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$337+ Cheap flights from Saint John (YSJ) to Las Vegas (LAS)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — LAS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from St John to Las Vegas

Best flights from St John to Las Vegas
Discover carefully curated flight deals from St John to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/185:40 amYSJ - LAS
2 stops12h 47mAir Canada
Sat 1/2411:30 pmLAS - YSJ
2 stops12h 10mAir Canada
Deal found 12/10$628
This United Airlines deal was found by Cheapflights users on 12/9. 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 1/124:15 pmYSJ - LAS
2 stops24h 02mUnited Airlines
Wed 1/149:56 amLAS - YSJ
3 stops25h 44mUnited Airlines
Deal found 12/9$738
This Air Canada deal was found by Cheapflights users on 12/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1211:30 amYSJ - LAS
1 stop15h 01mAir Canada
Wed 1/144:45 pmLAS - YSJ
2 stops13h 54mAir Canada
Deal found 12/9$644
This Air Canada deal was found by Cheapflights users on 12/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/711:30 amYSJ - LAS
1 stop15h 01mAir Canada
Wed 1/1411:30 pmLAS - YSJ
2 stops12h 10mAir Canada
Deal found 12/10$647
This Air Canada deal was found by Cheapflights users on 12/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/185:40 amYSJ - LAS
1 stop12h 21mAir Canada
Sun 1/1811:30 pmLAS - YSJ
2 stops12h 10mAir Canada
Deal found 12/10$658

Find flight deals from St John to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to Las Vegas (LAS). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(Air Canada)

One-way from

$337
(Air Canada)

Popular in

May

Cheapest in

July

Average price

$825
Provider with most accurate pricing for Saint John-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint John-Las Vegas Harry Reid Intl flights.
Search Deals
From Saint John to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Saint John to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Las Vegas 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 December 12, 2025.
Use the filters below to find and compare flights from Saint John to Las Vegas that are best for you.

Fly from

St John

Fly to

Las Vegas

Route

Depart

Return

Price

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sun 1/18

5:40 am-2:27 pm

2 stops12h 47m

Las Vegas Harry Reid Intl

Sat 1/24

11:30 pm-3:40 pm

2 stops12h 10m

$628

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/12

11:30 am-10:31 pm

1 stop15h 01m

Las Vegas Harry Reid Intl

Wed 1/14

4:45 pm-10:39 am

2 stops13h 54m

$644

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Wed 1/7

11:30 am-10:31 pm

1 stop15h 01m

Las Vegas Harry Reid Intl

Wed 1/14

11:30 pm-3:40 pm

2 stops12h 10m

$647

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sun 1/18

5:40 am-2:01 pm

1 stop12h 21m

Las Vegas Harry Reid Intl

Sun 1/18

11:30 pm-3:40 pm

2 stops12h 10m

$658

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/12

4:15 pm-12:17 pm

2 stops24h 02m

Las Vegas Harry Reid Intl

Wed 1/14

9:56 am-3:40 pm

3 stops25h 44m

$738

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sun 1/25

11:30 am-8:32 pm

2 stops13h 02m

$337

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sat 1/24

11:30 am-9:59 pm

2 stops14h 29m

$338

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sun 1/25

4:15 pm-11:19 pm

3 stops35h 04m

$442

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sat 1/24

5:40 am-6:29 pm

3 stops16h 49m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from St John to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to Las Vegas in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Saint John-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Saint John-Las Vegas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Saint John-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint John-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St John to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from St John 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 Saint John to Las Vegas

What is the cheapest month to book a flight from Saint John to Las Vegas?

Currently, March is the cheapest month in which you can book a flight from Saint John to Las Vegas (average of $160). Flying from Saint John to Las Vegas in January is currently the most expensive (average of $283). 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.

How much does it cost to fly round-trip from Saint John to Las Vegas?

Related info for your journey

Find useful and relevant information for your journey from St John to Las Vegas. 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 Saint John to Las Vegas?

    For as low as $628, Air Canada can have you in Las Vegas from Saint John in 12h 47m. Saint John and Las Vegas are separated by a distance of 2613 mi.

  • Can I find deals for flights from St John to Las Vegas that include hotel bookings?

    Yes. In addition to deals on St John to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Las Vegas.

  • Can I find deals for business class flights from St John to Las Vegas?

    Yes. Cheapflights offers flight deals from St John to Las Vegas 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 Saint John to Las Vegas?

    Currently, March is the cheapest month in which you can book a flight from Saint John to Las Vegas (average of $160). Flying from Saint John to Las Vegas in January is currently the most expensive (average of $283). 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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