Cheap flights from Boston to Seattle from $91
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Seattle departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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JetBlue flights from Boston to Seattle
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Alaska Airlines flights from Boston to Seattle
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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 typical price of a round-trip flight between Boston and Seattle?
What is the cheapest month to fly to Seattle?
In general, January is the cheapest month to fly from Boston to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you don’t want to visit Seattle in January, then you should wait until February to fly from Boston, when ticket prices are also cheap, with an average price of $248.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Boston is on a Friday. momondo users have found tickets for Friday departures for as low as $371. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $428.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $301 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $431. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
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 40 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $360 when searching 40 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $296 in the past 72 hours.
What cabin class options are available on Boston Logan Intl to Seattle/Tacoma Intl flights?
There are 4 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.
Can stopping save me money on Boston to Seattle flights?
You could potentially save up to 13% on your flight if you consider stops on a Boston to Seattle flight.
How have Boston to Seattle flight prices changed over time?
As of December 2024, prices for Boston to Seattle flights are approximately 12% cheaper when compared to flights at the same time last year.
How many flights depart from Boston to Seattle on average per day?
As of December 2024, there are 8 flights per day flying from Boston to Seattle. The most common time of day flights depart is 7:00AM, with 62% of flights taking off at noon.
How many flights depart from Boston to Seattle on average per week?
The number of flights available between Boston and Seattle is 57 per week as of December 2024. The most frequent departure day is Wed, with 39% of weekly flights leaving on this day.
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 2484.0 mi. Flights usually cover this in 6h 14m, depending on flying conditions and air traffic around both airports.
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 are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport?
As of December 2024, there are 9 operators available to choose from for flights from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek 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 flights between Boston and Seattle, the leading plane model is Airbus A321neo, making up 27.78% of the total bookings. Other popular models include Airbus A318/A319/A320/A321 with 26.54%, Boeing 737 with 20.97%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 10.19%.
What is the most popular airline from Boston to Seattle?
Based on momondo bookings for flights between Boston and Seattle, the leading airline is Delta, making up 38% of the total bookings. Other popular airlines include Alaska Airlines with 29%, JetBlue with 26%, and American Airlines with 4%.
Best airlines flying from Boston to Seattle
Compare and see reviews for airlines that fly from Boston to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $133 | Free Cancellation | Rating 7.4 3,279 reviews | |||
| PriceFrom $168 | Free Cancellation | Rating 8.0 8,604 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 6.9 399 reviews | |||
| PriceFrom $186 | Free Cancellation | Rating 8.0 9,554 reviews | |||
| PriceFrom $187 | Free Cancellation | Rating 6.3 8,119 reviews | |||
| PriceFrom $204 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.4 9,055 reviews | |||
| PriceFrom $396 | Free Cancellation | Rating 8.1 4,848 reviews |
Delta Flights From Boston to Seattle
Delta flies from Boston to Seattle around 9 times per week, with 8,604 momondo users rating the airline 8.0/10. The cheapest Delta deal from Boston to Seattle in the last 72 hours was $168 (round-trip), much lower than the average airfare cost of $407 for Delta flights on this route.
Alaska Airlines Flights From Boston to Seattle
The best Alaska Airlines deal for Boston to Seattle flight tickets found on momondo in the last 72 hours was $186, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $445 round-trip. Alaska Airlines operates 2 flights out of Boston into Seattle in an average week, so prices vary by time and availability. 9,554 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
Why 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?
Yes. momondo allows you to filter the results for Boston to Seattle flights to just show those with flexible booking policies.
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.