Cheap flights from Saint John to Las Vegas from $281

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 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 pm - 9:37 amYSJ-LAS
21h 22m2 stops
United Airlines Logo
9:56 am - 3:35 pmLAS-YSJ
25h 39m3 stops
$540United Airlines
Find Deal
Mon, Jan 19 - Wed, Jan 21
Air Canada Logo
4:15 pm - 10:24 pmYSJ-LAS
34h 09m2 stops
Air Canada Logo
9:00 am - 3:35 pmLAS-YSJ
26h 35m1 stop
$579Air Canada
Find Deal
Mon, Jan 19 - Wed, Jan 21
Air Canada Logo
11:30 am - 9:59 pmYSJ-LAS
14h 29m2 stops
Air Canada Logo
6:15 am - 11:29 pmLAS-YSJ
13h 14m2 stops
$619Air Canada
Find Deal
Mon, Jan 19 - Wed, Jan 21
United Airlines Logo
4:15 pm - 12:57 amYSJ-LAS
12h 42m2 stops
United Airlines Logo
9:56 am - 3:35 pmLAS-YSJ
25h 39m3 stops
$640United Airlines
Find Deal
Mon, Jan 19 - Wed, Jan 21
Air Canada Logo
11:30 am - 9:59 pmYSJ-LAS
14h 29m2 stops
Air Canada Logo
12:10 pm - 10:39 amLAS-YSJ
18h 29m1 stop
$654Air Canada
Find Deal
Mon, Jan 19 - Wed, Jan 21
Air Canada Logo
11:30 am - 9:59 pmYSJ-LAS
14h 29m2 stops
Air Canada Logo
12:10 pm - 10:39 amLAS-YSJ
18h 29m1 stop
$675Air Canada
Find Deal
Mon, Jan 19 - Wed, Jan 21

United Airlines flights from Saint John to Las Vegas

Our best United Airlines deals on Saint John to Las Vegas flight tickets
United Airlines
Jan 19
YSJ4:15 pmSaint John
21h 22m
2 stops
LAS9:37 amLas Vegas Harry Reid Intl
Jan 21
LAS9:56 amLas Vegas Harry Reid Intl
25h 39m
3 stops
YSJ3:35 pmSaint John
United Airlines
Jan 19
YSJ4:15 pmSaint John
12h 42m
2 stops
LAS12:57 amLas Vegas Harry Reid Intl
Jan 21
LAS9:56 amLas Vegas Harry Reid Intl
25h 39m
3 stops
YSJ3:35 pmSaint John

Air Canada flights from Saint John to Las Vegas

Our best Air Canada deals on Saint John to Las Vegas flight tickets
Air Canada
Jan 19
YSJ4:15 pmSaint John
34h 09m
2 stops
LAS10:24 pmLas Vegas Harry Reid Intl
Jan 21
LAS9:00 amLas Vegas Harry Reid Intl
26h 35m
1 stop
YSJ3:35 pmSaint John
Air Canada
Jan 19
YSJ11:30 amSaint John
14h 29m
2 stops
LAS9:59 pmLas Vegas Harry Reid Intl
Jan 21
LAS6:15 amLas Vegas Harry Reid Intl
13h 14m
2 stops
YSJ11:29 pmSaint John
Air Canada
Jan 19
YSJ11:30 amSaint John
14h 29m
2 stops
LAS9:59 pmLas Vegas Harry Reid Intl
Jan 21
LAS12:10 pmLas Vegas Harry Reid Intl
18h 29m
1 stop
YSJ10:39 amSaint John

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 November 26, 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

Mon 1/19

4:15 pm-9:37 am

2 stops21h 22m

Las Vegas Harry Reid Intl

Wed 1/21

9:56 am-3:35 pm

3 stops25h 39m

$540

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/19

4:15 pm-10:24 pm

2 stops34h 09m

Las Vegas Harry Reid Intl

Wed 1/21

9:00 am-3:35 pm

1 stop26h 35m

$579

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/19

11:30 am-9:59 pm

2 stops14h 29m

Las Vegas Harry Reid Intl

Wed 1/21

6:15 am-11:29 pm

2 stops13h 14m

$619

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/19

4:15 pm-12:57 am

2 stops12h 42m

Las Vegas Harry Reid Intl

Wed 1/21

9:56 am-3:35 pm

3 stops25h 39m

$640

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/19

11:30 am-9:59 pm

2 stops14h 29m

Las Vegas Harry Reid Intl

Wed 1/21

12:10 pm-10:39 am

1 stop18h 29m

$654

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Mon 1/19

11:30 am-9:59 pm

2 stops14h 29m

Las Vegas Harry Reid Intl

Wed 1/21

12:10 pm-10:39 am

1 stop18h 29m

$675

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Fri 1/9

12:00 pm-10:02 pm

2 stops38h 02m

$281

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Fri 1/9

12:00 pm-8:15 pm

3 stops36h 15m

$296

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Fri 1/9

4:15 pm-8:39 pm

1 stop8h 24m

$315

Saint JohnLas Vegas

YSJ - LAS

YSJLAS

Saint John

Tue 3/3

4:15 pm-8:15 pm

2 stops32h 00m

$342

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 $360.

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

12h 42m

Direct flights

None
The fastest flight from Saint John to Las Vegas takes 12h 42m
There are no direct flights from Saint John to Las Vegas. There are no popular flight routes from Saint John to Las Vegas.
  • 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. In terms of flight time, this usually takes a little over 12h 42m.

  • 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
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
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.

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Fri 12/26
Fri 1/2

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