When did momondo last update prices for flights from Ontario Airport to Saint Croix?

Prices for flights from Ontario Airport to Saint Croix are updated daily.

How old do you have to be to fly from Ontario Airport to Saint Croix?

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 Ontario Airport to Saint Croix.

What documentation or ID do you need to fly to Saint Croix?

The travel and health documents you'll need for your trip to Saint Croix 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 Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$397 Cheap Flights from Ontario to Saint Croix in 2026/27

Find the cheapest flights from Ontario to Saint Croix

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 10:51 pmONT Ontario-STX Christiansted Henry Rohlsen

11h 51m2 stops Dallas/Fort Worth Miami

5:17 pm - 11:41 amSTX Christiansted Henry Rohlsen-ONT Ontario

22h 24m2 stops Miami Phoenix Sky Harbor Intl

$538American Airlines

Tue, Feb 9 - Wed, Feb 17

11:59 pm - 10:07 pmONT Ontario-STX Christiansted Henry Rohlsen

18h 08m2 stops Dallas/Fort Worth Miami

9:00 am - 8:35 amSTX Christiansted Henry Rohlsen-ONT Ontario

27h 35m2 stops Miami Phoenix Sky Harbor Intl

$800American Airlines

Mon, Nov 23 - Wed, Nov 25

6:30 am - 10:07 pmONT Ontario-STX Christiansted Henry Rohlsen

11h 37m2 stops Phoenix Sky Harbor Intl Miami

9:00 am - 10:54 pmSTX Christiansted Henry Rohlsen-ONT Ontario

17h 54m2 stops Miami Dallas/Fort Worth

$841American Airlines

Thu, Nov 19 - Wed, Nov 25

10:10 pm - 4:29 pmONT Ontario-STX Christiansted Henry Rohlsen

14h 19m1 stop Charlotte Douglas

9:00 am - 9:48 amSTX Christiansted Henry Rohlsen-ONT Ontario

28h 48m2 stops Miami Dallas/Fort Worth

$892American Airlines

Thu, Dec 31 - Wed, Jan 6

11:59 pm - 10:07 pmONT Ontario-STX Christiansted Henry Rohlsen

18h 08m2 stops Dallas/Fort Worth Miami

9:00 am - 10:36 pmSTX Christiansted Henry Rohlsen-ONT Ontario

17h 36m2 stops Miami Dallas/Fort Worth

$930American Airlines

Mon, Nov 23 - Sun, Nov 29

4:19 pm - 3:04 pmONT Ontario-STX Christiansted Henry Rohlsen

18h 45m3 stops Phoenix Sky Harbor Intl Houston George Bush Intcntl Miami

3:07 pm - 11:45 pmSTX Christiansted Henry Rohlsen-ONT Ontario

12h 38m2 stops Miami Dallas/Fort Worth

$942American Airlines

Tue, Feb 9 - Wed, Feb 17

5:00 am - 7:38 pmONT Ontario-STX Christiansted Henry Rohlsen

11h 38m2 stops Denver Intl San Juan Luis Munoz Marin Intl

9:10 am - 9:40 pmSTX Christiansted Henry Rohlsen-ONT Ontario

15h 30m2 stops San Juan Luis Munoz Marin Intl Houston George Bush Intcntl

$974Multiple Airlines

Sat, Oct 24 - Wed, Oct 28

5:00 am - 8:20 amONT Ontario-STX Christiansted Henry Rohlsen

23h 20m2 stops Denver Intl San Juan Luis Munoz Marin Intl

3:25 pm - 8:20 pmSTX Christiansted Henry Rohlsen-ONT Ontario

32h 55m2 stops Newark Denver Intl

$1,040Multiple Airlines

Tue, Mar 2 - Sat, Mar 6

5:05 pm - 2:35 pmONT Ontario-STX Christiansted Henry Rohlsen

17h 30m2 stops Salt Lake City Atlanta Hartsfield-Jackson

3:35 pm - 10:14 pmSTX Christiansted Henry Rohlsen-ONT Ontario

10h 39m1 stop Atlanta Hartsfield-Jackson

$1,043Delta

Tue, Feb 9 - Wed, Feb 17

4:19 pm - 10:51 pmONT Ontario-STX Christiansted Henry Rohlsen

26h 32m2 stops Phoenix Sky Harbor Intl Miami

4:31 pm - 8:40 amSTX Christiansted Henry Rohlsen-ONT Ontario

20h 09m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$1,146American Airlines

Tue, Feb 9 - Wed, Feb 17

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American Airlines flights from Ontario to Saint Croix

Our best American Airlines deals on Ontario to Saint Croix flight tickets

American Airlines

Feb 9

ONT7:00 amOntario

11h 51m

2 stops

STX10:51 pmChristiansted Henry Rohlsen

Feb 17

STX5:17 pmChristiansted Henry Rohlsen

22h 24m

2 stops

ONT11:41 amOntario

$538

American Airlines

Nov 23

ONT11:59 pmOntario

18h 08m

2 stops

STX10:07 pmChristiansted Henry Rohlsen

Nov 25

STX9:00 amChristiansted Henry Rohlsen

27h 35m

2 stops

ONT8:35 amOntario

$800

American Airlines

Nov 19

ONT6:30 amOntario

11h 37m

2 stops

STX10:07 pmChristiansted Henry Rohlsen

Nov 25

STX9:00 amChristiansted Henry Rohlsen

17h 54m

2 stops

ONT10:54 pmOntario

$841

United Airlines flights from Ontario to Saint Croix

Our best United Airlines deals on Ontario to Saint Croix flight tickets

United Airlines

Nov 21

ONT6:00 amOntario

26h 30m

2 stops

STX12:30 pmChristiansted Henry Rohlsen

Nov 28

STX3:25 pmChristiansted Henry Rohlsen

25h 08m

2 stops

ONT12:33 pmOntario

$2,153

United Airlines

Feb 9

ONT6:53 pmOntario

20h 45m

3 stops

STX7:38 pmChristiansted Henry Rohlsen

Feb 17

STX9:59 amChristiansted Henry Rohlsen

17h 07m

3 stops

ONT11:06 pmOntario

$2,284

United Airlines

Oct 4

ONT5:00 amOntario

28h 30m

2 stops

STX12:30 pmChristiansted Henry Rohlsen

Oct 10

STX2:18 pmChristiansted Henry Rohlsen

34h 41m

2 stops

ONT9:59 pmOntario

$2,397

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Tue 2/9

7:00 am-10:51 pm

2 stops11h 51m

Christiansted Henry Rohlsen

Wed 2/17

5:17 pm-11:41 am

2 stops22h 24m

$538

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Mon 11/23

11:59 pm-10:07 pm

2 stops18h 08m

Christiansted Henry Rohlsen

Wed 11/25

9:00 am-8:35 am

2 stops27h 35m

$800

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Thu 11/19

6:30 am-10:07 pm

2 stops11h 37m

Christiansted Henry Rohlsen

Wed 11/25

9:00 am-10:54 pm

2 stops17h 54m

$841

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Thu 12/31

10:10 pm-4:29 pm

1 stop14h 19m

Christiansted Henry Rohlsen

Wed 1/6

9:00 am-9:48 am

2 stops28h 48m

$892

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Mon 11/23

11:59 pm-10:07 pm

2 stops18h 08m

Christiansted Henry Rohlsen

Sun 11/29

9:00 am-10:36 pm

2 stops17h 36m

$930

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Tue 2/9

4:19 pm-3:04 pm

3 stops18h 45m

Christiansted Henry Rohlsen

Wed 2/17

3:07 pm-11:45 pm

2 stops12h 38m

$942

Quickest round-trip

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Sat 10/24

5:00 am-7:38 pm

2 stops11h 38m

Christiansted Henry Rohlsen

Wed 10/28

9:10 am-9:40 pm

2 stops15h 30m

$974

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Tue 3/2

5:00 am-8:20 am

2 stops23h 20m

Christiansted Henry Rohlsen

Sat 3/6

3:25 pm-8:20 pm

2 stops32h 55m

$1,040

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Tue 2/9

5:05 pm-2:35 pm

2 stops17h 30m

Christiansted Henry Rohlsen

Wed 2/17

3:35 pm-10:14 pm

1 stop10h 39m

$1,043

OntarioChristiansted

ONT Ontario - STX Christiansted Henry Rohlsen

ONTSTX

Ontario

Tue 2/9

4:19 pm-10:51 pm

2 stops26h 32m

Christiansted Henry Rohlsen

Wed 2/17

4:31 pm-8:40 am

2 stops20h 09m

$1,146

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Saint Croix

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 Ontario to Saint Croix?

United Airlines is the most popular carrier operating from Ontario to Saint Croix

Cheap Ontario to Saint Croix flight deals and tips

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

Best Price Found	$397
Fastest flight time	11h 38m
Direct flights	None

The best one-way flight to Saint Croix from Ontario in the past 72 hours is $397. The best round-trip flight deal from Ontario to Saint Croix found on momondo in the last 72 hours is $538.

The fastest flight from Ontario to Saint Croix takes 11h 38m

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

Search flight deals

Frequently asked questions about flying from Ontario to Saint Croix

When did momondo last update prices for flights from Ontario Airport to Saint Croix?
Prices for flights from Ontario Airport to Saint Croix are updated daily.
How old do you have to be to fly from Ontario Airport to Saint Croix?
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 Ontario Airport to Saint Croix.
What documentation or ID do you need to fly to Saint Croix?
The travel and health documents you'll need for your trip to Saint Croix 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 Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Saint Croix. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Saint Croix from Ontario with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Croix from Ontario.

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

If you are not ready to book a flight from Ontario to Saint Croix now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Croix and let you know when they change.

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Cheap flights from Ontario to Saint Croix from $397

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Saint Croix departing on 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best United Airlines deals on Ontario to Saint Croix flight tickets

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Frequently asked questions about flying from Ontario to Saint Croix

Why use momondo?

An easier way to manage your Saint Croix trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Croix

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