Cheap flights from Saint John to Las Vegas from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to Las Vegas departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Saint John to Las Vegas

Cheap round-trip flights

Multiple Airlines Logo
YSJ-LAS
2613 mimulti-stop
Multiple Airlines Logo
LAS-YSJ
2613 mimulti-stop
Multiple Airlines
Find Deal

momondo Fare Finder

 
Customize your flight search to find flights from Saint 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, momondo users made 832,500 searches. Data last updated August 12, 2025.
Use the filters below to find and compare flights from Saint John to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Thu 9/25

5:55 am-4:14 pm

2 stops14h 19m

$257

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Tue 11/18

12:00 pm-6:11 pm

3 stops34h 11m

$313

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Tue 11/18

11:55 am-10:31 pm

2 stops14h 36m

$349

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Thu 9/25

12:00 pm-9:02 pm

3 stops37h 02m

$408

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Thu 9/25

12:00 pm-9:02 pm

3 stops37h 02m

$418

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Thu 9/25

5:55 am-11:08 am

1 stop9h 13m

$463

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Thu 9/25

5:55 am-11:08 am

1 stop9h 13m

$464

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Saint John to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

The month of July is, on average, the cheapest month to fly to Las Vegas from Saint John, with most prices found around $304. The month of August is another great option to travel to Las Vegas, with average flight prices from Saint John averaging around $542.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $698. Flights from Saint John to Las Vegas on a Thursday will generally be more expensive and average around $965. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $685. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $698. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Saint John to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Saint John to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint John to Las Vegas (YSJ to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to Las Vegas

Fastest flight time

9h 13m

Direct flights

None

Airports in Las Vegas

1 airport
The fastest flight from Saint John to Las Vegas takes 9h 13m
There are no direct flights from Saint John to Las Vegas. Popular non-direct route for this connection is Saint John Airport - Las Vegas Harry Reid Intl Airport.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
  • How far is Saint John to Las Vegas Harry Reid Intl by plane?

    Saint John and Las Vegas Harry Reid Intl are 2601.1 mi apart from one another.

  • When did momondo last update prices for flights from Saint John Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Saint John Airport to Las Vegas Harry Reid Intl Airport were last updated today.

  • How old do you have to be to fly from Saint John Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint John Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The required travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Las Vegas?

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

Why use momondo?

Why should I use momondo to find a flight deal from Saint John to Las Vegas?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas from Saint John.

Can I find flights from Saint John to Las Vegas with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Saint John to Las Vegas flights to just show those with flexible booking policies.

How can momondo help me find flights from Saint John to Las Vegas?

Once all potential Saint John to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Saint John to Las Vegas right now. Can momondo alert me if prices change?

Price alerts on flights to Las Vegas from Saint John are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/17
Sun 8/24

Find better results for your trip to the United States