$162+ Cheap flights from Eugene to Ontario (EUG - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ONT
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Eugene to Ontario 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 Eugene to Ontario
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Last-minute
One-way
Cheapest flights from Eugene to OntarioExplore the most affordable flight options available from Eugene to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Eugene to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:23 pm -
1 stop17h 53m
Mon 10/2611:13 am -
1 stop7h 33m
Deal found 9/7![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/7. 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 10/206:05 am -
1 stop5h 11m
Tue 10/275:03 pm -
2 stops6h 56m
Deal found 9/7![Delta logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:46 pm -
1 stop10h 18m
Wed 10/215:25 pm -
1 stop20h 40m
Deal found 9/6![Multiple Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/27:35 pm -
2 stops21h 30m
Mon 10/56:02 am -
1 stop27h 15m
Deal found 9/4![Alaska Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:32 pm -
1 stop4h 47m
Thu 10/86:20 am -
1 stop6h 36m
Deal found 9/8![Delta logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/223:01 pm -
1 stop8h 41m
Mon 10/266:02 am -
1 stop11h 11m
Deal found 9/5![Alaska Airlines logo]()
$303
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:23 pm -
1 stop14h 54m
Mon 11/27:13 pm -
1 stop4h 41m
Deal found 9/7![Alaska Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/235:41 pm -
1 stop23h 31m
Mon 10/265:03 pm -
2 stops6h 56m
Deal found 9/5![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:05 am -
1 stop5h 11m
Wed 10/2111:56 am -
1 stop5h 05m
Deal found 9/7![Delta logo]()
$323
Best flights from Eugene to OntarioDiscover carefully curated flight deals from Eugene to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Eugene to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:41 pm -
1 stop4h 56m
Fri 1/87:00 am -
1 stop10h 13m
Deal found 9/6![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:23 pm -
1 stop17h 53m
Mon 10/2611:13 am -
1 stop7h 33m
Deal found 9/7![Alaska Airlines logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/177:23 pm -
1 stop14h 54m
Mon 10/1911:13 am -
1 stop22h 04m
Deal found 9/5![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/125:41 pm -
1 stop5h 02m
Sat 10/176:00 pm -
1 stop4h 49m
Deal found 9/9![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:41 pm -
1 stop5h 02m
Mon 10/265:03 pm -
2 stops6h 56m
Deal found 9/7![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:05 am -
1 stop5h 11m
Wed 10/219:45 am -
2 stops7h 16m
Deal found 9/7![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:28 am -
1 stop4h 16m
Wed 11/116:00 am -
1 stop6h 55m
Deal found 9/8![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 11/65:41 pm -
1 stop5h 02m
Mon 11/95:59 pm -
1 stop5h 55m
Deal found 9/5![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:32 pm -
1 stop4h 47m
Mon 10/59:52 am -
1 stop6h 13m
Deal found 9/8![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:45 pm -
1 stop7h 02m
Thu 10/86:00 pm -
1 stop5h 59m
Deal found 9/8![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/1512:33 pm -
1 stop4h 39m
Sun 10/186:20 am -
1 stop6h 36m
Deal found 9/7![Delta logo]()
$361
Last-minute flights from Eugene to OntarioDiscover last-minute flight deals from Eugene to Ontario. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to Ontario. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:32 pm -
1 stop4h 47m
Thu 10/86:20 am -
1 stop6h 36m
Deal found 9/8![Delta logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:23 pm -
1 stop17h 53m
Mon 10/127:25 am -
1 stop4h 41m
Deal found 9/7![Alaska Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:46 pm -
1 stop10h 18m
Wed 10/215:25 pm -
1 stop20h 40m
Deal found 9/6![Multiple Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:05 am -
1 stop5h 11m
Wed 10/2111:56 am -
1 stop5h 05m
Deal found 9/7![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 9/7. 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 10/206:05 am -
1 stop5h 11m
Tue 10/275:03 pm -
2 stops6h 56m
Deal found 9/7![Delta logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/223:01 pm -
1 stop8h 41m
Mon 10/266:02 am -
1 stop11h 11m
Deal found 9/5![Alaska Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:23 pm -
1 stop17h 53m
Mon 10/2611:13 am -
1 stop7h 33m
Deal found 9/7![Alaska Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/235:41 pm -
1 stop23h 31m
Mon 10/265:03 pm -
2 stops6h 56m
Deal found 9/5![Delta logo]()
$313
This Mytrip deal was found by Cheapflights users on 9/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:23 pm -
1 stop14h 54m
Mon 11/27:13 pm -
1 stop4h 41m
Deal found 9/7![Alaska Airlines logo]()
$304
One-way flights from Eugene to OntarioSearch for one-way flight options from Eugene to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Eugene to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:51 pm -
1 stop4h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:03 pm -
1 stop4h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 9/9. 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.
Tue 10/1311:15 am -
2 stops8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$175
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:23 pm -
1 stop14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:23 pm -
2 stops21h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 9/9. 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 10/212:32 pm -
1 stop4h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$184
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:49 pm -
1 stop9h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$189
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:43 pm -
1 stop4h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 9/6. 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 10/54:05 pm -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$207
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop4h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:08 am -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$217
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:23 pm -
1 stop14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$224
Find flight deals from Eugene to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Eugene (EUG) to Ontario (ONT). 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Alaska Airlines) |
One-way from | $162 (Delta) |
Popular in | March |
Cheapest in | October |
Average price | $364 |
Cheapflights Fare Finder
Customize your flight search to find flights from Eugene to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Eugene to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Sat 10/3
5:51 pm-10:40 pm
1 stop4h 49m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
Quickest round-trip
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Tue 10/13
6:00 am-10:23 am
1 stop4h 23m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Thu 11/26
1:40 pm-6:30 pm
1 stop4h 50m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Tue 10/13
11:15 am-7:40 pm
2 stops8h 25m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$175
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Mon 10/5
7:23 pm-10:17 am
1 stop14h 54m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$177
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Sat 10/10
3:01 pm-10:17 am
1 stop19h 16m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$177
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Mon 10/5
4:05 pm-11:50 pm
2 stops7h 45m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$207
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Tue 11/10
5:00 am-12:33 pm
1 stop7h 33m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$210
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Wed 11/25
6:08 am-11:17 am
1 stop5h 09m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$217
EugeneOntario
EUG Eugene - ONT Ontario
EUGONT
Eugene
Tue 11/24
5:49 pm-11:00 pm
1 stop5h 11m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$217
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Eugene to Ontario
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 Eugene to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Eugene-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Eugene-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Eugene-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Eugene-Ontario 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 Eugene-Ontario 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 Eugene to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Eugene with our price prediction graph.
EUG-ONT
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 Eugene to Ontario
What is the cheapest month to book a flight from Eugene to Ontario?
Currently, October is the cheapest month in which you can book a flight from Eugene to Ontario (average of $264). Flying from Eugene to Ontario in March is currently the most expensive (average of $587). 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 Eugene to Ontario?
Airfare is below average for this route at the moment.
Eugene to Ontario flights typically cost between $338 and $372 in October.The cheapest round-trip price found within the last 5 days was $263 on Alaska Airlines (Oct 23-Oct 26).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 9, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andUnited Airlines from Eugene to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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Top 3 airlines flying from Eugene to Ontario
Discover the top 3 airlines that operate flights from Eugene to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$422 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$362 | FlexibilityNo cancel fee | On-time63% |