How popular is this Ontario to O'ahu flight route?

Flights from Ontario to O'ahu have been viewed 19 times in the past calendar month.

What are the cheapest airlines to fly from Ontario to O'ahu one-way?

To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $159. Alaska Airlines flights start at $164 while deals on Delta start at $169 one-way.

What are the cheapest flights from Ontario to O'ahu?

On average you can expect to pay $389 for a flight from Ontario to O'ahu. The cheapest flight overall is $159 while the most popular route, (Ontario - Honolulu) is currently priced at $318.

What are the most reliable airlines from Ontario to O'ahu?

Consider Alaska Airlines (85%), JetBlue (85%) or Hawaiian Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from Ontario to O'ahu.

What are the most popular airlines that fly from Ontario to O'ahu?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Ontario to O'ahu.

How far in advance should I book a flight from Ontario to O'ahu?

To save up to 9% on this flight, we recommend booking at least 43 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 O'ahu from $378 1-2 weeks out and tickets from $387 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to O'ahu?

February can be a great time to fly to O'ahu from Ontario with a flight ticket averaging about $365. Cheapflights users have found deals in the month of February for as cheap as $138. The most expensive prices can be found in the month of June.

What airport do you fly from for flights from Ontario to O'ahu?

If you book a flight to O'ahu from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

Can I find deals for flights from Ontario to O'ahu that include hotel bookings?

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

How can I find direct flights from Ontario to O'ahu?

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

Can I find deals for business class flights from Ontario to O'ahu?

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

$159+ Flights from Ontario to O'ahu - Compare & Save Big

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Cheap flight deals from Ontario to O'ahu

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$323 (Hawaiian Airlines)
One-way from	$159 (Hawaiian Airlines)
Popular in	June
Cheapest in	February
Average price	$366
Good round-trip deal	$415 or less
Good one-way deal	$219 or less

Provider with most accurate pricing for Los Angeles-Honolulu flight deals.

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Provider most trusted by Cheapflights users for Los Angeles-Honolulu flights.

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From Ontario to O'ahu

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One-way flight from Ontario to O'ahu

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($65 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Ontario to O'ahu.

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Price to beat on a one-way flight from Ontario to O'ahu.

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Find flight deals from Ontario to O'ahu

Cheapest flights from Ontario to O'ahu
Explore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

mar. 5/209:50 amONT - HNL

Nonstop5h 55mHawaiian Airlines

lun. 5/261:15 pmHNL - ONT

Nonstop5h 40mHawaiian Airlines

Deal found 4/27

$323

mar. 9/98:35 amONT - HNL

Nonstop6h 03mAlaska Airlines

vie. 9/1912:38 pmHNL - ONT

Nonstop5h 32mAlaska Airlines

Deal found 4/28

$331

mié. 9/107:00 amONT - HNL

1 stop15h 20mDelta

mar. 9/168:25 pmHNL - ONT

1 stop9h 41mDelta

Deal found 4/28

$337

dom. 5/116:00 amONT - HNL

2 stops13h 16mUnited Airlines

mar. 5/139:05 amHNL - ONT

1 stop8h 29mUnited Airlines

Deal found 4/27

$367

sáb. 5/310:00 amONT - HNL

1 stop10h 32mAmerican Airlines

sáb. 5/109:15 pmHNL - ONT

1 stop8h 39mAmerican Airlines

Deal found 4/28

$412

Best flights from Ontario to O'ahu
Discover carefully curated flight deals from Ontario to O'ahu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 29, 2025.

mar. 5/209:50 amONT - HNL

Nonstop5h 55mHawaiian Airlines

lun. 5/261:15 pmHNL - ONT

Nonstop5h 40mHawaiian Airlines

Deal found 4/27

$323

mar. 5/611:45 amONT - HNL

1 stop10h 34mDelta

mar. 5/1310:30 pmHNL - ONT

1 stop12h 45mDelta

Deal found 4/28

$337

sáb. 5/179:50 amONT - HNL

Nonstop5h 55mAlaska Airlines

mar. 5/201:15 pmHNL - ONT

Nonstop5h 40mAlaska Airlines

Deal found 4/26

$353

dom. 5/116:00 amONT - HNL

2 stops13h 16mUnited Airlines

mar. 5/139:05 amHNL - ONT

1 stop8h 29mUnited Airlines

Deal found 4/27

$367

sáb. 5/310:00 amONT - HNL

1 stop10h 32mAmerican Airlines

sáb. 5/109:15 pmHNL - ONT

1 stop8h 39mAmerican Airlines

Deal found 4/28

$412

jue. 5/15:45 amONT - HNL

2 stops13h 20mSouthwest

mar. 5/68:15 amHNL - ONT

1 stop10h 15mSouthwest

Deal found 4/27

$565

Last-minute flights from Ontario to O'ahu
Discover last-minute flight deals from Ontario to O'ahu. Data last updated abril 29, 2025 and is based on user searches.

jue. 5/15:45 amONT - HNL

2 stops13h 20mSouthwest

mar. 5/68:15 amHNL - ONT

1 stop10h 15mSouthwest

Deal found 4/27

$565

sáb. 5/310:00 amONT - HNL

1 stop10h 32mAmerican Airlines

sáb. 5/109:15 pmHNL - ONT

1 stop8h 39mAmerican Airlines

Deal found 4/28

$412

sáb. 5/35:30 amONT - HNL

2 stops13h 35mSouthwest

sáb. 5/109:05 pmHNL - ONT

2 stops12h 20mSouthwest

Deal found 4/28

$724

dom. 5/49:45 amONT - HNL

Nonstop6h 10mAlaska Airlines

dom. 5/119:35 pmHNL - ONT

1 stop10h 16mAlaska Airlines

Deal found 4/27

$358

dom. 5/49:45 amONT - HNL

Nonstop6h 10mMultiple Airlines

sáb. 5/101:20 pmHNL - ONT

Nonstop5h 30mMultiple Airlines

Deal found 4/27

$560

lun. 5/56:00 amONT - HNL

1 stop8h 59mUnited Airlines

dom. 5/117:00 amHNL - ONT

1 stop8h 01mUnited Airlines

Deal found 4/28

$467

mar. 5/611:45 amONT - HNL

1 stop10h 34mDelta

mar. 5/1310:30 pmHNL - ONT

1 stop12h 45mDelta

Deal found 4/28

$337

mar. 5/69:45 amONT - HNL

Nonstop6h 10mAlaska Airlines

mar. 5/131:20 pmHNL - ONT

Nonstop5h 30mAlaska Airlines

Deal found 4/28

$348

jue. 5/89:45 amONT - HNL

Nonstop6h 10mHawaiian Airlines

mar. 5/131:20 pmHNL - ONT

Nonstop5h 30mHawaiian Airlines

Deal found 4/27

$343

dom. 5/116:00 amONT - HNL

2 stops13h 16mUnited Airlines

mar. 5/139:05 amHNL - ONT

1 stop8h 29mUnited Airlines

Deal found 4/27

$367

mar. 5/209:50 amONT - HNL

Nonstop5h 55mHawaiian Airlines

lun. 5/261:15 pmHNL - ONT

Nonstop5h 40mHawaiian Airlines

Deal found 4/27

$323

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

vie. 5/99:45 amONT - HNL

Nonstop6h 10mHawaiian Airlines

Deal found 4/28

$159

dom. 5/259:50 amONT - HNL

Nonstop5h 55mAlaska Airlines

Deal found 4/28

$164

mar. 5/611:45 amONT - HNL

1 stop10h 34mDelta

Deal found 4/28

$169

dom. 5/46:00 amONT - HNL

1 stop8h 59mUnited Airlines

Deal found 4/27

$219

sáb. 5/310:00 amONT - HNL

1 stop10h 32mAmerican Airlines

Deal found 4/28

$244

jue. 7/178:20 amONT - HNL

1 stop10h 50mSouthwest

Deal found 4/28

$302

vie. 7/46:10 amONT - HNL

1 stop8h 50mMultiple Airlines

Deal found 4/27

$600

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mar. 5/6

11:45 am-7:19 pm

1 stop10h 34m

Honolulu

mar. 5/13

10:30 pm-2:15 pm

1 stop12h 45m

$337

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mar. 5/13

9:45 am-12:55 pm

Nonstop6h 10m

Honolulu

sáb. 5/17

1:15 pm-9:55 pm

Nonstop5h 40m

$338

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

vie. 5/9

9:45 am-12:55 pm

Nonstop6h 10m

Honolulu

lun. 5/12

9:35 pm-10:51 am

1 stop10h 16m

$358

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

lun. 5/12

3:10 pm-10:03 pm

1 stop9h 53m

Honolulu

lun. 5/19

9:40 pm-12:24 pm

2 stops11h 44m

$364

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

sáb. 5/3

10:00 am-5:32 pm

1 stop10h 32m

Honolulu

sáb. 5/10

9:15 pm-8:54 am

1 stop8h 39m

$412

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

sáb. 5/10

5:30 am-4:05 pm

2 stops13h 35m

Honolulu

mié. 5/21

8:15 am-9:30 pm

1 stop10h 15m

$565

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

vie. 5/9

9:45 am-12:55 pm

Nonstop6h 10m

$159

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mar. 5/6

11:45 am-7:19 pm

1 stop10h 34m

$169

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

jue. 6/12

9:50 am-12:45 pm

Nonstop5h 55m

$192

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mar. 5/6

6:00 am-11:59 am

1 stop8h 59m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 results

Best time to book a flight from Ontario to O'ahu

Have a flexible travel schedule? Discover the best time to fly to O'ahu 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 O'ahu

What is the cheapest month to book a flight from Ontario to O'ahu?

Currently, November is the cheapest month in which you can book a flight from Ontario to O'ahu (average of $469). Flying from Ontario to O'ahu in June is currently the most expensive (average of $687). 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 FUW?

When flying from Ontario to O'ahu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ontario to O'ahu

The most flights from ONT to zzFUW are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in O'ahu by month

In terms of precipitation, rainfall in O'ahu ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit O'ahu when rainfall is around 0.3 in.

Temperature in O'ahu by month

If weather is an important factor for your trip to O'ahu, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing O'ahu

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to O'ahu. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,949 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

9,949 reviews

Alaska Airlines

8.0

Very good

9,949 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

4,292 reviews

Alaska Airlines

8.0

Very good

9,949 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

9,949 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

2,402 reviews

Alaska Airlines

8.0

Very good

9,949 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

9,949 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 airport do you fly from for flights from Ontario to O'ahu?
If you book a flight to O'ahu from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
How popular is this Ontario to O'ahu flight route?
Flights from Ontario to O'ahu have been viewed 19 times in the past calendar month.
What are the cheapest airlines to fly from Ontario to O'ahu one-way?
To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $159. Alaska Airlines flights start at $164 while deals on Delta start at $169 one-way.
What are the most reliable airlines from Ontario to O'ahu?
Consider Alaska Airlines (85%), JetBlue (85%) or Hawaiian Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from Ontario to O'ahu.
What are the cheapest flights from Ontario to O'ahu?
On average you can expect to pay $389 for a flight from Ontario to O'ahu. The cheapest flight overall is $159 while the most popular route, (Ontario - Honolulu) is currently priced at $318.
Can I find deals for flights from Ontario to O'ahu that include hotel bookings?
Yes. In addition to deals on Ontario to O'ahu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to O'ahu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to O'ahu.
Can I find deals for business class flights from Ontario to O'ahu?
Yes. Cheapflights offers flight deals from Ontario to O'ahu 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 O'ahu?
Currently, November is the cheapest month in which you can book a flight from Ontario to O'ahu (average of $469). Flying from Ontario to O'ahu in June is currently the most expensive (average of $687). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Ontario to O'ahu

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$179	Average$356	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$239	Average$520	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$262	Average$446	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$296	Average$471	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$318	Average$628	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$397	Average$585	FlexibilityNo cancel fee	On-time63%

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$159+ Cheap flights from Ontario (ONT) to O'ahu

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to O'ahu with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to O'ahu

Keep the following information in mind while searching for Ontario to O'ahu flight deals. Data was last updated abril 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ontario to O'ahu

Cheapest flights from Ontario to O'ahuExplore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

Explore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to O'ahu

Have a flexible travel schedule? Discover the best time to fly to O'ahu from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to O'ahu

What is the cheapest month to book a flight from Ontario to O'ahu?

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

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

Weekly flight availability from Ontario to O'ahu

Explore weekly flight availability from Ontario to O'ahu. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 29, 2025.

Rainfall in O'ahu by month

Plan your trip to O'ahu by taking into account the average rainfall totals by month.

Temperature in O'ahu by month

Plan your trip to O'ahu by taking into account the average temperature totals by month.

Reviews of airlines servicing O'ahu

Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated abril 29, 2025.

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to O'ahu. In addition to providing an overall rating, 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 O'ahu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ontario to O'ahu?

How popular is this Ontario to O'ahu flight route?

What are the cheapest airlines to fly from Ontario to O'ahu one-way?

What are the most reliable airlines from Ontario to O'ahu?

What are the cheapest flights from Ontario to O'ahu?

Can I find deals for flights from Ontario to O'ahu that include hotel bookings?

How can I find direct flights from Ontario to O'ahu?

Can I find deals for business class flights from Ontario to O'ahu?

What is the cheapest month to book a flight from Ontario to O'ahu?

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 for Ontario to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to O'ahu

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Cheapest flights from Ontario to O'ahu
Explore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.