$104+ Cheap flights from Ontario to Eugene (ONT - EUG)
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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EUG
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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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 Ontario to EugeneExplore the most affordable flight options available from Ontario to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Ontario to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:55 pm
ONT
- EUG
1 stop6h 03m
Delta
Sun 5/36:30 am
EUG
- ONT
1 stop4h 43m
Delta
Deal found 3/9![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:52 am
ONT
- EUG
1 stop5h 11m
Delta
Sun 5/106:15 am
EUG
- ONT
1 stop4h 57m
Delta
Deal found 3/8![Delta logo]()
$196
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:55 pm
ONT
- EUG
1 stop6h 03m
Delta
Fri 5/812:35 pm
EUG
- ONT
2 stops10h 59m
Delta
Deal found 3/8![Delta logo]()
$201
This CheapOair deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:26 pm
ONT
- EUG
1 stop8h 33m
Alaska Airlines
Mon 5/184:08 pm
EUG
- ONT
1 stop7h 50m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:53 am
ONT
- EUG
1 stop5h 11m
Delta
Mon 5/46:30 am
EUG
- ONT
1 stop4h 43m
Delta
Deal found 3/10![Delta logo]()
$207
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:39 am
ONT
- EUG
1 stop13h 20m
Alaska Airlines
Tue 5/121:23 pm
EUG
- ONT
1 stop9h 09m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:09 pm
ONT
- EUG
1 stop5h 37m
Delta
Tue 4/146:30 am
EUG
- ONT
1 stop4h 43m
Delta
Deal found 3/8![Delta logo]()
$222
This CheapOair deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:26 pm
ONT
- EUG
1 stop6h 28m
Alaska Airlines
Thu 5/141:45 pm
EUG
- ONT
1 stop10h 13m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:50 pm
ONT
- EUG
1 stop6h 00m
Delta
Sun 5/176:15 am
EUG
- ONT
1 stop6h 20m
Delta
Deal found 3/7![Delta logo]()
$226
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:59 pm
ONT
- EUG
1 stop16h 47m
Alaska Airlines
Mon 4/278:38 pm
EUG
- ONT
1 stop13h 07m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:52 am
ONT
- EUG
1 stop5h 11m
Delta
Mon 5/186:15 am
EUG
- ONT
1 stop4h 57m
Delta
Deal found 3/6![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:45 am
ONT
- EUG
1 stop6h 10m
Delta
Wed 6/1012:30 pm
EUG
- ONT
1 stop4h 46m
Delta
Deal found 3/8![Delta logo]()
$240
Best flights from Ontario to EugeneDiscover carefully curated flight deals from Ontario to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Ontario to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:52 am
ONT
- EUG
1 stop5h 11m
Delta
Sun 5/1712:35 pm
EUG
- ONT
1 stop22h 37m
Delta
Deal found 3/6![Delta logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:08 pm
ONT
- EUG
1 stop4h 50m
Alaska Airlines
Wed 4/87:17 pm
EUG
- ONT
1 stop4h 42m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:55 pm
ONT
- EUG
2 stops7h 55m
Southwest
Sat 4/185:00 am
EUG
- ONT
1 stop7h 20m
Southwest
Deal found 3/6![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 4/411:59 am
ONT
- EUG
1 stop5h 11m
Delta
Tue 4/75:15 am
EUG
- ONT
1 stop7h 08m
Delta
Deal found 3/5![Delta logo]()
$270
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:40 am
ONT
- EUG
2 stops10h 05m
Southwest
Sat 4/115:00 am
EUG
- ONT
1 stop4h 05m
Southwest
Deal found 3/6![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 4/283:26 pm
ONT
- EUG
1 stop6h 28m
Alaska Airlines
Sat 5/25:17 am
EUG
- ONT
1 stop4h 51m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:54 am
ONT
- EUG
1 stop4h 29m
Alaska Airlines
Thu 7/95:20 am
EUG
- ONT
1 stop4h 39m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/202:09 pm
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Tue 6/235:43 pm
EUG
- ONT
1 stop5h 28m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:58 pm
ONT
- EUG
1 stop5h 25m
Alaska Airlines
Sun 9/66:00 am
EUG
- ONT
1 stop5h 09m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:38 pm
ONT
- EUG
1 stop6h 21m
Alaska Airlines
Mon 7/207:20 pm
EUG
- ONT
1 stop15h 54m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$383
Last-minute flights from Ontario to EugeneDiscover last-minute flight deals from Ontario to Eugene. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Eugene. Data last updated March 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 4/16:49 pm
ONT
- EUG
1 stop4h 10m
United Airlines
Tue 4/76:00 am
EUG
- ONT
1 stop3h 56m
United Airlines
Deal found 3/5![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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.
Wed 4/18:30 am
ONT
- EUG
2 stops8h 05m
Southwest
Tue 4/76:35 am
EUG
- ONT
1 stop8h 35m
Southwest
Deal found 3/5![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 4/411:59 am
ONT
- EUG
1 stop5h 11m
Delta
Tue 4/75:15 am
EUG
- ONT
1 stop7h 08m
Delta
Deal found 3/5![Delta logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:08 pm
ONT
- EUG
1 stop23h 32m
Alaska Airlines
Mon 4/131:07 pm
EUG
- ONT
1 stop20h 32m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 am
ONT
- EUG
1 stop17h 50m
Delta
Tue 4/75:15 am
EUG
- ONT
1 stop7h 08m
Delta
Deal found 3/7![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:09 pm
ONT
- EUG
1 stop5h 37m
Delta
Tue 4/146:30 am
EUG
- ONT
1 stop4h 43m
Delta
Deal found 3/8![Delta logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:25 pm
ONT
- EUG
2 stops29h 33m
Alaska Airlines
Tue 4/147:17 pm
EUG
- ONT
1 stop14h 22m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
ONT
- EUG
1 stop12h 40m
Alaska Airlines
Sun 4/198:01 am
EUG
- ONT
1 stop25h 38m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:43 pm
ONT
- EUG
1 stop7h 24m
United Airlines
Sat 4/186:00 am
EUG
- ONT
1 stop4h 08m
United Airlines
Deal found 3/6![United Airlines logo]()
$285
This CheapOair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:59 pm
ONT
- EUG
1 stop16h 47m
Alaska Airlines
Mon 4/278:38 pm
EUG
- ONT
1 stop13h 07m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$234
This CheapOair deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:39 am
ONT
- EUG
1 stop11h 15m
Alaska Airlines
Mon 4/278:38 pm
EUG
- ONT
1 stop13h 07m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$273
This CheapOair deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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.
Tue 4/286:00 am
ONT
- EUG
1 stop15h 54m
Alaska Airlines
Wed 5/68:38 pm
EUG
- ONT
1 stop13h 07m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$243
One-way flights from Ontario to EugeneSearch for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:55 pm
ONT
- EUG
1 stop6h 03m
Delta
Deal found 3/7![Delta logo]()
$104
This Trip.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
ONT
- EUG
1 stop5h 05m
Hawaiian Airlines
Deal found 3/7![Hawaiian Airlines logo]()
$130
This Alaska Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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.
Sat 5/27:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$139
This Trip.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/57:00 am
ONT
- EUG
1 stop5h 05m
Hawaiian Airlines
Deal found 3/7![Hawaiian Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:09 pm
ONT
- EUG
1 stop5h 37m
Delta
Deal found 3/10![Delta logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:49 pm
ONT
- EUG
1 stop4h 58m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:02 pm
ONT
- EUG
1 stop6h 56m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:09 pm
ONT
- EUG
1 stop5h 37m
Delta
Deal found 3/10![Delta logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:15 am
ONT
- EUG
1 stop4h 16m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:22 pm
ONT
- EUG
2 stops7h 36m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 4/412:38 pm
ONT
- EUG
2 stops23h 23m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/112:09 pm
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$182
Find flight deals from Ontario to Eugene
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Eugene (EUG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Delta) |
One-way from | $104 (Delta) |
Popular in | November |
Cheapest in | February |
Average price | $365 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Eugene that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Ontario to Eugene that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sat 5/9
11:52 am-5:03 pm
1 stop5h 11m
Eugene
Sun 5/17
12:35 pm-11:12 am
1 stop22h 37m
$196
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sat 4/4
11:59 am-5:10 pm
1 stop5h 11m
Eugene
Tue 4/7
5:15 am-12:23 pm
1 stop7h 08m
$270
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Tue 4/7
7:08 pm-11:58 pm
1 stop4h 50m
Eugene
Wed 4/8
7:17 pm-11:59 pm
1 stop4h 42m
$287
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 4/17
1:55 pm-9:50 pm
2 stops7h 55m
Eugene
Sat 4/18
5:00 am-12:20 pm
1 stop7h 20m
$301
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sat 4/4
5:40 am-3:45 pm
2 stops10h 05m
Eugene
Sat 4/11
5:00 am-9:05 am
1 stop4h 05m
$333
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Tue 4/28
3:26 pm-9:54 pm
1 stop6h 28m
Eugene
Sat 5/2
5:17 am-10:08 am
1 stop4h 51m
$338
Quickest round-trip
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sun 7/5
10:54 am-3:23 pm
1 stop4h 29m
Eugene
Thu 7/9
5:20 am-9:59 am
1 stop4h 39m
$363
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sat 6/20
2:09 pm-6:58 pm
1 stop4h 49m
Eugene
Tue 6/23
5:43 pm-11:11 pm
1 stop5h 28m
$363
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 9/3
6:58 pm-12:23 am
1 stop5h 25m
Eugene
Sun 9/6
6:00 am-11:09 am
1 stop5h 09m
$363
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sun 6/28
5:38 pm-11:59 pm
1 stop6h 21m
Eugene
Mon 7/20
7:20 pm-11:14 am
1 stop15h 54m
$383
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Ontario to Eugene
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Eugene in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Eugene flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Eugene flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Eugene flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Eugene flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Eugene flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Eugene
Have a flexible travel schedule? Discover the best time to fly to Eugene from Ontario with our price prediction graph.
ONT-EUG
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 Eugene
What is the cheapest month to book a flight from Ontario to Eugene?
Currently, May is the cheapest month in which you can book a flight from Ontario to Eugene (average of $69). Flying from Ontario to Eugene in February is currently the most expensive (average of $125). 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.
How much does it cost to fly round-trip from Ontario to Eugene?
Reviews of airlines servicing Eugene
Get insights into the airlines that provide service to Eugene. 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 Eugene. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Ontario to Eugene, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
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 Eugene. 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 Eugene?
Book flights to Eugene if you plan to visit one of these locationsNewport
Corvallis
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Alternative routes for Ontario to Eugene
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Complete your trip
Complete your trip to Eugene by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Eugene
Explore flights to Eugene departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Search flights from Ontario to Eugene by cabin class
Find flights from Ontario to Eugene, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Eugene flights
Browse other Ontario and Eugene flight options. Last updated on March 10, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Eugene
Discover the top 4 airlines that operate flights from Ontario to Eugene. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$281 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$258 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$183 | Average$358 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$197 | Average$331 | FlexibilityNo cancel fee | On-time75% |