United Airlines Seattle to Boston Flights
Return flight: Boston – Seattle
Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Boston. Compare airline ticket prices and book air tickets starting from $174 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.
Find Cheap Airfare Seattle (WA) — Boston (MA) by United Airlines
To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in december: one-way - $174, two-way – $298.
Direct flights
Check prices for return flight
Cheap Flights from Seattle to Boston by United Airlines
Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $174. There’re no direct flights. The fastest connecting flight – 7h 12m.
| Price | Departure | Arrival | Flight Time | Airline | Flight |
|---|---|---|---|---|---|
| from $174 | 4:23 pm Seattle Seattle-Tacoma Intl | 4:53 am+1 день Boston Logan | 9h 30m layover 1h 35m - San Francisco | United Airlines | UA737 UA2488 |
| from $174 | 2:00 pm Seattle Seattle-Tacoma Intl | 4:53 am+1 день Boston Logan | 11h 53m layover 3h 58m - San Francisco | United Airlines | UA375 UA2488 |
| from $175 | 9:25 am Seattle Seattle-Tacoma Intl | 10:08 pm Boston Logan | 9h 43m layover 1h 51m - San Francisco | United Airlines | UA1960 UA354 |
| from $191 | 7:15 am Seattle Seattle-Tacoma Intl | 9:52 pm Boston Logan | 11h 37m layover 3h 39m - San Francisco | United Airlines | UA1403 UA2851 |
| from $191 | 12:35 pm Seattle Seattle-Tacoma Intl | 11:37 pm Boston Logan | 8h 2m layover 1h 21m - Denver | United Airlines | UA1483 UA1510 |
| from $191 | 9:20 am Seattle Seattle-Tacoma Intl | 9:43 pm Boston Logan | 9h 23m layover 1h 21m - San Francisco | United Airlines | UA1960 UA2851 |
| from $191 | 7:00 am Seattle Seattle-Tacoma Intl | 5:23 pm Boston Logan | 7h 23m layover 0h 54m - Chicago | United Airlines | UA1373 UA580 |
| from $191 | 7:00 am Seattle Seattle-Tacoma Intl | 5:15 pm Boston Logan | 7h 15m layover 0h 51m - Newark | United Airlines | UA1329 UA3472 |
| from $191 | 7:05 am Seattle Seattle-Tacoma Intl | 7:31 pm Boston Logan | 9h 26m layover 1h 20m - San Francisco | United Airlines | UA1403 UA2259 |
| from $192 | 7:00 am Seattle Seattle-Tacoma Intl | 5:12 pm Boston Logan | 7h 12m layover 0h 51m - Newark | United Airlines | UA1329 UA1835 |
| from $192 | 11:59 pm Seattle Seattle-Tacoma Intl | 10:56 am+1 день Boston Logan | 7h 57m layover 1h 30m - Chicago | United Airlines | UA2019 UA1083 |
| from $192 | 6:00 pm Seattle Seattle-Tacoma Intl | 5:56 am+1 день Boston Logan | 8h 56m layover 2h 15m - Denver | United Airlines | UA1279 UA2610 |
| from $238 | 11:55 pm Seattle Seattle-Tacoma Intl | 12:45 pm+1 день Boston Logan | 9h 50m layover 3h 28m - Chicago | United Airlines | UA747 UA217 |
| from $276 | 5:00 am Seattle Seattle-Tacoma Intl | 7:32 pm Boston Logan | 11h 32m layover 4h 53m - Denver | United Airlines | UA2269 UA230 |
| from $197 | 7:00 am Seattle Seattle-Tacoma Intl | 11:59 pm Boston Logan | 13h 59m layover 3h 17m - Houston 1h 44m - Washington D.C. | United Airlines | UA1788 UA1788 UA755 |
| from $287 | 5:10 pm Seattle Seattle-Tacoma Intl | 12:45 pm+1 день Boston Logan | 16h 35m layover 3h 2m - Los Angeles 4h 19m - Chicago | United Airlines | UA2397 UA2622 UA217 |
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 11/24/2024
United Airlines Flight Schedule Seattle to Boston
Below is a detailed 2024 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
| Departure | Arrival | Flight Details | Flight Time | Price |
|---|---|---|---|---|
|
10:55 am — 9:40 pm
|
10:55 am — 4:59 pm
UA2296
United Airlines
Seattle — Chicago
1h 16m stop
6:15 pm — 9:40 pm
UA1742
United Airlines
Chicago — Boston
|
7h 45m including layover |
Find flight
from$334 |
|
|
11:05 am — 9:59 pm
|
11:05 am — 5:10 pm
UA747
United Airlines
Seattle — Chicago
1h 20m stop
6:30 pm — 9:59 pm
UA1989
United Airlines
Chicago — Boston
|
7h 54m including layover |
Find flight
from$191 |
|
|
11:59 pm — 10:56 am
+1 day
|
11:59 pm — 6:00 am
UA2019
United Airlines
Seattle — Chicago
1h 30m stop
7:30 am — 10:56 am
UA1083
United Airlines
Chicago — Boston
|
7h 57m including layover |
Find flight
from$192 |
|
|
12:35 pm — 11:37 pm
|
12:35 pm — 4:17 pm
UA1483
United Airlines
Seattle — Denver
1h 21m stop
5:38 pm — 11:37 pm
UA1510
United Airlines
Denver — Boston
|
8h 2m including layover |
Find flight
from$191 |
|
|
12:35 pm — 5:56 am
+1 day
|
12:35 pm — 4:17 pm
UA1483
United Airlines
Seattle — Denver
7h 42m stop
11:59 pm — 5:56 am
UA2610
United Airlines
Denver — Boston
|
14h 21m including layover |
Find flight
from$250 |
|
|
2:00 pm — 4:53 am
+1 day
|
2:00 pm — 4:17 pm
UA375
United Airlines
Seattle — San Francisco
3h 58m stop
8:15 pm — 4:53 am
UA2488
United Airlines
San Francisco — Boston
|
11h 53m including layover |
Find flight
from$174 |
|
|
2:00 pm — 7:23 am
+1 day
|
2:00 pm — 4:17 pm
UA375
United Airlines
Seattle — San Francisco
6h 28m stop
11:00 pm — 7:38 am
UA1665
United Airlines
San Francisco — Boston
|
14h 23m including layover |
Find flight
from$301 |
|
|
3:16 pm — 5:49 am
+1 day
|
5:00 am — 8:47 am
UA757
United Airlines
Seattle — Denver
4h 58m stop
11:59 pm — 5:51 am
UA2610
United Airlines
Denver — Boston
|
11h 33m including layover |
Find flight
from$250 |
|
|
3:25 pm — 7:53 am
+1 day
|
3:25 pm — 5:44 pm
UA589
United Airlines
Seattle — San Francisco
5h 26m stop
11:10 pm — 7:53 am
UA1665
United Airlines
San Francisco — Boston
|
13h 28m including layover |
Find flight
from$271 |
|
|
4:23 pm — 4:53 am
+1 day
|
4:23 pm — 6:40 pm
UA737
United Airlines
Seattle — San Francisco
1h 35m stop
8:15 pm — 4:53 am
UA2488
United Airlines
San Francisco — Boston
|
9h 30m including layover |
Find flight
from$174 |
|
|
4:58 pm — 5:02 am
+1 day
|
4:58 pm — 7:10 pm
UA2482
United Airlines
Seattle — San Francisco
1h 15m stop
8:25 pm — 5:02 am
UA1230
United Airlines
San Francisco — Boston
|
9h 4m including layover |
Find flight
from$409 |
|
|
5:00 am — 9:57 pm
|
5:00 am — 8:47 am
UA2269
United Airlines
Seattle — Denver
7h 18m stop
4:05 pm — 9:57 pm
UA1027
United Airlines
Denver — Boston
|
13h 57m including layover |
Find flight
from$249 |
|
|
5:00 am — 7:48 pm
|
5:00 am — 8:43 am
UA2269
United Airlines
Seattle — Denver
5h 12m stop
1:55 pm — 7:48 pm
UA260
United Airlines
Denver — Boston
|
11h 48m including layover |
Find flight
from$250 |
|
|
6:00 pm — 5:56 am
+1 day
|
6:00 pm — 9:44 pm
UA1279
United Airlines
Seattle — Denver
2h 15m stop
11:59 pm — 5:56 am
UA2610
United Airlines
Denver — Boston
|
8h 56m including layover |
Find flight
from$192 |
|
|
6:00 pm — 7:38 am
+1 day
|
6:00 pm — 8:17 pm
UA1914
United Airlines
Seattle — San Francisco
2h 43m stop
11:00 pm — 7:38 am
UA1665
United Airlines
San Francisco — Boston
|
10h 38m including layover |
Find flight
from$336 |
|
|
7:15 am — 9:52 pm
|
7:05 am — 9:25 am
UA1403
United Airlines
Seattle — San Francisco
3h 39m stop
1:00 pm — 9:43 pm
UA2851
United Airlines
San Francisco — Boston
|
11h 37m including layover |
Find flight
from$191 |
|
|
7:32 pm — 7:57 am
+1 day
|
4:23 pm — 6:40 pm
UA737
United Airlines
Seattle — San Francisco
1h 30m stop
11:00 pm — 7:38 am
UA1665
United Airlines
San Francisco — Boston
|
9h 25m including layover |
Find flight
from$191 |
|
|
8:05 am — 6:47 pm
|
8:05 am — 4:03 pm
UA1360
United Airlines
Seattle — Washington D.C.
1h 7m stop
5:10 pm — 6:47 pm
UA688
United Airlines
Washington D.C. — Boston
|
7h 42m including layover |
Find flight
from$287 |
|
|
9:20 am — 9:43 pm
|
9:20 am — 11:39 am
UA1960
United Airlines
Seattle — San Francisco
1h 21m stop
1:00 pm — 9:43 pm
UA2851
United Airlines
San Francisco — Boston
|
9h 23m including layover |
Find flight
from$191 |
|
|
9:25 am — 10:08 pm
|
9:25 am — 11:39 am
UA1960
United Airlines
Seattle — San Francisco
1h 51m stop
1:30 pm — 10:08 pm
UA354
United Airlines
San Francisco — Boston
|
9h 43m including layover |
Find flight
from$175 |
|
|
8:30 am — 11:59 pm
|
8:30 am — 12:14 pm
UA1829
United Airlines
Seattle — Denver
3h 41m stop
3:55 pm — 9:14 pm
UA798
United Airlines
Denver — Washington D.C.
1h 8m stop
10:22 pm — 11:59 pm
UA755
United Airlines
Washington D.C. — Boston
|
12h 29m including layover |
Find flight
from$292 |
|
*Departure and arrival times are local. Last updated on 11/24/2024
Flight Information
There are 109 flights by United Airlines from Seattle to Boston every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail.
Departures start from 10:55 am to 9:25 am. Nonstop flight is 7h 12m. The time difference between Seattle and Boston is 3h.
- The fastest flight 7h 12m
- Average flight time 11h 37m
- The earliest flight 10:55 am
- The latest flight 9:25 am
- Distance 2489 ml
The cheapest months for traveling to Boston are december (from 174 $), february (from 191 $), january (from 192 $).
The most expensive and popular months are november (from 197 $), january (from 192 $), february (from 191 $).
The cheapest flight by United Airlines that our users were able to find is $174. This airfare is economy class on one-way UA737 flight for December 14, 2024 leaving Seattle-Tacoma Intl in Seattle at 4:23 pm, it includes all taxes and additional fees.
United Airlines Airplanes on the Route
List of the most popular United Airlines airplanes flying from Seattle to Boston:
Other Popular Airlines on the Route
Besides United Airlines there are other 4 airline carriers between Seattle and Boston. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Boston.
Nonstop flights
There are 3 direct flights every day from Seattle. Airlines and fares are below:
- from $97Find
See more direct flights
Connecting Flights
List of flights with layovers (1 and more stops):
- from $99Find
- from $147Find
- from $98Find
- TK - Turkish Airlinesfrom $1606Find
See more connecting flights
How to book an air ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
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