Why do planes land at Keflavík so early in the morning?

Because KEF is a 24-hour transatlantic connecting hub. Icelandair's North America flights arrive overnight and in the early morning — the main bank lands between 6:00 and 7:00 AM, with PLAY's wave arriving earlier, around 4:00–5:00 AM — passengers connect, and the aircraft depart again in a morning push to Europe. Those early arrivals are the noise event Reykjanesbær residents notice most, and the pin-drop map above shows the hourly pattern for any address.

Which areas near Keflavík Airport are quietest?

Sandgerði and Garður in Suðurnesjabær are the quietest towns nearby — both sit off the runway centrelines, and northern approaches come in over the sea. Vogar is under the eastern corridor but aircraft are already at altitude there. The loudest streets are in Ásbrú, the Eyjabyggð edge of Keflavík and the Grænás district of Njarðvík, all within about 3 km of the runways. Drop a pin on the map above to compare specific addresses.

Is Ásbrú loud from planes?

Ásbrú is one of the most exposed residential areas around KEF. The former US base housing sits right on the airport's south-eastern boundary near the 10/28 runway alignment, so residents get close-in ground noise plus overflight when easterly operations are running. Isavia maintains one of its four permanent noise monitors at Háaleitisskóli in Ásbrú for exactly this reason.

What is the runway 01/19 noise rule at KEF?

Per AIP Iceland (BIKF AD 2.21), the roughly north–south runway 01/19 is the preferential runway for noise abatement — whenever its tailwind component is under 5 knots, the tower designates it the active runway. That keeps departures climbing out over the sea to the north or the uninhabited lava fields to the south-south-west rather than over Reykjanesbær. When wind forces the east–west runway 10/28 into use, pilots can also request to land on 10 and depart on 28 as an extra noise measure.

How do I complain about aircraft noise at Keflavík Airport?

Isavia runs a public flight-tracking and noise-complaint system for KEF (kef.flighttracking.casper.aero), which lets you identify the specific flight and file a complaint online; the airport switchboard is +354 425 6000. Complaints feed into the same monitoring system as the four fixed noise sensors around Reykjanesbær.

Does this page cover Reykjavík domestic airport too?

No — Reykjavík Airport (RKV/BIRK), the domestic airfield right beside the capital's city centre about 50 km away, has its own noise pattern and its own page on this site. If you live in Reykjavík proper, that page is the relevant one; KEF traffic passes the capital region at cruise or climb altitude.

Do flights from KEF pass over Grindavík or Vogar?

Rarely at low altitude. Grindavík sits about 18 km south-south-east, off the main corridors — its recent disruption story is volcanic (the 2023–24 evacuations), not aircraft noise. Vogar lies under the eastern corridor to runway 10/28, but roughly 12 km out, where aircraft are already well into the climb or still high on approach.

Has the Reykjanes volcanic activity changed flight paths at Keflavík?

Episodically, yes — the seismic and eruptive unrest near Grindavík in 2023–24 periodically shifted traffic and briefly closed airspace, but there is no standing noise-related procedure attached to it. Day to day, runway selection at KEF is driven by wind and the 01/19 preferential-runway rule, not volcanic activity.

Keflavík Flight Path Noise Map – Keflavík International Airport (KEF)

Name: Aircraft noise observations near Keflavík International Airport
Creator: Flight Path Noise
License: https://creativecommons.org/licenses/by/4.0/

Aircraft noise around Keflavík in October 2026

Loudest neighborhoods near Keflavík: Ásbrú, Eyjabyggð (Keflavík), Grænás (Njarðvík). Quietest: Garður (Gerðar), Sandgerði, Vogar, Grindavík. Busiest around 5 PM local time averaging 165 flights/day. Source: Flight Path Noise monitoring data, 30 days to 2026-10-19.

Flights by hour · last 30 days

12a6a12p6p

Average daily traffic

165

flights / day · 4,950 total

Busiest hour

5 PM

peak 95 dB

Loudest hour

5 PM

peak 95 dB

Loudest residential area

Ytri-Njarðvík

67 dB avg · ~153 flights/day · Busy road

Coastal Njarðvík near the runway 10/28 eastern extension; exposure rises sharply when wind forces east–west operations

Does Keflavík Airport have a curfew?

No — Keflavík runs 24 hours a day; overnight flying is built into the schedule.

Keflavík has no night curfew, no night quota and no noise surcharge — and unusually among North Atlantic hubs, overnight traffic is structural rather than incidental. Icelandair’s transatlantic wave model banks arrivals from North America in the early morning (roughly 04:00–07:00 local, peaking around 06:00, with PLAY’s wave landing earliest), connects passengers, and launches the morning departure push to Europe. Mitigation is procedural instead of time-based — the roughly north–south runway 01/19 is the designated preferential noise-abatement runway whenever the tailwind component is under 5 knots, keeping most traffic over the sea and the uninhabited lava fields rather than over Reykjanesbær, and Isavia operates four permanent noise monitors on the town side backed by a public flight-tracking and complaint system.

Keflavík International Airport (KEF/BIKF) is Iceland’s gateway to the world, and its noise story is set by geography and the clock. The airport sits on a windswept lava plain at the tip of the Reykjanes peninsula, with the twin towns of Keflavík and Njarðvík — together the municipality of Reykjanesbær, home to around 20,000 people — starting barely 3 km from the runways. There is no night curfew, because the whole business model depends on overnight flying: transatlantic arrivals bank into KEF in the early morning, connect, and depart again for Europe. What protects the towns instead is runway choice — the roughly north–south runway 01/19 is the designated noise-abatement runway whenever winds allow, sending jets out over the North Atlantic and the empty lava fields rather than over houses. (If you’re looking at Reykjavík itself, note that the capital’s domestic airfield, Reykjavík Airport RKV, is a separate airport with its own page on this site.)

Which neighborhoods are quietest — and which aren’t

KEF has two nearly equal-length runways: 01/19 (3,054 m, roughly north–south) and 10/28 (3,065 m, roughly east–west). Which one is active matters enormously for Reykjanesbær, because the 10/28 alignment points its eastern extension toward Njarðvík, Ásbrú and Vogar, while 01/19 threads the gap between the towns and the sea.

Area	Aircraft noise	Why
Ásbrú	✈︎✈︎✈︎	On the south-eastern airport boundary, near the 10/28 alignment
Eyjabyggð (Keflavík)	✈︎✈︎✈︎	Closest edge of Keflavík town; permanent noise monitor here
Grænás (Njarðvík)	✈︎✈︎✈︎	Close-in ground and departure noise, worst in easterly operations
Ytri-Njarðvík	✈︎✈︎	Near the 10/28 eastern extension; spikes when east–west ops run
Keflavík town centre	✈︎✈︎	Off the centrelines but close enough for ground and turning noise
Innri-Njarðvík	✈︎✈︎	Broadly under the eastward 10/28 corridor toward Vogar
Hafnir	✈︎✈︎	Near the 01/19 over-lava track, which mostly misses the houses
Garður (Gerðar)	✈︎	Northern approaches stay offshore over the sea
Sandgerði	✈︎	Off both centrelines; distant over-water traffic only
Vogar	✈︎	Under the eastern corridor but ~12 km out; aircraft already high
Grindavík	✈︎	~18 km away, off the main corridors

The pattern is unusually binary for an airport this close to town. When 01/19 is active — which the rules push controllers toward — most of Reykjanesbær gets a comparatively quiet day, because departures climb out over water or uninhabited lava. When wind forces 10/28 into use, the eastern districts (Grænás, Ytri- and Innri-Njarðvík, Ásbrú) take the brunt. If you’re comparing streets in Reykjanesbær, drop a pin on the map above: the difference between a house in Eyjabyggð and one in northern Keflavík town can be larger than the town’s small footprint suggests.

Flight patterns and runway use

Runway selection at KEF is governed by an explicit noise-abatement rule in AIP Iceland (BIKF AD 2.21): runway 01/19 is preferential. If the tailwind component on either 01 or 19 is under 5 knots, the tower designates it the active runway; only above that threshold does the airport revert to whichever runway has the strongest headwind. In practice that means departures off runway 19 climb south-south-west over the lava plain (passing wide of Hafnir), and departures off runway 01 head straight out over the sea north of the peninsula — both tracks avoiding Reykjanesbær almost entirely.

When Atlantic weather forces 10/28 into use, the picture changes. Easterly arrivals and departures pass near Njarðvík and Ásbrú, and traffic tracks the corridor toward Vogar on Vatnsleysuströnd. As an additional measure, controllers can approve landing on runway 10 and departing on runway 28 at pilot request, which biases the noisiest phase of flight — the takeoff roll and initial climb — away from the built-up areas.

Isavia backs this up with measurement: four permanent noise monitors ring the residential edge of Reykjanesbær — in Eyjabyggð, at Grænásvegur 14 in Njarðvík, at Háaleitisskóli on Ásbrú and at the HS Veitur pump station — plus a portable unit, all tied into a public flight-tracking system that residents can use to identify individual flights and file complaints. One local wildcard worth knowing: recurrent volcanic-seismic unrest on the Reykjanes peninsula (the Grindavík evacuations of 2023–24) has periodically shifted traffic and closed airspace, but there is no standing noise procedure attached to it.

When is it quietest?

KEF’s daily rhythm is inverted compared with most airports its size — the defining traffic event happens before breakfast:

Overnight (midnight – 4 AM): light but never guaranteed silent; the airport is open 24 hours and cargo, diversions and off-wave arrivals do operate.
Early morning (4 AM – 7 AM): the transatlantic arrival bank. PLAY’s North America wave lands around 4:00–5:00 AM, and Icelandair’s main bank arrives between 6:00 and 7:00 AM. This is the stretch residents feel most, precisely because ambient noise is otherwise near zero.
Morning (7 AM – 10 AM): the connecting departure push to Europe — a steady stream of climbing jets, plus a secondary arrival bank.
Midday (10 AM – 3 PM): moderate; European arrivals trickle in.
Afternoon and evening (3 PM – 8 PM): the westbound departure wave to North America, then European arrivals feeding the evening connections.
Late evening (8 PM – midnight): tapering, but never a hard stop.

Because there is no curfew, the quietest reliable window is simply whenever your side of town is upwind of the active runway. A calm or light-wind day almost always means 01/19 operations — the good case for Reykjanesbær. Strong easterlies or westerlies mean 10/28, and the Njarðvík side hears it. The hourly breakdown in the pin report above shows how pronounced the pre-7 AM spike is at your specific address.

How to check noise at your specific address

The map above answers “how loud is this street?” in three steps:

Search your address or postcode in the bar at the bottom of the map — anywhere in Reykjanesbær, Suðurnesjabær, Vogar or Grindavík.
Drop a pin — click the location marker that appears.
Read the noise report in the sidebar: average daily noise (Leq), peak observed dB, flights per day passing within 2 km, and an hourly breakdown that will show KEF’s distinctive early-morning arrival spike.

The Noise Heatmap layer (orange/red = louder) and the Route Density layer (purple/magenta = busier corridors) make the two-runway geometry obvious: a strong north–south band over the sea and lava fields from 01/19, and an east–west band brushing Njarðvík from 10/28. Most addresses in Sandgerði, Garður and northern Keflavík town land in the green zone; the closer you get to Ásbrú and Grænás, the warmer the map gets. And if you’re checking an address in Reykjavík city itself, use the Reykjavík Airport (RKV) page instead — that’s the airfield that matters for the capital.

Frequently asked questions

Why do planes land at Keflavík so early in the morning?: Because KEF is a 24-hour transatlantic connecting hub. Icelandair's North America flights arrive overnight and in the early morning — the main bank lands between 6:00 and 7:00 AM, with PLAY's wave arriving earlier, around 4:00–5:00 AM — passengers connect, and the aircraft depart again in a morning push to Europe. Those early arrivals are the noise event Reykjanesbær residents notice most, and the pin-drop map above shows the hourly pattern for any address.
Which areas near Keflavík Airport are quietest?: Sandgerði and Garður in Suðurnesjabær are the quietest towns nearby — both sit off the runway centrelines, and northern approaches come in over the sea. Vogar is under the eastern corridor but aircraft are already at altitude there. The loudest streets are in Ásbrú, the Eyjabyggð edge of Keflavík and the Grænás district of Njarðvík, all within about 3 km of the runways. Drop a pin on the map above to compare specific addresses.
Is Ásbrú loud from planes?: Ásbrú is one of the most exposed residential areas around KEF. The former US base housing sits right on the airport's south-eastern boundary near the 10/28 runway alignment, so residents get close-in ground noise plus overflight when easterly operations are running. Isavia maintains one of its four permanent noise monitors at Háaleitisskóli in Ásbrú for exactly this reason.
What is the runway 01/19 noise rule at KEF?: Per AIP Iceland (BIKF AD 2.21), the roughly north–south runway 01/19 is the preferential runway for noise abatement — whenever its tailwind component is under 5 knots, the tower designates it the active runway. That keeps departures climbing out over the sea to the north or the uninhabited lava fields to the south-south-west rather than over Reykjanesbær. When wind forces the east–west runway 10/28 into use, pilots can also request to land on 10 and depart on 28 as an extra noise measure.
How do I complain about aircraft noise at Keflavík Airport?: Isavia runs a public flight-tracking and noise-complaint system for KEF (kef.flighttracking.casper.aero), which lets you identify the specific flight and file a complaint online; the airport switchboard is +354 425 6000. Complaints feed into the same monitoring system as the four fixed noise sensors around Reykjanesbær.
Does this page cover Reykjavík domestic airport too?: No — Reykjavík Airport (RKV/BIRK), the domestic airfield right beside the capital's city centre about 50 km away, has its own noise pattern and its own page on this site. If you live in Reykjavík proper, that page is the relevant one; KEF traffic passes the capital region at cruise or climb altitude.
Do flights from KEF pass over Grindavík or Vogar?: Rarely at low altitude. Grindavík sits about 18 km south-south-east, off the main corridors — its recent disruption story is volcanic (the 2023–24 evacuations), not aircraft noise. Vogar lies under the eastern corridor to runway 10/28, but roughly 12 km out, where aircraft are already well into the climb or still high on approach.
Has the Reykjanes volcanic activity changed flight paths at Keflavík?: Episodically, yes — the seismic and eruptive unrest near Grindavík in 2023–24 periodically shifted traffic and briefly closed airspace, but there is no standing noise-related procedure attached to it. Day to day, runway selection at KEF is driven by wind and the 01/19 preferential-runway rule, not volcanic activity.

Sources and further reading

KEF corporate sustainability — aircraft noise monitoring — Isavia / Keflavík Airport
AIP Iceland, BIKF AD 2 (incl. AD 2.21 noise abatement) — Isavia ANS
Keflavík International Airport — Wikipedia
Keflavik International Airport runways — OurAirports
BIKF Keflavik Int'l operating procedures (runway selection, noise preference) — VATSIM Scandinavia
Reykjanesbær — Wikipedia

Data updated 2026-10-19 — live ADS-B monitoring, rolling 30-day statistics (methodology). Article text revised 2026-07-17.

30 dB	Whisper
45 dB	Quiet residential
55 dB	Normal conversation
65 dB	Busy road
75 dB	Vacuum cleaner
85 dB	Heavy traffic
95 dB	Motorcycle nearby

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Keflavík Flight Path Noise Map – Keflavík International Airport (KEF)

Aircraft noise around Keflavík in October 2026

Does Keflavík Airport have a curfew?

Which neighborhoods are quietest — and which aren’t

Flight patterns and runway use

When is it quietest?

How to check noise at your specific address

Frequently asked questions

Sources and further reading

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