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Cheap Flights from Ottawa (YOWA) to Las Vegas (LASA)

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Compare Ottawa to Las Vegas flight deals

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Flight deals from Ottawa to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Ottawa to Las Vegas? Find the lowest prices on one-way and return tickets right here.
Las Vegas.$315 per passenger.Departing Thu, 26 Jun, returning Thu, 3 Jul.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Thu, 26 Jun, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Las Vegas Harry Reid International on Thu, 3 Jul, arriving in Ottawa International.Price includes taxes and charges.From $315, select.
Las Vegas.$357 per passenger.Departing Fri, 25 Jul, returning Sat, 9 Aug.Return flight with United.Outbound indirect flight with United, departs from Ottawa International on Fri, 25 Jul, arriving in Las Vegas Harry Reid International.Inbound indirect flight with United, departs from Las Vegas Harry Reid International on Sat, 9 Aug, arriving in Ottawa International.Price includes taxes and charges.From $357, select.
Las Vegas.$365 per passenger.Departing Sun, 1 Jun, returning Fri, 6 Jun.Return flight with Porter Airlines (Canada) Ltd.Outbound direct flight with Porter Airlines (Canada) Ltd departs from Ottawa International on Sun, 1 Jun, arriving in Las Vegas Harry Reid International.Inbound direct flight with Porter Airlines (Canada) Ltd departs from Las Vegas Harry Reid International on Fri, 6 Jun, arriving in Ottawa International.Price includes taxes and charges.From $365, select.
Las Vegas.$365 per passenger.Departing Fri, 30 May, returning Fri, 6 Jun.Return flight with Porter Airlines (Canada) Ltd.Outbound direct flight with Porter Airlines (Canada) Ltd departs from Ottawa International on Fri, 30 May, arriving in Las Vegas Harry Reid International.Inbound direct flight with Porter Airlines (Canada) Ltd departs from Las Vegas Harry Reid International on Fri, 6 Jun, arriving in Ottawa International.Price includes taxes and charges.From $365, select.
Las Vegas.$424 per passenger.Departing Fri, 25 Jul, returning Mon, 28 Jul.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 25 Jul, arriving in Las Vegas Harry Reid International.Inbound indirect flight with WestJet, departs from Las Vegas Harry Reid International on Mon, 28 Jul, arriving in Ottawa International.Price includes taxes and charges.From $424, select.
Las Vegas.$442 per passenger.Departing Fri, 26 Sep, returning Wed, 1 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Fri, 26 Sep, arriving in Las Vegas Harry Reid International.Inbound indirect flight with WestJet, departs from Las Vegas Harry Reid International on Wed, 1 Oct, arriving in Ottawa International.Price includes taxes and charges.From $442, select.
Las Vegas.$455 per passenger.Departing Mon, 11 Aug, returning Fri, 15 Aug.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Mon, 11 Aug, arriving in Las Vegas Harry Reid International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Las Vegas Harry Reid International on Fri, 15 Aug, arriving in Ottawa International.Price includes taxes and charges.From $455, select.
Las Vegas.$459 per passenger.Departing Sun, 12 Oct, returning Wed, 15 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Ottawa International on Sun, 12 Oct, arriving in Las Vegas Harry Reid International.Inbound indirect flight with WestJet, departs from Las Vegas Harry Reid International on Wed, 15 Oct, arriving in Ottawa International.Price includes taxes and charges.From $459, select.

Find the cheapest month to fly from Ottawa to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Las Vegas flights are currently cheapest in June.
May
from $717
Jun
from $365
Jul
from $424
Aug
from $455
Sep
from $459
Oct
from $459
Nov
from $459
Dec
Find prices
Jan
Find prices
Feb
from $494
Mar
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Apr
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Direct flights from Ottawa to Las Vegas

Alternative Ottawa to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Ottawa to Las Vegas? You could fly into the following airports instead.

Ottawa to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$315
Cheapest month to flyJune
Average flight time5 hrs, 20 mins
Most popular airlinePorter Airlines (Canada) Ltd
Average flights per week5

Finding cheap flights from Ottawa to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from Ottawa to Las Vegas is $315. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 20 minutes is the average flight time from Ottawa to Las Vegas.
Porter Airlines (Canada) Ltd and Air Transat fly direct from Ottawa to Las Vegas.
As of May 2025, there are 5 flights per week flying from Ottawa to Las Vegas.
The cheapest month to fly from Ottawa to Las Vegas is usually May 2025.
If you're flying from Ottawa, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $315.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Las Vegas on Thursday, 26 June 2025.
Yes – the average flight time is 5 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 21°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
The cheapest airline that flies to Las Vegas is Porter Airlines (Canada) Ltd .

Travelling from Ottawa to Las Vegas: what you need to know

  • Ottawa's main base, Ottawa/Macdonald-Cartier International Airport (YOW), is where plenty of awesome adventures begin. Explore your departure choices from here for your flight from Ottawa to Las Vegas.

  • Come in for landing at Las Vegas's primary gateway, Harry Reid Airport (formerly McCarran Airport) (LAS).

  • Around 5 hours 20 minutes is how long you can expect to be in the air on a direct Ottawa to Las Vegas flight.

  • Leave plenty of time to get on your Ottawa to Las Vegas flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Delays at security and check-in are likely if you're jetting off during high season, so give yourself a bit more breathing room. A good general rule for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

How to find the cheapest flights from Ottawa to Las Vegas

  • Lock in cheap Ottawa to Las Vegas flights by booking one month ahead. According to our research, that's the ideal time for picking up a bargain.

  • Schedule your trip for April. That's the best month for landing an incredible deal on plane tickets from Ottawa to Las Vegas. If your travel dates are flexible, use the 'Whole month' tool to see the lowest price across every month.

  • Getting a cheap flight from Ottawa to Las Vegas is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a better deal is available.

  • Tailor your travel plans using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Ottawa to Las Vegas flights.

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Jet off from Ottawa/Macdonald-Cartier International Airport (YOW) on a nonstop flight from Ottawa to Las Vegas. From YOW, you can fly straight to Harry Reid Airport (formerly McCarran Airport) (LAS).

  • Look out for deals with Porter Airlines. This carrier offers direct Ottawa to Las Vegas plane tickets out of YOW.

  • Located around 11 kilometres from the centre of Ottawa, YOW can be reached in about 20 minutes by car, depending on traffic. The journey by public transport takes roughly 45 minutes.

  • Want a stress-free start to your trip? Stay near Ottawa/Macdonald-Cartier International Airport. Whether you're taking an early flight from Ottawa to Las Vegas or want to avoid feeling rushed, these hotels have you covered:

  • 58.21% of flights that take off from Ottawa/Macdonald-Cartier International Airport land at their destination on schedule.

  • YOW's address is 50 Airport Road.

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

Best time to go to Las Vegas

  • It's time to pick your trip dates for your flight from Ottawa to Las Vegas. October is the most popular month to visit Las Vegas. If you like a more relaxed vibe, go in May.

  • When booking your Ottawa to Las Vegas tickets, consider the weather you're most comfortable in. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 42ºC (108ºF).

  • January has average temperatures of between -1ºC (30ºF) and 13ºC (55ºF). Look for cheap flights from Ottawa to Las Vegas around that time if you like cooler conditions.

More about Las Vegas

Explore more of United States

  • Las Vegas has plenty going for it, but there are so many other corners of United States just waiting to be explored. About 370 kilometres south-west of Las Vegas, a trip to Los Angeles will keep you on the move. Check out popular attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 418 kilometres south-east of Las Vegas, Phoenix is another favourite stop in United States. Experience this destination's highlights firsthand at Desert Botanical Garden, Heard Museum and Papago Park.

Plan the rest of your trip from Ottawa to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.