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

Hawaiian Airlines, at $248, was found to be the cheapest airline from Ontario to Eugene.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. These flights start at 30% lower than the current average price 3 months from now.

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

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $152 and $167 on Delta and United Airlines, respectively.

What is the cheapest day to fly from Ontario to Eugene?

Travelers seeking maximum savings on their Ontario to Eugene flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Ontario to Eugene?

Before booking your flight from Ontario to Eugene check out the most popular airlines for this route: Alaska Airlines, Delta or United Airlines.

What is the cheapest day to fly round-trip from Ontario to Eugene?

Saturday flights are found to be more expensive to fly from Ontario to Eugene. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Eugene.

How far in advance should I book a flight from Ontario to Eugene?

To save up to 112% on this flight, we recommend booking at least 26 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Eugene from $416 1-2 weeks out and tickets from $480 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Eugene?

The best pricing can be found in the month of May. Prices to Eugene from Ontario average $322. You can even find prices in May for less than $322, as users have found deals to Eugene from as low as $161. The month of June appears to be one of the more expensive times to travel to Eugene from Ontario. Flying in the targeted month can save you up to 42%.

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 eDreams the most. eDreams 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.

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

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

How can I find direct flights from Ontario to Eugene?

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

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

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

$119+ Flights from Ontario to Eugene - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Eugene

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$248 (Hawaiian Airlines)
One-way from	$119 (Alaska Airlines)
Popular in	November
Cheapest in	August
Average price	$372

Provider with most accurate pricing for Ontario-Eugene flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Eugene flights.

Search Deals

From Ontario to Eugene

Search Deals

One-way flight from Ontario to Eugene

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Ontario to Eugene

Cheapest flights from Ontario to Eugene
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 April 29, 2025.

Sat 5/244:45 pmONT - EUG

1 stop4h 52mHawaiian Airlines

Tue 5/271:37 pmEUG - ONT

1 stop4h 48mHawaiian Airlines

Deal found 4/29

$248

Fri 5/166:00 amONT - EUG

1 stop6h 37mAlaska Airlines

Mon 5/197:25 pmEUG - ONT

1 stop27h 21mAlaska Airlines

Deal found 4/28

$262

Mon 5/266:00 amONT - EUG

1 stop4h 45mDelta

Mon 6/25:24 pmEUG - ONT

1 stop5h 11mDelta

Deal found 4/28

$267

Fri 7/116:15 pmONT - EUG

1 stop3h 55mSouthwest

Mon 7/144:50 pmEUG - ONT

1 stop5h 25mSouthwest

Deal found 4/28

$323

Wed 5/286:00 amONT - EUG

1 stop6h 15mUnited Airlines

Thu 6/126:00 amEUG - ONT

1 stop6h 14mUnited Airlines

Deal found 4/28

$327

Fri 5/26:00 amONT - EUG

1 stop6h 14mMultiple Airlines

Fri 5/25:21 pmEUG - ONT

1 stop6h 38mMultiple Airlines

Deal found 4/29

$632

Best flights from Ontario to Eugene
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 April 29, 2025.

Sat 5/244:45 pmONT - EUG

1 stop4h 52mHawaiian Airlines

Tue 5/271:37 pmEUG - ONT

1 stop4h 48mHawaiian Airlines

Deal found 4/29

$248

Fri 5/166:00 amONT - EUG

1 stop6h 37mAlaska Airlines

Mon 5/197:25 pmEUG - ONT

1 stop27h 21mAlaska Airlines

Deal found 4/28

$262

Mon 5/266:00 amONT - EUG

1 stop4h 45mDelta

Mon 6/25:24 pmEUG - ONT

1 stop5h 11mDelta

Deal found 4/28

$267

Tue 6/176:00 amONT - EUG

1 stop6h 09mUnited Airlines

Sat 6/216:00 amEUG - ONT

1 stop6h 14mUnited Airlines

Deal found 4/29

$321

Fri 7/116:15 pmONT - EUG

1 stop3h 55mSouthwest

Mon 7/144:50 pmEUG - ONT

1 stop5h 25mSouthwest

Deal found 4/28

$323

Last-minute flights from Ontario to Eugene
Discover last-minute flight deals from Ontario to Eugene. Data last updated April 29, 2025 and is based on user searches.

Fri 5/26:00 amONT - EUG

1 stop6h 14mMultiple Airlines

Fri 5/25:21 pmEUG - ONT

1 stop6h 38mMultiple Airlines

Deal found 4/29

$632

Mon 5/54:29 pmONT - EUG

1 stop4h 25mAlaska Airlines

Mon 5/128:24 amEUG - ONT

1 stop7h 08mAlaska Airlines

Deal found 4/29

$409

Mon 5/51:20 pmONT - EUG

2 stops9h 35mDelta

Mon 5/127:00 amEUG - ONT

2 stops9h 17mDelta

Deal found 4/29

$562

Fri 5/93:10 pmONT - EUG

1 stop5h 20mUnited Airlines

Sun 5/116:00 amEUG - ONT

1 stop6h 24mUnited Airlines

Deal found 4/29

$333

Fri 5/96:20 pmONT - EUG

1 stop3h 35mSouthwest

Sun 5/1111:55 amEUG - ONT

2 stops7h 30mSouthwest

Deal found 4/29

$441

Fri 5/166:00 amONT - EUG

1 stop6h 37mAlaska Airlines

Mon 5/197:25 pmEUG - ONT

1 stop27h 21mAlaska Airlines

Deal found 4/28

$262

Sat 5/244:45 pmONT - EUG

1 stop4h 52mHawaiian Airlines

Tue 5/271:37 pmEUG - ONT

1 stop4h 48mHawaiian Airlines

Deal found 4/29

$248

Mon 5/266:00 amONT - EUG

1 stop4h 45mDelta

Mon 6/25:24 pmEUG - ONT

1 stop5h 11mDelta

Deal found 4/28

$267

Wed 5/286:00 amONT - EUG

1 stop6h 15mUnited Airlines

Thu 6/126:00 amEUG - ONT

1 stop6h 14mUnited Airlines

Deal found 4/28

$327

One-way flights from Ontario to Eugene
Search for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 5/216:00 amONT - EUG

1 stop6h 37mAlaska Airlines

Deal found 4/29

$119

Sun 6/85:50 pmONT - EUG

1 stop5h 02mDelta

Deal found 4/29

$152

Wed 6/186:41 pmONT - EUG

1 stop3h 40mUnited Airlines

Deal found 4/29

$167

Sun 6/85:30 amONT - EUG

2 stops6h 15mSouthwest

Deal found 4/29

$209

Cheapflights Fare Finder

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

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/24

4:45 pm-9:37 pm

1 stop4h 52m

Eugene

Tue 5/27

1:37 pm-6:25 pm

1 stop4h 48m

$248

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 5/16

6:00 am-12:37 pm

1 stop6h 37m

Eugene

Mon 5/19

7:25 pm-10:46 pm

1 stop27h 21m

$262

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Mon 5/26

6:00 am-10:45 am

1 stop4h 45m

Eugene

Mon 6/2

5:24 pm-10:35 pm

1 stop5h 11m

$267

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 6/17

6:00 am-12:09 pm

1 stop6h 09m

Eugene

Sat 6/21

6:00 am-12:14 pm

1 stop6h 14m

$321

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 7/11

6:15 pm-10:10 pm

1 stop3h 55m

Eugene

Mon 7/14

4:50 pm-10:15 pm

1 stop5h 25m

$323

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 5/21

6:00 am-12:37 pm

1 stop6h 37m

$119

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 8/19

1:00 pm-11:17 pm

2 stops10h 17m

$137

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 6/18

6:41 pm-10:21 pm

1 stop3h 40m

$167

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 6/8

5:30 am-11:45 am

2 stops6h 15m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from Ontario to Eugene

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Eugene in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy2 stars	Trust 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 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 eDreams the most. eDreams 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.

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Eugene (average of $321). Flying from Ontario to Eugene in June is currently the most expensive (average of $553). 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 ONT to EUG?

It’s typically best to fly out from Ontario to Eugene in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Eugene by month

In terms of precipitation, rainfall in Eugene ranges from 0.5 - 7.8 inches per month. December is typically the wettest month, when rainfall can reach 7.8 in. July is typically the driest time to visit Eugene when rainfall is around 0.5 in.

Temperature in Eugene by month

If weather is an important factor for your trip to Eugene, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Eugene

To help decide which airline to fly from Ontario to Eugene, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

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

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

4,295 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,405 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

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

What are the cheapest airlines flying from Ontario to Eugene round-trip?
Hawaiian Airlines, at $248, was found to be the cheapest airline from Ontario to Eugene.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. These flights start at 30% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Ontario to Eugene one-way?
For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $152 and $167 on Delta and United Airlines, respectively.
Can I find deals for flights from Ontario to Eugene that include hotel bookings?
Yes. In addition to deals on Ontario to Eugene flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Eugene?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Eugene.
Can I find deals for business class flights from Ontario to Eugene?
Yes. Cheapflights offers flight deals from Ontario to Eugene 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 Ontario to Eugene?
Currently, January is the cheapest month in which you can book a flight from Ontario to Eugene (average of $321). Flying from Ontario to Eugene in June is currently the most expensive (average of $553). 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.

See more FAQs

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Other flights to Eugene

Top 5 airlines flying from Ontario to Eugene

Airline	Cheapest	Average	Flexibility	On-time
Avelo Airlines	Cheapest$142	Average$180	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$187	Average$316	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$207	Average$330	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$218	Average$336	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$266	Average$396	FlexibilityNo cancel fee	On-time63%

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$119+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Eugene with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Eugene

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Eugene

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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

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

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 April.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Eugene

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

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

Find hourly flight availability from Ontario to Eugene. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in Eugene by month

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

Temperature in Eugene by month

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

Reviews of airlines servicing Eugene

To help decide which airline to fly from Ontario to Eugene, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

How can I find direct flights from Ontario to Eugene?

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

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

Traveling to a place near Ontario?

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Alternative routes for Ontario to Eugene

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Top 5 airlines flying from Ontario to Eugene

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Cheapest flights from Ontario to Eugene
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 April 29, 2025.