Cracking the Transatlantic Flights Code

The booking window question

There's a persistent myth that you should book as far in advance as possible for transatlantic flights. The data doesn't really support that as a blanket rule. For Lisbon specifically, we found the sweet spot for September departures tends to be around the 3–5 month mark — far enough out to catch reasonable fares before the summer release schedules stabilise, not so early that you're locked into inflated advance-purchase prices.

TAP: worth it or not?

TAP Air Portugal is the obvious choice for a Lisbon trip — they fly direct from multiple North American cities and the prices can be competitive. The catch is the baggage policy, which has become genuinely confusing over the last two years. Basic economy now includes only a personal item. Their "discount" fares don't include checked bags, and the add-on fees can close the gap with other carriers quickly.

We ended up looking at three realistic options:

1. TAP direct from our nearest hub — cleanest routing, one aircraft change risk
2. Iberia via Madrid — good pricing in our window, Madrid connection is easy if the timing works
3. British Airways via London — more schedule flexibility, but two connections adds risk

What we booked

Still deciding at the time of recording — but leaning TAP with Smart fare (which includes one carry-on and a checked bag) booked directly through their site, not a third-party aggregator. The pricing difference was marginal and booking direct gives you more flexibility if anything changes.

The upgrade question

We looked at the business class math briefly. The fare difference was roughly $1,800 per person return. For a 7-hour flight that leaves after dinner and arrives in the morning, the calculation didn't work — you're mostly sleeping regardless. We'll save the upgrade logic for something longer.

Next episode

Accommodation — specifically the eternal Lisbon debate: Alfama vs Chiado, and whether apartments actually make more sense than hotels for a trip this length.