Over 65 airlines operate out of Toronto Pearson. Check here to see what terminal they operate from and which destinations they fly to.

AIRLINE CODE TERMINAL ALLIANCE/CODESHARE
Aer Lingus EIN / EI 3
Air Canada Rouge ROU / RV 1 Star Alliance
Air Canada ACA / AC 1 Star Alliance
Air China CCA / CA 1 Air Canada/Star Alliance
Air France AFR / AF 3 Skyteam
AeroMexico AMX/AM 3 Sky Team
Air New Zealand ANZ / NZ 1 Star Alliance / Air Canada
Air Transat TSC / TS 3
Alaska Airlines ASA / AS 3 American Airlines
Alitalia AZA / AZ 3 Skyteam
All Nippon Airways ANA / NH 1 Star Alliance / Air Canada
American Airlines AAL / AA 3 oneworld / WestJet
Asiana Airlines AAR / OZ 1 Star Alliance / Air Canada
Austrian AUA / OS 1 Star Alliance
Avianca AVA / AV 1 Air Canada/Star Alliance
Azores Airlines RZ0 / S4 3
British Airways BAW / BA 3 oneworld
Brussels Airlines BEL / SN 1 Star Alliance
Caribbean Airlines BWA / BW 3
Cathay Pacific Cargo CPA / CX Vista Cargo
Cathay Pacific CPA / CX 3 oneworld
China Eastern CES / MU 3 Skyteam
China Southern Airlines CSN / CZ 3 Skyteam
Condor CFG / DE 3
Copa Airlines CM/CMP 1 Star Alliance
Cubana Airlines Cargo CUB / CU Vista Cargo
Cubana CUB / CU 3
Delta DAL / DL 3 Skyteam
Egyptair MSR / MS 1 Star Alliance
EL AL ELY / LY 3
Emirates UAE / EK 1
Ethiopian Airlines ETH/ET 1 Star Alliance
Etihad Airways ETD / EY 3
EVA AIR EVA / BR 1 Star Alliance
Fedex Cargo FDX / FX Cargo North
Fly Jamaica FJM / OJ 3
Hainan Airlines CHH / HU 3
Iberia IBE / IB 3 oneworld / British Airways
Icelandair ICE / FI 3
Interjet AIJ / 4O 3 Star Alliance
Japan Airlines JAL / JL 3 oneworld / American Airlines
Jet Airways JAI / 9W 3
KLM KLM / KL 3 Skyteam
Korean Air Cargo KAL / KE Cargo West
Korean Air KAL / KE 3 Skyteam
LAN Airlines LAN / LA 3 oneworld / American Airlines
LOT Polish Airlines LOT / LO 1 Star Alliance
Lufthansa Cargo DLH / LH Cargo West
Lufthansa DLH / LH 1 Star Alliance
Miami Air International BSK / GL 3
Pakistan International PIA / PK 3
Philippine Airlines PAL / PR 3
Qantas QFA / QF 3 oneworld / American Airlines
SAS Scandinavian SAS / SK 1 Star Alliance / Air Canada
SAUDIA SVA / SV 3 Skyteam
Singapore Airlines SIA / SQ 1 Star Alliance / Air Canada
Sunwing Airlines SWG / WG 3
Swiss International Air Lines SWR / LX 1 Star Alliance / Air Canada
Thai Airways International THA / TG 1 Star Alliance / Air Canada
TAP Portugal TAP / TP 1 Star Alliance
Turkish Airlines THY / TK 1 Star Alliance
United Parcel Services UPS / 5X Vista Cargo Star Alliance
United UAL / UA 1 Star Alliance
WestJet WJA / WS 3 American Airlines
DESTINATION AIRPORT CODE CARRIER
Abbotsford, British Columbia CYXX  Air Canada, WestJet
Calgary, Alberta CYYC  Air Canada, Air Transat, WestJet
Charlottetown, P.E.I. CYYG  Air Canada, WestJet
Deer Lake, Newfoundland CYDF  Air Canada, WestJet
Edmonton, Alberta CYEG  Air Canada, Westjet
Fort McMurray, Alberta CYMM  Air Canada, Westjet
Fredericton, New Brunswick CYFC  Air Canada,Westjet
Gander, Newfoundland CYQX  Air Canada, Westjet
Halifax, Nova Scotia CYHZ  Air Canada, Westjet
Kelowna, British Columbia CYLW  Air Canada, Westjet
Kingston, Ontario CYGK  Air Canada
London, Ontario CYXU  Air Canada, Westjet
Moncton, New Brunswick CYQM  Air Canada, WestJet
Montreal, Quebec CYUL  Air Canada, Air Transat, Sunwing, WestJet
North Bay, Ontario CYYB  Air Canada
Ottawa, Ontario CYOW  Air Canada, WestJet
Quebec City, Quebec CYQB  Air Canada, WestJet
Regina, Saskatchewan CYQR  Air Canada, WestJet
Saint John, New Brunswick CYSJ  Air Canada
Sarnia, Ontario CYZR  Air Canada
Saskatoon, Saskatchewan CYXE  Air Canada, WestJet
SS.Marie, Ontario CYAM  Air Canada
St.John’s, Newfoundland CYYT  Air Canada, Sunwing, WestJet
Sudbury, Ontario CYSB  Air Canada, WestJet
Sydney, Nova Scotia CYQY  Air Canada, WestJet
Thunder Bay, Ontario CYQT  Air Canada, WestJet
Timmins, Ontario CYTS  Air Canada
Vancouver, British Columbia CYVR  Air Canada, Air Transat, Sunwing, WestJet
Victoria, British Columbia CYYJ  Air Canada, WestJet
Windsor, Ontario CYQG  Air Canada
Winnipeg, Manitoba CYWG  Air Canada, WestJet
DESTINATION AIRPORT CODE CARRIER
Atlanta, Georgia KATL  Air Canada, Delta
Austin, Texas KAUS  Air Canada
Baltimore, Maryland KBWI  Air Canada
Boston, Massachusetts KBOS  Air Canada, WestJet
Charlotte, North Carolina KCLT  Air Canada, American Airlines
Chicago-O’Hare, llinois KORD  Air Canada, American Airlines, United
Cincinnati, Ohio KCVG  Air Canada, Delta
Cleveland, Ohio KCLE  Air Canada
Columbus, Ohio KCMH  Air Canada
Dallas/Ft. W, Texas KDFW  Air Canada, American Airlines
Denver, Colorado KDEN  Air Canada, United
Detroit, Michigan KDTW  Air Canada, Delta
Fort Lauderdale, Florida KFLL  Air Canada, Air Transat, WestJet
Fort Myers, Florida KRSW  Air Canada, WestJet
Harrisburg, Pennsylvania KMDT  Air Canada
Hartford, Connecticut KBDL  Air Canada
Houston, Texas KIAH  Air Canada, United
Indianapolis, Indiana KIND  Air Canada
Jacksonville, Florida KJAX  Air Canada
Kansas City, Missouri KMCI  Air Canada
Las Vegas, Nevada KLAS  Air Canada, WestJet
Los Angeles, California KLAX  Air Canada, American Airlines, WestJet
Memphis, Tennessee KMEM  Air Canada
Miami, Florida KMIA  Air Canada, American Airlines, WestJet
Milwaukee, Wisconsin KMKE  Air Canada
Minneapolis, Minnesota KMSP  Air Canada, Delta
Myrtle Beach, South Carolina KMYR  WestJet
Nashville, Tennessee KBNA  Air Canada, WestJet
New Orleans, Louisiana KMSY  Air Canada
New York-JFK, New York KJFK American Airlines, Delta
New York-LGA, New York KLGA  Air Canada, American Airlines, WestJet
Newark, New Jersey KEWR Air Canada, United
Orlando, Florida KMCO  Air Canada, Air Transat, Sunwing, WestJet
Philadelphia, Pennsylvania KPHL  Air Canada, American Airlines
Phoenix, Arizona KPHX  Air Canada, WestJet
Pittsburgh, Pennsylvania KPIT  Air Canada
Portland, Oregon KPDX  Air Canada
Raleigh, North Carolina KRDU  Air Canada
Rochester, New York KROC  Air Canada
Salt Lake City, Utah KSLC  Air Canada, Delta
San Francisco, California KSFO  Air Canada
San Juan, Puerto Rico KSJU WestJet
San Diego, California KSAN  Air Canada
Sarasota, Florida KSRQ  Air Canada
Seattle, Washington KSEA  Air Canada
St. Louis, Missouri KSTL  Air Canada
Syracuse, New York KSYR  Air Canada
Tampa, Florida KTPA  Air Canada, WestJet
Washington-DCA, Virginia KDCA  Air Canada, American Airlines
Washington-IAD, Virginia KIAD  Air Canada, United
West Palm Beach, Florida KPBI  Air Canada
DESTINATION AIRPORT CODE CARRIER
Abu Dhabi, United Arab Emirates AUH Etihad Airways
Addis Ababa, Ethiopia ADD Ethiopian Airlines
Amsterdam, Netherlands AMS Air Canada, Air Transat, Jet Airways, KLM
Antigua and Barbuda ANU Air Canada, Sunwing, WestJet
Aruba AUA Air Canada, Sunwing, WestJet
Athens, Greece ATH Air Canada, Air Transat
Barbados, Barbados BGI Air Canada, WestJet
Barcelona, Spain BCN Air Canada, Air Transat
Beijing, People’s Republic. of China PEK Air Canada, Hainan Airlines
Berlin, Germany TXL Air Canada
Bermuda, Bermuda BDA Air Canada, WestJet
Birmingham, United Kingdom BHX Air Transat
Bogota, Colombia BOG Air Canada
Brussels, Belgium BRU Brussels Airlines
Budapest, Hungary BUD Air Canada
Buenos Aires, Argentina EZE Air Canada
Cairo, Egpyt CAI Egyptair
Camaguey, Cuba CMW Sunwing
Cancun, Mexico CUN Air Canada, Air Transat, Sunwing, WestJet, Interjet
Cayo Coco, Cuba CCC Air Canada, Air Transat, Cubana, Sunwing, WestJet
Cayo Largo, Cuba CYO Cubana
Copenhagen, Denmark CPH Air Canada
Curacao, Netherlands Antilles CUR Air Canada
Delhi, India DEL Air Canada, Jet Airways
Dubai, United Arab Emirates DXB Air Canada, Emirates
Dublin, Ireland DUB Aer Lingus, Air Canada
Edinburgh, United Kingdom EDI Air Canada
Exuma, Bahamas GGT Air Canada
Frankfurt, Germany FRA Air Canada, Condor, Lufthansa German Air
Freeport, Bahamas FPO Sunwing
Geneva, Switzerland GVA Air Canada
Georgetown, Guyana GEO Caribbean Airlines, Fly Jamaica Airways
Glasgow, United Kingdom GLA Air Canada, Air Transat, WestJet
Grand Cayman, Cayman Islands GCM Air Canada, WestJet
Grenada, Grenada GND Air Canada
Guangzhou, People’s Republic of China CAN China Southern Airlines
Havana, Cuba HAV Air Canada, Cubana
Holguin, Cuba HOG Air Canada, Air Transat, Cubana, Sunwing, WestJet
Hong Kong, Hong Kong HKG Air Canada, Cathay Pacific
Islamabad, Pakistan ISB Pakistan International
Istanbul, Turkey IST Turkish Airlines
Jeddah, Saudi Arabia JED Saudia
Karachi, Pakistan KHI Pakistan International
Kingston, Jamaica KIN Air Canada, Caribbean Airlines, Fly Jamaica Airways, WestJet
Lahore, Pakistan LHE Pakistan International
Liberia, Costa Rica LIR Air Canada, Sunwing, WestJet
Lima, Peru LIM Air Canada
Lisbon, Portugal LIS Air Canada, Air Transat, Azores Airlines, TAP Portugal
London-Gatwick, United Kingdom LGW Air Canada, Air Transat, WestJet
London-Heathrow, United Kingdom LHR Air Canada, British Airways
Madrid, Spain and Canary Islands MAD Air Canada
Manchester, United Kingdom MAN Air Canada, Air Transat
Manila, Philippines MNL Philippine Airlines
Manzanillo, Cuba MZO Sunwing
Mexico City, Mexico MEX AeroMexico, Air Canada, Interjet
Milan, Italy MXP Air Canada
Montego Bay, Jamaica MBJ Air Canada, Air Transat, Sunwing, WestJet
Mumbai, India BOM Air Canada
Munich, Germany MUC Air Canada, Lufthansa German Air
Nassau, Bahamas NAS Air Canada, Sunwing, WestJet
Panama City, Panama PTY Air Canada, Copa Airlines
Paris-Charles de Gaulle, France CDG Air Canada, Air France, Air Transat
Ponta Delgada, Portugal PDL Azores Airlines
Port of Spain, Trinidad and Tobago POS Air Canada, Caribbean Airlines, WestJet
Porto, Portugal OPO Air Transat, Azores Airlines
Prague, Czech Rep. PRG Air Canada
Providenciales, Turks and Caicos Islands PLS Air Canada, WestJet
Puerto Plata, Dominican Republic POP Air Canada, Air Transat, Sunwing, WestJet
Puerto Vallarta, Mexico PVR Air Canada, Air Transat, Sunwing, WestJet
Punta Cana, Dominican Republic PUJ Air Canada, Air Transat, Sunwing, WestJet
Reykjavik-Keflavik, Iceland KEF Air Canada, Icelandair, WOW Air
Rio Hato, Panama RIH Sunwing
Riyadh, Saudi Arabia RUH Saudia
Rome, Italy FCO Air Canada, Air Transat, Alitalia
Samana El Catey, Dominican Republic AZS Air Canada, WestJet
San Jose Cabo, Mexico SJD Sunwing
San Jose, Costa Rica SJO Air Canada, WestJet
San Salvador, El Salvador SAL Avianca
Santa Clara, Cuba SNU Air Canada, Air Transat, Cubana, Sunwing, WestJet
Santiago, Chile SCL Air Canada
Santiago, Cuba SCU Cubana, Sunwing
Sao Paulo, Brazil GRU Air Canada
Seoul-Incheon, South Korea ICN Air Canada, Korean Air
Shanghai, People’s Rupublic of China PVG Air Canada, China Eastern Airlines
St. Lucia, Saint Lucia UVF Air Canada, Sunwing, WestJet
St. Maarten, Netherlands Antilles SXM Sunwing, WestJet
Sydney, Australia SYD Air Canada
Taipei, Chinese Taipei TPE Eva Air
Tel Aviv, Israel TLV Air Canada, El Al Israel
Terceira Island, Portugal TER Azores Airlines
Tokyo-Haneda, Japan HND Air Canada
Tokyo-NRT, Japan NRT Air Canada
Varadero, Cuba VRA Air Canada, Air Transat, Cubana Airlines, Sunwing , WestJet
Venice, Italy VCE Air Canada, Air Transat
Vienna, Austria VIE Austrian
Warsaw, Poland WAW Air Canada, LOT Polish
Zagreb, Croatia ZAG Air Transat
Zurich, Switzerland ZRH  Air Canada