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Alaska Airlines flights from Seattle to Boston (SEA - BOS)

SEA — BOS
Jun 6 — Jun 131
From?
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Thu 6/6
Thu 6/13
1 adult, Economy
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Cheapflights users flying from Seattle to Boston on Alaska Airlines typically fly into Boston Logan Intl and depart from Seattle/Tacoma Intl. Select your dates above for pricing.

Alaska Airlines flights from Seattle to Boston in 2024

Find detailed information about Alaska Airlines flights from Seattle to Boston. Explore the options provided by Alaska Airlines to plan your journey from Seattle to Boston. Data last updated June 1, 2024.

Popular in

July

Cheapest in

January

Average price (all airlines)

$498

One-way from

$114

Round-trip from

$227
Highest demand for flights from Seattle/Tacoma Intl to Boston Logan Intl; 22% potential price increase.
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Best time to find cheap flights from Seattle/Tacoma Intl to Boston Logan Intl; 3% potential price drop.
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Average price for all Seattle/Tacoma Intl to Boston Logan Intl flights (one-way and round-trip).
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Cheapest one-way Alaska Airlines flight from Seattle/Tacoma Intl to Boston Logan Intl
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Cheapest round-trip Alaska Airlines flight from Seattle/Tacoma Intl to Boston Logan Intl
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  • Can I get a flight from Seattle to Boston on Alaska Airlines for under $500?

    Cheapflights users have found 35 Alaska Airlines flights for under $500 on the SEA-BOS route. Prices on flights to Boston from Seattle can vary based on many factors including dates. To look at price based on your preferred dates, click here.

  • How do most travelers feel about Alaska Airlines?

    The average rating from 8,607 Alaska Airlines reviews by Cheapflights users is 6.4 (out of a maximum rating of 10). If you are considering flying SEA-BOS with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Boston with Alaska Airlines.

Cheapest Alaska Airlines flights from Seattle to Boston

Discover the cheapest flight options specifically offered by Alaska Airlines for travel from Seattle to Boston. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on June 1, 2024.
Sat 6/83:35 pmSEA - BOS
Nonstop5h 24mAlaska Airlines
Fri 6/147:59 pmBOS - SEA
Nonstop6h 23mAlaska Airlines
Deal found 5/31$319
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Wed 6/126:30 amSEA - BOS
Nonstop5h 26mAlaska Airlines
Thu 6/137:00 amBOS - SEA
Nonstop6h 17mAlaska Airlines
Deal found 5/31$327
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Fri 6/77:45 pmSEA - BOS
1 stop8h 50mAlaska Airlines
Thu 6/137:59 pmBOS - SEA
Nonstop6h 23mAlaska Airlines
Deal found 5/31$336
Pick Dates

Direct flights from Seattle to Boston on Alaska Airlines

Discover the cheapest flight options specifically offered by Alaska Airlines for travel from Seattle to Boston. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on June 1, 2024.
Tue 9/179:29 pmSEA - BOS
Nonstop5h 15mAlaska Airlines
Wed 9/257:00 amBOS - SEA
Nonstop6h 17mAlaska Airlines
Deal found 5/31$227
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Tue 9/179:29 pmSEA - BOS
Nonstop5h 15mAlaska Airlines
Sat 9/217:00 amBOS - SEA
Nonstop6h 17mAlaska Airlines
Deal found 5/31$262
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Mon 9/169:29 pmSEA - BOS
Nonstop5h 15mAlaska Airlines
Thu 9/267:59 pmBOS - SEA
Nonstop6h 14mAlaska Airlines
Deal found 5/31$297
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Last minute deals on Cheapflights

Explore last-minute flight deals on Alaska Airlines for various destinations, including Seattle to Boston. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated June 1, 2024 and based on user searches. In the last 7 days, Cheapflights users made a total of 2,784,634 searches.
Sat 6/83:35 pmSEA - BOS
Nonstop5h 24mAlaska Airlines
Fri 6/147:59 pmBOS - SEA
Nonstop6h 23mAlaska Airlines
Deal found 5/31$319
Pick Dates
Fri 6/77:45 pmSEA - BOS
1 stop8h 50mAlaska Airlines
Thu 6/137:59 pmBOS - SEA
Nonstop6h 23mAlaska Airlines
Deal found 5/31$336
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Fri 6/73:35 pmSEA - BOS
Nonstop5h 24mAlaska Airlines
Mon 6/107:59 pmBOS - SEA
Nonstop6h 09mAlaska Airlines
Deal found 5/31$387
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One-way Alaska Airlines flights to Boston from Seattle

Search for one-way flight options from Seattle to Boston specifically provided by Alaska Airlines. Find affordable one-way fares from Alaska Airlines and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,784,634 searches. The data was last updated on June 1, 2024.
Tue 9/109:29 pmSEA - BOS
Nonstop5h 15mAlaska Airlines
Deal found 5/31$114
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Tue 9/39:29 pmSEA - BOS
Nonstop5h 15mAlaska Airlines
Deal found 5/31$149
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Sat 9/283:45 pmSEA - BOS
Nonstop5h 14mAlaska Airlines
Deal found 5/30$159
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Best time to book a flight from Seattle to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Boston by month

Plan your trip to Boston by taking into account the average temperature and rainfall totals by month.

BOS

Temperature

30.2 - 73.4 °F

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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Fly from Seattle to Boston on another airline
Consider alternative airlines that service the Boston area. Flight routes are based on user searches made on Cheapflights and were last updated on June 1, 2024.

Delta flights from Seattle/Tacoma Intl to Boston Logan Intl
JetBlue flights from Seattle/Tacoma Intl to Boston Logan Intl

See what others are saying about Alaska Airlines

Read reviews and see what other travelers are saying about their experiences with Alaska Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Alaska Airlines for your next flight. Reviews last updated June 1, 2024.
Alaska Airlines
8.0
Very good
9,197 reviews
Check prices
Overview

Crew

8.6

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.3
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