$594 Find Cheap Delta Flights from Boston to Lisbon

When to Book Flights with Delta from Boston to Lisbon

• How far in advance should I book tickets for a flight with Delta from Boston to Lisbon?

  Generally, when trying to get a below average price for your ticket, try to book around 3 days before departure. For the cheapest possible price, our data suggests booking 48 days before departure.

• Is Delta the cheapest airline to fly with from Boston to Lisbon?

  With an average price of $967 return, Delta is not the cheapest airline to fly from Boston to Lisbon with. Instead, for the lowest price, our data suggests flying with PLAY, where a return flight costs $387 on average.

• What is the cheapest Delta flight from Boston to Lisbon?

  In the last 3 days, the lowest price for a flight with Delta from Boston to Lisbon was $554 for a return flight and $252 for a one-way flight.

• Does Delta fly direct to Lisbon from Boston?

  Yes, Delta does offer direct flights for the route, with around 6 flights per week.

• What’s the cheapest day of the week to fly from Boston to Lisbon with Delta?

  On average, the cheapest day of the week to fly from Boston to Lisbon with Delta is Monday, when prices are around $351. The most expensive day is generally Wednesday, where the average price is around $416.

• What’s the cheapest month to fly from Boston to Lisbon with Delta?

  The cheapest month for Delta flights to Lisbon from Boston is generally February, where plane tickets cost $369 on average. If possible, try to avoid the most expensive months of May and June, where tickets cost $805 and $825 respectively.