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$119+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ONT
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap 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 julio 3, 2025.

Round-trip from

$237
(Delta)

One-way from

$119
(Alaska Airlines)

Popular in

March

Cheapest in

February

Average price

$323
From Eugene to Ontario
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One-way flight from Eugene to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Eugene to Ontario

Cheapest flights from Eugene to Ontario
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 julio 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/3. 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.
jue. 8/76:00 amEUG - ONT
1 stop5h 05mAlaska Airlines
mié. 8/137:30 amONT - EUG
1 stop4h 12mAlaska Airlines
Deal found 7/3$237
This Delta deal was found by Cheapflights users on 7/3. 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.
jue. 8/711:30 amEUG - ONT
1 stop5h 46mDelta
mié. 8/131:15 pmONT - EUG
2 stops9h 39mDelta
Deal found 7/3$242
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/205:27 amEUG - ONT
1 stop3h 59mHawaiian Airlines
lun. 9/226:00 amONT - EUG
1 stop6h 42mHawaiian Airlines
Deal found 7/1$243
This United Airlines deal was found by Cheapflights users on 7/2. 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.
jue. 8/216:00 amEUG - ONT
1 stop6h 13mUnited Airlines
dom. 8/246:00 amONT - EUG
1 stop6h 03mUnited Airlines
Deal found 7/2$268
This Southwest deal was found by Cheapflights users on 7/1. 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.
jue. 8/72:55 pmEUG - ONT
1 stop8h 00mSouthwest
dom. 8/103:45 pmONT - EUG
2 stops7h 30mSouthwest
Deal found 7/1$278

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 julio 3, 2025.
Use the filters below to find and compare flights from Eugene to Ontario that are best for you.

Fly from

Eugene

Fly to

Ontario

Route

Depart

Return

Price

EugeneOntario

EUG - ONT

EUGONT

Eugene

jue. 8/7

6:00 am-11:05 am

1 stop5h 05m

Ontario

mié. 8/13

7:30 am-11:42 am

1 stop4h 12m

$237

EugeneOntario

EUG - ONT

EUGONT

Eugene

jue. 8/7

11:30 am-5:16 pm

1 stop5h 46m

Ontario

mié. 8/13

1:15 pm-10:54 pm

2 stops9h 39m

$242

EugeneOntario

EUG - ONT

EUGONT

Eugene

sáb. 9/20

5:27 am-9:26 am

1 stop3h 59m

Ontario

lun. 9/22

6:00 am-12:42 pm

1 stop6h 42m

$243

EugeneOntario

EUG - ONT

EUGONT

Eugene

jue. 8/21

6:00 am-12:13 pm

1 stop6h 13m

Ontario

dom. 8/24

6:00 am-12:03 pm

1 stop6h 03m

$268

EugeneOntario

EUG - ONT

EUGONT

Eugene

jue. 8/7

2:55 pm-10:55 pm

1 stop8h 00m

Ontario

dom. 8/10

3:45 pm-11:15 pm

2 stops7h 30m

$278

EugeneOntario

EUG - ONT

EUGONT

Eugene

mar. 9/16

6:00 am-10:44 am

1 stop4h 44m

$119

EugeneOntario

EUG - ONT

EUGONT

Eugene

mié. 8/13

2:10 pm-8:45 pm

2 stops6h 35m

$124

EugeneOntario

EUG - ONT

EUGONT

Eugene

sáb. 8/9

6:00 am-1:26 pm

1 stop7h 26m

$125

EugeneOntario

EUG - ONT

EUGONT

Eugene

jue. 7/24

5:20 am-12:14 pm

1 stop6h 54m

$162

EugeneOntario

EUG - ONT

EUGONT

Eugene

mié. 7/16

2:02 pm-5:43 pm

1 stop3h 41m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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.
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, August is the cheapest month in which you can book a flight from Eugene to Ontario (average of $246). Flying from Eugene to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from EUG to ONT?

Find hourly flight availability from Eugene to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 3% on flights from Eugene to Ontario by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Eugene to Ontario?

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 julio 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Eugene to Ontario round-trip?

    Delta, at $237, was found to be the cheapest airline from Eugene to Ontario.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. Users have found that Delta is 35% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Eugene to Ontario one-way?

    The cheapest airlines for a one-way flight from Eugene to Ontario are Alaska Airlines ($119), Southwest ($124), and Hawaiian Airlines ($125).

  • Can I find deals for flights from Eugene to Ontario that include hotel bookings?

    Yes. In addition to deals on Eugene to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Eugene to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Eugene to Ontario.

  • Can I find deals for business class flights from Eugene to Ontario?

    Yes. Cheapflights offers flight deals from Eugene to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Eugene to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Eugene to Ontario (average of $246). Flying from Eugene to Ontario in March is currently the most expensive (average of $328). 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.

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Top 4 airlines flying from Eugene to Ontario

Discover the top 4 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$212Average$414FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$217Average$394FlexibilityNo cancel feeOn-time75%
DeltaCheapest$249Average$352FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$347FlexibilityNo cancel feeOn-time63%

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