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Cheap flights from Saint Thomas Island to Los Angeles from $310

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to Los Angeles departing on 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Multiple Airlines Logo
STT
-
ONT
3396 mimulti-stop
Multiple Airlines Logo
ONT
-
STT
3396 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Ontario 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Tue 3/24

1:55 pm-9:00 pm

1 stop10h 05m

$310

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Thu 4/2

3:40 pm-8:51 am

2 stops20h 11m

$317

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Mon 3/23

2:35 pm-10:36 pm

1 stop11h 01m

$355

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Thu 4/30

1:22 pm-9:00 pm

1 stop10h 38m

$362

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Mon 4/27

1:15 pm-9:07 pm

1 stop10h 52m

$365

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Tue 4/28

5:05 pm-10:09 am

2 stops20h 04m

$371

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Mon 5/4

4:45 pm-5:52 pm

2 stops28h 07m

$405

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Thu 4/2

2:43 pm-11:59 pm

1 stop12h 16m

$413

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Mon 5/4

4:45 pm-5:52 pm

3 stops28h 07m

$424

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 5/2

1:22 pm-9:58 pm

1 stop11h 36m

$457

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Saint Thomas Island 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

What is the cheapest airline that flies from Saint Thomas Island Cyril E King to Ontario?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Saint Thomas Island Cyril E King to Ontario

When to book flights from Saint Thomas Island to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint Thomas Island to Ontario (STT to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint Thomas Island to Ontario

Fastest flight time

11h 15m

Direct flights

None
The fastest flight from Saint Thomas Island to Ontario takes 11h 15m
There are no direct flights from Saint Thomas Island to Ontario. There are no popular flight routes from Saint Thomas Island to Ontario.
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  • How far is Saint Thomas Island Cyril E King to Ontario by plane?

    There are 3401.6 mi between Saint Thomas Island Cyril E King and Ontario. 11h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to Ontario Airport?

    Prices for flights from Saint Thomas Island Cyril E King Airport to Ontario Airport were last updated today.

  • How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint Thomas Island Cyril E King Airport to Ontario Airport.

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

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Saint Thomas Island to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Saint Thomas Island to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Saint Thomas Island to Ontario with flexible booking policies on momondo?

All flight searches from Saint Thomas Island to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Saint Thomas Island to Ontario?

momondo helps you find the best flight between Saint Thomas Island and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ontario from Saint Thomas Island are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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