$119 Find Cheap Delta Flights from Boston to Seattle

When to Book Flights with Delta from Boston to Seattle

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

  Generally, when trying to get a below average price for your ticket, try to book around 7 days before departure. For the cheapest possible price, our data suggests booking 72 days before departure.

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

  With an average price of $400 return, Delta is not the cheapest airline to fly from Boston to Seattle with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $285 on average.

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

  In the last 3 days, the lowest price for a flight with Delta from Boston to Seattle was $164 for a return flight and $123 for a one-way flight.

• Does Delta fly direct to Seattle from Boston?

  Yes, Delta does offer direct flights for the route, with around 12 flights per week.

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

  On average, the cheapest day of the week to fly from Boston to Seattle with Delta is Monday, when prices are around $103. The most expensive day is generally Saturday, where the average price is around $148.

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

  The cheapest month for Delta flights to Seattle from Boston is generally March, where plane tickets cost $163 on average. If possible, try to avoid the most expensive months of August and December, where tickets cost $323 and $331 respectively.