Flights

Airports in Iceland:
Keflavík Airport (KEF): Iceland's international airport, about a 50-minute drive or bus-ride from Reykjavík
Reykjavík Domestic Airport (RKV): hub for domestic flights, located a short taxi ride from the city center

Approximate flight times to Iceland (KEF):
from London: 3 hrs.
from Copenhagen: 3 hrs. 10 min.
from Frankfurt: 3 hrs. 35 min.
from New York: 5 hrs. 30 min.

Icelandair
Iceland's main airline offers flights to Iceland from from selected gateways in Europe, USA and Canada. Some destinations are summer-only. For more information, visit www.icelandair.com

WOW Air
Icelandic budget carrier with flights from selected cities in Europe. Some destinations are summer-only. See flight routes and timetables at www.wowair.com

These airlines also offer direct, year-round flights from selected locations:
EasyJet, from London, Edinburgh and Manchester
SAS, from Copenhagen, Stockholm and Oslo.
Norwegian, from Oslo

Other airlines with summer-only flights to Iceland (KEF):
Delta, from New York
Transavia, from Paris
Lufthansa, from selected cities in Germany
Air Berlinfrom selected cities in Germany
Germanwings, from Stuttgart & Cologne
Edelweiss Air, from Geneva & Zurich
Niki Lufthart, from Vienna
Austrian, from Vienna
Primera Air, selected cities in Spain
Vueling, from Barcelona

Other flight booking sites: 
Dohop
Kayak