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Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Booking.com) |
One-way from | $101 (Trip.com) |
Popular in | July |
Cheapest in | January |
Average price | $282 |
Good round-trip deal | $237 or less |
Good one-way deal | $152 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sun 5/4
7:35 pm-9:28 pm
2 stops22h 53m
Boston Logan Intl
Fri 5/9
8:28 pm-2:25 pm
2 stops20h 57m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sun 5/4
7:35 pm-9:28 pm
2 stops22h 53m
Boston Logan Intl
Fri 5/9
7:00 am-10:13 am
Nonstop6h 13m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 4/2
3:45 pm-11:59 pm
Nonstop5h 14m
Boston Logan Intl
Sat 4/5
9:30 am-12:55 pm
Nonstop6h 25m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 4/23
11:30 pm-7:55 am
Nonstop5h 25m
Boston Logan Intl
Fri 5/2
7:00 am-10:13 am
Nonstop6h 13m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 5/7
9:30 pm-9:49 am
1 stop9h 19m
Boston Logan Intl
Sun 5/11
7:05 am-10:23 am
Nonstop6h 18m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Fri 4/4
3:35 pm-11:53 pm
Nonstop5h 18m
Boston Logan Intl
Mon 4/14
5:25 pm-8:48 pm
Nonstop6h 23m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 4/2
11:59 pm-10:38 am
1 stop7h 39m
Boston Logan Intl
Sat 4/5
5:15 am-12:33 pm
1 stop10h 18m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Thu 4/3
8:50 am-7:55 pm
1 stop8h 05m
Boston Logan Intl
Mon 4/7
4:32 pm-10:16 pm
1 stop8h 44m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Tue 7/15
5:00 am-6:20 pm
2 stops10h 20m
Boston Logan Intl
Tue 7/29
5:20 pm-12:15 am
1 stop9h 55m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Mon 3/31
10:29 am-12:25 am
1 stop10h 56m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy- | Trust Score*3 stars |
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Seattle to Boston (average of $218). Flying from Seattle to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Seattle to Boston by exploring options for tickets in the afternoon.
Travelers seeking maximum savings on their Seattle to Boston flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to BOS are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.
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).
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Comfort
Food
Crew
Overall
Boarding
Entertainment
Reviews
Ila,Mar 2025
HOU - DAL
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$108 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$138 | Average$397 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$145 | Average$277 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$176 | Average$380 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$179 | Average$419 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$223 | Average$483 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$228 | Average$405 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$236 | Average$414 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$411 | Average$476 | FlexibilityNo cancel fee | On-time63% |