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Cheap flights from Ontario to Saint Croix from $462

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 7/11. 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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0 bags

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Find the cheapest flights from Ontario to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:24 pm - 3:36 pm
ONT
-
STX
13h 12m
2 stops
JetBlue Logo
4:34 pm - 10:05 pm
STX
-
ONT
32h 31m
2 stops
$944JetBlue
Sat, Jul 25 - Fri, Jul 31
JetBlue Logo
11:24 pm - 3:36 pm
ONT
-
STX
13h 12m
2 stops
JetBlue Logo
4:34 pm - 10:05 pm
STX
-
ONT
32h 31m
2 stops
$945JetBlue
Sat, Jul 25 - Fri, Jul 31
United Airlines Logo
5:45 am - 7:38 pm
ONT
-
STX
34h 53m
2 stops
United Airlines Logo
10:25 am - 9:58 pm
STX
-
ONT
14h 33m
2 stops
$1,726United Airlines
Tue, Sep 22 - Sun, Sep 27
United Airlines Logo
5:00 am - 7:38 pm
ONT
-
STX
11h 38m
2 stops
United Airlines Logo
9:59 am - 9:55 pm
STX
-
ONT
14h 56m
2 stops
$2,006United Airlines
Sun, Jul 12 - Wed, Jul 15
United Airlines Logo
5:00 am - 7:38 pm
ONT
-
STX
11h 38m
2 stops
United Airlines Logo
3:14 pm - 9:59 pm
STX
-
ONT
33h 45m
2 stops
$2,050United Airlines
Sat, Aug 8 - Wed, Aug 12
United Airlines Logo
5:00 am - 7:38 pm
ONT
-
STX
11h 38m
2 stops
United Airlines Logo
9:59 am - 9:55 pm
STX
-
ONT
14h 56m
2 stops
$2,076United Airlines
Sat, May 30 - Fri, Jun 5
United Airlines Logo
5:45 am - 7:38 pm
ONT
-
STX
34h 53m
2 stops
United Airlines Logo
10:25 am - 9:59 pm
STX
-
ONT
14h 34m
2 stops
$2,087United Airlines
Sun, Aug 23 - Sun, Aug 30
United Airlines Logo
5:00 am - 12:30 pm
ONT
-
STX
28h 30m
2 stops
United Airlines Logo
9:59 am - 9:55 pm
STX
-
ONT
14h 56m
2 stops
$2,167United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
5:00 am - 7:38 pm
ONT
-
STX
11h 38m
2 stops
United Airlines Logo
9:59 am - 9:55 pm
STX
-
ONT
14h 56m
2 stops
$2,257United Airlines
Thu, Jul 9 - Thu, Jul 16
United Airlines Logo
5:45 am - 8:55 am
ONT
-
STX
24h 10m
2 stops
United Airlines Logo
2:18 pm - 9:55 pm
STX
-
ONT
34h 37m
2 stops
$4,474United Airlines
Sat, May 23 - Sat, May 30

JetBlue flights from Ontario to Saint Croix

Our best JetBlue deals on Ontario to Saint Croix flight tickets
JetBlue
Jul 25
ONT11:24 pmOntario
13h 12m
2 stops
STX3:36 pmChristiansted Henry Rohlsen
Jul 31
STX4:34 pmChristiansted Henry Rohlsen
32h 31m
2 stops
ONT10:05 pmOntario
$944
JetBlue
Jul 25
ONT11:24 pmOntario
13h 12m
2 stops
STX3:36 pmChristiansted Henry Rohlsen
Jul 31
STX4:34 pmChristiansted Henry Rohlsen
32h 31m
2 stops
ONT10:05 pmOntario
$945

United Airlines flights from Ontario to Saint Croix

Our best United Airlines deals on Ontario to Saint Croix flight tickets
United Airlines
Sep 22
ONT5:45 amOntario
34h 53m
2 stops
STX7:38 pmChristiansted Henry Rohlsen
Sep 27
STX10:25 amChristiansted Henry Rohlsen
14h 33m
2 stops
ONT9:58 pmOntario
$1,726
United Airlines
Jul 12
ONT5:00 amOntario
11h 38m
2 stops
STX7:38 pmChristiansted Henry Rohlsen
Jul 15
STX9:59 amChristiansted Henry Rohlsen
14h 56m
2 stops
ONT9:55 pmOntario
$2,006
United Airlines
Aug 8
ONT5:00 amOntario
11h 38m
2 stops
STX7:38 pmChristiansted Henry Rohlsen
Aug 12
STX3:14 pmChristiansted Henry Rohlsen
33h 45m
2 stops
ONT9:59 pmOntario
$2,050

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Saint Croix 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 May 9, 2026.
Use the filters below to find and compare flights from Ontario to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sat 7/25

11:24 pm-3:36 pm

2 stops13h 12m

Christiansted Henry Rohlsen

Fri 7/31

4:34 pm-10:05 pm

2 stops32h 31m

$944

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sat 7/25

11:24 pm-3:36 pm

2 stops13h 12m

Christiansted Henry Rohlsen

Fri 7/31

4:34 pm-10:05 pm

2 stops32h 31m

$945

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Tue 9/22

5:45 am-7:38 pm

2 stops34h 53m

Christiansted Henry Rohlsen

Sun 9/27

10:25 am-9:58 pm

2 stops14h 33m

$1,726
Quickest round-trip

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sun 7/12

5:00 am-7:38 pm

2 stops11h 38m

Christiansted Henry Rohlsen

Wed 7/15

9:59 am-9:55 pm

2 stops14h 56m

$2,006

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sat 8/8

5:00 am-7:38 pm

2 stops11h 38m

Christiansted Henry Rohlsen

Wed 8/12

3:14 pm-9:59 pm

2 stops33h 45m

$2,050

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sat 5/30

5:00 am-7:38 pm

2 stops11h 38m

Christiansted Henry Rohlsen

Fri 6/5

9:59 am-9:55 pm

2 stops14h 56m

$2,076

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sun 8/23

5:45 am-7:38 pm

2 stops34h 53m

Christiansted Henry Rohlsen

Sun 8/30

10:25 am-9:59 pm

2 stops14h 34m

$2,087

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Wed 6/3

5:00 am-12:30 pm

2 stops28h 30m

Christiansted Henry Rohlsen

Wed 6/10

9:59 am-9:55 pm

2 stops14h 56m

$2,167

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Thu 7/9

5:00 am-7:38 pm

2 stops11h 38m

Christiansted Henry Rohlsen

Thu 7/16

9:59 am-9:55 pm

2 stops14h 56m

$2,257

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sat 5/23

5:45 am-8:55 am

2 stops24h 10m

Christiansted Henry Rohlsen

Sat 5/30

2:18 pm-9:55 pm

2 stops34h 37m

$4,474

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Saint Croix from

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?

JetBlue and United Airlines are the most popular carriers 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

Fastest flight time

11h 38m

Direct flights

None
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.
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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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