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Galveston

$103+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HOU
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 September, booked 60 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap 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 28, 2026.

This Southwest deal was found by Cheapflights users on 7/24. 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.
Sat 8/2211:55 am
ONT
-
HOU
Nonstop3h 05m
Southwest
Tue 8/258:50 pm
HOU
-
ONT
Nonstop3h 15m
Southwest
Deal found 7/24$205
This Southwest deal was found by Cheapflights users on 7/24. 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 8/132:40 pm
ONT
-
HOU
1 stop5h 45m
Southwest
Mon 8/178:05 am
HOU
-
ONT
Nonstop3h 10m
Southwest
Deal found 7/24$215
This Southwest deal was found by Cheapflights users on 7/24. 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.
Sat 8/1511:55 am
ONT
-
HOU
Nonstop3h 05m
Southwest
Mon 8/178:05 am
HOU
-
ONT
Nonstop3h 10m
Southwest
Deal found 7/24$220
This Southwest deal was found by Cheapflights users on 7/27. 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.
Sat 8/2211:55 am
ONT
-
HOU
Nonstop3h 05m
Southwest
Mon 8/248:05 am
HOU
-
ONT
Nonstop3h 10m
Southwest
Deal found 7/27$235
This Southwest deal was found by Cheapflights users on 7/25. 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 9/1111:00 am
ONT
-
HOU
Nonstop3h 05m
Southwest
Mon 9/148:05 am
HOU
-
ONT
Nonstop3h 10m
Southwest
Deal found 7/25$240
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:50 pm
ONT
-
HOU
1 stop5h 10m
Southwest
Sat 8/228:25 am
HOU
-
ONT
Nonstop3h 10m
Southwest
Deal found 7/28$245
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:15 am
ONT
-
HOU
2 stops6h 40m
Southwest
Mon 8/318:05 am
HOU
-
ONT
Nonstop3h 10m
Southwest
Deal found 7/28$250

Find 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 28, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$205
(Southwest)

One-way from

$103
(Southwest)

Popular in

March

Cheapest in

October

Average price

$354
Provider with most accurate pricing for Los Angeles-Houston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Houston flights.
Search Deals
From Ontario to Galveston
Search Deals
One-way flight from Ontario to Galveston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 28, 2026.
Use the filters below to find and compare flights from Ontario to Galveston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 9/2

12:30 pm-5:35 pm

Nonstop3h 05m

Houston Hobby

Mon 9/7

8:05 am-9:15 am

Nonstop3h 10m

$205

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 9/10

11:00 am-4:05 pm

Nonstop3h 05m

Houston Hobby

Mon 9/14

8:05 am-9:15 am

Nonstop3h 10m

$235

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 8/17

5:45 pm-1:15 am

1 stop5h 30m

Houston Hobby

Thu 8/20

8:05 am-9:15 am

Nonstop3h 10m

$245

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 8/27

11:00 am-4:05 pm

Nonstop3h 05m

Houston Hobby

Sat 8/29

2:40 pm-8:05 pm

2 stops7h 25m

$250

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 9/5

10:15 am-6:50 pm

2 stops6h 35m

Houston Hobby

Mon 9/7

8:05 am-12:10 pm

1 stop6h 05m

$319

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 11/14

12:00 pm-5:00 pm

Nonstop3h 00m

Houston Hobby

Sun 11/15

7:50 am-9:15 am

Nonstop3h 25m

$342

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 10/21

5:40 am-2:45 pm

2 stops7h 05m

Houston Hobby

Sun 10/25

9:35 pm-10:55 pm

Nonstop3h 20m

$357
Cheapest one-way

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 9/14

2:00 pm-12:20 am

1 stop8h 20m

$113

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 8/26

12:00 pm-10:05 pm

1 stop8h 05m

$128

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 9/23

12:19 pm-10:39 pm

1 stop8h 20m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 17 resultsSorted by cheapest first
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

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 28, 2026.

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 40% on airfare.

How much does it cost to fly round-trip from Ontario to Galveston?

Airfare is below average for this route at the moment.
Ontario to Galveston flights typically cost between $234 and $367 in August.
The cheapest round-trip price found within the last 5 days was $205 on Southwest (Aug 22-Aug 25).

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 July 25, 2026.

Travelers seeking maximum savings on their Ontario to Galveston flight should consider departing on Saturday evenings 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 July 28, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican 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
4,229 reviews

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
10,047 reviews
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
7.1
Good
11,847 reviews
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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
5.6
Fair
2,753 reviews
Southwest
8.0
Very good
4,229 reviews

Boarding

8.1

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

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 4 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 3h 05m. Fly via Southwest to get the fastest option. The distance between Ontario and Galveston is about 1341 mi. Generally, flights for this route are nonstop.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Southwest and American Airlines, 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 $345. The most popular route, (Ontario - Houston Hobby), can usually be booked for $146.

  • 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.

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 4 airlines flying from Ontario to Galveston

Discover the top 4 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$88Average$236FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$177Average$385FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$186Average$408FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$242Average$389FlexibilityNo cancel feeOn-time63%

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