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 United Airlines and American Airlines, as they are both options that can get you from Ontario to Galveston for a low price.

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.

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).

What are the cheapest flights from Ontario to Galveston?

The cheapest flight price from Ontario to Galveston is $176. On average you can expect to pay $360. The most popular route, (Ontario - Houston Hobby), can usually be booked for $198.

What are the most popular airlines that fly from Ontario to Galveston?

Consider Frontier, Southwest or United Airlines when booking your flight. These represent the most popular airlines when flying from Ontario to Galveston.

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.

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.

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Cheapflights Tip: The best prices from Ontario to Galveston are usually found in September or December, booked 60 days in advance, depart on a Friday or Thursday and return on a Thursday

Find flight deals from Ontario to Galveston

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Popular in	March
Cheapest in	September
Average price	$319

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Highest demand for flights based on searches. 11% potential increase in price ($40 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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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?

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 43% on airfare.

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

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

Peruse reviews from past customers who have flown with Southwest,United Airlines, andJetBlue 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

7.9

Good

4,216 reviews

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

7.9

Good

4,216 reviews

Southwest

7.9

Good

4,216 reviews

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

10,284 reviews

Southwest

7.9

Good

4,216 reviews

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

JetBlue

7.1

Good

3,044 reviews

Southwest

7.9

Good

4,216 reviews

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

7.0

Good

12,135 reviews

Southwest

7.9

Good

4,216 reviews

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

2,557 reviews

Southwest

7.9

Good

4,216 reviews

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

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 Frontier, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from United Airlines 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 $176. On average you can expect to pay $360. The most popular route, (Ontario - Houston Hobby), can usually be booked for $198.
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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Top 6 airlines flying from Ontario to Galveston

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$98	Average$250	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$127	Average$209	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$177	Average$389	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$186	Average$408	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$234	Average$356	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$235	Average$384	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Ontario (ONT) to Galveston, TX

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Find flight deals from Ontario to Galveston

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Cheapflights Insights

What is the cheapest time of day to fly from ONT to G4L?

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 43% on airfare.

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

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

Peruse reviews from past customers who have flown with Southwest,United Airlines, andJetBlue 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.

Related info for your journey

What airport do you fly from for flights from Ontario to Galveston?

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

What are the cheapest flights from Ontario to Galveston?

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

How can I find direct flights from Ontario to Galveston?

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

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 Galveston

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

Complete your trip

Complete your trip to Galveston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Ontario to Galveston by cabin class

Find flights from Ontario to Galveston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Galveston flights

Browse other Ontario and Galveston flight options. Last updated on October 4, 2026.

Other flights from Ontario

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Top 6 airlines flying from Ontario to Galveston

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