Title: Cheap Flights from Ottawa (YOW) to Posadas (PSS) - Expedia.ca ![Rock formation "El Arco" at Lake Posadas, Argentina](https://images.trvl-media.com/place/2887/d836a022-182c-4be3-ade6-4b3bb9158f9d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2887/d836a022-182c-4be3-ade6-4b3bb9158f9d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ottawa (YOW) to Posadas (PSS) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Ottawa to Posadas (PSS-Libertador General Jose de San Martin) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PSS,departure:30/01/2026TANYT&leg2=from:PSS,to:YOW,departure:06/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) __Flight from Ottawa to Posadas (YOW - PSS) route information__ | Origin airport | Macdonald-Cartier Intl. | | ------------------- | ------------------------------------- | | Destination airport | Libertador General Jose de San Martin | | Distance | 8279 km | ## Ottawa to Posadas Flights **The easy way to book your flights from Ottawa to Posadas** With Expedia, it’s simple to find and book flights to Posadas from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Libertador General Jose de San Martin, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Posadas today, tomorrow, or this week. **Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Libertador General Jose de San Martin, PSS** Sort your search results by price to find great deals on your flight from Ottawa to Posadas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Posadas from Ottawa currently is just rising to . Here are more money-saving tips: - Fly in when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Posadas - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Posadas from Ottawa** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Posadas with Expedia today. ## Frequently asked questions ### How much is a flight from YOW to Posadas Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Ottawa Intl. Airport to Libertador General Jose de San Martin Airport (PSS)? ### How do I find cheap flights from Macdonald-Cartier Intl. Airport (YOW) to Posadas Airport that have flexible change policies? ### How far is the flight from YOW to Libertador General Jose de San Martin Airport (PSS)? ### Which airlines fly direct from YOW to Libertador General Jose de San Martin Airport (PSS)? ### Are YOW to Libertador General Jose de San Martin Airport (PSS) flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [5 Star Hotels in Puerto Rico ](https://www.expedia.ca/5Star-Puerto-Rico-Hotels.s50-0-d6144162.Travel-Guide-Filter-Hotels) - [Alicia Alta Hotels ](https://www.expedia.ca/Alicia-Alta-Hotels.d553248634664657367.Travel-Guide-Hotels) - [Apostoles Hotels ](https://www.expedia.ca/Apostoles-Hotels.d6229964.Travel-Guide-Hotels) - [Aristóbulo del Valle Hotels ](https://www.expedia.ca/Aristobulo-Del-Valle-Hotels.d3000007401.Travel-Guide-Hotels) - [Azara Hotels ](https://www.expedia.ca/Azara-Hotels.d553248634664651167.Travel-Guide-Hotels) - [Caá Yarí Hotels ](https://www.expedia.ca/Caa-Yari-Hotels.d553248635924012247.Travel-Guide-Hotels) - [Campo Viera Hotels ](https://www.expedia.ca/Campo-Viera-Hotels.d553248635924011319.Travel-Guide-Hotels) - [Capiovi Hotels ](https://www.expedia.ca/Capiovi-Hotels.d6360107.Travel-Guide-Hotels) - [Cerro Azul Hotels ](https://www.expedia.ca/Cerro-Azul-Hotels.d553248635924011657.Travel-Guide-Hotels) - [Colonia Finlandesa Hotels ](https://www.expedia.ca/Colonia-Finlandesa-Hotels.d3000007373.Travel-Guide-Hotels) - [Corpus Christi Hotels ](https://www.expedia.ca/Corpus-Christi-Hotels.d553248635924011723.Travel-Guide-Hotels) - [Departamento Oberá Hotels ](https://www.expedia.ca/Destinations-In-Departamento-Obera.d553248635975749036.Hotel-Destinations) - [Lgbt Friendly Hotels in Misiones Province ](https://www.expedia.ca/Destinations-In-Misiones-Province-LGBT-Friendly-Hotel.0-0-d6232393-tLGBTFriendlyHotel.Hotel-Filter-Destinations) - [Misiones Province Hotels ](https://www.expedia.ca/Destinations-In-Misiones-Province.d6232393.Hotel-Destinations) - [Veinticinco de Mayo Department Hotels ](https://www.expedia.ca/Destinations-In-Veinticinco-De-Mayo-Department.d553248635975749329.Hotel-Destinations) - [Dos de Mayo Hotels ](https://www.expedia.ca/Dos-De-Mayo-Hotels.d3000007356.Travel-Guide-Hotels) - [Fachinal Hotels ](https://www.expedia.ca/Fachinal-Hotels.d553248635924011744.Travel-Guide-Hotels) - [General Alvear Hotels ](https://www.expedia.ca/General-Alvear-Hotels.d553248635924011883.Travel-Guide-Hotels) - [Itacaruaré Hotels ](https://www.expedia.ca/Itacaruare-Hotels.d553248634664569155.Travel-Guide-Hotels) - [Jardín América Hotels ](https://www.expedia.ca/Jardin-America-Hotels.d3000007315.Travel-Guide-Hotels) - [Leandro N. 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