YOW - LAS

C$ 207 Find Cheap Flights from Ottawa to Las Vegas – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 311
Typical prices: C$ 463-C$ 750
WestJet
Mon 22/10Sun 28/10
YOW - LAS • 1 stop
Cheapest one-way flights
C$ 207
Typical prices: C$ 263-C$ 455
WestJet
Tue 23/10
YOW - LAS • 2 stops
Direct flights
There are currently no direct flights between Ottawa and Las Vegas. You'll need to take a connecting flight to reach the destination.
Insights
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When to book
in advance
Our data shows that travellers who book at least 21 weeks in advance save around 61% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 11% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 363 (round-trip)
Shortest trip • 8h 00m (one-way)
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Insights
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We hope you enjoy your trip to Las Vegas!
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Expert advice
Flight Deals

Cheap Flights from Ottawa to Las Vegas (YOW-LAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ottawa to Las Vegas

Thu, 22 Oct - Wed, 28 Oct
WestJet Logo
12:25 p.m. - 6:30 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
9h 05m1 stop Winnipeg
WestJet Logo
12:50 p.m. - 1:00 a.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
9h 10m1 stop Calgary
C$ 311WestJet
Thu, 22 Oct - Fri, 30 Oct
WestJet Logo
12:25 p.m. - 6:30 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
9h 05m1 stop Winnipeg
WestJet Logo
12:50 p.m. - 1:00 a.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
9h 10m1 stop Calgary
C$ 313WestJet
Sat, 3 Oct - Tue, 20 Oct
Air Canada Logo
5:50 p.m. - 10:23 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
7h 33m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:25 p.m. - 10:21 a.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
7h 56m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 367Air Canada
Tue, 27 Oct - Fri, 30 Oct
United Airlines Logo
6:15 a.m. - 3:12 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
11h 57m2 stops Chicago O'Hare Intl Los Angeles
United Airlines Logo
6:00 a.m. - 9:16 p.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
12h 16m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
C$ 388United Airlines
Tue, 27 Oct - Fri, 30 Oct
United Airlines Logo
3:10 p.m. - 11:15 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
11h 05m1 stop Newark
United Airlines Logo
11:45 p.m. - 3:07 p.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
12h 22m1 stop Washington, D.C. Dulles Intl
C$ 388United Airlines
Thu, 10 Dec - Mon, 14 Dec
Multiple Airlines Logo
4:15 p.m. - 9:55 a.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
20h 40m2 stops Calgary Vancouver Intl
Multiple Airlines Logo
2:35 p.m. - 12:50 a.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
7h 15m1 stop Toronto Pearson Intl
C$ 388Multiple Airlines
Sat, 3 Oct - Tue, 20 Oct
Air Canada Logo
5:50 p.m. - 10:23 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
7h 33m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:25 p.m. - 10:21 a.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
7h 56m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 389Air Canada
Sun, 6 Dec - Thu, 10 Dec
Multiple Airlines Logo
5:30 a.m. - 3:55 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
13h 25m2 stops Toronto Pearson Intl Calgary
Multiple Airlines Logo
7:20 a.m. - 10:32 p.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
12h 12m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
C$ 393Multiple Airlines
Fri, 16 Oct - Mon, 19 Oct
Porter Airlines Logo
4:00 p.m. - 10:22 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
9h 22m1 stop Toronto Pearson Intl
Porter Airlines Logo
11:20 p.m. - 8:10 p.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
17h 50m2 stops Toronto Pearson Intl Kelowna
C$ 401Porter Airlines
Fri, 16 Oct - Mon, 19 Oct
Porter Airlines Logo
4:00 p.m. - 10:22 p.m.YOW  Ottawa-LAS Las Vegas Harry Reid Intl
9h 22m1 stop Toronto Pearson Intl
Porter Airlines Logo
11:20 p.m. - 2:49 p.m.LAS  Las Vegas Harry Reid Intl-YOW Ottawa
12h 29m2 stops Toronto Pearson Intl Halifax Intl
C$ 404Porter Airlines
Booking Insights

Price, demand, and travel trends for Ottawa to Las Vegas flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Ottawa to Las Vegas with more confidence.

How much is a round-trip flight from Ottawa to Las Vegas?

Round-trip flights from Ottawa to Las Vegas start at C$ 311. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 463 to C$ 750. The lowest price found in the past 5 days was C$ 311 on WestJet.

What's the cheapest day of the week to fly from Ottawa to Las Vegas?

Tuesday is the cheapest day of the week to fly from Ottawa to Las Vegas and is 9% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Ottawa to Las Vegas?

  • November is the cheapest month to fly from Ottawa to Las Vegas at C$ 510 round-trip.
  • August (C$ 758) and May (C$ 672) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 48% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Ottawa to Las Vegas the cheapest?

Flights from Ottawa to Las Vegas are cheapest 21 weeks before departure. Booking in this window typically costs about 61% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Ottawa to Las Vegas

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Mark Stachiew

Mark Stachiew

Expert on YOW

Mark Stachiew has been exploring the world and writing about it for more than 30 years. His travel stories have appeared in numerous newspapers, magazines and online publications in Canada, the United States and beyond.

Harriet Baskas

Harriet Baskas

Expert on LAS

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for Ottawa to Las Vegas flights

Low season

February

Cheapest flight

C$ 207
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flights from Ottawa to Las Vegas

When to book flights from Ottawa to Las Vegas

Are your dates flexible? Find out the best times to travel from Ottawa to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ottawa to Las Vegas flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • How do I get to Ottawa Airport using public transportation?

    Bus 97 by OC Transpo services Ottawa Airport, linking it with the downtown area as frequently as every 10min during peak hours. A one-way trip costs C$ 3.55, and the trip from the downtown area to the airport takes about 30min. The bus operates 24h a day Monday to Saturday, and from 6:00 am to around 2:00 am on Sundays.

  • Are there any airport lounges at Ottawa Airport?

    If you prefer waiting for your flight from Ottawa to Las Vegas in a quiet area, head to the Air Canada Maple Leaf Lounge which has locations in both the domestic and international terminals. It is accessible with a lounge membership, and offers beverages, refreshments, workstations, a printer and copier, and entertainment such as a TV and newspapers.

  • How do I get from Las Vegas McCarran Airport to the city centre using public transportation?

    The following bus lines service the airport and connect it with the Bonneville Transit Center in the downtown area in about half an hour, for a one-way cost of $6 (about C$ 8). If you arrive in Terminal 1, look for bus routes 108, 109 or the Westcliff Airport Express, and if you arrive in Terminal 3, you can hop on the Centennial Express or the Westcliff Airport Express from the departures level.

  • How much is a taxi from Las Vegas McCarran Airport?

    All taxi fares from the airport are metred. If you are heading to the hotels in the South Strip or the Center Strip, expect to pay between $12 (C$ 16) and $16 (C$ 22), while if you are going to the downtown area the trip should cost around $24 (C$ 32). Taxis are easily available from outside the airport on the arrivals level, as there are over 10 taxi companies servicing the airport.

  • Which airports can I use when flying from Ottawa to Las Vegas?

    Flights from Ottawa to Las Vegas usually depart from Ottawa (YOW) and arrive at Las Vegas Harry Reid Intl (LAS).

  • Which cabin classes can I book on flights from Ottawa to Las Vegas?

    Four cabin classes are available on flights from Ottawa to Las Vegas:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Ottawa to Las Vegas?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 363 round-trip via Edmonton (YEG), compared to C$ 467 for direct.

  • Which airports do connecting flights from Ottawa to Las Vegas pass through?

    One-stop flights from Ottawa to Las Vegas most commonly connect through:

    • Toronto Pearson Intl (YYZ) – 60% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 16% of one-stop connections
    • Calgary (YYC) – 16% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) – 3% of one-stop connections

    Toronto Pearson Intl (YYZ) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Ottawa to Las Vegas?

    Yes. Being flexible with your travel dates can save you up to 17% on the Ottawa to Las Vegas route. Tuesday is the cheapest departure day at C$ 525 round-trip on average, while Friday is the most expensive at C$ 632, a difference of C$ 107. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in Las Vegas?

    Some of the most popular sights in Las Vegas are Fremont Street Experience, Las Vegas Convention Center, and The Venetian. These are among the most viewed places in Las Vegas on KAYAK.

  • How expensive are last-minute Ottawa to Las Vegas flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 71% above the route average of C$ 574. Book 21 weeks before departure for the lowest fares.

  • How long does a flight from Ottawa to Las Vegas take?

    A direct flight from Ottawa to Las Vegas takes 0h 00m, covering 5,539 km.

  • Do I need a passport to fly from Ottawa to Las Vegas?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Ottawa to Las Vegas changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 311 to C$ 2,516. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Ottawa to Las Vegas looking right now?

    One-way fares from Ottawa to Las Vegas are currently lower than usual. Average one-way flight prices are about C$ 251, which is 28% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Ottawa to Las Vegas?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 8h 00m, compared with 8h 10m via Chicago O'Hare Intl (ORD) and 8h 12m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Ottawa and Las Vegas?

    Las Vegas is 3 hours behind Ottawa (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Las Vegas Harry Reid Intl Airport (LAS)?

    Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car rental companies, with daily rates starting from around C$ 12 for economy cars. Top options include:
    • Easirent
    • Ace
    • Fox
    • Dollar
    • Thrifty

  • How much should I expect to pay for a Ottawa to Las Vegas flight?

    Round-trip flights from Ottawa to Las Vegas range from C$ 463 to C$ 750, with an average of C$ 574 over the past 12 months. Anything below C$ 463 counts as a good deal.

Your guide to booking Ottawa to Las Vegas flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average C$ 525 – about C$ 107 less than Friday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 61% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ottawa to Las Vegas trip for November. Fares historically average C$ 510 round-trip in that month – typically C$ 249 less than the most expensive month, which is August (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Edmonton Airport (YEG) can be cheaper than flying direct. The cheapest layover option averages C$ 363 round-trip on this route – about C$ 104 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Las Vegas Harry Reid Intl Airport.
    - Four Seasons Hotel Las Vegas
    - The Reserve at Park MGM
    - The Signature at MGM Grand (All Suites)
  • If you are travelling with pets, you will find 2 indoor animal relief areas at Las Vegas McCarran Airport (LAS), in Terminal 1 next to the gates and in Terminal 3 next to the E gates area. In addition, there are outdoor animal relief areas outside of Terminal 1 after the baggage carousel area, and outside of Terminal 3 on the departures level.
  • Head to the ZEROlevel Fitness Gym located in Terminal 1 of Las Vegas McCarran Airport at the Esplanade if you wish to freshen up and have a shower, enjoy the sauna, or if you would like to stretch your legs and exercise following your flight from Ottawa to Las Vegas. It is open 24h a day on weekdays, and from 8:00 am to 6:00 pm on weekends.
  • Start your holiday immediately upon arrival at Las Vegas McCarran Airport with one of the many slot machines available throughout the airport. You must be over 21 years of age to use them.
  • Passengers travelling with kids can take their little ones to the children’s play room located near Gate 19 of Ottaway Airport (YOW) before their flight from Ottawa to Las Vegas.
  • If you are hungry upon arrival at Las Vegas McCarran Airport, there are multiple food options spread throughout the airport, both in the gated and public areas. Passengers on late night flights from Ottawa to Las Vegas can head to Jersey Mike’s Subs or Nathan’s Famous, both located in Terminal 1 at the C Gates, as they are open 24h a day.

More options for your flight from Ottawa to Las Vegas

Complete your trip to Las Vegas with a hotel stay or car rental