Ontario

=== Air travel ===
[[File:Toronto Pearson International Airport - panoramio.jpg|thumb|[[Airport apron]] of Pearson Airport, Canada's busiest airport. Control tower visible in background.]]
{{As of|October 2023}}, there are two [[Transport Canada]] designated [[List of international airports in Canada|international airports in Ontari]]o<ref name=TCAC>{{cite web|url=https://tc.canada.ca/en/aviation/reference-centre/advisory-circulars/advisory-circular-ac-no-302-032#toc55 |title=Advisory Circular (AC) No. 302-032 - Subject: Designation of International Airports in Canada|publisher=[[Transport Canada]]|access-date=October 7, 2023|date=August 22, 2023|archive-url=https://web.archive.org/web/20230629134943/https://tc.canada.ca/en/aviation/reference-centre/advisory-circulars/advisory-circular-ac-no-302-032 |archive-date=June 29, 2023|url-status=live}}</ref> They are [[Toronto Pearson International Airport]], the [[List of the busiest airports in Canada|busiest airport in Canada]],<ref name="busy">{{cite web |url=https://www150.statcan.gc.ca/n1/daily-quotidien/230728/t001c-eng.htm |title=Table 1 Passengers enplaned and deplaned at the top four Canadian airports|date=July 28, 2023 |publisher=[[Statistics Canada]]|access-date=October 7, 2023 |url-status=live |archive-url=https://web.archive.org/web/20231007153309/https://www150.statcan.gc.ca/n1/daily-quotidien/230728/t001c-eng.htm |archive-date=October 7, 2023}}</ref> handling almost 35 million passengers in 2022<ref name="move"/> and [[Ottawa Macdonald–Cartier International Airport]], Ontario's second largest airport, handling over 2.5 million passengers in 2022.<ref name="move">{{Cite web|url=https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=2310025301&cubeTimeFrame.startYear=2021&cubeTimeFrame.endYear=2022&referencePeriods=20210101%2C20220101 |title=Air passenger traffic at Canadian airports, annual|date=July 28, 2023|access-date=October 7, 2023|publisher=Statistics Canada |archive-date=October 7, 2023|archive-url=https://web.archive.org/web/20231007154616/https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=2310025301&cubeTimeFrame.startYear=2021&cubeTimeFrame.endYear=2022&referencePeriods=20210101%2C20220101 |url-status=live }}</ref> In addition to airports in Ottawa, and Toronto, the province also operates 11 other [[Port of entry#Airport of entry|airports of entry]].<ref>{{Cite web |url=https://www.cbsa-asfc.gc.ca/do-rb/services/aoe-eng.html |title=Directory of CBSA Offices and Services, Airport of Entry (AOE) |date=September 29, 2023 |access-date=October 7, 2023 |website=[[Canadian Border Services Agency]] |archive-date=May 22, 2023 |archive-url=https://web.archive.org/web/20230522220400/https://www.cbsa-asfc.gc.ca/do-rb/services/aoe-eng.html |url-status=live }}</ref>

A number of Ontario cities also have regional airports,<ref>{{Cite web |title=Transportation |url=https://www.destinationontario.com/en-ca/travel-resources/transportation |access-date=2023-10-06 |website=Destination Ontario |archive-date=October 7, 2023 |archive-url=https://web.archive.org/web/20231007182637/https://www.destinationontario.com/en-ca/travel-resources/transportation |url-status=live }}</ref> many of which have scheduled commuter flights from [[Air Canada Jazz|Jazz Aviation]] or smaller airlines and charter companies&nbsp;– flights from mid-size cities such as [[Greater Sudbury|Sudbury]] and [[Sault Ste. Marie, Ontario|Sault Ste. Marie]], to larger airports in Toronto and Ottawa.<ref>{{cite news | url=http://www.saultstar.com/2015/02/28/tsb-probes-sault-landing | archive-url=https://web.archive.org/web/20150321184613/http://www.saultstar.com/2015/02/28/tsb-probes-sault-landing | url-status=dead | archive-date=21 March 2015 | title=TSB probes Sault landing | publisher=[[Sault Star]] | date=28 February 2015 | access-date=2015-04-06 }}</ref><ref>{{Cite web|url=https://www.cbc.ca/news/canada/toronto/air-canada-jazz-fuel-tanker-truck-pearson-collision-1.5130624|title=Air Canada plane, fuel tanker truck collide at Pearson|access-date=October 6, 2023|archive-date=May 10, 2019|archive-url=https://web.archive.org/web/20190510135045/https://www.cbc.ca/news/canada/toronto/air-canada-jazz-fuel-tanker-truck-pearson-collision-1.5130624|url-status=live}}</ref> [[Bearskin Airlines]] also runs flights along the northerly east–west route, connecting North Bay, Sudbury, Sault Ste. Marie, and Thunder Bay directly.<ref>{{Cite web |title=Bearskin Airlines - Route Map |url=https://www.bearskinairlines.com/article/route-map-262.asp |access-date=2023-10-06 |website=www.bearskinairlines.com |archive-date=May 30, 2023 |archive-url=https://web.archive.org/web/20230530234554/https://www.bearskinairlines.com/article/route-map-262.asp |url-status=live }}</ref>

[[Remote and isolated community|Remote and isolated towns and settlements]] in the northern areas of the province rely partly or entirely on [[airline|air service]] for travel, goods, and even [[air ambulance|ambulance]] services ([[Medical evacuation|MEDIVAC]]), since much of the far northern area of the province cannot be reached by road (or by year-round road) or rail.<ref>{{Cite web |title=Connecting the North: A Draft Transportation Plan for Northern Ontario {{!}} ontario.ca |url=http://www.ontario.ca/page/connecting-north-draft-transportation-plan-northern-ontario |access-date=2023-10-06 |website=www.ontario.ca |archive-date=May 23, 2023 |archive-url=https://web.archive.org/web/20230523163654/https://www.ontario.ca/page/connecting-north-draft-transportation-plan-northern-ontario |url-status=live }}</ref>