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Cheap flights from Saint John to Las Vegas from C$ 374

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — LAS
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 November 2025.

Round-trip from

C$ 762

One-way from

C$ 396

Popular in

May

Cheapest in

July

Average price

C$ 1,288
United Airlines
  • United Airlines
  • 19/1-21/1
  • 5 total stops
  • 47h 01m total
  • Saint John to Las Vegas
Search Deals
9/1
  • 9/1
  • 2 total stops
  • 38h 02m total
  • Saint John to Las Vegas
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 338 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from St John to Las Vegas

Enter your travel dates to find the best prices.

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 26 November 2025.

Mon 19/14:15 p.m.YSJ - LAS
2 stops12h 42mAir Canada
Wed 21/111:30 p.m.LAS - YSJ
2 stops12h 05mAir Canada
Deal found 25/11C$ 762
Mon 19/14:15 p.m.YSJ - LAS
2 stops21h 22mUnited Airlines
Wed 21/19:56 a.m.LAS - YSJ
3 stops25h 39mUnited Airlines
Deal found 25/11C$ 762

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 629,999 searches. Data last updated 26 November 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

Mon 19/1

4:15 p.m.-12:57 a.m.

2 stops12h 42m

Las Vegas Harry Reid Intl

Wed 21/1

11:30 p.m.-3:35 p.m.

2 stops12h 05m

C$ 762

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 19/1

4:15 p.m.-9:37 a.m.

2 stops21h 22m

Las Vegas Harry Reid Intl

Wed 21/1

9:56 a.m.-3:35 p.m.

3 stops25h 39m

C$ 762

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sat 10/1

4:15 p.m.-8:39 p.m.

1 stop8h 24m

C$ 374

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Fri 9/1

12:00 p.m.-10:02 p.m.

2 stops38h 02m

C$ 396

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Sat 10/1

4:15 p.m.-9:37 a.m.

2 stops21h 22m

C$ 423

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Fri 9/1

4:15 p.m.-8:39 p.m.

1 stop8h 24m

C$ 444

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Tue 3/3

4:15 p.m.-8:15 p.m.

2 stops32h 00m

C$ 483

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Tue 3/3

4:15 p.m.-11:18 a.m.

1 stop23h 03m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/11

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, October is the cheapest month in which you can book a flight from Saint John to Las Vegas (average of C$ 226). Flying from Saint John to Las Vegas in January is currently the most expensive (average of C$ 406). 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 Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated 26 November 2025.
Read through reviews of airlines operating flights from Saint John to Las Vegas, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,046 reviews
United Airlines
7.4
Good
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,476 reviews
United Airlines
7.4
Good
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    A quick flight from Saint John to Las Vegas can take about 21h 22m. United Airlines provides one of the quickest options available for as low as C$ 762. The distance from Saint John to Las Vegas is about 4205 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Saint John to Las Vegas round-trip?

    Our cheapest airline available from Saint John to Las Vegas is United Airlines. Our recent data shows that you can find tickets from as low as C$ 257 on this airline. An additional option worth looking into is Air Canada, starting at C$ 375. Users have found that United Airlines is 71% cheaper than the other options available to this destination.

  • 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, October is the cheapest month in which you can book a flight from Saint John to Las Vegas (average of C$ 226). Flying from Saint John to Las Vegas in January is currently the most expensive (average of C$ 406). 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

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Henderson
Boulder City
North Las Vegas
Paradise

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St John to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Moncton to Las Vegas flights
Fredericton to Las Vegas flights

Top 2 airlines flying from St John to Las Vegas

Discover the top 2 airlines that operate flights from St John to Las Vegas. 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 629,999 searches. Data last updated 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 257AverageC$ 460FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 375AverageC$ 933FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St John to Las Vegas?

When you search for this flight from St John to Las Vegas, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St John to Las Vegas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from St John.

Can Cheapflights find flights from St John to Las Vegas with no change fees?

Certainly. Search results for flights to Las Vegas from St John shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St John to Las Vegas become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from St John today and book when prices fit your budget.

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