Cheap flights from Massachusetts to Seattle from $109
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Seattle departing on 9/17. 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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How to get the cheapest flight ticket from Massachusetts 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?
In general, January is the cheapest month to fly from Massachusetts to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $236. If you don’t want to visit Seattle in January, then you should wait until March to fly from Massachusetts, when ticket prices are also cheap, with an average price of $279.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Massachusetts is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $413. 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 Massachusetts because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $550.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Massachusetts in the evening is the least expensive time of day to depart. momondo users have found prices as low as $342 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $483. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Massachusetts to Seattle/Tacoma Intl flight route?
Fly from Boston Logan Intl to Seattle/Tacoma Intl for the best Massachusetts - 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 Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Massachusetts for as low as $327 on momondo.
What cabin class options are available on Massachusetts to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Massachusetts 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.
What is the cheapest airline that flies from Massachusetts to Seattle/Tacoma Intl?
Hawaiian Airlines, United Airlines, and Alaska Airlines are the most popular carriers operating from Massachusetts to Seattle/Tacoma Intl
What airlines fly to Seattle?
Delta, JetBlue and Alaska Airlines are the top three most popular airlines that fly to Seattle from Massachusetts according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Massachusetts to Seattle on average per day?
The number of flights available between Massachusetts and Seattle is 37 per day as of June 2025. The most frequent departure time is 6:00PM, with 53% of daily flights leaving at noon.
How many flights depart from Massachusetts to Seattle on average per week?
The number of flights available between Massachusetts and Seattle is 265 per week as of June 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.
Cheap Massachusetts to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Seattle
When did momondo last update prices for flights from Massachusetts to Seattle/Tacoma Intl Airport?
Prices for flights from Massachusetts to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Massachusetts to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Massachusetts to Seattle/Tacoma Intl Airport is 9 as of June 2025.
How old do you have to be to fly from Massachusetts 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 Massachusetts 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 Massachusetts to Seattle?
Based on momondo bookings for flights between Massachusetts and Seattle, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 22.07% of the total bookings. Other popular models include Boeing 737 MAX 9 with 20.05%, Airbus A321neo with 19.03%, and Boeing 737 with 17.02%.
Best airlines flying from Massachusetts to Seattle
Compare and see reviews for airlines that fly from Massachusetts to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $142 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 7.8 2,507 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $177 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $192 | Free Cancellation | Rating 6.3 8,066 reviews | |||
| PriceFrom $219 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 4,280 reviews |
Traveling 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 Massachusetts to Seattle?
Finding the right flight to Seattle from Massachusetts is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Massachusetts to Seattle with flexible booking policies on momondo?
All flight searches from Massachusetts to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Massachusetts to Seattle?
Once you have performed a search for Massachusetts to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Massachusetts to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Massachusetts to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.