Cheap flights from London Heathrow Airport to Portugal from $110
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portugal departing on 26/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Portugal
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
SWISS flights from London Heathrow Airport to Portugal
Our best SWISS deals on London Heathrow Airport to Portugal flight tickets
Lufthansa flights from London Heathrow Airport to Portugal
Our best Lufthansa deals on London Heathrow Airport to Portugal flight tickets
See travel insights to Portugal from
How to get the cheapest flight ticket from London Heathrow Airport to Portugal
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portugal?
In general, January is the cheapest month to fly from London Heathrow Airport to Portugal. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $264. If you’re not able to fly to Portugal in January, then November is your next best option. Flight prices from London Heathrow Airport to Portugal during November average around $291.
What is the cheapest day to depart on your flight to Portugal?
The cheapest day to depart from London Heathrow Airport to Portugal is on a Sunday. Travellers who choose to depart for Portugal on a Sunday will often find tickets for as low as $319. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Portugal for around $591.
What is the cheapest time of day to depart on your flight to Portugal?
At midday is the cheapest time of day to fly from London Heathrow Airport to Portugal when you can find flight prices for as low as $400. Flying to Portugal at midday is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of $503.
What is the cheapest London Heathrow to Portugal flight route?
Fly from London Heathrow to Lisbon Humberto Delgado for the best London Heathrow - Portugal flight prices
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from London Heathrow Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $386 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from London Heathrow Airport for as low as $329 on momondo.
What cabin class options are available on London Heathrow to Portugal flights?
There are 3 cabin classes available to choose from on London Heathrow to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from London Heathrow Airport to Portugal on average per day?
45 flights are operational daily from London Heathrow Airport to Portugal as of February 2025. The most popular departure time for this route is 18:00, with 35% of flights per day taking off at midday.
How many flights depart from London Heathrow Airport to Portugal on average per week?
The number of flights available between London Heathrow Airport and Portugal is 318 per week as of February 2025. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.
Cheap London Heathrow Airport to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Portugal
When did momondo last update prices for flights from London Heathrow Airport to Portugal?
Prices for flights from London Heathrow Airport to Portugal are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Portugal?
There are 2 operators available for flights from London Heathrow Airport to Portugal as of February 2025.
How old do you have to be to fly from London Heathrow Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Portugal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Portugal is Airbus A320-100/200 (15.56% of total bookings). The next most popular plane models are Airbus A320neo (11.52%), Airbus A321neo (10.08%), and Airbus A319 (8.25%).
Best airlines flying from London Heathrow Airport to Portugal
Compare and see reviews for airlines that fly from London Heathrow Airport to Portugal with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $161 | Free cancellation | Rating 7.1 1,848 reviews | |||
| PriceFrom $205 | Free cancellation | Rating 6.6 6,766 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Portugal?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from London.
Can I find flights from London to Portugal with flexible booking policies on momondo?
Yes. All flights to Portugal from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Portugal?
Once you have performed a search for London to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Portugal right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from London and alert you when they change.