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Dublin to London Flight Distance

Dublin Airport (DUB) to London Heathrow Airport (LHR)

Short HaulEast-Southeast (117°)Direct flights available
Primary sources · 6
  1. [1] Vincenty (1975)Direct and Inverse Solutions of Geodesics on the Ellipsoid — the iterative formula used for distance · Survey Review XXIII (176), pp. 88–93 · April 1975 https://www.ngs.noaa.gov/PUBS_LIB/inverse.pdf
  2. [2] NGA.STND.0036_1.0.0_WGS84WGS-84 reference ellipsoid (a = 6,378,137 m, 1/f = 298.257223563) · NGA Standard · July 2014 https://earth-info.nga.mil/index.php?dir=wgs84&action=wgs84
  3. [3] DESNZ 2024 conversion factorsPer-km kg CO₂e factors for the three distance bands and four cabin classes · UK Department for Energy Security and Net Zero · June 2024 https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2024
  4. [4] Lee et al. (2021)Effective radiative forcing of aviation — the science behind the 1.9 × CO₂ → CO₂e uplift · Atmospheric Environment 244, 117834 · January 2021 https://doi.org/10.1016/j.atmosenv.2020.117834
  5. [5] OpenFlightsAirport coordinates and IATA codes · openflights.org/data.php · Community-maintained https://openflights.org/data.php
  6. [6] Sack (2010)Jet-lag review — clinical chronobiology and asymmetric recovery rates · New England Journal of Medicine 362:440 · February 2010 https://www.nejm.org/doi/full/10.1056/NEJMcp0909838

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280
Miles
450
Kilometers
243
Nautical miles
1h 2m
Flight time
Route Distance Scale450 km of 18,000 km max
0Short <1,500kmMedium <4,000kmLong <12,000kmUltra-Long

Your Route Summary

DUB
Origin
Dublin Airport
Dublin, Ireland
53.4213°, -6.2701°
LHR
Destination
London Heathrow Airport
London, United Kingdom
51.4706°, -0.4619°

What This Means For Your Trip

Flight Duration: At 280 miles, this short-haul flight will take approximately 1h 2m. This is a relatively quick flight where you may not even need entertainment.

Time Adjustment: London is 0 hours ahead of Dublin. You should experience minimal jet lag.

Environmental Impact: An economy class seat produces approximately 115 kg of CO2. This is relatively low for air travel.

Flight Options: 3 airlines serve this route, giving you options for schedule and price comparison.

Complete Flight Analysis

MetricValueCategory / Reference
Distance (Miles)280 miPrimary frequent flyer unit
Distance (Kilometers)450 kmInternational standard
Distance (Nautical Miles)243 nmAviation standard
Flight Time1h 2mBased on 850 km/h cruise + ground time
Route ClassificationSHORT HAULShort-haul flight (under 1,500 km)
Flight Direction117° ESEEast-Southeast
Cruising Altitude25,000 ftFL250 (7,620 m)
Time Difference+0hJet lag: none
CO2 (Economy)115 kgDEFRA 2024 factors
CO2 (Business)333 kg2.9x economy
CO2 (First Class)459 kg4x economy
Trees to Offset11Economy class, per passenger
Fuel per Passenger14 L~2,520 L total (180 pax)
Operating Airlines3Direct flights available

Tips for This Route

Book Early
Book 3-6 weeks ahead for competitive fares on this route.
Best Window Seat
Choose the left side for views with less sun glare on this east-southeast flight.
Adjust Your Clock
Minimal time change—no special preparation needed.
Pack Smart
Short flight—light carry-on with essentials is sufficient.
Offset Your Impact
Consider offsetting 115 kg CO2 through verified programs—equivalent to planting 11 trees.
Compare Prices
Check multiple booking sites and set price alerts for the best fares.
DUB
DEPARTURE

Dublin Airport

Dublin, Ireland

IATA / ICAO
DUB / EIDW
Elevation
242 ft (74 m)
Local Time
09:01 PM
GMT+1
Coordinates
53.4213°, -6.2701°
View full airport details
LHR
ARRIVAL+0h from departure

London Heathrow Airport

London, United Kingdom

IATA / ICAO
LHR / EGLL
Elevation
83 ft (25 m)
Local Time
09:01 PM
GMT+1
Coordinates
51.4706°, -0.4619°
View full airport details

Airlines Flying This Route

3 airlines operate flights between Dublin and London.

EI
Aer Lingus
Ireland
AA
American Airlines
United States
BA
British Airways
United Kingdom

Flight Details

Cruising Altitude
25,000 ft (7,620 m)
FL250
Flight Direction
East-Southeast
Initial bearing: 117°
Route Type
Short-haul flight (under 1,500 km)
Typical Aircraft
Airbus A320Boeing 737Embraer E190
Fuel Consumption
14 L per passenger
~2,520 L total (180 passengers)
Geographic Context
Route stays within the Northern Hemisphere
Both airports are in the Northern Hemisphere. Both airports are in the Western Hemisphere.

Flight Midpoint

The geographic midpoint of this flight is located at:

Latitude
52° 28' 53.4" N
52.4815°
Longitude
3° 18' 5.9" W
-3.3016°
Halfway Point
140 mi
31 min into flight

Carbon Emissions by Cabin Class

CO2 emissions vary by cabin class due to seat space allocation. Based on DEFRA 2024 emission factors.

Economy
115 kg
CO2e: 218 kg
Premium Economy
184 kg
CO2e: 349 kg
Business
333 kg
CO2e: 632 kg
First Class
459 kg
CO2e: 872 kg
Carbon Offset
To offset an economy class seat, plant approximately 11 trees.Equivalent to 4 weeks of average household electricity

Jet Lag & Travel Tips

Jet Lag Severity
none
Time Zone Change
0 hours
Flying noneward
Tips for This Journey
  • Minimal time difference - jet lag unlikely

Seat Recommendations

Best Window for Views
left Side
Sun will be on the right (south) side during daytime
Recommendation
Left window for views away from sun glare, right for warmth

Distance in Perspective

1
1.1% of Earth's circumference
2
About the distance from London to Paris (344 km)
3
0.4 hours at the speed of sound

Distance & Speed Reference

MeasurementValue
Statute Miles280 mi
Kilometers450 km
Nautical Miles243 nm
Meters450,000 m
Feet1,478,400 ft
Flight Time (850 km/h)1h 2m
Driving Time (80 km/h avg)6 hours

Travel Speed Comparison

How long would it take to cover the 450 km between Dublin and London at different speeds?

ModeSpeedTime
Commercial Jet850 km/h1h 2m
Turboprop Aircraft500 km/h0h 54m
Bullet Train320 km/h1h 24m
Car (highway)100 km/h4h 30m
Walking5 km/h90h (4 days)
Speed of Sound1,235 km/h0h 22m

Round Trip Summary

560
total miles
900
total km
2h 4m
total flight time
230
kg CO2 (economy)
View Return Flight: LHR to DUB

Quick Facts

Distance280 mi
Flight Time1h 2m
Route Typeshort haul
DirectionESE
AltitudeFL250
Time Diff+0h
CO2 (Economy)115 kg
Airlines3

Frequently Asked Questions

How far is Dublin from London?

The flight distance from Dublin Airport (DUB) to London Heathrow Airport (LHR) is 280 miles (450 km). This is the great circle distance calculated using the Vincenty formula.

How long is the flight?

A direct flight takes approximately 1h 2m. This is a short-haul flight typically cruising at 25,000 feet (FL250).

What is the time difference?

London is 0 hours ahead of Dublin.

What airlines fly this route?

3 airlines operate this route: Aer Lingus, American Airlines, British Airways.

What is the carbon footprint?

Economy class: 115 kg CO2 per passenger. Business class: 333 kg. First class: 459 kg. Offset with ~11 trees.

Which seat side is best?

For this East-Southeast flight, the left side offers the best views away from sun glare.

Can I drive from Dublin to London instead of flying?

Driving is a practical alternative at only 450 km. It would take approximately 6 hours at average highway speed. For shorter distances like this, driving can be more convenient when factoring in airport check-in time.

What aircraft typically fly this route?

This short-haul route is typically served by Airbus A320, Boeing 737, Embraer E190 aircraft. These are narrow-body aircraft designed for efficient short-distance travel.

How can I offset the carbon from this flight?

An economy class seat on this route produces 115 kg CO2. You can offset this by planting approximately 11 trees, purchasing verified carbon credits through programs like Gold Standard or Verra, or supporting renewable energy projects. Many airlines also offer built-in carbon offset options during booking.

External Resources & References

Learn more about the airports, aviation data, and carbon emissions methodology used in this calculation.

Dig deeper on this route