Book Cheap Alaska Airlines flight from Seattle (SEA) to Boston (BOS) from CA $138

Find The Best Day to Book a Cheap Alaska Airlines Flights From Seattle to Boston

Cheapest Alaska Airlines Flights from Seattle (SEA) to Boston (BOS)

The cheapest flights to Logan Intl. found within the past 7 days were CA $275 round trip and CA $138 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Seattle - Tacoma Intl. Airport (SEA) to BOS right now?
It’s always prudent to learn about any quarantine requirements and travel advice reports in effect in your destination. Ensure you check out our Covid-19 Travel Advisor for up-to-date info on booking a flight to Logan Intl. Airport (BOS) from Seattle - Tacoma Intl. Airport (SEA).
What terminal is Alaska Airlines at Sea-Tac Airport?
If you’re flying from Seattle - Tacoma Intl. Airport (SEA) to BOS, the chances are you’ll be getting off the plane at terminal B. We can’t say for sure which terminal you’ll be taking off from — it’s a good idea to check with your airline.
Are there Alaska Airlines non-stop flights from SEA to BOS?
With Alaska Airlines offering nonstop flights from Sea-Tac Airport to Logan Intl. Airport (BOS), your next great adventure is just a flight away. Wave goodbye to the stress, inconvenience and delays that are often associated with stopovers, and book your seat today.
How long is an Alaska Airlines flight from SEA to BOS?
Watch a movie or two, listen to music through your headphones or just recline your seat and relax. Whatever you’re into, find a way to entertain yourself during the 5 hours and 58 minutes that it takes to journey from Sea-Tac Airport to Logan Intl. Airport (BOS) with Alaska Airlines.
What type of aircraft does Alaska Airlines fly from SEA to BOS?
Booked a flight from SEA to BOS with Alaska Airlines? On this route, you’ll usually be hopping on board either the Boeing 737 MAX 9 or the Boeing 737-800 type aircraft.
How many direct and indirect flights does Alaska Airlines fly from SEA to BOS?
You can take your pick of about 4 flights each day with Alaska Airlines from Seattle - Tacoma Intl. Airport (SEA) to BOS.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Logan Intl. Airport (BOS), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Grab a great Alaska Airlines flight from SEA to BOS 

To find a great deal on Alaska Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying Alaska Airlines Seattle to Boston gives you 1 fights to choose from. With that direct flight time of 26, you’ll be touching down before you know it.  

 

Find cheap flights with Alaska Airlines between Seattle and Boston 

Alaska Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to Boston with Alaska Airlines are February.  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your Alaska Airlines flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

Alaska Airlines Airports
Hop on a(n) Alaska Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
SEAUSASeattle - Tacoma Intl.115
ORDUSAO'Hare Intl.44
LAXUSALos Angeles Intl.24
PDXUSAPortland Intl.23
ANCUSATed Stevens Anchorage Intl.22
SFOUSASan Francisco Intl.21
SANUSASan Diego Intl.18
JNUUSAJuneau Intl.10
SJCUSANorman Y. Mineta San Jose Intl.10
GEGUSASpokane Intl.7

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