Reykjavík to Louisville (KEF–SDF) — Airlines, Schedules & Connections

KEF Airport Page →
3,086 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 13 1-stop flights Verified 1mo ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

Last scheduled nonstop: Jun 2026.

✦ 1-Stop connections via 10 hubs
DTW Detroit 8h 55m AFDLVS → AFAMDL Detroit (DTW) to Louisville flights
BNA Nashville 9h 15m FI → WN Nashville (BNA) to Louisville flights
BWI Baltimore 9h 24m FI → WN Baltimore (BWI) to Louisville flights
EWR Newark 9h 39m FISNUA → ACUA Newark (EWR) to Louisville flights
ORD Chicago 9h 39m ACFIOS → AAACAS Chicago (ORD) to Louisville flights
MSP Minneapolis 10h 7m AFDLFI → AFDLKE Minneapolis (MSP) to Louisville flights
DEN Denver 11h 27m FI → UAWN Denver (DEN) to Louisville flights
IAD Dulles 11h 50m FIUA → CMUA Dulles (IAD) to Louisville flights
RDU Raleigh/Durham 19h 51m FI → MX Raleigh/Durham (RDU) to Louisville flights
BOS Boston 20h 2m FI → AABADL Boston (BOS) to Louisville flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Reykjavík to Louisville
Connecting service available through multiple hubs.
1 Airlines 3,086 mi 6h 29m nonstop -4h behind

KEF–SDF had nonstop service, last on the schedule in June 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 3,086 miles in 6h 29m.

Also explore KEF Routes SDF Routes KEF Live Flights SDF Live Flights SDF Delays
All flights from Louisville (SDF) Louisville to Reykjavík flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop KEF–SDF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
TWY TWY 0 – – – – –
Alliance coverage
Unaffiliated: TWY (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for KEF to SDF.
1-STOP
One-Stop Connections
13
Hubs
~8h
Fastest
~29h
Longest
DTW ~8h 55m BNA ~9h 15m BWI ~9h 24m EWR ~9h 39m ORD ~9h 39m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
780
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
KEF → SDF
100%
Generally reliable. Most flights run on time.
Arriving
100%
Return
SDF → KEF
94%
Generally reliable. Most flights run on time.
Departing
94%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SDF delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-4h
Louisville is 4 hours behind Reykjavík.
KEF: GMT · SDF: EDT

When it's 6:00 PM in Reykjavík, it's 2:00 PM in Louisville.
Distance & Flight Time
3,086 mi / 4,966 km
Nonstop flight time is approximately 6h 29m gate to gate.
Facts

KEF–SDF Quick Facts

Key statistics for the Reykjavík to Louisville route.
Route details
Distance3,086 mi / 4,966 km
Flight time6h 29m
Time difference-4 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: KEF
Full nameKeflavik International Airport
IATA / ICAOKEF / BIKF
TimezoneAtlantic/Reykjavik
Passengers/yr8.3M
Elevation171 ft / 52 m
Destination: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m
FAQ

Frequently Asked Questions

Common questions about KEF to SDF flights.
Nonstop flights from Keflavik International Airport to Louisville Muhammad Ali International Airport take about 6h 29m gate to gate. The route covers 3,086 miles.
1 airline operated the nonstop from KEF to SDF. The last scheduled nonstop was in June 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in June 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 6h 29m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Detroit Metropolitan Wayne County, Nashville and Baltimore/Washington International Thurgood Marshall.
Louisville is 4 hours behind Reykjavík.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from KEF to SDF

Keflavik International Airport (KEF) and Louisville Muhammad Ali International Airport (SDF) had nonstop service, last on the schedule in June 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

KEF to SDF Flight Duration and Schedule

Nonstop flight time from KEF to SDF is about 6 hours 29 minutes gate to gate. The route covers a distance of 3,086 miles (4,966 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Detroit Metropolitan Wayne County, Nashville and Baltimore/Washington International Thurgood Marshall. Two-stop connections are also available via intermediate hubs.