$106 Cheap flight deals from Boston (BOS) to Seattle (SEA)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Boston to Seattle

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $106 One Way, $226 Round Trip from Boston to Seattle

Prices starting at $226 for return flights and $106 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Seattle economy flight packages

Lotte Hotel Seattle
Hotel Max
The Belltown Inn
Don't see what you're looking for?
See all available trips from Boston to Seattle
View all trips
Prices and availability subject to change. Additional terms may apply.

More About Flying To Seattle from Boston

Route Information for Flights from Boston to Seattle

Origin Airport IATA Code
BOS
Destination Airport IATA Code
SEA
Distance
2487 mi
Direct Flight Airlines
American Airlines, Qatar Airways, KLM, JAL, Aer Lingus, China Eastern Airlines, Delta Air Lines, Alaska Airlines, JetBlue, Hawaiian Airlines, Air Tahiti Nui, Korean Air, TAP Air Portugal, Virgin Atlantic
Earliest Flight Arrival
5:07PM UTC
Latest Flight Arrival
4:59AM UTC

Flying from Boston to Seattle

When you’re looking for flights from Boston to Seattle, Orbitz.com has the tools to help you arrange all the practical details of your trip in advance. You’ll arrive at your destination rested, relaxed, and ready for work or play in the Pacific Northwest.

Leaving Boston

You can park your car at Boston’s Logan International Airport for $27 a day or choose the economy lot for $18; all lots offer shuttles to the terminal. Affordable daily and weekly parking is also located in Quincy; from there, you can take a ferry to the airport. Other choices include the MBTA’s Blue and Silver Lines from downtown, shared vans, and Logan Express dedicated taxis. The MassPort website offers a GetUthere app to help you find the best transportation. Along with a range of shopping and dining choices, Logan offers a children’s play area and a spa.

Visiting Seattle

You’ll arrive at Sea-Tac Airport, where you’ll be welcomed by art, sculpture, and the music of Northwestern musicians. An information booth located on the third floor of the airport garage can help you choose a ground transportation option; choices include a dozen rental car companies, light rail, bus, taxi, and a wide selection of shared vans and shuttle services. You might want to check out one of the wide range of guided tour choices, focusing on everything from history, architecture, or food to crime scenes or ghosts, to get your bearings in this jewel of the Northwest. Seattle’s highlights include museums for  everything from Asian art to wildlife, a thriving music scene, the world-famous Pike Place Market, Chinatown, and an entire “java culture” that is sure to please coffee lovers.

Your Northwestern Journey

You’ll find plenty of choices on Orbitz.com to make finding flights from Boston to Seattle quick and simple. Let us help you find deals on accommodations and rental cars too, and you’ll have more to spend on Seattle’s many pleasures, whether you’re hankering for a day trip to Mt. Rainier, a deep sea fishing charter, or a hot night of clubbing.

Frequently asked questions

Are there non-stop flights from Boston to Seattle?
Yes, if you’re cruising from BOS to Seattle, WA (SEA-Seattle - Tacoma Intl.), you’ll only have one flight number to keep track of. There are 3 airlines offering direct services to select from. Here are a few of the best:

  • Delta
  • Alaska Airlines
  • JetBlue

What is the shortest flight from Boston to Seattle?
From Boston, the wonderful sights and sounds of Seattle are at least 7 hours and 15 minutes away. Secure your favorite seat, or perhaps even upgrade to one with extra legroom, and travel to your destination in total comfort.
What airlines fly from Boston to Seattle most frequently?
Consider booking a ticket with Delta (DL), which flies frequently along this route. This airline operates 86 flights each month between Logan Intl. Airport and SEA. Alaska Airlines (AS) also services the route from Boston to Seattle. It’s another reputable choice and has 82 flights monthly.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.