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When to Book Flights with United Airlines from San Francisco to Lisbon

• How far in advance should I book tickets for a flight with United Airlines from San Francisco to Lisbon?

  Generally, when trying to get a below average price for your ticket, try to book around 1 days before departure. For the cheapest possible price, our data suggests booking 22 days before departure.

• Is United Airlines the cheapest airline to fly with from San Francisco to Lisbon?

  With an average price of $914 return, United Airlines is not the cheapest airline to fly from San Francisco to Lisbon with. Instead, for the lowest price, our data suggests flying with Virgin Atlantic, where a return flight costs $655 on average.

• What is the cheapest United Airlines flight from San Francisco to Lisbon?

  In the last 5 days, the lowest price for a flight with United Airlines from San Francisco to Lisbon was $640 for a return flight and $347 for a one-way flight.

• Does United Airlines fly direct to Lisbon from San Francisco?

  No, United Airlines does not fly the route directly.

• What’s the cheapest day of the week to fly from San Francisco to Lisbon with United Airlines?

  On average, the cheapest day of the week to fly from San Francisco to Lisbon with United Airlines is Sunday, when prices are around $378. The most expensive day is generally Friday, where the average price is around $482.

• What’s the cheapest month to fly from San Francisco to Lisbon with United Airlines?

  The cheapest month for United Airlines flights to Lisbon from San Francisco is generally February, where plane tickets cost $406 on average. If possible, try to avoid the most expensive months of December and November, where tickets cost $638 and $794 respectively.