What airlines fly to Ontario?

Spirit Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Gulfport according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Gulfport Biloxi Regional Airport to Ontario Airport?

Prices for flights from Gulfport Biloxi Regional Airport to Ontario Airport were last updated today.

How many operators does momondo search for flights from Gulfport Biloxi Regional Airport to Ontario Airport?

As of December 2025, there are 2 operators available to choose from for flights from Gulfport Biloxi Regional Airport to Ontario Airport.

How old do you have to be to fly from Gulfport Biloxi Regional Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Gulfport Biloxi Regional Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$309 Cheap Flights from Gulfport to Ontario in 2025/26

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5:31 am - 10:08 am

GPT

ONT

6h 37m1 stop

3:09 pm - 11:59 pm

ONT

GPT

6h 50m1 stop

$309American Airlines

Sun, Jan 11 - Sat, Jan 17

5:31 am - 10:08 am

GPT

ONT

6h 37m1 stop

9:59 am - 11:59 pm

ONT

GPT

12h 00m2 stops

$314American Airlines

Sun, Jan 11 - Sat, Jan 17

4:55 pm - 9:59 pm

GPT

ONT

7h 04m1 stop

6:00 am - 4:01 pm

ONT

GPT

8h 01m1 stop

$399United Airlines

Sat, Feb 14 - Sat, Feb 21

5:13 pm - 9:58 pm

GPT

ONT

6h 45m1 stop

5:05 am - 7:48 pm

ONT

GPT

12h 43m2 stops

$470United Airlines

Fri, Jan 30 - Tue, Feb 3

5:13 pm - 9:58 pm

GPT

ONT

6h 45m1 stop

5:05 am - 7:48 pm

ONT

GPT

12h 43m2 stops

$474United Airlines

Fri, Jan 30 - Tue, Feb 3

5:31 am - 4:05 pm

GPT

ONT

12h 34m2 stops

12:57 pm - 11:59 pm

ONT

GPT

9h 02m2 stops

$476American Airlines

Sun, Jan 11 - Sat, Jan 17

4:55 pm - 12:43 pm

GPT

ONT

21h 48m2 stops

6:00 am - 4:01 pm

ONT

GPT

8h 01m1 stop

$498United Airlines

Sat, Feb 14 - Sat, Feb 21

5:13 pm - 9:58 pm

GPT

ONT

6h 45m1 stop

8:00 am - 7:48 pm

ONT

GPT

9h 48m1 stop

$525United Airlines

Fri, Jan 30 - Tue, Feb 3

1:57 pm - 10:53 pm

GPT

ONT

10h 56m2 stops

5:05 am - 7:48 pm

ONT

GPT

12h 43m2 stops

$549United Airlines

Fri, Jan 30 - Tue, Feb 3

5:13 pm - 8:58 pm

GPT

ONT

29h 45m2 stops

5:05 am - 7:48 pm

ONT

GPT

12h 43m2 stops

$571United Airlines

Fri, Jan 30 - Tue, Feb 3

American Airlines flights from Gulfport to Ontario

Our best American Airlines deals on Gulfport to Ontario flight tickets

American Airlines

Jan 11

GPT5:31 amGulfport Biloxi Regional

6h 37m

1 stop

ONT10:08 amOntario

Jan 17

ONT3:09 pmOntario

6h 50m

1 stop

GPT11:59 pmGulfport Biloxi Regional

$309

Find similar

American Airlines

Jan 11

GPT5:31 amGulfport Biloxi Regional

6h 37m

1 stop

ONT10:08 amOntario

Jan 17

ONT9:59 amOntario

12h 00m

2 stops

GPT11:59 pmGulfport Biloxi Regional

$314

Find similar

American Airlines

Jan 11

GPT5:31 amGulfport Biloxi Regional

12h 34m

2 stops

ONT4:05 pmOntario

Jan 17

ONT12:57 pmOntario

9h 02m

2 stops

GPT11:59 pmGulfport Biloxi Regional

$476

Find similar

United Airlines flights from Gulfport to Ontario

Our best United Airlines deals on Gulfport to Ontario flight tickets

United Airlines

Feb 14

GPT4:55 pmGulfport Biloxi Regional

7h 04m

1 stop

ONT9:59 pmOntario

Feb 21

ONT6:00 amOntario

8h 01m

1 stop

GPT4:01 pmGulfport Biloxi Regional

$399

Find similar

United Airlines

Jan 30

GPT5:13 pmGulfport Biloxi Regional

6h 45m

1 stop

ONT9:58 pmOntario

Feb 3

ONT5:05 amOntario

12h 43m

2 stops

GPT7:48 pmGulfport Biloxi Regional

$470

Find similar

United Airlines

Jan 30

GPT5:13 pmGulfport Biloxi Regional

6h 45m

1 stop

ONT9:58 pmOntario

Feb 3

ONT5:05 amOntario

12h 43m

2 stops

GPT7:48 pmGulfport Biloxi Regional

$474

Find similar

Fly from

Fly to

Route

Depart

Return

Price

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 1/11

5:31 am-10:08 am

1 stop6h 37m

Ontario

Sat 1/17

3:09 pm-11:59 pm

1 stop6h 50m

$309

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 1/11

5:31 am-10:08 am

1 stop6h 37m

Ontario

Sat 1/17

9:59 am-11:59 pm

2 stops12h 00m

$314

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sat 2/14

4:55 pm-9:59 pm

1 stop7h 04m

Ontario

Sat 2/21

6:00 am-4:01 pm

1 stop8h 01m

$399

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 1/30

5:13 pm-9:58 pm

1 stop6h 45m

Ontario

Tue 2/3

5:05 am-7:48 pm

2 stops12h 43m

$470

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 1/30

5:13 pm-9:58 pm

1 stop6h 45m

Ontario

Tue 2/3

5:05 am-7:48 pm

2 stops12h 43m

$474

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sun 1/11

5:31 am-4:05 pm

2 stops12h 34m

Ontario

Sat 1/17

12:57 pm-11:59 pm

2 stops9h 02m

$476

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Sat 2/14

4:55 pm-12:43 pm

2 stops21h 48m

Ontario

Sat 2/21

6:00 am-4:01 pm

1 stop8h 01m

$498

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 1/30

5:13 pm-9:58 pm

1 stop6h 45m

Ontario

Tue 2/3

8:00 am-7:48 pm

1 stop9h 48m

$525

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 1/30

1:57 pm-10:53 pm

2 stops10h 56m

Ontario

Tue 2/3

5:05 am-7:48 pm

2 stops12h 43m

$549

GulfportOntario

GPT - ONT

GPTONT

Gulfport Biloxi Regional

Fri 1/30

5:13 pm-8:58 pm

2 stops29h 45m

Ontario

Tue 2/3

5:05 am-7:48 pm

2 stops12h 43m

$571

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Gulfport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $383. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Gulfport to Ontario for around $529.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Gulfport to Ontario when you can find flight prices for as low as $418. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $505 on average. Flights to Ontario from Gulfport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Gulfport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Gulfport to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Gulfport to Ontario (GPT to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Gulfport to Ontario

Fastest flight time	6h 37m
Direct flights	None

The fastest flight from Gulfport to Ontario takes 6h 37m

There are no direct flights from Gulfport to Ontario. There are no popular flight routes from Gulfport to Ontario.

Search flight deals

How far is Gulfport Biloxi Regional to Ontario by plane?
A flight from Gulfport Biloxi Regional to Ontario will travel around 1682.1 mi. In terms of flight time, this usually takes a little over 6h 37m.
When did momondo last update prices for flights from Gulfport Biloxi Regional Airport to Ontario Airport?
Prices for flights from Gulfport Biloxi Regional Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from Gulfport Biloxi Regional Airport to Ontario Airport?
As of December 2025, there are 2 operators available to choose from for flights from Gulfport Biloxi Regional Airport to Ontario Airport.
How old do you have to be to fly from Gulfport Biloxi Regional Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Gulfport Biloxi Regional Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Gulfport to Ontario?
Based on momondo bookings for flights between Gulfport and Ontario, the leading airline is American Airlines, making up 62% of the total bookings. Other popular airlines include United Airlines with 38%.

Best airlines flying from Gulfport to Ontario

Compare and see reviews for airlines that fly from Gulfport to Ontario with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 11,054 reviews		Search American Airlines flights
United Airlines	PriceFrom $340	Free Cancellation	Rating 7.4 9,091 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Gulfport to Ontario?

Finding the right flight to Ontario from Gulfport is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Gulfport to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Gulfport to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Gulfport to Ontario?

Once you have performed a search for Gulfport to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Gulfport to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Gulfport and alert you when they change.