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$310+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — LAS
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from St John to Las Vegas

Cheapest flights from St John to Las Vegas
Explore the most affordable flight options available from St John to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This Air Canada deal was found by Cheapflights users on 1/26. 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.
lun. 6/15:35 am
YSJ
-
LAS
1 stop9h 29m
Air Canada
mar. 6/212:00 pm
LAS
-
YSJ
1 stop7h 52m
Air Canada
Deal found 1/26$671
This United Airlines deal was found by Cheapflights users on 1/24. 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.
dom. 5/104:30 pm
YSJ
-
LAS
2 stops32h 14m
United Airlines
jue. 5/146:00 am
LAS
-
YSJ
2 stops13h 52m
United Airlines
Deal found 1/24$690
This United Airlines deal was found by Cheapflights users on 1/27. 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.
mar. 6/234:30 pm
YSJ
-
LAS
2 stops31h 37m
United Airlines
lun. 6/292:19 pm
LAS
-
YSJ
2 stops17h 06m
United Airlines
Deal found 1/27$697
This Air Canada deal was found by Cheapflights users on 1/24. 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.
dom. 5/105:35 am
YSJ
-
LAS
1 stop9h 29m
Air Canada
jue. 5/148:00 am
LAS
-
YSJ
2 stops11h 52m
Air Canada
Deal found 1/24$699
This Mytrip deal was found by Cheapflights users on 1/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/712:00 pm
YSJ
-
LAS
2 stops27h 42m
Multiple Airlines
dom. 4/1211:05 pm
LAS
-
YSJ
2 stops12h 40m
Multiple Airlines
Deal found 1/24$756
This United Airlines deal was found by Cheapflights users on 1/27. 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.
mié. 4/85:35 am
YSJ
-
LAS
2 stops16h 17m
United Airlines
dom. 4/129:44 pm
LAS
-
YSJ
2 stops22h 08m
United Airlines
Deal found 1/27$766
This United Airlines deal was found by Cheapflights users on 1/27. 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.
mar. 6/234:30 pm
YSJ
-
LAS
2 stops31h 37m
United Airlines
dom. 6/286:00 am
LAS
-
YSJ
2 stops13h 50m
United Airlines
Deal found 1/27$772
This Air Canada deal was found by Cheapflights users on 1/27. 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.
mié. 4/811:55 am
YSJ
-
LAS
2 stops14h 34m
Air Canada
dom. 4/1212:10 pm
LAS
-
YSJ
1 stop7h 42m
Air Canada
Deal found 1/27$773

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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$671
(Air Canada)

One-way from

$310
(Kiwi.com)

Popular in

May

Cheapest in

July

Average price

$640
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. 17% potential increase in price ($133 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 January 2026
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 enero 27, 2026.
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

lun. 6/1

5:35 am-11:04 am

1 stop9h 29m

Las Vegas Harry Reid Intl

mar. 6/2

6:00 am-11:52 pm

2 stops13h 52m

$671

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

dom. 5/10

4:30 pm-8:44 pm

2 stops32h 14m

Las Vegas Harry Reid Intl

jue. 5/14

6:00 am-11:52 pm

2 stops13h 52m

$690

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

dom. 5/10

5:35 am-11:04 am

1 stop9h 29m

Las Vegas Harry Reid Intl

jue. 5/14

12:00 pm-11:52 pm

1 stop7h 52m

$690

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

mar. 6/23

4:30 pm-8:07 pm

2 stops31h 37m

Las Vegas Harry Reid Intl

lun. 6/29

2:19 pm-11:25 am

2 stops17h 06m

$697

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

mar. 6/23

12:00 pm-11:39 am

2 stops27h 39m

$310

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

mié. 3/11

12:00 pm-8:16 pm

3 stops36h 16m

$318

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

sáb. 3/7

5:40 am-11:20 am

1 stop9h 40m

$361

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

mié. 3/11

5:40 am-11:20 am

1 stop9h 40m

$361

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

mar. 6/23

5:40 am-11:14 am

1 stop9h 34m

$375

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

vie. 3/13

4:15 pm-10:42 pm

2 stops34h 27m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 results
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  • Most accurate provider: When it comes to deals on Saint John-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-Las Vegas flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $159). Flying from Saint John to Las Vegas in December is currently the most expensive (average of $276). 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.

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 $671, Air Canada can have you in Las Vegas from Saint John in 9h 29m. 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 $159). Flying from Saint John to Las Vegas in December is currently the most expensive (average of $276). 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

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Boulder City
Needles
Sunrise Manor

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Alternative routes for St John to Las Vegas

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