Cheap flights from London Heathrow to Porto
Return fares from £121 in the next 12 months. Pick a day in the calendar to see the fare.
Search by your dates- Cheapest return
- £121
- Typical return
- £168
- Cheapest one way
- –
- Cheapest month
- December
Price calendar
Cheapest return fare by departure day, 2–14 nights, direct or with one stop. Green days are the cheapest of the month.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17£161 return, back 26 Nov | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 |
Cheapest dates
Sat 12 Dec – Sat 26 Dec · 14 nights
TAP Air Portugal · 1 stop£121Check price ↗Mon 1 Feb – Thu 4 Feb · 3 nights
TAP Air Portugal · 1 stop£150Check price ↗Tue 7 Sept – Thu 16 Sept · 9 nights
TAP Air Portugal · 1 stop£151Check price ↗Tue 17 Nov – Thu 26 Nov · 9 nights
KLM · 1 stop£161Check price ↗Thu 27 May – Mon 31 May · 4 nights
TAP Air Portugal · 1 stop£168Check price ↗Sun 1 Aug – Wed 4 Aug · 3 nights
Vueling · 1 stop£177Check price ↗Fri 19 Mar – Sun 21 Mar · 2 nights
TAP Air Portugal · 1 stop£181Check price ↗Fri 28 May – Mon 31 May · 3 nights
Iberia · 1 stop£203Check price ↗
London Heathrow to Porto: questions
- How much is a flight from London Heathrow to Porto?
- In the fares we found for the next 12 months, return flights start at £121 and the median is £168 (9 fares, 2–14 nights, 1 adult).
- What is the cheapest month to fly from London Heathrow to Porto?
- December 2026, from £121 return, of the months we have fares for.
- Are there direct flights from London Heathrow to Porto?
- Not in the fares we found: they all have a stop.
- Which airlines fly from London Heathrow to Porto?
- In our fares: TAP Air Portugal, Iberia, KLM, Vueling.
Porto from other UK airports
More flights from London Heathrow
Prices are return fares for one adult, found by Aviasales users in the last few days and cached; they can change at any time, and the final price and availability are on Aviasales. Checked bags are extra unless the airline includes them. We may earn a commission when you book through our links; it does not change your price.