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Cheap flights from Ontario to Christiansted from $978

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Christiansted departing on 1/30. 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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Find the cheapest flights from Ontario to Christiansted

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:30 pm - 2:33 pm
ONT
-
STX
12h 03m1 stop
Delta Logo
3:33 pm - 11:58 pm
STX
-
ONT
12h 25m2 stops
$978Delta
Fri, Jan 30 - Sun, Feb 1
Delta Logo
5:10 pm - 2:33 pm
ONT
-
STX
17h 23m2 stops
Delta Logo
3:33 pm - 11:58 pm
STX
-
ONT
12h 25m2 stops
$1,184Delta
Fri, Jan 30 - Sun, Feb 1
United Airlines Logo
6:00 am - 4:58 pm
ONT
-
STX
30h 58m2 stops
United Airlines Logo
8:00 am - 11:18 am
STX
-
ONT
31h 18m3 stops
$2,127United Airlines
Fri, Jan 30 - Sun, Feb 1

Delta flights from Ontario to Christiansted

Our best Delta deals on Ontario to Christiansted flight tickets
Delta
Jan 30
ONT10:30 pmOntario
12h 03m
1 stop
STX2:33 pmChristiansted Henry Rohlsen
Feb 1
STX3:33 pmChristiansted Henry Rohlsen
12h 25m
2 stops
ONT11:58 pmOntario
$978
Find similar
Delta
Jan 30
ONT5:10 pmOntario
17h 23m
2 stops
STX2:33 pmChristiansted Henry Rohlsen
Feb 1
STX3:33 pmChristiansted Henry Rohlsen
12h 25m
2 stops
ONT11:58 pmOntario
$1,184
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Christiansted 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 December 15, 2025.
Use the filters below to find and compare flights from Ontario to Christiansted that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Fri 1/30

10:30 pm-2:33 pm

1 stop12h 03m

Christiansted Henry Rohlsen

Sun 2/1

3:33 pm-11:58 pm

2 stops12h 25m

$978

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Fri 1/30

5:10 pm-2:33 pm

2 stops17h 23m

Christiansted Henry Rohlsen

Sun 2/1

3:33 pm-11:58 pm

2 stops12h 25m

$1,184

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Fri 1/30

6:00 am-4:58 pm

2 stops30h 58m

Christiansted Henry Rohlsen

Sun 2/1

8:00 am-11:18 am

3 stops31h 18m

$2,127

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Christiansted from

How to get the cheapest flight ticket from Ontario to Christiansted

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 day to depart on your flight to Christiansted?

On average, the least expensive day to fly to Christiansted from Ontario is on a Saturday. momondo users have found tickets for Saturday departures for as low as $397. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Christiansted on Tuesday is $778.

When to book flights from Ontario to Christiansted

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

Cheap Ontario to Christiansted (ONT to STX) flight deals and tips

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

Fastest flight time

11h 52m

Direct flights

None
The fastest flight from Ontario to Christiansted takes 11h 52m
There are no direct flights from Ontario to Christiansted. There are no popular flight routes from Ontario to Christiansted.
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  • How far is Ontario to Christiansted Henry Rohlsen by plane?

    There are 3434.9 mi between Ontario and Christiansted Henry Rohlsen. Flights usually cover this in 11h 52m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Christiansted Henry Rohlsen Airport?

    Prices for flights from Ontario Airport to Christiansted Henry Rohlsen Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Christiansted Henry Rohlsen 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 Ontario Airport to Christiansted Henry Rohlsen Airport.

  • What documentation or ID do you need to fly to Christiansted Henry Rohlsen Airport?

    The necessary travel and health documents for your Christiansted Henry Rohlsen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Christiansted?

Book flights to Christiansted if you plan to visit one of these locations
Frederiksted

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Christiansted from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Christiansted from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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