Cheap flights from Ottawa to Mountain States

View AU$290 flight on Mon, 1 Sep. 2025Opens in a new window

Popular airlines from Ottawa to Mountain States

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Ottawa (YOW) to Mountain States (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 1 Sep. - Mon, 8 Sep.
YOW
Ottawa
LAS
Las Vegas
AU$504 Return, found 6 days ago
AU$504
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Ottawa to Las Vegas, returning Mon, 8 Sep., priced at AU$504 found 6 days ago
Air Canada
Mon, 1 Sep. - Mon, 8 Sep.
YOW
Ottawa
LAS
Las Vegas
AU$505 Return, found 6 days ago
AU$505
Return
found 6 days ago
Select Air Canada flight, departing Mon, 1 Sep. from Ottawa to Las Vegas, returning Mon, 8 Sep., priced at AU$505 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
YOW
Ottawa
LAS
Las Vegas
AU$514 Return, found 6 days ago
AU$514
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Ottawa to Las Vegas, returning Mon, 8 Sep., priced at AU$514 found 6 days ago
WestJet
Mon, 1 Sep. - Mon, 8 Sep.
YOW
Ottawa
LAS
Las Vegas
AU$516 Return, found 6 days ago
AU$516
Return
found 6 days ago
Select WestJet flight, departing Mon, 1 Sep. from Ottawa to Las Vegas, returning Mon, 8 Sep., priced at AU$516 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
YOW
Ottawa
LAS
Las Vegas
AU$533 Return, found 6 days ago
AU$533
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from Ottawa to Las Vegas, returning Mon, 8 Sep., priced at AU$533 found 6 days ago
Porter Airlines
Mon, 1 Sep. - Mon, 8 Sep.
YOW
Ottawa
LAS
Las Vegas
AU$535 Return, found 6 days ago
AU$535
Return
found 6 days ago
Select Porter Airlines flight, departing Mon, 1 Sep. from Ottawa to Las Vegas, returning Mon, 8 Sep., priced at AU$535 found 6 days ago

Find the cheapest month to fly from Ottawa (YOW) to Las Vegas (LAS)

March is typically the cheapest month to fly

From AU$295 - AU$540 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.