$145+ Cheap flights from Eugene to Ontario (EUG - ONT)
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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ONT
Aug 22 — Aug 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
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 July 23, 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 July 23, 2026.
This Southwest deal was found by Cheapflights users on 7/20. 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 8/156:00 am
EUG
- ONT
1 stop3h 50m
Southwest
Tue 8/187:45 am
ONT
- EUG
1 stop5h 10m
Southwest
Deal found 7/20![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 7/19. 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 8/125:40 am
EUG
- ONT
1 stop4h 35m
Southwest
Wed 8/197:45 am
ONT
- EUG
1 stop5h 10m
Southwest
Deal found 7/19![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 7/22. 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 9/1411:20 am
EUG
- ONT
2 stops10h 25m
Southwest
Mon 9/212:40 pm
ONT
- EUG
2 stops8h 00m
Southwest
Deal found 7/22![Southwest logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/274:03 pm
EUG
- ONT
1 stop4h 21m
Alaska Airlines
Mon 8/317:12 am
ONT
- EUG
1 stop5h 36m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 7/21. 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 9/245:20 am
EUG
- ONT
1 stop6h 54m
Delta
Sat 9/266:00 pm
ONT
- EUG
1 stop4h 59m
Delta
Deal found 7/21![Delta logo]()
$325
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:02 pm
EUG
- ONT
1 stop7h 52m
Alaska Airlines
Sat 10/316:02 am
ONT
- EUG
2 stops9h 23m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$351
This Priceline deal was found by Cheapflights users on 7/20. 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.
Thu 10/296:07 am
EUG
- ONT
1 stop7h 09m
Alaska Airlines
Tue 2/212:00 pm
ONT
- EUG
1 stop5h 08m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 7/21. 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 12/1212:30 pm
EUG
- ONT
1 stop4h 47m
Delta
Wed 12/305:05 pm
ONT
- EUG
1 stop6h 48m
Delta
Deal found 7/21![Delta logo]()
$356
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 July 23, 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 July 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 11/35:28 am
EUG
- ONT
1 stop4h 15m
Alaska Airlines
Wed 11/410:37 am
ONT
- EUG
1 stop4h 45m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 7/21. 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 9/26:40 am
EUG
- ONT
1 stop7h 45m
Southwest
Wed 9/161:50 pm
ONT
- EUG
1 stop8h 40m
Southwest
Deal found 7/21![Southwest logo]()
$289
This Delta deal was found by Cheapflights users on 7/18. 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 8/135:20 am
EUG
- ONT
1 stop6h 56m
Delta
Tue 8/186:20 am
ONT
- EUG
1 stop6h 44m
Delta
Deal found 7/18![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 7/22. 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 9/143:55 pm
EUG
- ONT
1 stop5h 30m
Southwest
Mon 9/216:10 am
ONT
- EUG
2 stops9h 00m
Southwest
Deal found 7/22![Southwest logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/274:03 pm
EUG
- ONT
1 stop4h 21m
Alaska Airlines
Mon 8/317:12 am
ONT
- EUG
1 stop5h 36m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 7/21. 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 9/245:20 am
EUG
- ONT
1 stop6h 54m
Delta
Sat 9/266:00 pm
ONT
- EUG
1 stop4h 59m
Delta
Deal found 7/21![Delta logo]()
$325
This Priceline deal was found by Cheapflights users on 7/18. 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.
Mon 9/215:25 am
EUG
- ONT
1 stop4h 26m
Alaska Airlines
Thu 9/247:12 am
ONT
- EUG
1 stop5h 42m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 7/22. 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 8/1812:25 pm
EUG
- ONT
2 stops7h 40m
Southwest
Fri 8/212:40 pm
ONT
- EUG
2 stops8h 00m
Southwest
Deal found 7/22![Southwest logo]()
$373
This Gotogate deal was found by Cheapflights users on 7/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:02 pm
EUG
- ONT
1 stop7h 52m
Alaska Airlines
Sat 10/316:02 am
ONT
- EUG
2 stops9h 23m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/22. 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 8/141:15 pm
EUG
- ONT
2 stops7h 25m
Southwest
Mon 8/176:00 am
ONT
- EUG
1 stop6h 40m
Southwest
Deal found 7/22![Southwest logo]()
$378
Last-minute flights from Eugene to OntarioDiscover last-minute flight deals from Eugene to Ontario. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Eugene to Ontario. Data last updated July 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/19. 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 8/125:40 am
EUG
- ONT
1 stop4h 35m
Southwest
Wed 8/197:45 am
ONT
- EUG
1 stop5h 10m
Southwest
Deal found 7/19![Southwest logo]()
$302
This Priceline deal was found by Cheapflights users on 7/22. 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.
Thu 8/135:43 pm
EUG
- ONT
1 stop5h 28m
Alaska Airlines
Sun 8/165:26 pm
ONT
- EUG
1 stop6h 33m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 7/20. 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 8/156:00 am
EUG
- ONT
1 stop3h 50m
Southwest
Tue 8/187:45 am
ONT
- EUG
1 stop5h 10m
Southwest
Deal found 7/20![Southwest logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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 8/176:00 am
EUG
- ONT
1 stop5h 14m
Alaska Airlines
Sat 8/227:12 am
ONT
- EUG
2 stops9h 54m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$369
This CheapOair deal was found by Cheapflights users on 7/19. 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 8/2212:40 pm
EUG
- ONT
1 stop7h 44m
Alaska Airlines
Mon 8/244:50 pm
ONT
- EUG
2 stops16h 29m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/244:11 pm
EUG
- ONT
1 stop6h 48m
United Airlines
Fri 8/289:01 am
ONT
- EUG
1 stop6h 35m
United Airlines
Deal found 7/21![United Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/244:03 pm
EUG
- ONT
1 stop4h 21m
Alaska Airlines
Fri 8/287:59 pm
ONT
- EUG
1 stop22h 59m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/274:03 pm
EUG
- ONT
1 stop4h 21m
Alaska Airlines
Mon 8/317:12 am
ONT
- EUG
1 stop5h 36m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$315
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 July 23, 2026.
Search for one-way flight options from Eugene to Ontario. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Priceline deal was found by Cheapflights users on 7/20. 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.
Sat 9/54:03 pm
EUG
- ONT
1 stop4h 21m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$145
This Priceline deal was found by Cheapflights users on 7/18. 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 8/125:20 am
EUG
- ONT
1 stop4h 36m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 7/23. 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 9/1011:20 am
EUG
- ONT
2 stops8h 05m
Southwest
Deal found 7/23![Southwest logo]()
$163
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/57:25 am
EUG
- ONT
1 stop4h 47m
United Airlines
Deal found 7/20![United Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/1012:16 pm
EUG
- ONT
3 stops22h 27m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 7/19. 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 12/12:30 pm
EUG
- ONT
2 stops6h 20m
Southwest
Deal found 7/19![Southwest logo]()
$195
This Priceline deal was found by Cheapflights users on 7/22. 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.
Sun 9/1312:34 pm
EUG
- ONT
1 stop4h 44m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$214
This Booking.com deal was found by Cheapflights users on 7/18. 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 8/237:35 pm
EUG
- ONT
1 stop15h 29m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$219
This Priceline deal was found by Cheapflights users on 7/20. 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 8/145:43 pm
EUG
- ONT
1 stop5h 28m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 10/205:26 am
EUG
- ONT
2 stops7h 50m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$232
This Booking.com deal was found by Cheapflights users on 7/19. 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.
Tue 12/15:48 pm
EUG
- ONT
1 stop4h 51m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$234
This Southwest deal was found by Cheapflights users on 7/19. 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 11/3012:30 pm
EUG
- ONT
2 stops8h 20m
Southwest
Deal found 7/19![Southwest logo]()
$239
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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Delta) |
One-way from | $145 (Priceline) |
Popular in | March |
Cheapest in | October |
Average price | $436 |
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 2,558,603 searches. Data last updated July 23, 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
Quickest round-trip
EugeneOntario
EUG - ONT
EUGONT
Eugene
Tue 11/3
5:28 am-9:43 am
1 stop4h 15m
Ontario
Wed 11/4
10:37 am-3:22 pm
1 stop4h 45m
$289
EugeneOntario
EUG - ONT
EUGONT
Eugene
Wed 9/2
6:40 am-2:25 pm
1 stop7h 45m
Ontario
Wed 9/16
1:50 pm-10:30 pm
1 stop8h 40m
$289
EugeneOntario
EUG - ONT
EUGONT
Eugene
Mon 9/14
3:55 pm-9:25 pm
1 stop5h 30m
Ontario
Mon 9/21
6:10 am-3:10 pm
2 stops9h 00m
$294
EugeneOntario
EUG - ONT
EUGONT
Eugene
Thu 8/13
5:20 am-12:16 pm
1 stop6h 56m
Ontario
Tue 8/18
6:20 am-1:04 pm
1 stop6h 44m
$302
EugeneOntario
EUG - ONT
EUGONT
Eugene
Thu 8/27
4:03 pm-8:24 pm
1 stop4h 21m
Ontario
Mon 8/31
7:12 am-12:48 pm
1 stop5h 36m
$315
EugeneOntario
EUG - ONT
EUGONT
Eugene
Mon 9/21
5:25 am-9:51 am
1 stop4h 26m
Ontario
Thu 9/24
7:12 am-12:54 pm
1 stop5h 42m
$315
EugeneOntario
EUG - ONT
EUGONT
Eugene
Thu 9/24
5:20 am-12:14 pm
1 stop6h 54m
Ontario
Sat 9/26
6:00 pm-10:59 pm
1 stop4h 59m
$325
EugeneOntario
EUG - ONT
EUGONT
Eugene
Thu 10/8
4:02 pm-11:54 pm
1 stop7h 52m
Ontario
Sat 10/31
6:02 am-3:25 pm
2 stops9h 23m
$351
EugeneOntario
EUG - ONT
EUGONT
Eugene
Tue 8/18
12:25 pm-8:05 pm
2 stops7h 40m
Ontario
Fri 8/21
2:40 pm-10:40 pm
2 stops8h 00m
$373
EugeneOntario
EUG - ONT
EUGONT
Eugene
Fri 8/14
1:15 pm-8:40 pm
2 stops7h 25m
Ontario
Mon 8/17
6:00 am-12:40 pm
1 stop6h 40m
$378
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 July.
| 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 $314 and $415 in August.The cheapest round-trip price found within the last 5 days was $237 on Delta (Aug 20-Aug 24).
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 July 23, 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.
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Eugene to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Eugene
Popular flights
Alternative routes for Eugene to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Eugene to Ontario by cabin class
Find flights from Eugene to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Eugene and Ontario flights
Browse other Eugene and Ontario flight options. Last updated on July 23, 2026.
Other flights from Eugene
Browse through other flights departing from Eugene. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$434 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$242 | Average$362 | FlexibilityNo cancel fee | On-time63% |