$154+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EUG
Jul 15 — Jul 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Eugene 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 Eugene
Cheapest
Best
Last-minute
One-way
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 June 15, 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 June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:59 pm
ONT
- EUG
1 stop7h 10m
American Airlines
Sat 8/225:24 am
EUG
- ONT
1 stop6h 39m
American Airlines
Deal found 6/10![American Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:20 pm
ONT
- EUG
1 stop3h 30m
Southwest
Sat 8/2211:45 am
EUG
- ONT
2 stops8h 20m
Southwest
Deal found 6/10![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/161:50 pm
ONT
- EUG
1 stop8h 40m
Southwest
Fri 9/1812:20 pm
EUG
- ONT
1 stop7h 00m
Southwest
Deal found 6/12![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/295:40 am
ONT
- EUG
2 stops6h 35m
Southwest
Mon 8/3112:20 pm
EUG
- ONT
1 stop7h 00m
Southwest
Deal found 6/11![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/76:01 pm
ONT
- EUG
1 stop5h 50m
Delta
Wed 7/1512:32 pm
EUG
- ONT
1 stop4h 49m
Delta
Deal found 6/12![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/269:43 am
ONT
- EUG
1 stop6h 20m
Delta
Wed 9/95:51 pm
EUG
- ONT
1 stop4h 49m
Delta
Deal found 6/13![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/411:57 am
ONT
- EUG
1 stop6h 58m
Delta
Tue 7/145:45 pm
EUG
- ONT
1 stop5h 07m
Delta
Deal found 6/12![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/39:20 pm
ONT
- EUG
1 stop11h 47m
Alaska Airlines
Tue 7/75:43 pm
EUG
- ONT
1 stop5h 28m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$343
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 June 15, 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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/412:45 pm
ONT
- EUG
1 stop7h 40m
Southwest
Tue 7/75:25 am
EUG
- ONT
1 stop4h 10m
Southwest
Deal found 6/14![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/246:01 pm
ONT
- EUG
1 stop5h 50m
Delta
Tue 7/285:45 pm
EUG
- ONT
1 stop5h 07m
Delta
Deal found 6/14![Delta logo]()
$380
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:54 am
ONT
- EUG
1 stop4h 24m
Alaska Airlines
Fri 7/175:20 am
EUG
- ONT
1 stop4h 36m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:50 pm
ONT
- EUG
1 stop4h 06m
United Airlines
Tue 7/286:00 am
EUG
- ONT
1 stop6h 12m
United Airlines
Deal found 6/10![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:40 pm
ONT
- EUG
1 stop6h 10m
Southwest
Tue 7/145:25 am
EUG
- ONT
1 stop4h 10m
Southwest
Deal found 6/10![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/86:25 pm
ONT
- EUG
1 stop3h 55m
Southwest
Fri 7/102:45 pm
EUG
- ONT
1 stop7h 55m
Southwest
Deal found 6/12![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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.
Sun 7/126:00 am
ONT
- EUG
1 stop5h 48m
Delta
Sun 7/196:15 am
EUG
- ONT
1 stop5h 02m
Delta
Deal found 6/14![Delta logo]()
$437
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/145:40 am
ONT
- EUG
2 stops7h 00m
Southwest
Tue 8/1812:25 pm
EUG
- ONT
2 stops8h 30m
Southwest
Deal found 6/13![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:35 am
ONT
- EUG
2 stops7h 40m
Southwest
Tue 7/281:40 pm
EUG
- ONT
2 stops8h 35m
Southwest
Deal found 6/10![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/38:35 am
ONT
- EUG
2 stops7h 40m
Southwest
Tue 7/75:25 am
EUG
- ONT
1 stop4h 10m
Southwest
Deal found 6/13![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/86:25 pm
ONT
- EUG
1 stop3h 55m
Southwest
Sun 7/121:20 pm
EUG
- ONT
2 stops8h 05m
Southwest
Deal found 6/13![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Sun 7/126:15 am
ONT
- EUG
1 stop10h 00m
Southwest
Mon 7/135:10 am
EUG
- ONT
1 stop5h 20m
Southwest
Deal found 6/11![Southwest logo]()
$432
Last-minute flights from Ontario to EugeneDiscover last-minute flight deals from Ontario to Eugene. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Eugene. Data last updated June 15, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 6/307:00 am
ONT
- EUG
1 stop4h 57m
Alaska Airlines
Sat 7/185:37 pm
EUG
- ONT
1 stop5h 34m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 6/306:02 am
ONT
- EUG
1 stop6h 59m
Alaska Airlines
Sat 7/45:20 am
EUG
- ONT
1 stop4h 36m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/39:20 pm
ONT
- EUG
1 stop11h 47m
Alaska Airlines
Tue 7/75:43 pm
EUG
- ONT
1 stop5h 28m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/411:57 am
ONT
- EUG
1 stop6h 58m
Delta
Tue 7/145:45 pm
EUG
- ONT
1 stop5h 07m
Delta
Deal found 6/12![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/76:01 pm
ONT
- EUG
1 stop5h 50m
Delta
Wed 7/1512:32 pm
EUG
- ONT
1 stop4h 49m
Delta
Deal found 6/12![Delta logo]()
$333
This Orbitz deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Wed 7/82:05 pm
ONT
- EUG
1 stop4h 53m
Alaska Airlines
Sun 7/126:00 am
EUG
- ONT
1 stop7h 09m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/86:25 pm
ONT
- EUG
1 stop3h 55m
Southwest
Fri 7/102:45 pm
EUG
- ONT
1 stop7h 55m
Southwest
Deal found 6/12![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:40 pm
ONT
- EUG
1 stop6h 10m
Southwest
Tue 7/145:25 am
EUG
- ONT
1 stop4h 10m
Southwest
Deal found 6/10![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/146:00 am
ONT
- EUG
2 stops7h 00m
Southwest
Wed 7/155:55 pm
EUG
- ONT
1 stop4h 20m
Southwest
Deal found 6/11![Southwest logo]()
$348
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Tue 7/212:05 pm
ONT
- EUG
1 stop4h 53m
Alaska Airlines
Tue 7/286:00 am
EUG
- ONT
1 stop7h 09m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/222:50 pm
ONT
- EUG
1 stop8h 25m
Southwest
Sat 7/255:20 pm
EUG
- ONT
1 stop4h 40m
Southwest
Deal found 6/11![Southwest logo]()
$368
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 June 15, 2026.
Search for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This SmartFares deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:54 am
ONT
- EUG
1 stop4h 29m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$154
This Priceline deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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.
Tue 7/75:26 pm
ONT
- EUG
1 stop6h 33m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:05 pm
ONT
- EUG
1 stop4h 53m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$172
This Booking.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:02 am
ONT
- EUG
1 stop6h 59m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:56 pm
ONT
- EUG
1 stop6h 33m
United Airlines
Deal found 6/10![United Airlines logo]()
$183
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:00 am
ONT
- EUG
1 stop4h 57m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/116:00 am
ONT
- EUG
1 stop6h 01m
United Airlines
Deal found 6/11![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
ONT
- EUG
1 stop6h 01m
United Airlines
Deal found 6/12![United Airlines logo]()
$207
This CheapOair deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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.
Sun 9/612:00 pm
ONT
- EUG
1 stop7h 05m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/205:10 pm
ONT
- EUG
1 stop6h 45m
Delta
Deal found 6/15![Delta logo]()
$214
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/115:50 am
ONT
- EUG
2 stops8h 15m
Southwest
Deal found 6/11![Southwest logo]()
$219
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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.
Sun 7/126:00 am
ONT
- EUG
1 stop5h 48m
Delta
Deal found 6/14![Delta logo]()
$224
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $154 (SmartFares) |
Popular in | March |
Cheapest in | February |
Average price | $382 |
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 June 15, 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 7/4
12:45 pm-8:25 pm
1 stop7h 40m
Eugene
Tue 7/7
5:25 am-9:35 am
1 stop4h 10m
$338
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 7/24
6:01 pm-11:51 pm
1 stop5h 50m
Eugene
Tue 7/28
5:45 pm-10:52 pm
1 stop5h 07m
$380
Quickest round-trip
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Wed 7/15
10:54 am-3:18 pm
1 stop4h 24m
Eugene
Fri 7/17
5:20 am-9:56 am
1 stop4h 36m
$385
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 7/10
3:40 pm-9:50 pm
1 stop6h 10m
Eugene
Tue 7/14
5:25 am-9:35 am
1 stop4h 10m
$385
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Wed 7/8
6:25 pm-10:20 pm
1 stop3h 55m
Eugene
Fri 7/10
2:45 pm-10:40 pm
1 stop7h 55m
$390
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 8/14
5:40 am-12:40 pm
2 stops7h 00m
Eugene
Tue 8/18
12:25 pm-8:55 pm
2 stops8h 30m
$390
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 7/9
1:50 pm-5:56 pm
1 stop4h 06m
Eugene
Tue 7/28
6:00 am-12:12 pm
1 stop6h 12m
$395
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Thu 7/9
8:35 am-4:15 pm
2 stops7h 40m
Eugene
Tue 7/28
1:40 pm-10:15 pm
2 stops8h 35m
$405
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 7/3
8:35 am-4:15 pm
2 stops7h 40m
Eugene
Tue 7/7
5:25 am-9:35 am
1 stop4h 10m
$405
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Wed 7/8
6:25 pm-10:20 pm
1 stop3h 55m
Eugene
Sun 7/12
1:20 pm-9:25 pm
2 stops8h 05m
$414
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
Prices
More
What is the cheapest month to book a flight from Ontario to Eugene?
Currently, February is the cheapest month in which you can book a flight from Ontario to Eugene (average of $197). Flying from Ontario to Eugene in March is currently the most expensive (average of $391). 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?
What’s the top layover airport for flights from Ontario to Eugene?
Share of 1-stop round-trip flights from Ontario to Eugene chosen by Cheapflights users in the past 12 months, using the same layover each way.
Oakland (OAK) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Eugene on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Eugene?
Average round-trip fare for 1-stop flights from Ontario to Eugene, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Oakland (OAK) is the most affordable 1-stop option, with an average round-trip price of $151.
What’s the fastest layover option from Ontario to Eugene?
Shortest average travel time for 1-stop one-way flights from Ontario to Eugene, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 4h 10m.
Which airport typically offers the quickest layover for flights from Ontario to Eugene?
Average layover duration for 1-stop one-way flights from Ontario to Eugene, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 0h 45m.
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 June 15, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Eugene flight routes
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Eugene
See prices for flight routes from nearby airports that may be better suited for you.
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 June 15, 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 June 15, 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 June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Ontario to Eugene
Discover the top 5 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$194 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$156 | Average$307 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$180 | Average$258 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$382 | FlexibilityNo cancel fee | On-time75% |