$102+ Cheap flights from the United States 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from USA 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 USA to Ottawa
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Cheapest flights from USA to OttawaExplore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:30 pm -
1 stop18h 57m
Fri 9/252:20 pm -
Nonstop1h 30m
Deal found 8/21![Porter Airlines logo]()
$234
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:10 pm -
1 stop17h 17m
Fri 9/182:20 pm -
Nonstop1h 30m
Deal found 8/21![Porter Airlines logo]()
$236
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am -
1 stop8h 20m
Sat 9/191:20 pm -
1 stop11h 15m
Deal found 8/23![WestJet logo]()
$248
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am -
1 stop8h 20m
Sun 9/207:20 am -
1 stop10h 05m
Deal found 8/24![WestJet logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Fri 10/28:00 am -
1 stop8h 20m
Sun 10/1112:25 pm -
2 stops12h 10m
Deal found 8/22![WestJet logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/218:00 am -
1 stop8h 20m
Mon 9/2812:25 pm -
2 stops12h 10m
Deal found 8/24![WestJet logo]()
$273
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:55 pm -
1 stop8h 40m
Sat 10/101:20 pm -
1 stop11h 15m
Deal found 8/23![WestJet logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Wed 9/238:00 am -
1 stop8h 20m
Fri 9/258:15 pm -
1 stop28h 20m
Deal found 8/23![WestJet logo]()
$275
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:00 am -
1 stop8h 20m
Mon 10/121:20 pm -
1 stop11h 15m
Deal found 8/22![WestJet logo]()
$277
This Gotogate deal was found by Cheapflights users on 8/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:55 am -
1 stop5h 22m
Mon 9/212:45 pm -
1 stop4h 51m
Deal found 8/24![Air Canada logo]()
$282
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:35 pm -
Nonstop1h 40m
Tue 9/292:10 pm -
Nonstop1h 35m
Deal found 8/25![Porter Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:25 pm -
Nonstop1h 40m
Sat 10/313:10 pm -
Nonstop1h 35m
Deal found 8/24![Porter Airlines logo]()
$289
Best flights from USA to OttawaDiscover carefully curated flight deals from USA to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from USA to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/148:00 am -
1 stop8h 20m
Sat 9/1912:25 pm -
2 stops12h 10m
Deal found 8/23![WestJet logo]()
$253
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:35 pm -
Nonstop1h 40m
Wed 9/302:10 pm -
Nonstop1h 35m
Deal found 8/25![Porter Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/116:30 pm -
1 stop11h 05m
Tue 9/152:20 pm -
Nonstop1h 30m
Deal found 8/21![Multiple Airlines logo]()
$310
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:55 am -
1 stop5h 22m
Wed 9/306:45 am -
1 stop5h 37m
Deal found 8/25![Air Canada logo]()
$312
This United Airlines deal was found by Cheapflights users on 8/21. 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 10/3111:36 am -
Nonstop1h 35m
Sat 10/314:46 pm -
1 stop16h 21m
Deal found 8/21![United Airlines logo]()
$336
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am -
1 stop8h 20m
Sun 9/207:20 am -
1 stop10h 05m
Deal found 8/24![WestJet logo]()
$256
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:35 pm -
1 stop7h 00m
Sat 10/315:30 am -
2 stops12h 15m
Deal found 8/25![Delta logo]()
$575
This FlightHub deal was found by Cheapflights users on 8/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:35 pm -
Nonstop1h 45m
Sun 10/112:10 pm -
Nonstop1h 35m
Deal found 8/22![Porter Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/68:00 am -
1 stop8h 20m
Sun 10/111:20 pm -
1 stop11h 15m
Deal found 8/21![WestJet logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 10/157:30 am -
Nonstop1h 41m
Thu 10/156:01 pm -
Nonstop1h 39m
Deal found 8/23![United Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/85:55 pm -
1 stop8h 40m
Sun 10/112:00 pm -
1 stop10h 35m
Deal found 8/21![Multiple Airlines logo]()
$365
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:55 pm -
Nonstop1h 32m
Wed 9/3010:40 am -
Nonstop1h 34m
Deal found 8/25![Air Canada logo]()
$377
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:00 am -
2 stops13h 20m
Fri 9/2512:25 pm -
2 stops12h 10m
Deal found 8/21![WestJet logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:47 pm -
Nonstop1h 48m
Sun 10/46:05 am -
Nonstop1h 32m
Deal found 8/25![United Airlines logo]()
$353
This Porter Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 9/302:35 pm -
Nonstop1h 40m
Sun 10/42:10 pm -
Nonstop1h 35m
Deal found 8/21![Porter Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 8/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:38 am -
2 stops9h 22m
Wed 9/307:00 am -
2 stops10h 41m
Deal found 8/25![American Airlines logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:55 am -
1 stop5h 22m
Mon 2/152:00 pm -
1 stop3h 35m
Deal found 8/25![Air Canada logo]()
$379
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:00 am -
2 stops13h 20m
Sat 10/101:20 pm -
1 stop11h 15m
Deal found 8/21![WestJet logo]()
$320
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:30 am -
Nonstop1h 41m
Thu 10/226:01 pm -
Nonstop1h 39m
Deal found 8/25![United Airlines logo]()
$353
This Porter Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/239:55 am -
1 stop5h 00m
Wed 9/308:00 am -
2 stops11h 25m
Deal found 8/25![Porter Airlines logo]()
$373
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:55 pm -
Nonstop1h 32m
Sat 10/310:25 am -
Nonstop1h 35m
Deal found 8/25![Air Canada logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 10/96:30 pm -
1 stop11h 05m
Mon 10/128:15 pm -
1 stop21h 25m
Deal found 8/21![WestJet logo]()
$326
This United deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:19 pm -
Nonstop1h 48m
Mon 11/212:15 pm -
1 stop4h 18m
Deal found 8/24![Multiple Airlines logo]()
$439
This Porter Airlines deal was found by Cheapflights users on 8/24. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:55 am -
1 stop5h 00m
Wed 9/238:00 am -
2 stops11h 25m
Deal found 8/24![Porter Airlines logo]()
$373
This Air Canada deal was found by Cheapflights users on 8/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop4h 33m
Mon 10/56:00 am -
1 stop4h 20m
Deal found 8/24![Air Canada logo]()
$394
This oojo deal was found by Cheapflights users on 8/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 am -
2 stops13h 20m
Sun 10/1112:25 pm -
2 stops12h 10m
Deal found 8/23![WestJet logo]()
$327
This United deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:10 pm -
Nonstop1h 44m
Wed 9/3012:15 pm -
1 stop4h 23m
Deal found 8/25![Multiple Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 10/67:10 am -
1 stop11h 25m
Sat 10/103:10 pm -
1 stop8h 53m
Deal found 8/23![United Airlines logo]()
$400
This Porter Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 9/172:20 pm -
Nonstop1h 24m
Sun 9/202:20 pm -
Nonstop1h 30m
Deal found 8/25![Porter Airlines logo]()
$396
This United deal was found by Cheapflights users on 8/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:15 am -
Nonstop1h 41m
Sun 10/1112:15 pm -
1 stop4h 26m
Deal found 8/23![Multiple Airlines logo]()
$445
Last-minute flights from USA to OttawaDiscover last-minute flight deals from USA to Ottawa. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from USA to Ottawa. Data last updated August 26, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am -
1 stop8h 20m
Sat 9/191:20 pm -
1 stop11h 15m
Deal found 8/23![WestJet logo]()
$248
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am -
1 stop8h 20m
Sun 9/207:20 am -
1 stop10h 05m
Deal found 8/24![WestJet logo]()
$256
This Super.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:35 pm -
Nonstop1h 40m
Thu 9/172:10 pm -
Nonstop1h 35m
Deal found 8/26![Porter Airlines logo]()
$293
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:10 pm -
1 stop17h 17m
Fri 9/182:20 pm -
Nonstop1h 30m
Deal found 8/21![Porter Airlines logo]()
$236
This Gotogate deal was found by Cheapflights users on 8/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:55 am -
1 stop5h 22m
Mon 9/212:45 pm -
1 stop4h 51m
Deal found 8/24![Air Canada logo]()
$282
This Vliegwinkel deal was found by Cheapflights users on 8/24. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:55 am -
1 stop3h 57m
Mon 9/212:10 pm -
Nonstop1h 35m
Deal found 8/24![Porter Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Fri 9/185:55 pm -
1 stop8h 40m
Fri 9/258:15 pm -
1 stop28h 20m
Deal found 8/21![WestJet logo]()
$288
This Trip.com deal was found by Cheapflights users on 8/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:15 pm -
1 stop25h 05m
Sun 9/2712:25 pm -
2 stops12h 10m
Deal found 8/23![WestJet logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/218:00 am -
1 stop8h 20m
Mon 9/287:20 am -
1 stop10h 05m
Deal found 8/24![WestJet logo]()
$268
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:35 pm -
Nonstop1h 40m
Tue 9/292:10 pm -
Nonstop1h 35m
Deal found 8/25![Porter Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Wed 9/238:00 am -
1 stop8h 20m
Fri 9/258:15 pm -
1 stop28h 20m
Deal found 8/23![WestJet logo]()
$275
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:30 pm -
1 stop18h 57m
Fri 9/252:20 pm -
Nonstop1h 30m
Deal found 8/21![Porter Airlines logo]()
$234
One-way flights from USA to OttawaSearch for one-way flight options from USA to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from USA to Ottawa. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kissandfly.com deal was found by Cheapflights users on 8/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:35 pm -
1 stop7h 00m
Deal found 8/24![WestJet logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/287:35 pm -
1 stop7h 00m
Deal found 8/24![WestJet logo]()
$107
This Jetabroad deal was found by Cheapflights users on 8/23. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 pm -
1 stop11h 05m
Deal found 8/23![WestJet logo]()
$109
This Jetabroad deal was found by Cheapflights users on 8/22. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:30 pm -
1 stop11h 05m
Deal found 8/22![WestJet logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Thu 10/158:00 am -
1 stop8h 20m
Deal found 8/23![WestJet logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sun 9/277:35 pm -
1 stop7h 00m
Deal found 8/24![WestJet logo]()
$116
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:55 am -
1 stop5h 22m
Deal found 8/25![Air Canada logo]()
$121
This Flightnetwork deal was found by Cheapflights users on 8/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:00 am -
1 stop6h 32m
Deal found 8/25![Air Canada logo]()
$122
This Flightnetwork deal was found by Cheapflights users on 8/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:40 pm -
1 stop3h 30m
Deal found 8/25![Air Canada logo]()
$126
This Flightnetwork deal was found by Cheapflights users on 8/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:00 am -
1 stop6h 32m
Deal found 8/25![Air Canada logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:40 am -
1 stop6h 29m
Deal found 8/25![Porter Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/176:30 pm -
1 stop11h 05m
Deal found 8/25![WestJet logo]()
$129
Find flight deals from USA to Ottawa
Keep the following information in mind while searching for USA to Ottawa flight deals. Data was last updated August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (FlightHub) |
One-way from | $102 (Kissandfly.com) |
Popular in | October |
Cheapest in | March |
Average price | $319 |
Good round-trip deal | $98 or less |
Good one-way deal | $106 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from USA 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 August 26, 2026.
Use the filters below to find and compare flights from the United States to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixOttawa
PHX Phoenix Sky Harbor Intl - YOW Ottawa
PHXYOW
Phoenix Sky Harbor Intl
Mon 9/14
8:00 am-7:20 pm
1 stop8h 20m
Ottawa
Sat 9/19
12:25 pm-9:35 pm
2 stops12h 10m
$253
PhoenixOttawa
PHX Phoenix Sky Harbor Intl - YOW Ottawa
PHXYOW
Phoenix Sky Harbor Intl
Mon 9/14
8:00 am-7:20 pm
1 stop8h 20m
Ottawa
Sun 9/20
7:20 am-2:25 pm
1 stop10h 05m
$256
PhoenixOttawa
PHX Phoenix Sky Harbor Intl - YOW Ottawa
PHXYOW
Phoenix Sky Harbor Intl
Tue 10/6
8:00 am-7:20 pm
1 stop8h 20m
Ottawa
Sun 10/11
1:20 pm-9:35 pm
1 stop11h 15m
$281
NewarkOttawa
EWR Newark - YOW Ottawa
EWRYOW
Newark
Wed 9/23
2:35 pm-4:15 pm
Nonstop1h 40m
Ottawa
Wed 9/30
2:10 pm-3:45 pm
Nonstop1h 35m
$288
NewarkOttawa
EWR Newark - YOW Ottawa
EWRYOW
Newark
Fri 10/9
2:35 pm-4:20 pm
Nonstop1h 45m
Ottawa
Sun 10/11
2:10 pm-3:45 pm
Nonstop1h 35m
$301
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Fri 9/11
6:30 pm-5:35 am
1 stop11h 05m
Ottawa
Tue 9/15
2:20 pm-3:50 pm
Nonstop1h 30m
$310
New YorkOttawa
LGA New York LaGuardia - YOW Ottawa
LGAYOW
New York LaGuardia
Wed 9/23
7:55 am-1:17 pm
1 stop5h 22m
Ottawa
Wed 9/30
6:45 am-12:22 pm
1 stop5h 37m
$312
PhoenixOttawa
PHX Phoenix Sky Harbor Intl - YOW Ottawa
PHXYOW
Phoenix Sky Harbor Intl
Fri 9/18
8:00 am-12:20 am
2 stops13h 20m
Ottawa
Fri 9/25
12:25 pm-9:35 pm
2 stops12h 10m
$318
PhoenixOttawa
PHX Phoenix Sky Harbor Intl - YOW Ottawa
PHXYOW
Phoenix Sky Harbor Intl
Sun 10/4
8:00 am-12:20 am
2 stops13h 20m
Ottawa
Sat 10/10
1:20 pm-9:35 pm
1 stop11h 15m
$320
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Fri 10/9
6:30 pm-5:35 am
1 stop11h 05m
Ottawa
Mon 10/12
8:15 pm-5:40 pm
1 stop21h 25m
$326
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from USA to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from USA with our price prediction graph.
BOS-YOW
PHX-YOW
LGA-YOW
EWR-YOW
SEA-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 the United States to Ottawa
US0-YOW
BOS-YOW
PHX-YOW
LGA-YOW
EWR-YOW
What is the cheapest month to book a flight from USA to Ottawa?
Currently, February is the cheapest month in which you can book a flight from USA to Ottawa (average of $384). Flying from USA to Ottawa in August is currently the most expensive (average of $503). 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 US to YOW?
Find hourly flight availability from USA 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 26, 2026.
One of the essential ways to save on airfare from USA to Ottawa is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.
How often are flights from the United States to Ottawa delayed?
About 19% of weekly flights between United States and Ottawa have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for the United States to Ottawa flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United States to Ottawa flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
How far ahead should I book a flight from USA to Ottawa?
The best time to book flights from USA to Ottawa is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from USA to Ottawa?
Use this chart to determine the cheapest time to fly round-trip from USA to Ottawa. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their USA to Ottawa flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for theUnited States to Ottawa flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Ottawa trip
Our travel experts
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 26, 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from the United States to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Boarding
8.2
Crew
8.6
Overall
8.0
Comfort
8.0
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 USA to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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Complete your trip
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Search flights from USA to Ottawa by cabin class
Find flights from USA to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
USA and Ottawa flights
Browse other USA and Ottawa flight options. Last updated on August 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 August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
USA to Ottawa flights
Consider these flights traveling from USA to Ottawa.
Top 5 airlines flying from USA to Ottawa
Discover the top 5 airlines that operate flights from USA 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$554 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$135 | Average$405 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$145 | Average$427 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$173 | Average$401 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$186 | Average$574 | FlexibilityNo cancel fee | On-time67% |