Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customie your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Boston to Seattle
Cheap return flights
Cheap one-way flights
See travel insights to Seattle from
How to get the cheapest flight ticket from Boston to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
If you aren’t able to travel during the month of January, then book flights to Seattle from Boston during November instead. Flights to Seattle in November, while not as cheap as those in January, still average around ₹ 25,717.
What is the cheapest day to depart on your flight to Seattle?
The cheapest day to depart from Boston to Seattle is on a Monday. Travellers who choose to depart for Seattle on a Monday will often find tickets for as low as ₹ 0. Flights from Boston to Seattle on a Tuesday will generally be more expensive and average around ₹ 39,636. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Seattle?
Our data shows that the cheapest Boston to Seattle flights are usually those with departure times at midday. Our users have found flights to Seattle at midday for as low as ₹ 0. Try not to purchase tickets in the morning because they tend to be around ₹ 39,636. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Boston Logan Intl to Seattle/Tacoma Intl flight route?
Fly from Boston Logan Intl to Seattle/Tacoma Intl for the best Boston Logan Intl - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Boston when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around ₹ 32,118 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Boston for as low as ₹ 30,235 on momondo.
What cabin class options are available on Boston Logan Intl to Seattle/Tacoma Intl flights?
There are 2 cabin classes available to choose from on Boston Logan Intl to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
When to book flights from Boston to Seattle
Cheap Boston to Seattle (BOS to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Seattle
How far is Boston Logan Intl to Seattle/Tacoma Intl by plane?
The straight-line distance from Boston Logan Intl to Seattle/Tacoma Intl is 3997.7 km.
When did momondo last update prices for flights from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to Seattle is Airbus A321neo (27.95% of total bookings). The next most popular plane models are Airbus A318/A319/A320/A321 (22.48%), Boeing 737 (21.74%), and Boeing 737-900 Passenger/BBJ3 (winglets) (6.61%).
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Boston to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Boston which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Boston to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Boston.
I’m not ready to book a flight from Boston to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Boston and alert you when they change.