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Flights between London (LHR) and Porto (OPO)

London Heathrow Airport, United Kingdom ↔ Francisco de Sá Carneiro Airport, Portugal

A direct route between London and Porto appears in the OpenFlights route network.

Confirming who flies LHR–OPO

We're verifying which airlines currently operate LHR–OPO. Current operators will appear here as our data refreshes.

Distance
1,298 km
807 miles
Est. flight time
2h 7m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in United Kingdom

Jan
7°
12/2
85mm
Feb
7°
12/2
65mm
Mar
10°
15/5
70mm
Apr
13°
18/8
60mm
May
16°
21/11
65mm
Jun
19°
24/14
65mm
Jul
21°
26/16
60mm
Aug
21°
26/16
75mm
Sep
18°
23/13
75mm
Oct
14°
19/9
90mm
Nov
10°
15/5
90mm
Dec
8°
13/3
95mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Portugal

Jan
15°
20/10
110mm
Feb
16°
21/11
90mm
Mar
18°
23/13
70mm
Apr
19°
24/14
60mm
May
22°
27/17
35mm
Jun
26°
31/21
15mm
Jul
28°
33/23
5mm
Aug
28°
33/23
10mm
Sep
26°
31/21
30mm
Oct
22°
27/17
75mm
Nov
18°
23/13
100mm
Dec
15°
20/10
110mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

United Kingdom: Exercise Increased Caution (US State Dept) ↗Portugal: Normal precautions (UK FCDO) ↗

Common questions

How far is London from Porto?

London (LHR) and Porto (OPO) are around 1,298 km (807 miles) apart — an estimated 2h 7m by air. Distances and flight times are great-circle estimates.

What is the time difference between London and Porto?

Both airports keep the same time — no time difference.

When is it warmest in Portugal?

Across Portugal, the warmest month on average is July, with mean temperatures around 28°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for United Kingdom and Portugal?

The US State Department currently rates United Kingdom as Exercise Increased Caution; The UK FCDO rates Portugal as Normal precautions. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.