
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Delta) |
One-way from | $148 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $437 |
Fly from
Fly to
Route
Depart
Return
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 6/6
12:35 pm-11:29 pm
1 stop7h 54m
Boston Logan Intl
Fri 6/12
7:25 pm-10:49 pm
Nonstop6h 24m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 5/13
11:15 am-7:49 pm
Nonstop5h 34m
Boston Logan Intl
Thu 5/28
10:55 am-8:30 pm
1 stop12h 35m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 5/20
11:45 am-10:51 pm
1 stop8h 06m
Boston Logan Intl
Wed 5/27
6:15 am-3:05 pm
1 stop11h 50m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 9/19
10:00 pm-6:35 am
Nonstop5h 35m
Boston Logan Intl
Sat 9/26
6:35 pm-10:05 pm
Nonstop6h 30m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 8/19
5:30 pm-6:00 am
1 stop9h 30m
Boston Logan Intl
Wed 8/26
2:45 pm-11:25 pm
2 stops11h 40m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Wed 9/16
10:47 pm-9:23 am
1 stop7h 36m
Boston Logan Intl
Sun 9/20
6:00 am-12:23 pm
1 stop9h 23m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 5/30
11:00 pm-7:35 am
Nonstop5h 35m
Boston Logan Intl
Wed 6/3
7:48 am-10:53 am
Nonstop6h 05m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Mon 9/14
7:25 pm-9:55 am
2 stops11h 30m
Boston Logan Intl
Fri 9/18
5:50 am-1:55 pm
2 stops11h 05m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Sat 5/2
10:35 pm-6:55 am
Nonstop5h 20m
Boston Logan Intl
Sat 5/23
11:55 am-3:05 pm
Nonstop6h 10m
SeattleBoston
SEA - BOS
SEABOS
Seattle/Tacoma Intl
Tue 7/7
11:59 pm-10:43 am
1 stop7h 44m
Boston Logan Intl
Mon 7/20
7:20 pm-10:49 pm
Nonstop6h 29m
To ensure you get the cheapest price possible for a flight from Seattle to Falmouth, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
It’s optimal to fly from Seattle to Falmouth at noon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Seattle to Falmouth flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to FM5 are scheduled on a Tuesday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
SEA - MSY
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$302 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$326 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$154 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$194 | Average$326 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$196 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$233 | Average$457 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$235 | Average$454 | FlexibilityNo cancel fee | On-time75% |