Find the cheapest flights from Dublin to Lisbon in 2026. Compare airlines, prices by month, and booking tips to save on your trip.
Route: Dublin (DUB) → Lisbon (LIS)
Distance: Direct flights not available
Flight Duration: 4h 30m – 7h
Prices by Month
| Month | Avg Price | Demand |
|---|---|---|
| January | €310 | low |
| February | €305 | low |
| March | €340 | low |
| April | €380 | medium |
| May | €440 | medium |
| June | €490 | high |
| July | €540 | high |
| August | €560 | high |
| September | €450 | medium |
| October | €380 | medium |
| November | €320 | low |
| December | €390 | medium |
Airlines on This Route
- Ryanair (direct): from €45 — Book directly on Ryanair’s website — third-party sites often don’t show optional extras clearly. Set alerts for Tuesday/Wednesday when Ryanair releases seats.
- TAP Air Portugal (direct): from €130 — TAP often has promo fares in January and February. Check their specific ‘Promo’ fare class for cheapest rates.
- Aer Lingus (direct): from €95 — Aer Lingus flights depart from Terminal 2 at Dublin — same as Ryanair. Book 3-4 weeks ahead for best prices.
- British Airways (connecting): from €145 — BA prices drop significantly outside school holidays. Consider Heathrow connection if you want to break up the journey.
- KLM (connecting): from €140 — KLM often has competitive connecting prices. Amsterdam airport has excellent facilities for layovers.
Booking Strategy
For Dublin to Lisbon, the sweet spot is booking 2-6 weeks before departure for direct flights. Ryanair consistently undercuts competitors by €50-100 on this route, but factor in baggage costs — what seems like a €35 fare can become €70 with a cabin bag. Tuesday and Wednesday are typically the cheapest days to fly, with Thursday being most expensive. Use Skyscanner’s ‘Everywhere’ feature to compare, then book direct with the airline to avoid third-party booking fees. January through March offers the lowest prices (€300-350 return), while August sees peaks of €550+. If your dates are flexible, use the +/- 3-day date search on Google Flights — you can often save €50-100. Portuguese school holidays (late March, late June) spike prices significantly, so avoid those periods.
Route Tips
- Ryanair operates from Dublin Terminal 2 — arrive at least 2 hours before your flight as security queues can be long during peak times
- Irish passport holders don’t need a visa for Portugal as it’s an EU country — bring your passport or EU national ID card
- Lisbon airport has free WiFi for 24 hours — use it to download offline maps and restaurant recommendations before heading into the city
- If booking a connecting flight, allow at least 90 minutes layover at hub airports — this is the minimum connection time most airlines require
- Consider flying into Lisbon but departing from Porto (or vice versa) — one-way rentals and open-jaw tickets can sometimes work out cheaper than return flights
Frequently Asked Questions
How long is the flight from Dublin to Lisbon?
The direct flight from Dublin (DUB) to Lisbon (LIS) takes approximately 2 hours and 45 minutes. TAP Air Portugal and Aer Lingus operate the quickest services at around 2h 45m, while Ryanair flights are typically closer to 3 hours. If you opt for a connecting flight via London, Amsterdam, or Munich, expect a total journey time of 4 hours 30 minutes to 7 hours depending on layover duration.
How much does it cost to fly from Dublin to Lisbon?
Return flights from Dublin to Lisbon start from around €60-80 with Ryanair when booked well in advance. TAP Air Portugal and Aer Lingus typically charge €100-180 for round trips including baggage. The average price sits around €350-400 for a reasonable mid-season fare. Peak season (July-August) sees prices jump to €500-600 for return tickets, while winter months (January-February) offer the best value at €300-350 for a return.
Are there direct flights from Dublin to Lisbon?
Yes, direct flights are available and operate daily. Ryanair offers the most frequent service with multiple daily flights, typically departing from Dublin Terminal 2. TAP Air Portugal also operates direct flights, usually 2-3 times daily, while Aer Lingus provides 1-2 daily services. Direct flights are significantly quicker (2h 45m) compared to connecting options (4.5h+), making them the preferred choice for most travelers.
What is the cheapest month to fly from Dublin to Lisbon?
January and February are the cheapest months to fly from Dublin to Lisbon, with average return fares of €300-350. November also offers excellent value at similar prices. The most expensive period is summer, particularly August when prices peak at €500-600 for a return. Shoulder seasons (April, May, September, October) offer a good balance between weather and pricing, with typical costs of €350-450.
Which airlines fly from Dublin to Lisbon?
Three airlines operate direct flights: Ryanair (most frequent, budget-focused, from €35 one-way), TAP Air Portugal (national carrier, from €80 one-way, includes checked bag), and Aer Lingus (Irish carrier, from €70 one-way, includes cabin bag). Connecting options include British Airways via London Heathrow, KLM via Amsterdam, Lufthansa via Munich, and Air France via Paris — these typically cost €120-200 but offer more schedule flexibility.
What airport do I fly into in Lisbon?
You will fly into Humberto Delgado Airport (LIS), also known as Lisbon Airport, located 7km northeast of the city center. The Aer Metropolitano bus (ticket €3.80, 10 minutes) or Route 2 Metro (ticket €1.80, 25 minutes) will take you to the city center. Taxis cost around €15-20 to central Lisbon. The airport has two terminals connected by a free shuttle bus, with Terminal 1 handling most international arrivals.
How far in advance should I book Dublin to Lisbon flights?
For this route, booking 2-6 weeks ahead gives the best balance of availability and price. Ryanair releases seats around 6-9 months in advance, and the cheapest fares (€35-60) typically disappear 3-4 weeks before departure. For summer travel (June-August), book at least 6 weeks ahead as prices rise sharply closer to the date. Last-minute bookings (within 1 week) rarely offer deals on this popular route.
Is it cheaper to fly from Dublin to Lisbon on weekdays?
Yes, flying midweek is noticeably cheaper on this route. Tuesday and Wednesday departures typically save €30-60 compared to Friday or Sunday flights. The difference is most pronounced during peak season when the price gap can reach €80-100. If your schedule allows, shifting your trip by just one day can result in significant savings. Monday and Thursday fall in the middle price-wise.
Data updated: 2026-03
