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Galveston

$194+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Galveston are usually found in October or September, booked 88 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 June 12, 2025.

Round-trip from

$217
(Southwest)

One-way from

$194
(Southwest)

Popular in

February

Cheapest in

October

Average price

$235
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 ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/10. 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 8/296:20 amONT - HOU
Nonstop3h 10mSouthwest
Mon 9/17:50 amHOU - ONT
Nonstop3h 15mSouthwest
Deal found 6/10$217
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/2112:47 pmONT - HOU
1 stop5h 08mAmerican Airlines
Mon 8/256:00 amHOU - ONT
1 stop5h 58mAmerican Airlines
Deal found 6/11$237
This Delta deal was found by Cheapflights users on 6/10. 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 8/2110:00 pmONT - HOU
1 stop9h 45mDelta
Mon 8/251:05 pmHOU - ONT
2 stops11h 35mDelta
Deal found 6/10$242

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 June 12, 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 8/29

6:20 am-11:30 am

Nonstop3h 10m

Houston Hobby

Mon 9/1

7:50 am-9:05 am

Nonstop3h 15m

$217

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 8/21

12:47 pm-7:55 pm

1 stop5h 08m

Houston Hobby

Mon 8/25

6:00 am-9:58 am

1 stop5h 58m

$237

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 8/21

10:00 pm-9:45 am

1 stop9h 45m

Houston Hobby

Mon 8/25

1:05 pm-10:40 pm

2 stops11h 35m

$242

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Mon 8/18

8:35 am-5:55 pm

2 stops7h 20m

$194

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 7/31

10:53 am-7:53 pm

1 stop7h 00m

$205

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 7/9

10:05 pm-9:17 am

1 stop9h 12m

$270

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 6/19

12:59 am-5:30 pm

2 stops14h 31m

$484

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Tue 9/9

6:00 am-6:04 pm

2 stops10h 04m

$2,762

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Galveston, you should look to book at least 88 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 $332). 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 June 12, 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 June 30, 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.

Rainfall in Galveston by month

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

In terms of precipitation, rainfall in Galveston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Galveston when rainfall is around 3.2 in.

Temperature in Galveston by month

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

If weather is an important factor for your trip to Galveston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Ontario to Galveston by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

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 $194. 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 $140. On average you can expect to pay $315. The most popular route, (Ontario - Houston Hobby), can usually be booked for $208.

  • 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 $332). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$159FlexibilityNo cancel feeOn-time65%
FrontierCheapest$77Average$174FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$401FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$258Average$394FlexibilityNo cancel feeOn-time63%

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