$85+ Cheap flights from Ontario (ONT) to Oregon
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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PDX
Nov 28 — Dec 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Oregon 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to Oregon
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Cheapest flights from Ontario to OregonExplore the most affordable flight options available from Ontario to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2026.
Explore the most affordable flight options available from Ontario to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2026.
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:15 am -
1 stop9h 19m
Thu 12/31:58 pm -
1 stop20h 47m
Deal found 10/29![Frontier logo]()
$201
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:31 pm -
1 stop24h 44m
Sun 11/2211:23 am -
1 stop19h 57m
Deal found 10/28![Frontier logo]()
$209
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:31 pm -
1 stop24h 44m
Tue 12/15:09 pm -
1 stop17h 36m
Deal found 10/28![Frontier logo]()
$210
This AirNGo deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop6h 53m
Sun 12/612:51 pm -
1 stop5h 40m
Deal found 10/27![Frontier logo]()
$211
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop28h 37m
Fri 11/201:58 pm -
1 stop5h 38m
Deal found 10/27![Frontier logo]()
$214
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:45 am -
1 stop13h 11m
Tue 12/15:09 pm -
1 stop17h 36m
Deal found 10/27![Frontier logo]()
$216
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop10h 07m
Thu 12/31:58 pm -
1 stop10h 19m
Deal found 10/26![Frontier logo]()
$219
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 11/166:30 am -
1 stop28h 37m
Sat 11/2110:27 am -
2 stops9h 09m
Deal found 10/26![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:35 am -
1 stop26h 11m
Sun 11/1510:58 am -
1 stop24h 18m
Deal found 10/27![Multiple Airlines logo]()
$246
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 12/1910:51 pm -
1 stop14h 32m
Tue 12/299:31 pm -
1 stop9h 36m
Deal found 10/24![Multiple Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:55 pm -
1 stop5h 07m
Mon 12/76:09 am -
1 stop5h 08m
Deal found 10/29![Delta logo]()
$295
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:25 pm -
1 stop8h 00m
Mon 12/711:15 am -
2 stops9h 25m
Deal found 10/26![Southwest logo]()
$300
Best flights from Ontario to OregonDiscover carefully curated flight deals from Ontario to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
Discover carefully curated flight deals from Ontario to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:55 am -
1 stop4h 55m
Sat 12/122:55 pm -
1 stop4h 15m
Deal found 10/26![Southwest logo]()
$255
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:01 pm -
Nonstop2h 30m
Sat 1/95:40 pm -
Nonstop2h 22m
Deal found 10/24![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:57 am -
1 stop6h 58m
Fri 11/205:51 pm -
1 stop5h 09m
Deal found 10/28![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:32 pm -
1 stop7h 46m
Tue 11/172:05 pm -
1 stop3h 56m
Deal found 10/29![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:35 pm -
1 stop7h 10m
Sat 12/1912:40 pm -
1 stop5h 45m
Deal found 10/28![Southwest logo]()
$261
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:59 am -
1 stop7h 00m
Thu 12/315:18 pm -
1 stop4h 51m
Deal found 10/26![Delta logo]()
$307
This Priceline deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:59 pm -
1 stop4h 23m
Tue 11/176:00 am -
1 stop5h 18m
Deal found 10/28![Alaska Airlines logo]()
$329
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/257:25 am -
1 stop4h 28m
Sat 1/305:00 am -
1 stop7h 40m
Deal found 10/25![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:55 pm -
1 stop4h 25m
Sat 12/121:20 pm -
1 stop7h 40m
Deal found 10/27![Southwest logo]()
$302
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:55 pm -
1 stop5h 44m
Sun 12/65:30 am -
1 stop5h 47m
Deal found 10/26![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
1 stop6h 43m
Mon 11/165:41 pm -
1 stop5h 25m
Deal found 10/28![Alaska Airlines logo]()
$329
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:56 pm -
1 stop5h 01m
Mon 11/166:20 am -
1 stop4h 57m
Deal found 10/24![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:30 pm -
2 stops7h 50m
Tue 12/297:00 am -
1 stop4h 30m
Deal found 10/27![Southwest logo]()
$337
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/117:30 am -
Nonstop2h 14m
Mon 2/152:55 pm -
Nonstop2h 20m
Deal found 10/25![Alaska Airlines logo]()
$337
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:00 am -
1 stop7h 54m
Mon 1/45:30 pm -
1 stop5h 05m
Deal found 10/26![Delta logo]()
$329
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop5h 45m
Thu 11/266:25 am -
1 stop4h 18m
Deal found 10/25![United Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:09 pm -
1 stop7h 45m
Wed 11/111:32 pm -
1 stop4h 45m
Deal found 10/27![Alaska Airlines logo]()
$339
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/222:55 pm -
2 stops6h 30m
Sun 1/246:45 am -
1 stop6h 35m
Deal found 10/26![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:38 pm -
1 stop6h 21m
Tue 12/295:41 pm -
1 stop4h 56m
Deal found 10/28![Delta logo]()
$332
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:35 pm -
1 stop4h 54m
Sat 11/285:55 am -
1 stop6h 34m
Deal found 10/25![United Airlines logo]()
$411
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:20 pm -
2 stops6h 10m
Fri 12/46:40 am -
1 stop6h 10m
Deal found 10/24![Southwest logo]()
$352
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/256:00 am -
2 stops10h 37m
Sat 1/305:05 am -
1 stop7h 07m
Deal found 10/25![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:35 pm -
1 stop4h 55m
Sun 2/76:10 am -
2 stops8h 20m
Deal found 10/28![Southwest logo]()
$352
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:59 pm -
1 stop15h 47m
Mon 11/307:49 pm -
1 stop15h 24m
Deal found 10/25![Alaska Airlines logo]()
$401
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/107:25 am -
1 stop5h 04m
Sun 2/141:43 pm -
1 stop6h 51m
Deal found 10/24![United Airlines logo]()
$459
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:00 am -
1 stop6h 01m
Fri 12/115:20 am -
1 stop6h 57m
Deal found 10/24![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2811:30 am -
2 stops8h 50m
Mon 2/11:00 pm -
2 stops5h 35m
Deal found 10/28![Southwest logo]()
$366
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/234:00 pm -
1 stop7h 59m
Mon 3/295:14 am -
1 stop4h 11m
Deal found 10/25![Alaska Airlines logo]()
$407
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop6h 27m
Sun 12/61:40 pm -
1 stop6h 58m
Deal found 10/24![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:56 pm -
1 stop5h 02m
Mon 11/165:43 pm -
1 stop5h 17m
Deal found 10/28![Delta logo]()
$349
Last-minute flights from Ontario to OregonDiscover last-minute flight deals from Ontario to Oregon. Data last updated October 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Oregon. Data last updated October 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:35 am -
1 stop26h 11m
Sun 11/1510:58 am -
1 stop24h 18m
Deal found 10/27![Multiple Airlines logo]()
$246
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:35 pm -
1 stop15h 01m
Tue 11/1712:02 pm -
1 stop22h 33m
Deal found 10/27![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:52 am -
1 stop23h 20m
Sat 11/2110:27 am -
1 stop13h 57m
Deal found 10/29![Frontier logo]()
$227
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 11/166:30 am -
1 stop28h 37m
Sat 11/2110:27 am -
2 stops9h 09m
Deal found 10/26![Frontier logo]()
$221
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop28h 37m
Fri 11/201:58 pm -
1 stop5h 38m
Deal found 10/27![Frontier logo]()
$214
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:52 am -
1 stop23h 15m
Mon 11/301:31 pm -
1 stop23h 08m
Deal found 10/28![Frontier logo]()
$231
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:35 pm -
1 stop16h 28m
Tue 11/248:54 pm -
1 stop13h 51m
Deal found 10/26![Frontier logo]()
$212
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:31 pm -
1 stop24h 44m
Sun 11/2211:23 am -
1 stop19h 57m
Deal found 10/28![Frontier logo]()
$209
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:31 pm -
1 stop24h 44m
Tue 12/15:09 pm -
1 stop17h 36m
Deal found 10/28![Frontier logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:45 am -
1 stop13h 11m
Tue 12/15:09 pm -
1 stop17h 36m
Deal found 10/27![Frontier logo]()
$216
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:15 am -
1 stop9h 19m
Thu 12/31:58 pm -
1 stop20h 47m
Deal found 10/29![Frontier logo]()
$201
This WAYA deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:15 am -
1 stop9h 19m
Sat 12/52:31 pm -
1 stop8h 52m
Deal found 10/29![Multiple Airlines logo]()
$224
One-way flights from Ontario to OregonSearch for one-way flight options from Ontario to Oregon. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
Search for one-way flight options from Ontario to Oregon. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:26 pm -
2 stops17h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$87
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop6h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$89
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:40 pm -
2 stops22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:45 am -
1 stop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:30 am -
1 stop8h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/196:30 am -
1 stop8h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:07 pm -
1 stop18h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$97
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:30 am -
1 stop24h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$99
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:31 pm -
1 stop24h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$100
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 11/115:07 pm -
1 stop19h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$147
Find flight deals from Ontario to Oregon
Keep the following information in mind while searching for Ontario to Oregon flight deals. Data was last updated October 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 (Kiwi.com) |
One-way from | $85 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $289 |
Good round-trip deal | $367 or less |
Good one-way deal | $238 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Oregon 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 29, 2026.
Use the filters below to find and compare flights from Ontario to Oregon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioPortland
ONT Ontario - PDX Portland
ONTPDX
Ontario
Thu 11/19
9:25 am-2:37 pm
1 stop5h 12m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$123
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Sat 11/21
1:35 pm-6:29 pm
1 stop4h 54m
Eugene
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$148
OntarioPortland
ONT Ontario - PDX Portland
ONTPDX
Ontario
Sat 12/19
5:38 pm-11:49 pm
1 stop6h 11m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
OntarioPortland
ONT Ontario - PDX Portland
ONTPDX
Ontario
Sat 11/14
5:45 am-12:30 pm
2 stops6h 45m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
OntarioPortland
ONT Ontario - PDX Portland
ONTPDX
Ontario
Sat 12/12
6:17 pm-8:52 pm
Nonstop2h 35m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
OntarioRedmond
ONT Ontario - RDM Bend/Redmond
ONTRDM
Ontario
Fri 11/27
7:00 am-12:39 pm
1 stop5h 39m
Bend/Redmond
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
OntarioRedmond
ONT Ontario - RDM Bend/Redmond
ONTRDM
Ontario
Sun 11/8
6:00 am-12:43 pm
1 stop6h 43m
Bend/Redmond
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
OntarioRedmond
ONT Ontario - RDM Bend/Redmond
ONTRDM
Ontario
Fri 11/27
6:00 am-12:06 pm
1 stop6h 06m
Bend/Redmond
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
Quickest round-trip
OntarioPortland
ONT Ontario - PDX Portland
ONTPDX
Ontario
Mon 12/14
7:10 am-9:40 am
Nonstop2h 30m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
OntarioPortland
ONT Ontario - PDX Portland
ONTPDX
Ontario
Fri 12/11
10:50 am-1:20 pm
Nonstop2h 30m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Oregon
Have a flexible travel schedule? Discover the best time to fly to Oregon from Ontario with our price prediction graph.
ONT-PDX
ONT-EUG
ONT-RDM
ONT-MFR
ONT-OTH
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 Ontario to Oregon
ONT-USOR
ONT-PDX
ONT-EUG
ONT-RDM
ONT-MFR
What is the cheapest month to book a flight from Ontario to Oregon?
Currently, February is the cheapest month in which you can book a flight from Ontario to Oregon (average of $224). Flying from Ontario to Oregon in November is currently the most expensive (average of $348). 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 ONT to OR?
Find hourly flight availability from Ontario to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 72% on flights from Ontario to Oregon by exploring options for tickets in the evening.
How much does it cost to fly round-trip from Ontario to Oregon?
Airfare is below average for this route at the moment.
Ontario to Oregon flights typically cost between $259 and $399 in November.The cheapest round-trip price found within the last 5 days was $201 on Frontier (Nov 26-Dec 3).
How far ahead should I book a flight from Ontario to Oregon?
The price you pay for your flight from Ontario to Oregon may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Ontario to Oregon?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Oregon. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Ontario to Oregon flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Oregon
Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated October 29, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Ontario to Oregon have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Oregon
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Complete your trip
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Search flights from Ontario to Oregon by cabin class
Find flights from Ontario to Oregon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Oregon flights
Browse other Ontario and Oregon flight options. Last updated on October 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Oregon flights
Consider these flights traveling from Ontario to Oregon.
Top 6 airlines flying from Ontario to Oregon
Discover the top 6 airlines that operate flights from Ontario to Oregon. 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$274 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$370 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$167 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$191 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$205 | Average$341 | FlexibilityNo cancel fee | On-time85% |