Here is a list of all the Airports I have flown to/from. Scroll down for logos.
EUROPE
SKG, Thessaloniki International Airport - "Makedonia" (Greece). It's the first airport I ever flew from. It holds a very special place in my heart.
ARN, Stockholm Arlanda Airport (Sweden). The first airport I ever flew to and still to this day the northernmost airport I have ever found myself in.
HEW, Athens International Airport - Hellinikon (closed) (Greece). I visited HEW only once but didn't even get off the plane. It was a ARN-HEW service continuing to SKG
ZRH, Zurich Airport - Kloten (Switzerland).
MAN, Manchester Airport - Ringway (UK - England). I used to fly to/from MAN a lot when I was a student in N. Wales. Been there only once since I graduated.
EDI, Edinburgh Airport - Turnhouse (UK- Scotland). I used EDI a lot when I was a graduate student at St.Andrews. I love that airport. So many memories...
LHR, London Heathrow Airport (UK - England). The fairly chaotic LHR is the first airport I flew Transatlantic from.
LGW, London Gatwick Airport (UK - England).
LTN, London Luton Airport (UK - England).
LPL, Liverpool Airport - "John Lennon" (England - UK).
GLA, Glasgow International Airport (Scotland - UK).
BHD, Belfast City Airport - "George Best" (Northern Ireland - UK). A single roundtrip to BHD from/to EDI on the shortest flights I've taken in Europe (tied with JTR-ATH)
DUB, Dublin Airport (Republic of Ireland).
JTR, Santorini (Thira) Airport (Greece). A single flight to ATH with OA. This flight is tied for the shortest I've taken in Europe (tied with EDI-BHD)
CDG, Paris "Charles De Gaulle" Airport (France).
ATH, Athens International Airport - "Eleutherios Venizelos" (Greece).
AMS, Amsterdam Airport Schiphol (Netherlands).
MUC, Munich Airport (Germany).
FRA, Frankfurt am Main Airport (Germany).
CGN, Cologne/Bonn Airport (Germany).
MAD, Madrid-Barajas Airport (Spain). Once I had to spent 38+hrs there because of IB.
FCO, Rome-Fiumicino Airport - "Leonardo da Vinci" (Italy).
SOF, Sofia Airport (Bulgaria).
BUD, Budapest International Airport - "Liszt Ferenc" (Hungary).
BRU, Brussels Airport (Belgium).
PRG, Prague Ruzyne International Airport (Czech Republic).
VNO, Vilnius International Airport (Lithuania).
OTP, Bucharest International Airport - "Henri Coanda" (Romania).
IST, Istanbul Ataturk Airport (Turkey).
INN, Innsbruck Kranebitten Airport (Austria).
NORTH AMERICA & CARIBBEAN
SFO, San Francisco International Airport (California - USA).
MSY, Louis Armstrong New Orleans International Airport (Louisiana, USA).
SJC, Norman Y. Mineta San Jose International Airport (California - USA).
PHX, Phoenix Sky Harbor International Airport (Arizona - USA).
IAD, Washington Dulles International Airport (Virginia - USA). My first airport in the US. I have still to go back.
BHM, Birmingham-Shuttlesworth International Airport (Alabama - USA).
ATL, Atlanta International Airport - "Hartsfield-Jackson" (Georgia - USA). .
ORD, Chicago O'Hare International Airport (Illinois - USA). What I consider my "home" airport. It's the airport I have flown from/to the most.
BOS, Boston International Airport - "General Edward Lawrence Logan" (Massachusetts - USA).
DTW, Detroit Metropolitan Wayne County Airport (Michigan - USA).
MDW, Chicago Midway International Airport (Illinois - USA). My other "home" airport, but I have used it much less frequently than ORD.
DCA, Washington National Airport - "Ronald Reagan" (Virginia - USA).
SAT, San Antonio International Airport (Texas - USA).
HOU, Houston Airport - "William P. Hobby" (Texas - USA).
MIA, Miami International Airport (Florida - USA).
PIT, Pittsburgh International Airport (Pennsylvania - USA).
LAX, Los Angeles International Airport (California - USA).
SAN, San Diego International Airport (California - USA).
JFK, "John F. Kennedy" International Airport - New York (New York - USA).
HNL, Honolulu International Airport (Hawai'i - USA). The southernmost airport I've been to.
SEA, Seattle-Tacoma International Airport (Washington - USA).
PVD, Providence Airport "T.F.Green" (Rhode Island - USA).
SLC, Salt Lake City International Airport (Utah - USA). The first airport I flew to using a reward ticket. Extremely friendly staff!
MSP, Minneapolis-St.Paul International Airport (Minnesota - USA). One of my favorite US airports. It just has everything and feels so clean.
BRD, Brainerd Lakes Regional Airport (Minnesota - USA).
DEC, Decatur Airport (Illinois, USA). A very small regional airport served by a single airline (3E) operating Cessna Grand Caravans.
STL, Lambert St.Louis International Airport (Missouri, USA).
CLE, Cleveland Hopkins International Airport (Ohio, USA).
MKE, General Mitchell International Airport - Milwaukee (Wisconsin, USA).
SUX, Gateway Sioux Airport (Iowa, USA). An airport with a cult IATA code!
FAR, Hector International Airport (Fargo, North Dakota). PHL, Philadelphia International Airport (Pennsylvania, USA)
CHO, Charlottesville Albemarle Airport (Virginia, USA)
CLT, Charlotte Douglas International Airport (North Carolina, USA)
DEN, Denver International Airport (Colorado, USA)
MCI, Kansas City International Airport (Missouri, USA)
BWI, Baltimore Washington International Airport (Maryland, USA)
DAL, Dallas Love Field (Texas, USA)
BNA, Nashville International Airport (Tennessee, USA)
YTZ, Toronto City Airport "Billy Bishop" (Ontario - Canada).
YUL, Montreal International Airport - "Pierre Elliott Trudeau" (Quebec - Canada).
NAS, Nassau International Airport - "Lynden Pindling" (Bahamas).
LGI, Deadman's Cay Airport (Bahamas). A few-minute layover (stayed on the plane) just before a 9-min hop to SML, my shortest flight ever.
SML, Stella Maris Airport (Bahamas).
SKB, Robert L Bradshaw Intl Airport (St.Kitts & Nevis).
ASIA
ICN, Incheon International Airport - Seoul (S. Korea). My first visit to Asia. I loved the food court at ICN. I kept stuffing my face with kimchi until I ran out of money.
NRT, Narita International Airport - Tokyo (Japan).
HIJ, Hiroshima Airport (Japan).
CTS, New Chitose Airport (Japan).