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Saint Martin Island

$229+ Cheap flights from Ontario (ONT) to Saint Martin Island

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SXM
Aug 10 — Aug 171
Sun 8/10
Sun 8/17
1 adult, Economy
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Cheap flight deals from Ontario to Saint Martin Island

Keep the following information in mind while searching for Ontario to Saint Martin Island flight deals. Data was last updated August 5, 2025.

Round-trip from

$596
(Priceline)

One-way from

$229
(JetBlue)

Popular in

December

Cheapest in

September

Average price

$675
From Ontario to Saint Martin Island
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One-way flight from Ontario to Saint Martin Island
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Highest demand for flights based on searches. 18% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Saint Martin Island

Cheapest flights from Ontario to Saint Martin Island
Explore the most affordable flight options available from Ontario to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2025.

This Priceline deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:56 pmONT - SXM
1 stop11h 19mJetBlue
Sat 9/273:31 pmSXM - ONT
1 stop32h 58mJetBlue
Deal found 8/5$596
This Priceline deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:56 pmONT - SXM
1 stop11h 19mJetBlue
Sat 10/43:31 pmSXM - ONT
1 stop32h 58mJetBlue
Deal found 8/3$621
This JetBlue deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:59 pmONT - SXM
1 stop32h 11mJetBlue
Fri 9/52:35 pmSXM - ONT
1 stop33h 54mJetBlue
Deal found 8/3$649
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:59 pmONT - SXM
1 stop11h 32mAmerican Airlines
Mon 8/252:45 pmSXM - ONT
2 stops23h 47mAmerican Airlines
Deal found 8/5$669
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:05 amONT - SXM
2 stops28h 45mUnited Airlines
Wed 11/262:52 pmSXM - ONT
2 stops25h 40mUnited Airlines
Deal found 8/3$675
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:29 pmONT - SXM
2 stops20h 21mUnited Airlines
Thu 12/42:52 pmSXM - ONT
2 stops34h 57mUnited Airlines
Deal found 8/4$717
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:59 pmONT - SXM
1 stop11h 36mDelta
Wed 12/34:00 pmSXM - ONT
1 stop10h 41mDelta
Deal found 8/4$720
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:40 pmONT - SXM
2 stops20h 10mUnited Airlines
Wed 12/32:52 pmSXM - ONT
2 stops25h 40mUnited Airlines
Deal found 8/4$760
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:05 amONT - SXM
2 stops28h 46mUnited Airlines
Tue 11/112:52 pmSXM - ONT
2 stops25h 39mUnited Airlines
Deal found 8/4$771
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:05 amONT - SXM
2 stops28h 45mUnited Airlines
Wed 12/32:52 pmSXM - ONT
2 stops25h 40mUnited Airlines
Deal found 8/4$781

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Saint Martin Island 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, Cheapflights users made 2,558,603 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Ontario to Saint Martin Island that are best for you.

Fly from

Ontario

Fly to

Saint Martin Island

Route

Depart

Return

Price

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Sat 9/20

10:56 pm-1:15 pm

1 stop11h 19m

Simpson Bay Princess Juliana

Sat 9/27

3:31 pm-9:29 pm

1 stop32h 58m

$596

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Sat 9/27

10:56 pm-1:15 pm

1 stop11h 19m

Simpson Bay Princess Juliana

Sat 10/4

3:31 pm-9:29 pm

1 stop32h 58m

$621

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Sat 8/23

11:59 pm-11:10 am

1 stop32h 11m

Simpson Bay Princess Juliana

Fri 9/5

2:35 pm-9:29 pm

1 stop33h 54m

$649

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Mon 8/18

11:59 pm-2:31 pm

1 stop11h 32m

Simpson Bay Princess Juliana

Mon 8/25

2:45 pm-11:32 am

2 stops23h 47m

$669

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Sun 11/16

5:05 am-1:50 pm

2 stops28h 45m

Simpson Bay Princess Juliana

Wed 11/26

2:52 pm-12:32 pm

2 stops25h 40m

$675

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Sat 1/17

6:42 pm-1:51 pm

2 stops15h 09m

Simpson Bay Princess Juliana

Sat 1/24

2:46 pm-6:00 pm

2 stops31h 14m

$694

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Wed 11/26

1:29 pm-1:50 pm

2 stops20h 21m

Simpson Bay Princess Juliana

Thu 12/4

2:52 pm-9:49 pm

2 stops34h 57m

$717

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Tue 11/18

10:59 pm-2:35 pm

1 stop11h 36m

Simpson Bay Princess Juliana

Wed 12/3

4:00 pm-10:41 pm

1 stop10h 41m

$720

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Tue 11/18

1:40 pm-1:50 pm

2 stops20h 10m

Simpson Bay Princess Juliana

Wed 12/3

2:52 pm-12:32 pm

2 stops25h 40m

$760

OntarioSimpson Bay

ONT - SXM

ONTSXM

Ontario

Fri 11/7

5:05 am-1:51 pm

2 stops28h 46m

Simpson Bay Princess Juliana

Tue 11/11

2:52 pm-12:31 pm

2 stops25h 39m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 19 results
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Best time to book a flight from Ontario to Saint Martin Island

Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Saint Martin Island

What is the cheapest month to book a flight from Ontario to Saint Martin Island?

Currently, September is the cheapest month in which you can book a flight from Ontario to Saint Martin Island (average of $459). Flying from Ontario to Saint Martin Island in March is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Saint Martin Island

Get insights into the airlines that provide service to Saint Martin Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Martin Island. Reviews last updated August 5, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Ontario to Saint Martin Island have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,985 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,985 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,985 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Saint Martin Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Saint Martin Island?

    If you book a flight to Saint Martin Island from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find deals for flights from Ontario to Saint Martin Island that include hotel bookings?

    Yes. In addition to deals on Ontario to Saint Martin Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Saint Martin Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Saint Martin Island.

  • Can I find deals for business class flights from Ontario to Saint Martin Island?

    Yes. Cheapflights offers flight deals from Ontario to Saint Martin Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Saint Martin Island?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Saint Martin Island (average of $459). Flying from Ontario to Saint Martin Island in March is currently the most expensive (average of $653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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