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$122+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ONT
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$243
(Delta)

One-way from

$122
(Delta)

Popular in

June

Cheapest in

February

Average price

$329
Provider with most accurate pricing for Eugene-Ontario flight deals.
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Provider most trusted by Cheapflights users for Eugene-Ontario flights.
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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. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 8, 2025.

This Delta deal was found by Cheapflights users on 3/6. 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.
Tue 4/15:00 amEUG - ONT
1 stop6h 02mDelta
Tue 4/85:30 pmONT - EUG
1 stop5h 25mDelta
Deal found 3/6$243
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 4/221:47 pmEUG - ONT
1 stop6h 42mAlaska Airlines
Wed 4/234:29 pmONT - EUG
1 stop4h 25mAlaska Airlines
Deal found 3/6$252
This Hawaiian Airlines deal was found by Cheapflights users on 3/6. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/107:32 pmEUG - ONT
1 stop4h 27mHawaiian Airlines
Mon 4/146:00 amONT - EUG
1 stop6h 31mHawaiian Airlines
Deal found 3/6$329
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/51:58 pmEUG - ONT
1 stop3h 58mUnited Airlines
Sun 4/66:00 amONT - EUG
1 stop6h 14mUnited Airlines
Deal found 3/7$342
This Trip.com deal was found by Cheapflights users on 3/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/186:00 amEUG - ONT
1 stop5h 02mMultiple Airlines
Sun 3/236:00 amONT - EUG
1 stop6h 03mMultiple Airlines
Deal found 3/7$481
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/275:50 amEUG - ONT
1 stop4h 30mSouthwest
Sun 3/305:25 amONT - EUG
2 stops8h 30mSouthwest
Deal found 3/7$834
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2012:02 pmEUG - ONT
2 stops9h 58mAmerican Airlines
Sat 3/299:51 amONT - EUG
2 stops13h 35mAmerican Airlines
Deal found 3/8$2,749

Find flights from Eugene to Ontario within your budget

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 March 8, 2025.

Fly from

Eugene

Fly to

Ontario

Route

Depart

Return

Price

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 4/1

5:00 am-11:02 am

1 stop6h 02m

Ontario

Tue 4/8

5:30 pm-10:55 pm

1 stop5h 25m

$243

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 4/22

1:47 pm-8:29 pm

1 stop6h 42m

Ontario

Wed 4/23

4:29 pm-8:54 pm

1 stop4h 25m

$252

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 4/10

7:32 pm-11:59 pm

1 stop4h 27m

Ontario

Mon 4/14

6:00 am-12:31 pm

1 stop6h 31m

$329

EugeneOntario

EUG - ONT

EUGONT

Eugene

Sat 4/5

1:58 pm-5:56 pm

1 stop3h 58m

Ontario

Sun 4/6

6:00 am-12:14 pm

1 stop6h 14m

$342

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 3/18

6:00 am-11:02 am

1 stop5h 02m

Ontario

Sun 3/23

6:00 am-12:03 pm

1 stop6h 03m

$481

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 3/27

5:50 am-10:20 am

1 stop4h 30m

Ontario

Sun 3/30

5:25 am-1:55 pm

2 stops8h 30m

$834

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 3/20

12:02 pm-10:00 pm

2 stops9h 58m

Ontario

Sat 3/29

9:51 am-11:26 pm

2 stops13h 35m

$2,749

EugeneOntario

EUG - ONT

EUGONT

Eugene

Wed 4/2

11:23 am-4:42 pm

1 stop5h 19m

$122

EugeneOntario

EUG - ONT

EUGONT

Eugene

Wed 4/2

12:55 pm-10:40 pm

2 stops9h 45m

$136

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 4/10

7:32 pm-11:59 pm

1 stop4h 27m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 12 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Eugene to Ontario

Get recent, data-driven insights about flights from Eugene to Ontario including ideal travel times, pricing trends, and more.

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 $313). 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 March 8, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 March 8, 2025.
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,314 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,716 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,024 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,316 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $243, was found to be the cheapest airline from Eugene to Ontario.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. Users have found that Delta is 30% 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 Delta ($122), Southwest ($136), and Hawaiian Airlines ($140).

  • 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 $313). 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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$216Average$362FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$217Average$369FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$383FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$258Average$370FlexibilityNo cancel feeOn-time63%
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