Title: Cheap Flights from Philadelphia to Kos (PHL to KGS) - Expedia.co.uk ![](https://images.trvl-media.com/place/1804/71d210e5-8360-4faf-8e0e-489f0841a4ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1804/71d210e5-8360-4faf-8e0e-489f0841a4ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Philadelphia (PHL) to Kos (KGS) ## Popular airlines from Philadelphia International Airport (PHL) to Kos (KGS-Kos Island Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:PHL,to:KGS,departure:22/04/2026TANYT&leg2=from:KGS,to:PHL,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![](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.co.uk/login) ## Travel information | Origin airport | Philadelphia Intl. | | ------------------- | ------------------ | | Destination airport | Kos Island Intl. | | Distance | 8329 km | ## Explore a world of travel with Expedia - Flights - [Flights from Helsingborg (AGH) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/agh/jkl/helsingborg-to-kalymnos) - [Flights from Auckland (AKL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/akl/jkl/auckland-to-kalymnos) - [Flights from Amsterdam (AMS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ams/jkl/amsterdam-to-kalymnos) - [Flights from Stockholm (ARN) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/arn/jkl/stockholm-to-kalymnos) - [Flights from Athens (ATH) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ath/jkl/athens-to-kalymnos) - [Flights from Atlanta (ATL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/atl/jkl/atlanta-to-kalymnos) - [Flights from Brindisi (BDS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bds/jkl/brindisi-to-kalymnos) - [Flights from Berlin (BER) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ber/jkl/berlin-to-kalymnos) - [Flights from Beirut (BEY) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bey/jkl/beirut-to-kalymnos) - [Flights from Bergamo (BGY) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bgy/jkl/bergamo-to-kalymnos) - [Flights from Belfast (BHD) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bhd/jkl/belfast-to-kalymnos) - [Flights from Birmingham (BHX) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bhx/jkl/birmingham-to-kalymnos) - [Flights from Bangkok (BKK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bkk/jkl/bangkok-to-kalymnos) - [Flights from Cleveland (BKL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bkl/jkl/cleveland-to-kalymnos) - [Flights from Stockholm (BMA) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bma/jkl/stockholm-to-kalymnos) - [Flights from Bhamo (BMO) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bmo/jkl/bhamo-to-kalymnos) - [Flights from Brisbane (BNE) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bne/jkl/brisbane-to-kalymnos) - [Flights from Boise (BOI) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/boi/jkl/boise-to-kalymnos) - [Flights from Mumbai (BOM) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bom/jkl/mumbai-to-kalymnos) - [Flights from Boston (BOS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bos/jkl/boston-to-kalymnos) - [Flights from Bristol (BRS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/brs/jkl/bristol-to-kalymnos) - [Flights from Brussels (BRU) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bru/jkl/brussels-to-kalymnos) - [Flights from Basel (BSL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/bsl/jkl/basel-to-kalymnos) - [Flights from Paris (CDG) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/cdg/jkl/paris-to-kalymnos) - [Flights from Cologne (CGN) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/cgn/jkl/cologne-to-kalymnos) - [Flights from Cleveland (CLE) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/cle/jkl/cleveland-to-kalymnos) - [Flights from Colombo (CMB) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/cmb/jkl/colombo-to-kalymnos) - [Flights from Cincinnati (CVG) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/cvg/jkl/cincinnati-to-kalymnos) - [Flights from Cardiff (CWL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/cwl/jkl/cardiff-to-kalymnos) - [Flights from Denver (DEN) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/den/jkl/denver-to-kalymnos) - [Flights from Dresden (DRS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/drs/jkl/dresden-to-kalymnos) - [Flights from Grande Anse (DSD) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/dsd/jkl/grande-anse-to-kalymnos) - [Flights from Dublin (DUB) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/dub/jkl/dublin-to-kalymnos) - [Flights from Edinburgh (EDI) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/edi/jkl/edinburgh-to-kalymnos) - [Flights from East Midlands (EMA) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ema/jkl/east-midlands-to-kalymnos) - [Flights from Rome (FCO) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/fco/jkl/rome-to-kalymnos) - [Flights from Fak-Fak (FKQ) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/fkq/jkl/fak-fak-to-kalymnos) - [Flights from Florence (FLR) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/flr/jkl/florence-to-kalymnos) - [Flights from Frankfurt (FRA) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/fra/jkl/frankfurt-to-kalymnos) - [Flights from Glasgow (GLA) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/gla/jkl/glasgow-to-kalymnos) - [Flights from Gothenburg (GOT) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/got/jkl/gothenburg-to-kalymnos) - [Flights from Geneva (GVA) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/gva/jkl/geneva-to-kalymnos) - [Flights from Hamburg (HAM) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ham/jkl/hamburg-to-kalymnos) - [Flights from Heraklion (HER) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/her/jkl/heraklion-to-kalymnos) - [Flights from Honolulu (HNL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/hnl/jkl/honolulu-to-kalymnos) - [Flights from Inverness (INV) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/inv/jkl/inverness-to-kalymnos) - [Flights from Istanbul (IST) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ist/jkl/istanbul-to-kalymnos) - [Flights from New York (JFK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/jfk/jkl/new-york-to-kalymnos) - [Flights from Johor Bahru (JHB) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/jhb/jkl/johor-bahru-to-kalymnos) - [Flights from Ikaria Island (JIK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/jik/jkl/ikaria-island-to-kalymnos) - [Flights from Joplin (JLN) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/jln/jkl/joplin-to-kalymnos) - [Flights from Mykonos (JMK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/jmk/jkl/mykonos-to-kalymnos) - [Flights from Astypalaia (JTY) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/jty/jkl/astypalaia-to-kalymnos) - [Flights from Kos (KGS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/kgs/jkl/kos-to-kalymnos) - [Flights from Osaka (KIX) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/kix/jkl/osaka-to-kalymnos) - [Flights from Levelock (KLL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/kll/jkl/levelock-to-kalymnos) - [Flights from Los Angeles (LAX) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lax/jkl/los-angeles-to-kalymnos) - [Flights from London (LCY) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lcy/jkl/london-to-kalymnos) - [Flights from London (LGW) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lgw/jkl/london-to-kalymnos) - [Flights from London (LHR) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lhr/jkl/london-to-kalymnos) - [Flights from London (LON) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lon/jkl/london-to-kalymnos) - [Flights from London (LTN) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ltn/jkl/london-to-kalymnos) - [Flights from Laura Station (LUT) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lut/jkl/laura-station-to-kalymnos) - [Flights from Luxembourg (LUX) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lux/jkl/luxembourg-to-kalymnos) - [Flights from Lyon (LYS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/lys/jkl/lyon-to-kalymnos) - [Flights from Madrid (MAD) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mad/jkl/madrid-to-kalymnos) - [Flights from Manchester (MAN) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/man/jkl/manchester-to-kalymnos) - [Flights from McArthur River (MCV) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mcv/jkl/mcarthur-river-to-kalymnos) - [Flights from Melbourne (MEL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mel/jkl/melbourne-to-kalymnos) - [Flights from Bwagaoia (MIS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mis/jkl/bwagaoia-to-kalymnos) - [Flights from Mytilene (MJT) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mjt/jkl/mytilene-to-kalymnos) - [Flights from Moline (MLI) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mli/jkl/moline-to-kalymnos) - [Flights from Milos (MLO) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mlo/jkl/milos-to-kalymnos) - [Flights from Manila (MNL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mnl/jkl/manila-to-kalymnos) - [Flights from Molde (MOL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mol/jkl/molde-to-kalymnos) - [Flights from Marseille (MRS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mrs/jkl/marseille-to-kalymnos) - [Flights from Milan (MXP) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/mxp/jkl/milan-to-kalymnos) - [Flights from Nassau (NAS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/nas/jkl/nassau-to-kalymnos) - [Flights from Nice (NCE) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/nce/jkl/nice-to-kalymnos) - [Flights from Newcastle (NCL) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ncl/jkl/newcastle-to-kalymnos) - [Flights from Ningbo (NGB) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/ngb/jkl/ningbo-to-kalymnos) - [Flights from Oakland (OAK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/oak/jkl/oakland-to-kalymnos) - [Flights from Pittsburgh (PIT) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/pit/jkl/pittsburgh-to-kalymnos) - [Flights from Port of Spain (POS) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/pos/jkl/port-of-spain-to-kalymnos) - [Flights from Shanghai (PVG) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/pvg/jkl/shanghai-to-kalymnos) - [Flights from Raleigh (RDU) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/rdu/jkl/raleigh-to-kalymnos) - [Flights from Rhodes (RHO) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/rho/jkl/rhodes-to-kalymnos) - [Flights from Saint-Brieuc (SBK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/sbk/jkl/saint-brieuc-to-kalymnos) - [Flights from Louisville (SDF) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/sdf/jkl/louisville-to-kalymnos) - [Flights from Simbai (SIM) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/sim/jkl/simbai-to-kalymnos) - [Flights from Thessaloniki (SKG) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/skg/jkl/thessaloniki-to-kalymnos) - [Flights from Salt Lake City (SLC) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/slc/jkl/salt-lake-city-to-kalymnos) - [Flights from Stockholm (STO) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/sto/jkl/stockholm-to-kalymnos) - [Flights from Stavanger (SVG) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/svg/jkl/stavanger-to-kalymnos) - [Flights from Tel Aviv (TLV) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/tlv/jkl/tel-aviv-to-kalymnos) - [Flights from Tununak (TNK) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/tnk/jkl/tununak-to-kalymnos) - [Flights from Tri-Cities (TRI) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/tri/jkl/tri-cities-to-kalymnos) - [Flights from Saurimo (VHC) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/vhc/jkl/saurimo-to-kalymnos) - [Flights from Vienna (VIE) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/vie/jkl/vienna-to-kalymnos) - [Flights from Valencia (VLC) to Kalymnos (JKL) ](https://www.expedia.co.uk/lp/flights/vlc/jkl/valencia-to-kalymnos) \*Available to Expedia members.