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Galveston

$87+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HOU
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Galveston are usually found in March or April, booked 25 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 November 19, 2025.

This Southwest deal was found by Cheapflights users on 11/19. 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 12/112:50 pmONT - HOU
1 stop5h 20mSouthwest
Mon 12/155:45 pmHOU - ONT
Nonstop3h 30mSouthwest
Deal found 11/19$215
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/42:56 pmONT - HOU
1 stop7h 02mAmerican Airlines
Wed 12/109:02 amHOU - ONT
1 stop6h 53mAmerican Airlines
Deal found 11/19$235
This Delta deal was found by Cheapflights users on 11/17. 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.
Fri 12/57:05 amONT - HOU
1 stop8h 47mDelta
Mon 12/82:32 pmHOU - ONT
1 stop10h 32mDelta
Deal found 11/17$250
This Delta deal was found by Cheapflights users on 11/17. 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.
Sat 12/612:12 pmONT - HOU
1 stop8h 21mDelta
Mon 12/82:32 pmHOU - ONT
1 stop10h 32mDelta
Deal found 11/17$251
This Delta deal was found by Cheapflights users on 11/17. 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.
Wed 12/1012:12 pmONT - HOU
1 stop8h 36mDelta
Thu 12/116:00 amHOU - ONT
2 stops12h 09mDelta
Deal found 11/17$252
This Delta deal was found by Cheapflights users on 11/18. 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.
Thu 12/412:12 pmONT - HOU
1 stop8h 36mDelta
Tue 12/96:00 amHOU - ONT
2 stops12h 09mDelta
Deal found 11/18$255
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/1111:59 pmONT - HOU
1 stop6h 33mAmerican Airlines
Mon 12/156:36 pmHOU - ONT
1 stop5h 52mAmerican Airlines
Deal found 11/17$259
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/1111:59 pmONT - HOU
1 stop6h 33mAmerican Airlines
Thu 12/188:20 pmHOU - ONT
1 stop5h 26mAmerican Airlines
Deal found 11/17$270

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 November 19, 2025.

Round-trip from

$215
(Southwest)

One-way from

$87
(Southwest)

Popular in

November

Cheapest in

March

Average price

$315
From Ontario to Galveston
Search Deals
One-way flight from Ontario to Galveston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 19, 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

Thu 12/4

2:56 pm-11:58 pm

1 stop7h 02m

Houston Hobby

Wed 12/10

9:02 am-1:55 pm

1 stop6h 53m

$235

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 12/4

12:12 pm-10:48 pm

1 stop8h 36m

Houston Hobby

Tue 12/9

6:00 am-4:09 pm

2 stops12h 09m

$255

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 12/3

10:25 pm-9:34 am

1 stop9h 09m

Houston Hobby

Mon 12/8

2:32 pm-11:04 pm

1 stop10h 32m

$280

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Fri 12/5

12:12 pm-10:48 pm

1 stop8h 36m

Houston Hobby

Mon 12/8

2:32 pm-11:04 pm

1 stop10h 32m

$280

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 12/4

10:25 pm-9:34 am

1 stop9h 09m

Houston Hobby

Mon 12/8

2:32 pm-11:04 pm

1 stop10h 32m

$283

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sun 12/7

10:25 pm-9:34 am

1 stop9h 09m

Houston Hobby

Wed 12/10

2:32 pm-11:04 pm

1 stop10h 32m

$318

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 12/13

12:12 pm-10:33 pm

1 stop8h 21m

Houston Hobby

Sun 12/14

2:32 pm-11:04 pm

1 stop10h 32m

$318

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 12/11

3:30 pm-10:05 pm

1 stop4h 35m

Houston Hobby

Mon 12/15

1:40 pm-7:15 pm

2 stops7h 35m

$325

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 12/16

5:25 am-10:25 am

Nonstop3h 00m

Houston Hobby

Tue 12/23

6:30 pm-10:20 pm

1 stop5h 50m

$343

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 12/9

5:25 am-10:25 am

Nonstop3h 00m

Houston Hobby

Sat 12/13

8:35 am-10:05 am

Nonstop3h 30m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 18 results
1
2

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 November 14, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Galveston, you should look to book at least 25 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, January is the cheapest month in which you can book a flight from Ontario to Galveston (average of $58). Flying from Ontario to Galveston in August is currently the most expensive (average of $100). 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 November 19, 2025.

One of the essential ways to save on airfare from Ontario to Galveston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 55% on airfare.

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 Thursday at noon when fares are most often at their lowest. Sunday mornings 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 November 19, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, 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
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,025 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,046 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,153 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,106 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 5 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.

  • How long is the flight from Ontario to Galveston?

    There are many flights that can get you from Ontario to Galveston in 7h 02m. Fly via American Airlines or Delta to get the fastest option. The distance between Ontario and Galveston is about 1341 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest flights from Ontario to Galveston?

    The cheapest flight price from Ontario to Galveston is $147. On average you can expect to pay $336. The most popular route, (Ontario - Houston Hobby), can usually be booked for $72.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Galveston (average of $58). Flying from Ontario to Galveston in August is currently the most expensive (average of $100). 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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Alternative routes for Ontario to Galveston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Galveston

Discover the top 5 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$86Average$165FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$170Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$188Average$376FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$391FlexibilityNo cancel feeOn-time63%

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