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$585+ Cheap flights from Ontario (ONT) to Nassau (NAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — NAS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Nassau

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Nassau (NAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$585
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$638
From Ontario to Nassau Intl
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Nassau

Cheapest flights from Ontario to Nassau
Explore the most affordable flight options available from Ontario to Nassau. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 11/710:00 pmONT - NAS
1 stop10h 51mDelta
Tue 11/114:51 pmNAS - ONT
1 stop9h 13mDelta
Deal found 9/11$640
This American Airlines deal was found by Cheapflights users on 9/9. 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 12/2210:40 pmONT - NAS
1 stop14h 33mAmerican Airlines
Mon 12/291:12 pmNAS - ONT
1 stop10h 46mAmerican Airlines
Deal found 9/9$655
This United Airlines deal was found by Cheapflights users on 9/9. 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 12/2211:59 pmONT - NAS
1 stop12h 23mUnited Airlines
Mon 12/291:05 pmNAS - ONT
2 stops26h 33mUnited Airlines
Deal found 9/9$699
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 11/61:40 pmONT - NAS
2 stops20h 53mUnited Airlines
Wed 11/192:35 pmNAS - ONT
1 stop10h 14mUnited Airlines
Deal found 9/10$714
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/76:38 pmONT - NAS
2 stops18h 36mUnited Airlines
Wed 11/192:35 pmNAS - ONT
1 stop10h 14mUnited Airlines
Deal found 9/10$724
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/2111:59 pmONT - NAS
1 stop12h 23mUnited Airlines
Sat 12/272:55 pmNAS - ONT
1 stop9h 12mUnited Airlines
Deal found 9/11$735
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/86:05 amONT - NAS
1 stop28h 28mUnited Airlines
Tue 11/112:35 pmNAS - ONT
1 stop10h 14mUnited Airlines
Deal found 9/11$736
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 12/205:05 amONT - NAS
2 stops29h 28mUnited Airlines
Mon 12/291:05 pmNAS - ONT
2 stops26h 33mUnited Airlines
Deal found 9/9$782

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Nassau 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Nassau that are best for you.

Fly from

Ontario

Fly to

Nassau

Route

Depart

Return

Price

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Sun 1/18

1:20 pm-3:22 pm

2 stops23h 02m

Nassau Intl

Fri 1/23

3:35 pm-10:26 pm

1 stop9h 51m

$585

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Sun 1/18

3:00 pm-1:25 pm

2 stops19h 25m

Nassau Intl

Fri 1/23

12:55 pm-10:02 pm

2 stops12h 07m

$589

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Sun 1/18

10:30 pm-1:30 pm

1 stop12h 00m

Nassau Intl

Fri 1/23

2:55 pm-9:14 pm

1 stop9h 19m

$615

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Mon 3/2

10:30 pm-1:30 pm

1 stop12h 00m

Nassau Intl

Wed 3/4

2:55 pm-9:14 pm

1 stop9h 19m

$615

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Fri 11/7

10:00 pm-11:51 am

1 stop10h 51m

Nassau Intl

Tue 11/11

4:51 pm-11:04 pm

1 stop9h 13m

$640

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Mon 12/22

10:40 pm-4:13 pm

1 stop14h 33m

Nassau Intl

Mon 12/29

1:12 pm-8:58 pm

1 stop10h 46m

$655

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Mon 1/26

6:39 pm-11:53 am

2 stops14h 14m

Nassau Intl

Thu 1/29

3:35 pm-10:26 pm

1 stop9h 51m

$695

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Mon 3/2

8:04 pm-9:35 am

2 stops10h 31m

Nassau Intl

Wed 3/4

2:40 pm-11:43 pm

2 stops12h 03m

$699

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Mon 12/22

11:59 pm-3:22 pm

1 stop12h 23m

Nassau Intl

Mon 12/29

1:05 pm-12:38 pm

2 stops26h 33m

$699

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Sun 2/22

7:00 am-2:55 pm

1 stop28h 55m

Nassau Intl

Mon 3/2

3:35 pm-10:26 pm

1 stop9h 51m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Ontario to Nassau

Have a flexible travel schedule? Discover the best time to fly to Nassau 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 Nassau

What is the cheapest month to book a flight from Ontario to Nassau?

Currently, January is the cheapest month in which you can book a flight from Ontario to Nassau (average of $362). Flying from Ontario to Nassau in June is currently the most expensive (average of $455). 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.

What is the cheapest time of day to fly from ONT to NAS?

Find hourly flight availability from Ontario to Nassau. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Ontario to Nassau at noon. By choosing this option you can save up to 2% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Nassau

Get insights into the airlines that provide service to Nassau. 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 Nassau. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Ontario to Nassau. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

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 Nassau. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Nassau?

    There are many flights that can get you from Ontario to Nassau in 12h. Fly via United Airlines, American Airlines, or Delta to get the fastest option. The distance between Ontario and Nassau is about 2473 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ontario to Nassau round-trip?

    Currently priced at $278, Delta will fly you from Ontario to Nassau and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $517 and $530, respectively. Delta is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Ontario to Nassau that include hotel bookings?

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

  • How can I find direct flights from Ontario to Nassau?

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

  • Can I find deals for business class flights from Ontario to Nassau?

    Yes. Cheapflights offers flight deals from Ontario to Nassau 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 Nassau?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Nassau (average of $362). Flying from Ontario to Nassau in June is currently the most expensive (average of $455). 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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Alternative routes for Ontario to Nassau

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Nassau

Discover the top 3 airlines that operate flights from Ontario to Nassau. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$600FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$517Average$690FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$530Average$620FlexibilityNo cancel feeOn-time69%

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