Compare airline tickets and discover the best flight deals in Portugal and worldwide
Popular international flights
Easily find affordable flights to popular destinations with unbeatable offers
Welcome to TICKETS!
TICKETS.PT makes it easy to explore and compare flights from top airlines, helping you find the best deals for your next adventure.
About TICKETSAffordable airline tickets from the nearest airports
Our advanced search shows the best flights and cheap air travel from the nearest airports, highlighting popular destinations in Portugal, Europe and beyond
Lisbon
Sep 2026
Nonstop
One Way
Seville
Sep 2026
From
€15Lisbon
Sep 2026
Nonstop
One Way
Valencia
Sep 2026
From
€16Lisbon
Sep 2026
Nonstop
One Way
Barcelona
Sep 2026
From
€17Lisbon
Sep 2026
Nonstop
One Way
Malaga
Sep 2026
From
€17Lisbon
Sep 2026
Nonstop
One Way
Madrid
Sep 2026
From
€20Lisbon
Sep 2026
Nonstop
One Way
Alicante
Sep 2026
From
€20
Lisbon
Sep 2026
Nonstop
One Way
Asturias
Sep 2026
From
€23Lisbon
Sep 2026
1+ Stops
One Way
Palma - Majorca
Sep 2026
From
€32
Lisbon
Sep 2026
Nonstop
One Way
Palma - Majorca
Sep 2026
From
€33Lisbon
Sep 2026
Nonstop
One Way
Ibiza
Sep 2026
From
€33Explore Global Flight Options
Enjoy fantastic prices on international flights with detailed route and airline options.
Find the cheapest flights to the most sought-after destinations
Find exclusive deals on low cost flights to the most visited cities worldwide
Book smarter with TICKETS! Our user-friendly iOS app offers instant access to Portugal's best flight deals, comparing top airlines and travel platforms to secure you the lowest fares on both domestic and international routes. Discover, compare, and book—all in a few simple taps!
Cheap flights from Portugal: when to book to actually save on plane tickets
How far in advance should I book a cheap flight from Portugal?
To catch a cheap flight from Portugal, the sweet spot on short and medium routes — a Lisbon–London or a Porto–Paris, say — is to book about one to two months ahead, with the best window around six weeks out. Booking far earlier usually costs more on these nearby European links, so the "book as early as possible" advice is a myth here. Long-haul flights need more lead time, a few months, and the busiest peak-season routes — think a Lisbon-to-Brazil plane ticket at Christmas — need more still. A fare changes dozens of times before departure, so hunting for the single perfect day is a losing battle: set a price alert and let the TICKETS app tell you when the fare moves. The rule that always pays off: don't leave it to the last two weeks, when prices climb fastest.
When is it actually cheapest to buy plane tickets?
On a Lisbon or Porto route, snapping up a ticket the day seats go on sale lands you near the top, not the bottom — that release moment is one of the dearest. Fares start high in the earliest window, drop to a low around six weeks before departure, then rise as the plane fills. Both extremes — booking far too early or at the last minute — cost you; the value sits in the middle. The exception is long-haul and peak season, like a flight from Portugal to Brazil in summer or over the holidays, when seats genuinely sell out, so booking a few months ahead protects both price and availability. For short, off-peak trips there's no rush; for long or busy ones, lock it in early. Instead of guessing where your route falls, let the book-now-or-wait reading from TICKETS.PT weigh around 12 months of price history and tell you whether to buy now or hold.
Which day of the week is really cheapest to fly from Portugal — and is it worth it?
Leaving Lisbon, Porto or Faro on a Tuesday or Wednesday usually beats a Sunday on price, so save the weekend departures for last. Tuesday and Wednesday tend to sit at the lowest fares, while Sunday is usually the priciest day to leave. The best day shifts with the route and the season, so treat "midweek, not Sunday" as a rule of thumb rather than chasing one magic day. On short, cheap hops within Europe the saving is thin; on long-haul routes like a Lisbon–Brazil, flying outside the weekend can save a real chunk per person. One important distinction: this is the day you fly, not the day you buy — the old "book on Tuesday" tip is dead, because fares now update continuously rather than weekly. To spot the cheapest stretches across the calendar, the month price view points you to the months running low; the midweek rule handles the day.
Why is a split round trip sometimes cheaper than any single airline's fare?
Split the journey across two airlines and the total can drop below any round trip a single carrier sells from Lisbon. On every round-trip search from Portugal, TICKETS.PT also prices the outbound and the return separately and pairs the cheapest outbound leg with the cheapest return leg into a single "combined" result. We only show that combination when it actually beats the best normal round trip, with the saving in euros spelled out; if a conventional round trip ties or wins, that's the one you see. The catch is that a combined result is two separate tickets and two confirmations, so you have to open both booking pages before you pay for either. We flag the combination so you know exactly what you're booking, and the maths only adds up when the difference is real.
Should I book two one-way tickets instead of a round trip?
On a long route like Lisbon–Brazil, two one-way tickets sometimes work out cheaper than a single round trip — and you don't have to hunt for it by hand, because every round-trip search on TICKETS.PT already tests this. When the cheapest outbound and the cheapest return happen to fall on different airlines, two one-way tickets can add up to fewer euros than any single round-trip fare. We pair the two into a combined result, but only show it when it beats the best conventional round trip, with the saving visible. The trade-off is logistics: a combined result is two tickets on two airlines. You confirm each leg separately and re-check your bags at the connection rather than checking them through to your final destination. For a simple round trip with cabin-only luggage, that's usually no problem; with tight connections or hold baggage, weigh the saving against the hassle.
If my dates can shift, how much is that flexibility really worth for catching cheap flights?
For travellers leaving Portugal, no single shortcut beats simply being free to move your dates, because flexibility lets you stack savings rather than lean on one trick. Switch to midweek instead of the weekend, then move to an off-peak month, and the two combine into a real cut against a peak-season weekend fare. Shoulder season is the strongest lever on its own: the quieter stretches between holiday peaks usually sit well below high summer or the late-December rush, so a Lisbon–Porto hop or a Lisbon–Funchal run to Madeira tends to be cheaper in spring or autumn. The cheapest months vary by route, region and hemisphere, but "dodge the obvious peaks" almost always holds. Picking the perfect day of the week, by contrast, saves little on a cheap route. That's why a full-month view beats checking one date at a time: on TICKETS.PT, the date picker shows an indicative cheapest fare per month across several months, so the low-priced months jump out at you in euros.
Is it worth flying from a different airport in Portugal to save?
Where you live in Portugal decides whether a different departure airport saves you anything, and when it does, the difference can be sizeable. This applies most if you sit between cities: leaving from Porto or Faro instead of Lisbon, or the other way around, can shift the fare in euros depending on the route and which airline operates there. The caveat is the door-to-door cost. A cheaper flight from a distant airport only pays off once you add parking, ground transport and the extra time to get there — and crossing the country by train or car to another airport adds up. TICKETS.PT detects the airport nearest you, and you can set your origin airport manually. There's no automatic radius search that bundles neighbouring airports into one query, so to test another, set it as your origin and compare. The destination map is the fastest way to scan prices from your area to a range of destinations. In short: compare the total cost of the trip, not just the advertised fare.
Is a cheaper flight with a self-transfer worth the risk of missing the connection?
When a Lisbon–Brazil itinerary undercuts everything else by way of a self-transfer (virtual interlining), the saving is real but the safety net is yours alone. The format joins two separate tickets, often on airlines with no agreement between them, into one journey, and the airlines have no commitment to protect the connection. The real risk is the layover. If the first leg is delayed and you miss the second, that airline owes you nothing; you're a no-show and may have to buy a fresh ticket. You also collect and re-check your own baggage between legs, and compensation is judged ticket by ticket. So weigh the worst case, not the advertised fare: leave a roomy layover — a couple of hours with cabin-only luggage and more time with hold baggage or an airport change — and consider missed-connection insurance. TICKETS.PT shows these options with the relevant warning, and the route map marks every airport change so you decide with your eyes open.
Are price alerts for cheap flights worth setting, or are they just noise?
Reacting beats predicting: an alert grabs a Lisbon–Brazil fare the moment it dips, which is the whole point. A fare changes dozens of times before departure, so a price alert through the TICKETS app watches a route — say, Lisbon to Brazil — and sends you a notification the moment the price actually drops, which turns timing into a rule rather than a guessing game. Set it, then buy in the cheap window or on a real dip. Alerts pay off most when your dates are flexible, when you book well ahead, or when you're following long-haul routes, which swing the most. The blind spot: a flash fare can vanish before any alert fires. If you'd rather have the trend than a single ping, the book-now-or-wait reading classes around a year of price history as buy, wait or neutral. Alerts are free in the TICKETS app.
Will this fare drop, or should I buy the plane ticket now?
There's one reliable way to read a Lisbon–London fare: hold it up against that route's own 12-month history and you'll see whether it can still fall — which is the read the book-now-or-wait tool from TICKETS.PT gives you. Give it a route and it returns one of three answers — buy now, wait or neutral — each with a confidence level, the cheapest and most expensive months, and whether the trend is rising, falling or flat. The rule that goes with the data: inside the cheap window (around six weeks ahead on short-haul, a few months on long-haul) and at or below the route's usual level, book. Early in the cycle, with prices high for the season, waiting can pay off. The strongest signal is the simplest one: don't leave it to the last two weeks, when prices climb fastest. Still unsure? Set a price alert and let the swings decide for you.
If it's free and there's no added margin, how does TICKETS.PT make money?
If there's no margin in the price, what's in it for TICKETS.PT? A referral commission from the seller, paid only when your booking is complete, and never charged to you. The fare you see is the airline's or travel agency's own price, passed straight through with no margin added in euros. When you click to book a flight from Lisbon, we send you to the provider's own site to pay, and it's that provider that pays a commission for the referral. That commission doesn't affect the price you see or what you pay, so comparing flights, the month price view, the destination map and the book-now-or-wait reading are all free — as are route price alerts in the TICKETS app. We only earn on a completed booking, with no subscription, no booking fee and no surcharge added to the fare.
What time of year is cheapest to buy flights from Portugal?
The cheapest time of year to buy flights from Portugal is the shoulder seasons between holiday peaks; that choice alone beats any day-of-the-week trick. In many markets, the lows land in January and February (after the winter holidays) and again in September and October (once the summer crowds ease). The expensive windows are high summer (roughly June to August, with everyone leaving Lisbon and Porto) and the late-December holidays. This flips depending on the route, region and hemisphere — a Southern Hemisphere summer or a local festival can turn it all upside down, especially on a route like Portugal–Brazil — but "avoid the obvious holiday and summer peaks" almost always holds. On TICKETS.PT, you can check the price analyses for destinations, which show the cheapest and most expensive months across 12 months, so the most economical stretches are easy to spot; then search flights on the results page to see the fares available right now.