$114+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EUG
Apr 29 — May 61
Round-trip
1 adult, Economy
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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 30, 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 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/61:50 pm
ONT
- EUG
1 stop20h 22m
Multiple Airlines
Sun 5/1011:02 am
EUG
- ONT
1 stop20h 47m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:49 pm
ONT
- EUG
1 stop4h 10m
United Airlines
Tue 4/286:00 am
EUG
- ONT
1 stop3h 56m
United Airlines
Deal found 3/26![United Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:59 pm
ONT
- EUG
1 stop4h 00m
United Airlines
Sat 5/236:48 pm
EUG
- ONT
1 stop4h 02m
United Airlines
Deal found 3/26![United Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 3/26. 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 5/98:40 am
ONT
- EUG
2 stops7h 55m
Southwest
Sat 5/235:00 am
EUG
- ONT
1 stop4h 05m
Southwest
Deal found 3/26![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 3/29. 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 4/225:55 pm
ONT
- EUG
1 stop6h 03m
Delta
Sat 5/96:15 am
EUG
- ONT
1 stop6h 20m
Delta
Deal found 3/29![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 3/28. 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.
Wed 4/223:45 pm
ONT
- EUG
2 stops7h 20m
Southwest
Sat 4/255:00 am
EUG
- ONT
1 stop4h 05m
Southwest
Deal found 3/28![Southwest logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Sat 5/95:17 am
EUG
- ONT
1 stop4h 51m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:59 pm
ONT
- EUG
1 stop4h 00m
United Airlines
Mon 5/181:58 pm
EUG
- ONT
1 stop3h 54m
United Airlines
Deal found 3/26![United Airlines logo]()
$315
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Tue 4/284:02 pm
EUG
- ONT
1 stop7h 46m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:49 pm
ONT
- EUG
1 stop4h 10m
United Airlines
Sat 4/252:00 pm
EUG
- ONT
1 stop3h 47m
United Airlines
Deal found 3/28![United Airlines logo]()
$318
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 30, 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 30, 2026.
This Southwest deal was found by Cheapflights users on 3/28. 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.
Wed 4/223:45 pm
ONT
- EUG
2 stops7h 20m
Southwest
Sat 4/255:00 am
EUG
- ONT
1 stop4h 05m
Southwest
Deal found 3/28![Southwest logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 5/57:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Sat 5/98:00 am
EUG
- ONT
1 stop6h 32m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:59 pm
ONT
- EUG
1 stop4h 00m
United Airlines
Mon 5/181:58 pm
EUG
- ONT
1 stop3h 54m
United Airlines
Deal found 3/26![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:55 pm
ONT
- EUG
2 stops7h 55m
Southwest
Sun 4/195:10 am
EUG
- ONT
1 stop3h 55m
Southwest
Deal found 3/25![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
ONT
- EUG
1 stop5h 05m
Alaska Airlines
Thu 4/234:02 pm
EUG
- ONT
1 stop7h 46m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 3/28. 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.
Sat 5/236:20 pm
ONT
- EUG
1 stop4h 20m
Southwest
Mon 5/255:10 am
EUG
- ONT
1 stop5h 15m
Southwest
Deal found 3/28![Southwest logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Thu 4/304:02 pm
EUG
- ONT
1 stop7h 46m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 3/26. 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 5/1510:30 am
ONT
- EUG
1 stop5h 55m
Southwest
Mon 5/182:50 pm
EUG
- ONT
2 stops8h 15m
Southwest
Deal found 3/26![Southwest logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:54 am
ONT
- EUG
1 stop4h 29m
Alaska Airlines
Tue 7/285:43 pm
EUG
- ONT
1 stop5h 28m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 7/95:26 pm
ONT
- EUG
1 stop6h 33m
Alaska Airlines
Tue 7/147:20 pm
EUG
- ONT
1 stop15h 54m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$373
Last-minute flights from Ontario to EugeneDiscover last-minute flight deals from Ontario to Eugene. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Eugene. Data last updated March 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Sat 4/1112:38 pm
ONT
- EUG
2 stops23h 23m
Multiple Airlines
Thu 4/1611:02 am
EUG
- ONT
1 stop21h 22m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/25. 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.
Thu 4/165:55 pm
ONT
- EUG
1 stop6h 03m
Delta
Sun 4/196:30 am
EUG
- ONT
1 stop4h 43m
Delta
Deal found 3/25![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
ONT
- EUG
1 stop5h 05m
Alaska Airlines
Thu 4/234:02 pm
EUG
- ONT
1 stop7h 46m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 3/29. 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 4/225:55 pm
ONT
- EUG
1 stop6h 03m
Delta
Sat 5/96:15 am
EUG
- ONT
1 stop6h 20m
Delta
Deal found 3/29![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 3/28. 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.
Wed 4/223:45 pm
ONT
- EUG
2 stops7h 20m
Southwest
Sat 4/255:00 am
EUG
- ONT
1 stop4h 05m
Southwest
Deal found 3/28![Southwest logo]()
$308
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Sat 5/98:00 am
EUG
- ONT
2 stops15h 48m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:49 pm
ONT
- EUG
1 stop4h 10m
United Airlines
Sat 4/252:00 pm
EUG
- ONT
1 stop3h 47m
United Airlines
Deal found 3/28![United Airlines logo]()
$318
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Tue 4/284:02 pm
EUG
- ONT
1 stop7h 46m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:49 pm
ONT
- EUG
1 stop4h 10m
United Airlines
Tue 4/286:00 am
EUG
- ONT
1 stop3h 56m
United Airlines
Deal found 3/26![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 3/26. 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.
Mon 4/2710:30 am
ONT
- EUG
1 stop5h 55m
Southwest
Tue 4/2811:20 am
EUG
- ONT
2 stops7h 35m
Southwest
Deal found 3/26![Southwest logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 4/297:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Tue 5/55:17 am
EUG
- ONT
1 stop4h 51m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$310
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 30, 2026.
Search for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/2911:44 am
ONT
- EUG
1 stop22h 28m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$114
This Southwest deal was found by Cheapflights users on 3/26. 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.
Wed 4/296:30 am
ONT
- EUG
2 stops6h 30m
Southwest
Deal found 3/26![Southwest logo]()
$127
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:00 am
ONT
- EUG
1 stop7h 57m
United Airlines
Deal found 3/26![United Airlines logo]()
$146
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
ONT
- EUG
1 stop4h 49m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/236:49 pm
ONT
- EUG
1 stop4h 10m
United Airlines
Deal found 3/30![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/233:35 pm
ONT
- EUG
2 stops7h 05m
Southwest
Deal found 3/30![Southwest logo]()
$172
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:58 pm
ONT
- EUG
1 stop5h 25m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 5/83:26 pm
ONT
- EUG
1 stop6h 28m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$182
This Expedia deal was found by Cheapflights users on 3/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:54 am
ONT
- EUG
1 stop4h 24m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 7/209:40 am
ONT
- EUG
1 stop6h 28m
Delta
Deal found 3/30![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:34 pm
ONT
- EUG
1 stop7h 34m
United Airlines
Deal found 3/27![United Airlines logo]()
$192
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Kiwi.com) |
One-way from | $114 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $378 |
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 30, 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
Wed 4/22
3:45 pm-11:05 pm
2 stops7h 20m
Eugene
Sat 4/25
5:00 am-9:05 am
1 stop4h 05m
$308
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Tue 5/5
7:00 am-11:49 am
1 stop4h 49m
Eugene
Sat 5/9
8:00 am-2:32 pm
1 stop6h 32m
$310
Quickest round-trip
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 5/15
6:59 pm-10:59 pm
1 stop4h 00m
Eugene
Mon 5/18
1:58 pm-5:52 pm
1 stop3h 54m
$315
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 4/16
1:55 pm-9:50 pm
2 stops7h 55m
Eugene
Sun 4/19
5:10 am-9:05 am
1 stop3h 55m
$333
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 4/16
7:00 am-12:05 pm
1 stop5h 05m
Eugene
Thu 4/23
4:02 pm-11:48 pm
1 stop7h 46m
$333
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sat 5/23
6:20 pm-10:40 pm
1 stop4h 20m
Eugene
Mon 5/25
5:10 am-10:25 am
1 stop5h 15m
$353
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 5/15
10:30 am-4:25 pm
1 stop5h 55m
Eugene
Mon 5/18
2:50 pm-11:05 pm
2 stops8h 15m
$353
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 4/30
7:00 am-11:49 am
1 stop4h 49m
Eugene
Thu 4/30
4:02 pm-11:48 pm
1 stop7h 46m
$363
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Tue 7/7
10:54 am-3:23 pm
1 stop4h 29m
Eugene
Tue 7/28
5:43 pm-11:11 pm
1 stop5h 28m
$373
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 7/9
5:26 pm-11:59 pm
1 stop6h 33m
Eugene
Tue 7/14
7:20 pm-11:14 am
1 stop15h 54m
$373
Showing 1-10 of 21 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 |
- 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 30, 2026.
Read through reviews of airlines operating flights from Ontario to Eugene, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
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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 30, 2026.
Search flights from Ontario to Eugene by cabin class
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Ontario and Eugene flights
Browse other Ontario and Eugene flight options. Last updated on March 30, 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 30, 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 30, 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$342 | FlexibilityNo cancel fee | On-time75% |