$158+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EUG
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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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
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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 June 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 June 10, 2026.
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 8/204:10 pm
ONT
- EUG
1 stop5h 35m
Southwest
Wed 8/261:40 pm
EUG
- ONT
1 stop8h 20m
Southwest
Deal found 6/10![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 10/75:50 pm
ONT
- EUG
1 stop5h 57m
Delta
Sat 10/1012:30 pm
EUG
- ONT
1 stop4h 47m
Delta
Deal found 6/9![Delta logo]()
$300
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:54 am
ONT
- EUG
1 stop4h 24m
Alaska Airlines
Wed 7/225:37 pm
EUG
- ONT
1 stop5h 34m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 6/305:59 pm
ONT
- EUG
1 stop5h 52m
Delta
Fri 7/35:45 pm
EUG
- ONT
1 stop4h 56m
Delta
Deal found 6/9![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:30 pm
ONT
- EUG
1 stop8h 15m
Southwest
Tue 8/42:50 pm
EUG
- ONT
1 stop3h 35m
Southwest
Deal found 6/8![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:40 am
ONT
- EUG
2 stops6h 35m
Southwest
Fri 8/216:40 am
EUG
- ONT
1 stop7h 20m
Southwest
Deal found 6/8![Southwest logo]()
$357
This CheapOair deal was found by Cheapflights users on 6/5. 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.
Wed 8/1210:54 am
ONT
- EUG
1 stop4h 24m
Alaska Airlines
Wed 8/265:25 am
EUG
- ONT
1 stop4h 23m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$359
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 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 June 10, 2026.
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 8/204:10 pm
ONT
- EUG
1 stop5h 35m
Southwest
Wed 8/261:40 pm
EUG
- ONT
1 stop8h 20m
Southwest
Deal found 6/10![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- EUG
1 stop5h 43m
United Airlines
Wed 8/191:57 pm
EUG
- ONT
1 stop6h 04m
United Airlines
Deal found 6/9![United Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 10/277:23 am
ONT
- EUG
2 stops9h 50m
Alaska Airlines
Wed 10/286:07 am
EUG
- ONT
1 stop7h 12m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:35 am
ONT
- EUG
1 stop5h 30m
Southwest
Tue 7/215:25 am
EUG
- ONT
2 stops8h 40m
Southwest
Deal found 6/9![Southwest logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 9/2512:12 pm
ONT
- EUG
1 stop4h 56m
Alaska Airlines
Mon 9/2812:34 pm
EUG
- ONT
1 stop4h 44m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:05 pm
ONT
- EUG
1 stop5h 15m
Southwest
Fri 7/2410:15 am
EUG
- ONT
2 stops7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 6/5. 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.
Mon 7/275:15 am
ONT
- EUG
2 stops8h 50m
Southwest
Tue 8/42:50 pm
EUG
- ONT
1 stop3h 35m
Southwest
Deal found 6/5![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 6/5. 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.
Sat 9/196:00 am
ONT
- EUG
2 stops7h 20m
Southwest
Sun 9/205:50 pm
EUG
- ONT
1 stop4h 25m
Southwest
Deal found 6/5![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:35 pm
ONT
- EUG
2 stops6h 45m
Southwest
Sat 10/107:15 am
EUG
- ONT
2 stops8h 25m
Southwest
Deal found 6/9![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 6/6. 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.
Mon 7/206:30 am
ONT
- EUG
2 stops7h 35m
Southwest
Sat 7/256:25 am
EUG
- ONT
1 stop3h 25m
Southwest
Deal found 6/6![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 6/6. 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.
Thu 7/233:40 pm
ONT
- EUG
1 stop6h 10m
Southwest
Mon 7/274:55 pm
EUG
- ONT
1 stop6h 40m
Southwest
Deal found 6/6![Southwest logo]()
$427
Last-minute flights from Ontario to EugeneDiscover last-minute flight deals from Ontario to Eugene. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Eugene. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 6/305:59 pm
ONT
- EUG
1 stop5h 52m
Delta
Fri 7/35:45 pm
EUG
- ONT
1 stop4h 56m
Delta
Deal found 6/9![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 6/306:20 am
ONT
- EUG
1 stop6h 39m
Delta
Mon 7/65:45 pm
EUG
- ONT
1 stop4h 56m
Delta
Deal found 6/5![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 7/35:21 pm
ONT
- EUG
1 stop6h 37m
Delta
Fri 7/104:43 pm
EUG
- ONT
1 stop7h 05m
Delta
Deal found 6/9![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 7/35:21 pm
ONT
- EUG
1 stop6h 37m
Delta
Mon 7/612:32 pm
EUG
- ONT
1 stop4h 47m
Delta
Deal found 6/8![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 7/46:00 am
ONT
- EUG
1 stop5h 52m
Delta
Wed 7/812:32 pm
EUG
- ONT
1 stop4h 49m
Delta
Deal found 6/7![Delta logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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.
Sun 7/57:00 am
ONT
- EUG
1 stop4h 57m
Alaska Airlines
Sun 7/125:20 am
EUG
- ONT
1 stop4h 36m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$393
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.
Tue 7/710:54 am
ONT
- EUG
1 stop4h 29m
Alaska Airlines
Sat 7/115:37 pm
EUG
- ONT
1 stop5h 34m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:35 am
ONT
- EUG
1 stop5h 30m
Southwest
Tue 7/215:25 am
EUG
- ONT
2 stops8h 40m
Southwest
Deal found 6/9![Southwest logo]()
$390
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:54 am
ONT
- EUG
1 stop4h 24m
Alaska Airlines
Wed 7/225:37 pm
EUG
- ONT
1 stop5h 34m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:30 pm
ONT
- EUG
1 stop8h 15m
Southwest
Tue 8/42:50 pm
EUG
- ONT
1 stop3h 35m
Southwest
Deal found 6/8![Southwest logo]()
$344
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 10, 2026.
Search for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This SmartFares deal was found by Cheapflights users on 6/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:54 am
ONT
- EUG
1 stop4h 29m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 7/76:20 am
ONT
- EUG
1 stop6h 38m
Delta
Deal found 6/9![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 6/306:20 am
ONT
- EUG
1 stop6h 39m
Delta
Deal found 6/7![Delta logo]()
$210
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 6/304:20 pm
ONT
- EUG
1 stop6h 39m
United Airlines
Deal found 6/6![United Airlines logo]()
$212
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
ONT
- EUG
1 stop5h 48m
Delta
Deal found 6/10![Delta logo]()
$214
This Southwest deal was found by Cheapflights users on 6/5. 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.
Sat 7/183:00 pm
ONT
- EUG
2 stops6h 55m
Southwest
Deal found 6/5![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 6/6. 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 6/279:20 am
ONT
- EUG
1 stop3h 30m
Southwest
Deal found 6/6![Southwest logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 6/2010:54 am
ONT
- EUG
1 stop4h 24m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 pm
ONT
- EUG
1 stop4h 36m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$234
This Priceline deal was found by Cheapflights users on 6/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:54 am
ONT
- EUG
1 stop4h 29m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sun 6/285:30 am
ONT
- EUG
2 stops8h 15m
Southwest
Deal found 6/6![Southwest logo]()
$259
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $158 (SmartFares) |
Popular in | March |
Cheapest in | February |
Average price | $313 |
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 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
Thu 8/20
4:10 pm-9:45 pm
1 stop5h 35m
Eugene
Wed 8/26
1:40 pm-10:00 pm
1 stop8h 20m
$297
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Tue 8/18
6:00 am-11:43 am
1 stop5h 43m
Eugene
Wed 8/19
1:57 pm-8:01 pm
1 stop6h 04m
$365
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 7/17
8:35 am-2:05 pm
1 stop5h 30m
Eugene
Tue 7/21
5:25 am-2:05 pm
2 stops8h 40m
$390
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Wed 7/22
12:05 pm-5:20 pm
1 stop5h 15m
Eugene
Fri 7/24
10:15 am-6:00 pm
2 stops7h 45m
$390
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Mon 7/27
5:15 am-2:05 pm
2 stops8h 50m
Eugene
Tue 8/4
2:50 pm-6:25 pm
1 stop3h 35m
$390
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Sat 9/19
6:00 am-1:20 pm
2 stops7h 20m
Eugene
Sun 9/20
5:50 pm-10:15 pm
1 stop4h 25m
$398
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Wed 10/7
2:35 pm-9:20 pm
2 stops6h 45m
Eugene
Sat 10/10
7:15 am-3:40 pm
2 stops8h 25m
$413
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Tue 10/27
7:23 am-5:13 pm
2 stops9h 50m
Eugene
Wed 10/28
6:07 am-1:19 pm
1 stop7h 12m
$416
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Mon 7/20
6:30 am-2:05 pm
2 stops7h 35m
Eugene
Sat 7/25
6:25 am-9:50 am
1 stop3h 25m
$420
Quickest round-trip
OntarioEugene
ONT - EUG
ONTEUG
Ontario
Fri 9/25
12:12 pm-5:08 pm
1 stop4h 56m
Eugene
Mon 9/28
12:34 pm-5:18 pm
1 stop4h 44m
$427
Showing 1-10 of 22 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 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.
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Ontario to 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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Other flights to Eugene
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Ontario and Eugene flights
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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 10, 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$177 | Average$374 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$178 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$180 | Average$258 | FlexibilityNo cancel fee | On-time69% |