Question 1

How much does a flight from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?

Accepted Answer

One-way flights typically cost between $514 and $2,143 and return flights often range between $1,191 and $3,907. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.

Question 2

What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

September is typically the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around 829 AUD. This is about 16% lower than the average price throughout the year. September often sees lower prices as the peak summer travel season winds down, and demand decreases. Other cheap months to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include January and February.

Question 3

Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

Enter BOS to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Question 4

How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

Question 5

What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

The best airline to fly with from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveller to traveller. If you like to fly early, AS offers early morning flights. If price is the most important factor, B6 typically offers the lowest fares. AA offers the most daily flights from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

Question 6

What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

Based on booking data from the past year, the best time to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) depends on what you're looking for. If you're aiming for the lowest prices, September and January are typically the cheapest months, with average return flights around 829 AUD. However, if you prefer to travel when there are heaps of flight options and higher demand, December and March are the most popular months. Since there isn't a month that is both cheapest and most popular, you can choose based on whether price or flight availability is more important for your trip.

Question 7

How many flights per day from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

There are approximately 5 nonstop flights per day from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). For even more choice, look at flights that include layovers, as there are around 162 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Baltimore Washington Intl. Thurgood Marshall (BWI), and Denver Intl. (DEN).

Question 8

What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

The earliest flight from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in June, July, and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

Question 9

What day of the week has the most flights from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

You'll find the most flights from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Friday, with around 107 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Friday offers notably more flight options compared to other days of the week, making it a great day to find a flight that suits your schedule.

Question 10

What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. Around 33% of passengers reckon this time window's best. Heaps of major carriers, including Delta Air Lines, American Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive in Seattle with plenty of time.

Question 11

How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

Flying nonstop from BOS to SEA takes around 6 hours 30 minutes, with the route covering approximately 2,488 miles. Flights with a layover typically take 4 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Question 12

Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

Select the "Business class" and "First class" filters when looking for BOS to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

Question 13

How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?

Accepted Answer

It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Question 14

What airports do you fly into for Seattle from Logan Intl. (BOS)?

Accepted Answer

From Logan Intl. (BOS), you can fly directly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Diego Intl. (SAN), Portland Intl. (PDX) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Question 15

Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?

Accepted Answer

Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Question 16

Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?

Accepted Answer

Securing a Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Question 17

Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Accepted Answer

If you booked your Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Origin airport	Logan Intl.
Destination airport	Seattle - Tacoma Intl.
Airlines serving	Alaska Airlines, American Airlines, Delta, United
Return price	AU$423
Distance	3980 km
Average flight time	4 hours 27 mins

Popular airlines from Logan International Airport (BOS) to Seattle-Tacoma International Airport (SEA)

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