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Cheap flights from Saint Thomas Island to Los Angeles from $230

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 4/18. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Saint Thomas Island to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:33 pm - 10:33 pm
STT
-
ONT
11h 00m
1 stop
American Airlines Logo
7:14 pm - 4:00 pm
ONT
-
STT
17h 46m
2 stops
$619American Airlines
Sat, Jul 4 - Sun, Jul 12
American Airlines Logo
2:33 pm - 10:33 pm
STT
-
ONT
11h 00m
1 stop
American Airlines Logo
10:10 pm - 1:48 pm
ONT
-
STT
12h 38m
1 stop
$649American Airlines
Sat, Jul 4 - Sun, Jul 12
American Airlines Logo
12:47 pm - 10:33 pm
STT
-
ONT
12h 46m
2 stops
American Airlines Logo
7:14 pm - 1:48 pm
ONT
-
STT
15h 34m
2 stops
$670American Airlines
Sat, Jul 4 - Sun, Jul 12
American Airlines Logo
3:36 pm - 10:34 pm
STT
-
ONT
9h 58m
1 stop
American Airlines Logo
10:10 pm - 1:48 pm
ONT
-
STT
12h 38m
1 stop
$700American Airlines
Sat, Jul 4 - Sun, Jul 12
United Airlines Logo
4:45 pm - 12:47 pm
STT
-
ONT
23h 02m
2 stops
United Airlines Logo
1:18 pm - 12:20 pm
ONT
-
STT
20h 02m
2 stops
$1,019United Airlines
Wed, Jun 3 - Tue, Jun 9
United Airlines Logo
4:00 pm - 12:47 pm
STT
-
ONT
23h 47m
2 stops
United Airlines Logo
1:50 pm - 12:20 pm
ONT
-
STT
43h 30m
3 stops
$1,465United Airlines
Sat, Jul 4 - Sun, Jul 12
United Airlines Logo
4:00 pm - 8:42 pm
STT
-
ONT
55h 42m
2 stops
United Airlines Logo
5:00 am - 12:20 pm
ONT
-
STT
28h 20m
3 stops
$1,478United Airlines
Sat, Jul 4 - Sun, Jul 12
United Airlines Logo
4:45 pm - 10:51 pm
STT
-
ONT
33h 06m
2 stops
United Airlines Logo
1:50 pm - 12:20 pm
ONT
-
STT
43h 30m
3 stops
$1,499United Airlines
Sat, Jul 4 - Sun, Jul 12

United Airlines flights from Saint Thomas Island to Ontario

Our best United Airlines deals on Saint Thomas Island to Ontario flight tickets
United Airlines
Jun 3
STT4:45 pmSaint Thomas Island Cyril E King
23h 02m
2 stops
ONT12:47 pmOntario
Jun 9
ONT1:18 pmOntario
20h 02m
2 stops
STT12:20 pmSaint Thomas Island Cyril E King
$1,019
United Airlines
Jul 4
STT4:00 pmSaint Thomas Island Cyril E King
23h 47m
2 stops
ONT12:47 pmOntario
Jul 12
ONT1:50 pmOntario
43h 30m
3 stops
STT12:20 pmSaint Thomas Island Cyril E King
$1,465
United Airlines
Jul 4
STT4:00 pmSaint Thomas Island Cyril E King
55h 42m
2 stops
ONT8:42 pmOntario
Jul 12
ONT5:00 amOntario
28h 20m
3 stops
STT12:20 pmSaint Thomas Island Cyril E King
$1,478

Delta flights from Saint Thomas Island to Ontario

Our best Delta deals on Saint Thomas Island to Ontario flight tickets
Delta
Apr 2
STT1:55 pmSaint Thomas Island Cyril E King
10h 05m
1 stop
ONT9:00 pmOntario
Apr 7
ONT10:25 pmOntario
12h 22m
1 stop
STT1:47 pmSaint Thomas Island Cyril E King
$755
Delta
Apr 2
STT12:49 pmSaint Thomas Island Cyril E King
11h 11m
1 stop
ONT9:00 pmOntario
Apr 6
ONT10:25 pmOntario
13h 23m
1 stop
STT2:48 pmSaint Thomas Island Cyril E King
$790
Delta
Apr 3
STT12:49 pmSaint Thomas Island Cyril E King
11h 11m
1 stop
ONT9:00 pmOntario
Apr 7
ONT10:25 pmOntario
10h 13m
1 stop
STT11:38 amSaint Thomas Island Cyril E King
$981

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 March 28, 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

Cheapest round-trip

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

2:33 pm-10:33 pm

1 stop11h 00m

Ontario

Sun 7/12

7:14 pm-4:00 pm

2 stops17h 46m

$619

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

2:33 pm-10:33 pm

1 stop11h 00m

Ontario

Sun 7/12

10:10 pm-1:48 pm

1 stop12h 38m

$649

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

12:47 pm-10:33 pm

2 stops12h 46m

Ontario

Sun 7/12

7:14 pm-1:48 pm

2 stops15h 34m

$670
Quickest round-trip

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

3:36 pm-10:34 pm

1 stop9h 58m

Ontario

Sun 7/12

10:10 pm-1:48 pm

1 stop12h 38m

$700

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Wed 6/3

4:45 pm-12:47 pm

2 stops23h 02m

Ontario

Tue 6/9

1:18 pm-12:20 pm

2 stops20h 02m

$1,019

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

4:00 pm-12:47 pm

2 stops23h 47m

Ontario

Sun 7/12

1:50 pm-12:20 pm

3 stops43h 30m

$1,465

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

4:00 pm-8:42 pm

2 stops55h 42m

Ontario

Sun 7/12

5:00 am-12:20 pm

3 stops28h 20m

$1,478

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 7/4

4:45 pm-10:51 pm

2 stops33h 06m

Ontario

Sun 7/12

1:50 pm-12:20 pm

3 stops43h 30m

$1,499
Cheapest one-way

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 4/18

10:49 am-8:24 am

2 stops24h 35m

$230

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Sat 4/18

10:49 am-4:17 pm

3 stops32h 28m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

Can stopping save me money on Saint Thomas Island to Ontario flights?

You could potentially save up to 29% on your flight if you consider stops on a Saint Thomas Island to Ontario flight.

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 11m

Direct flights

None
The fastest flight from Saint Thomas Island to Ontario takes 11h 11m
There are no direct flights from Saint Thomas Island to Ontario. There are no popular flight routes from Saint Thomas Island to Ontario.
Search flight deals

  • 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 11m 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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