FlexTrip Alerts

Flight price alerts: Barcelona → Lisbon

Sample round trips on this route start around EUR 62; October 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.

Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.

Sample fares from EUR 62. Cheapest month in our next-3-month sample: October 2026.

Set an alert and we email you when a round trip drops under your limit.

Set a price alert

Round trips on this route

Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.

Last updated .

  • Round trip · 11 nights
    Sat 24 Oct · 17:25
    Return Wed 04 Nov · 17:40

    EUR 62

    See deal
  • Round trip · 1 night
    Tue 22 Sept · 12:10
    Return Wed 23 Sept · 21:15

    EUR 63

    See deal
  • Round trip · 1 night
    Thu 24 Sept · 17:35
    Return Fri 25 Sept · 22:10

    EUR 71

    See deal
  • Round trip · 1 night
    Tue 29 Sept · 07:20
    Return Wed 30 Sept · 20:20

    EUR 71

    See deal
  • Round trip · Same day · 10h at destination
    Wed 14 Oct · 07:20
    Return Wed 14 Oct · 20:20

    EUR 71

    See deal
  • Round trip · 2 nights
    Tue 13 Oct · 17:05
    Return Thu 15 Oct · 21:15

    EUR 72

    See deal
  • Round trip · 1 night
    Wed 28 Oct · 07:15
    Return Thu 29 Oct · 06:25

    EUR 73

    See deal
  • Round trip · 4 nights
    Fri 18 Sept · 19:25
    Return Tue 22 Sept · 21:15

    EUR 74

    See deal
  • Round trip · 3 nights
    Sat 17 Oct · 17:25
    Return Tue 20 Oct · 18:55

    EUR 74

    See deal
  • Round trip · Same day · 55m at destination
    Thu 17 Sept · 17:20
    Return Thu 17 Sept · 21:15

    EUR 75

    See deal
  • Round trip · 7 nights
    Sat 24 Oct · 17:25
    Return Sat 31 Oct · 07:05

    EUR 75

    See deal
  • Round trip · 7 nights
    Mon 26 Oct · 10:00
    Return Mon 02 Nov · 06:25

    EUR 76

    See deal
  • Round trip · 3 nights
    Mon 26 Oct · 10:00
    Return Thu 29 Oct · 06:25

    EUR 76

    See deal
  • Round trip · 5 nights
    Sat 24 Oct · 17:25
    Return Thu 29 Oct · 06:25

    EUR 80

    See deal
  • Round trip · 10 nights
    Sun 27 Sept · 07:20
    Return Wed 07 Oct · 19:10

    EUR 81

    See deal

Frequently asked questions

How do I get email alerts when Barcelona to Lisbon flights drop in price?
Create a free FlexTrip Alerts tracker for Barcelona El Prat Airport (BCN) to Lisbon Humberto Delgado Airport (LIS). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
Does FlexTrip Alerts book flights from Barcelona to Lisbon?
No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
Can I set flexible travel dates for Barcelona to Lisbon alerts?
Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
How often does FlexTrip Alerts check Barcelona to Lisbon fares?
We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
What is the cheapest month to fly from Barcelona to Lisbon?
Based on recent fare samples on this page, October 2026 is currently the cheapest month to fly from Barcelona to Lisbon, with round trips from about EUR 62. Prices change — set an alert to catch the next drop.

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Barcelona (BCN) → Madrid (MAD)Barcelona (BCN) → Rome (FCO)Barcelona (BCN) → Milan (MXP)Barcelona (BCN) → Amsterdam (AMS)Barcelona (BCN) → Berlin (BER)Barcelona (BCN) → Munich (MUC)

Flying to Lisbon?

See all 5 departure cities with price alerts into Lisbon Humberto Delgado Airport (LIS).

View routes to Lisbon