stop4h 57m
Tue 11/1712:15 pm -
1 stop6h 25m
Deal found 10/25![Porter Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Mon 1/187:56 pm -
2 stops18h 11m
Mon 1/2510:30 am -
2 stops12h 02m
Deal found 10/21![United Airlines logo]()
$585
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/181:55 pm -
1 stop4h 57m
Wed 11/254:46 pm -
Nonstop2h 44m
Deal found 10/21![Air Canada logo]()
$796
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 1/46:20 pm -
1 stop12h 39m
Sun 1/103:25 pm -
1 stop24h 38m
Deal found 10/22![Multiple Airlines logo]()
$418
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Wed 11/184:36 pm -
3 stops20h 56m
Wed 11/2512:15 pm -
1 stop6h 25m
Deal found 10/21![Multiple Airlines logo]()
$485
This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:37 am -
2 stops13h 03m
Thu 12/105:30 am -
2 stops13h 31m
Deal found 10/26![WestJet logo]()
$1,119
This Porter Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1212:15 pm -
1 stop4h 57m
Thu 11/128:50 pm -
1 stop15h 45m
Deal found 10/21![Porter Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1410:32 am -
2 stops10h 24m
Sun 11/156:00 am -
1 stop19h 01m
Deal found 10/21![United Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 11/238:42 pm -
1 stop19h 03m
Mon 11/307:05 am -
2 stops29h 28m
Deal found 10/26![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/68:37 pm -
1 stop19h 08m
Sun 12/133:30 pm -
2 stops25h 36m
Deal found 10/21![Multiple Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/1010:30 am -
1 stop9h 46m
Thu 12/174:42 pm -
1 stop6h 58m
Deal found 10/26![United Airlines logo]()
$915
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 4/1612:20 pm -
1 stop4h 54m
Sun 4/183:10 pm -
2 stops21h 30m
Deal found 10/23![Multiple Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/96:08 am -
3 stops14h 54m
Wed 11/117:00 am -
3 stops17h 47m
Deal found 10/22![Multiple Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/2110:40 am -
1 stop9h 36m
Sat 11/286:15 am -
1 stop12h 37m
Deal found 10/23![United Airlines logo]()
$980
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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.
Thu 11/196:08 am -
3 stops14h 54m
Thu 11/2610:30 am -
2 stops22h 42m
Deal found 10/22![Multiple Airlines logo]()
$745
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Tue 12/810:24 am -
2 stops12h 16m
Tue 12/153:15 pm -
2 stops21h 18m
Deal found 10/24![Multiple Airlines logo]()
$771
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/198:35 pm -
2 stops19h 40m
Mon 1/115:40 pm -
2 stops16h 05m
Deal found 10/22![Multiple Airlines logo]()
$839
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/108:37 pm -
1 stop19h 08m
Thu 12/178:55 pm -
2 stops23h 35m
Deal found 10/26![Multiple Airlines logo]()
$915
This Mytrip deal was found by Cheapflights users on 10/24. 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.
Fri 10/306:42 pm -
2 stops21h 38m
Sun 11/13:30 pm -
3 stops20h 55m
Deal found 10/24![Multiple Airlines logo]()
$947
This Booking.com deal was found by Cheapflights users on 10/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:16 am -
2 stops16h 18m
Fri 11/610:30 am -
2 stops14h 17m
Deal found 10/24![Multiple Airlines logo]()
$1,034
This Mytrip deal was found by Cheapflights users on 10/24. 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 11/212:40 pm -
3 stops19h 52m
Sat 11/2812:40 pm -
3 stops20h 34m
Deal found 10/24![Multiple Airlines logo]()
$1,056
Last-minute flights from Illinois to OttawaDiscover last-minute flight deals from Illinois to Ottawa. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Ottawa. Data last updated October 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1112:15 pm -
1 stop6h 52m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop8h 29m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop8h 29m
Wed 11/188:00 am -
2 stops11h 30m
Deal found 10/21![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/127:55 am -
1 stop8h 29m
Tue 11/1712:15 pm -
1 stop6h 25m
Deal found 10/21![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1412:15 pm -
1 stop6h 52m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/167:50 pm -
2 stops17h 42m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1712:15 pm -
1 stop4h 57m
Thu 11/197:05 am -
1 stop9h 32m
Deal found 10/21![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/1712:15 pm -
1 stop4h 57m
Wed 11/188:00 am -
2 stops11h 30m
Deal found 10/21![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/187:35 pm -
2 stops17h 57m
Wed 11/2512:15 pm -
1 stop6h 25m
Deal found 10/21![Multiple Airlines logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/222:52 pm -
2 stops24h 45m
Sat 11/2812:40 pm -
1 stop6h 00m
Deal found 10/25![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/254:00 pm -
1 stop24h 24m
Wed 12/23:15 pm -
2 stops17h 02m
Deal found 10/26![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/258:42 pm -
1 stop19h 03m
Wed 12/23:15 pm -
2 stops25h 52m
Deal found 10/26![Multiple Airlines logo]()
$527
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 October 26, 2026.
Search for one-way flight options from Illinois to Ottawa. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 1/255:32 pm -
2 stops19h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/710:37 pm -
2 stops14h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 2/168:25 am -
1 stop28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Tue 11/106:08 am -
2 stops34h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/76:20 pm -
1 stop16h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Porter Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 1/251:18 pm -
2 stops24h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/106:20 pm -
1 stop16h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/216:20 pm -
1 stop12h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Porter Airlines logo]()
$204
This deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/412:15 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Porter Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/76:11 pm -
3 stops50h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$207
This Booking.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:15 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/1010:37 pm -
2 stops38h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$214
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Kiwi.com) |
One-way from | $154 (Kiwi.com) |
Popular in | October |
Cheapest in | April |
Average price | $880 |
Good round-trip deal | $926 or less |
Good one-way deal | $341 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 October 26, 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
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sun 12/6
12:15 pm-6:13 pm
1 stop4h 58m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$205
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Mon 12/7
6:11 pm-10:06 pm
3 stops50h 55m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$207
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Thu 12/17
12:15 pm-6:13 pm
1 stop4h 58m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$210
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Thu 12/10
10:37 pm-2:32 pm
2 stops38h 55m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$214
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Mon 1/25
1:18 pm-5:58 pm
3 stops27h 40m
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
Sat 12/5
12:15 pm-8:08 pm
1 stop6h 53m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Thu 12/17
6:52 am-11:40 pm
3 stops39h 48m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
ChicagoOttawa
MDW Chicago Midway - YOW Ottawa
MDWYOW
Chicago Midway
Sat 11/21
8:42 pm-2:32 pm
3 stops40h 50m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$287
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Sun 11/8
11:45 am-5:52 pm
1 stop5h 07m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$312
ChicagoOttawa
ORD Chicago O'Hare Intl - YOW Ottawa
ORDYOW
Chicago O'Hare Intl
Mon 1/4
11:07 am-9:56 pm
1 stop9h 49m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$316
Showing 1-10 of 40 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.
ORD-YOW
MDW-YOW
MLI-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
ORD-YOW
MDW-YOW
MLI-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 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 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 October 26, 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 October 26, 2026.
The most flights from USIL to YOW are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
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
See prices for flight routes from nearby airports that may be better suited for you.
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 October 26, 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 October 26, 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 October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$437 | Average$804 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$440 | Average$926 | FlexibilityNo cancel fee | On-time67% |