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Galveston

$96+ Cheap flights from Ontario (ONT) to Galveston, TX

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HOU
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Find cheap flights from Ontario to Galveston with Cheapflights

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Cheapflights Tip: The best prices from Ontario to Galveston are usually found in October or August, booked 24 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Ontario to Galveston

Keep the following information in mind while searching for Ontario to Galveston flight deals. Data was last updated July 30, 2025.

Round-trip from

$191
(Southwest)

One-way from

$96
(Southwest)

Popular in

February

Cheapest in

October

Average price

$276
From Ontario to Galveston
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One-way flight from Ontario to Galveston
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Highest demand for flights based on searches. 6% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 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 Ontario to Galveston

Cheapest flights from Ontario to Galveston
Explore the most affordable flight options available from Ontario to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Southwest deal was found by Cheapflights users on 7/29. 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 9/266:20 amONT - HOU
Nonstop3h 10mSouthwest
Thu 10/21:40 pmHOU - ONT
Nonstop3h 15mSouthwest
Deal found 7/29$191
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/410:53 amONT - HOU
1 stop5h 17mAmerican Airlines
Sun 9/76:00 amHOU - ONT
1 stop6h 05mAmerican Airlines
Deal found 7/28$209
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 8/1810:00 pmONT - HOU
1 stop9h 26mDelta
Wed 8/201:05 pmHOU - ONT
2 stops12h 35mDelta
Deal found 7/28$262

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Galveston 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 30, 2025.
Use the filters below to find and compare flights from Ontario to Galveston that are best for you.

Fly from

Ontario

Fly to

Galveston

Route

Depart

Return

Price

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 9/26

6:20 am-11:30 am

Nonstop3h 10m

Houston Hobby

Thu 10/2

1:40 pm-2:55 pm

Nonstop3h 15m

$191

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 9/4

10:53 am-6:10 pm

1 stop5h 17m

Houston Hobby

Sun 9/7

6:00 am-10:05 am

1 stop6h 05m

$209

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 8/18

10:00 pm-9:26 am

1 stop9h 26m

Houston Hobby

Wed 8/20

1:05 pm-11:40 pm

2 stops12h 35m

$262

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 10/27

12:55 pm-5:55 pm

Nonstop3h 00m

$96

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 10/28

11:59 pm-9:42 am

1 stop7h 43m

$105

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 9/26

11:55 am-10:37 pm

1 stop8h 42m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Ontario to Galveston

Have a flexible travel schedule? Discover the best time to fly to Galveston 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 Galveston

How far ahead should I book a flight from Ontario to Galveston?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Galveston. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Galveston, you should look to book at least 24 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Galveston (average of $230). Flying from Ontario to Galveston in March is currently the most expensive (average of $331). 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 G4L?

Find hourly flight availability from Ontario to Galveston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Galveston. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Galveston

Get insights into the airlines that provide service to Galveston. 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 Galveston. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Ontario to Galveston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,980 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Galveston. 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 Galveston?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Galveston. You should not have trouble finding flights to Galveston from Ontario; the airport handles an average of 0 outbound flights to Galveston per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Ontario airport to Galveston. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Ontario to Galveston for a low price.

  • What are the cheapest flights from Ontario to Galveston?

    The cheapest flight price from Ontario to Galveston is $162. On average you can expect to pay $288. The most popular route, (Ontario - Houston Hobby), can usually be booked for $96.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Galveston 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 Galveston?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Galveston (average of $230). Flying from Ontario to Galveston in March is currently the most expensive (average of $331). 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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Alternative routes for Ontario to Galveston

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Top 6 airlines flying from Ontario to Galveston

Discover the top 6 airlines that operate flights from Ontario to Galveston. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$62Average$154FlexibilityNo cancel feeOn-time65%
FrontierCheapest$78Average$178FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$233FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$395FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$188Average$385FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$218Average$392FlexibilityNo cancel feeOn-time63%

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