Here is a list of airlines that use Twitter, the micro-blogging site.
There are plenty more, which I will continue to add to the list. If you know any others, send me a tweet at @itravelnet. Airlines can also mention me at @airlinetweets.
@AAEurope
@AerArann
@_Aeroflot_
@aegeanairlines
@AerLingus_com
@aerosvit
@AAirwaves
@Air_Arabia
@AirAsia
@air_baltic
@airberlin (in German)
@airberlin_US
@AirCanada
@AirCaribbean
@Air_Dolomiti (in Italian)
@airescolombia (in Spanish)
@AirFranceCA
@AirFranceFR (in French)
@AirFranceJP (in Japanese)
@AirFranceUK
@airkoryo
@airnzuk
@AIRNZUSA
@AirSouthwest
@AirTran
@AlaskaAir
@Alitalia
@allegiantair
@americanair
@ArikAir
@AsianaAirlines
@AtlanticAir
@_austrian
@Austrian_NL
@AustrianSrbija (in Serbian)
@Bahrain_Air
@BluExpress (in Italian)
@bmibaby_com
@British_Airways (UK)
@britishairways (USA)
@cathaypacific
@cathaypacificAU
@cathaypacificCA
@cathaypacificUK
@cathaypacificUS
@CebuPacificAir
@Cirrus_Airlines
@cityjet
@continental
@copaair
@Corendon (in Dutch)
@Cyprus_Airways
@CzechAirlines
@Delta
@dniproavia
@donbassaero
@dragonair (in Chinese)
@EasternAirways
@easyJet
@easyJet_DE (in German)
@easyjet_promos (in French)
@easyJetCare
@easyjetspain (in Spanish)
@easyjetuk
@EgyptAir_Online
@elal_airlines
@Estonian_Air
@EthiopiaAirline
@Eurofly_Air (in Italian)
@flyairmalawi
@flyairnorth
@flyairnz
@fly_airpacific
@flybe
@FlyingBrussels
@FlyingEmirates
@Flying_Emirates
@flyfrontier
@flykingfisher
@FlyManx2
@flymepegasus
@flyniki (in German)
@fly_pacificblue
@flysas
@flyseair
@FlySkyWest
@flyUIA
@GarudaIndonesia
@germanwings
@GoAirlines
@HawaiianAir
@HawaiianFares
@horizonair
@Iberia (in Spanish)
@Icelandair
@icelandexpress
@IndonesiaGaruda (in Indonesian)
@jet4you (in French)
@jetblue
@JetstarAirways
@Jetstar_Asia
@kenyaairways
@klm
@KLM_EIR
@KLM_UK
@KoreanAir_Home
@KoreanAir_KE
@kulula
@last_seat (Thomas Cook Airlines)
@LOTpolish
@Lufthansa_DE
@Lufthansa_USA
@MAS
@mandalaair (in Indonesian)
@MalevAirlines
@MEAirlines
@mexicana_com (in Spanish)
@MidwestAirlines
@MokuleleAir
@OfficialGulfAir
@OnurAir
@flyPAL
@piedmontair
@QantasAirways
@QantasUSA
@QFTravelInsider
@Qatar_airways
@RAM_Maroc
@RoyalJordanianA
@Saudi_Airlines
@SaudiArabianAir
@SBA_Airlines (in Spanish)
@SeaPortAir
@sky_express
@southwestair
@spanair (in Spanish)
@SpiritAirlines
@SQairlines
@flysrilankan
@SunCountryAir
@sunwingairlines
@SwissAirLines
@TAMAirlines (in Portuguese)
@tapnews (in Portuguese)
@tarom_ro
@ThaiAirwaysAust
@THAIAirways_DE (in German)
@ThaiAirwaysIT (in Italian)
@ThaiAirwaysTG
@tigerairways
@tigerairwaysaus
@transavia
@TUIflycom
@turkishairlines
@TurkmenistanAir
@ucurbenipegasus (in Turkish)
@United_Airlines
@usairways
@VAustralia
@viajaVolaris (in Spanish)
@VietnamAirAust
@virginamerica
@virginatlantic
@virginblue
@vivaaerobus
@vueling (in Spanish)
@westjet
@wizzair
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