United Airlines Boston to Seattle Flights
Return flight: Seattle – Boston
Cheapflightsplus.com will find cheap United Airlines flights from Boston to Seattle. 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 Boston (MA) — Seattle (WA) 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 Boston to Seattle 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 – 8h 19m.
| Price | Departure | Arrival | Flight Time | Airline | Flight |
|---|---|---|---|---|---|
| from $174 | 8:30 am Boston Logan | 3:21 pm Seattle Seattle-Tacoma Intl | 9h 51m layover 0h 43m - San Francisco | United Airlines | UA1008 UA2391 |
| from $174 | 5:55 am Boston Logan | 3:21 pm Seattle Seattle-Tacoma Intl | 12h 26m layover 3h 23m - San Francisco | United Airlines | UA2441 UA2391 |
| from $174 | 3:57 pm Boston Logan | 10:02 pm Seattle Seattle-Tacoma Intl | 9h 5m layover 1h 5m - Newark | United Airlines | UA1977 UA330 |
| from $191 | 3:25 pm Boston Logan | 9:11 pm Seattle Seattle-Tacoma Intl | 8h 46m layover 0h 50m - Denver | United Airlines | UA778 UA299 |
| from $191 | 2:45 pm Boston Logan | 8:31 pm Seattle Seattle-Tacoma Intl | 8h 46m layover 1h 2m - Washington D.C. | United Airlines | UA214 UA326 |
| from $192 | 4:55 pm Boston Logan | 11:09 pm Seattle Seattle-Tacoma Intl | 9h 14m layover 1h 24m - Denver | United Airlines | UA800 UA2651 |
| from $192 | 2:00 pm Boston Logan | 10:00 pm Seattle Seattle-Tacoma Intl | 11h 0m layover 3h 15m - Newark | United Airlines | UA2454 UA2044 |
| from $192 | 3:35 pm Boston Logan | 10:00 pm Seattle Seattle-Tacoma Intl | 9h 25m layover 1h 41m - Newark | United Airlines | UA1977 UA2044 |
| from $192 | 6:00 am Boston Logan | 12:07 pm Seattle Seattle-Tacoma Intl | 9h 7m layover 1h 17m - Chicago | United Airlines | UA1414 UA2849 |
| from $192 | 10:57 am Boston Logan | 4:16 pm Seattle Seattle-Tacoma Intl | 8h 19m layover 0h 35m - Chicago | United Airlines | UA267 UA1485 |
| from $237 | 9:30 am Boston Logan | 3:57 pm Seattle Seattle-Tacoma Intl | 9h 27m layover 1h 44m - Chicago | United Airlines | UA378 UA1485 |
| from $276 | 7:10 am Boston Logan | 10:00 pm Seattle Seattle-Tacoma Intl | 17h 50m layover 10h 2m - Newark | United Airlines | UA570 UA2044 |
| from $179 | 5:45 am Boston Logan | 3:21 pm Seattle Seattle-Tacoma Intl | 12h 36m layover 0h 56m - Washington D.C. 1h 47m - San Francisco | United Airlines | UA1734 UA1116 UA2391 |
| from $179 | 10:45 am Boston Logan | 0:50 am+1 день Seattle Seattle-Tacoma Intl | 17h 5m layover 3h 29m - Chicago 3h 45m - San Francisco | United Airlines | UA1631 UA2409 UA1971 |
| from $179 | 12:25 pm Boston Logan | 0:50 am+1 день Seattle Seattle-Tacoma Intl | 15h 25m layover 1h 49m - Chicago 3h 45m - San Francisco | United Airlines | UA1732 UA2409 UA1971 |
| from $243 | 6:00 am Boston Logan | 3:57 pm Seattle Seattle-Tacoma Intl | 12h 57m layover 1h 31m - Newark 2h 17m - Chicago | United Airlines | UA1833 UA2290 UA1485 |
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 11/22/2024
United Airlines Flight Schedule Boston to Seattle
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 |
|---|---|---|---|---|
|
10:57 am — 4:16 pm
|
10:57 am — 12:55 pm
UA267
United Airlines
Boston — Chicago
35m stop
1:30 pm — 4:16 pm
UA1485
United Airlines
Chicago — Seattle
|
8h 19m including layover |
Find flight
from$192 |
|
|
11:32 am — 10:02 pm
|
11:32 am — 1:01 pm
UA592
United Airlines
Boston — Newark
5h 34m stop
6:35 pm — 10:02 pm
UA330
United Airlines
Newark — Seattle
|
13h 30m including layover |
Find flight
from$279 |
|
|
12:25 pm — 6:45 pm
|
12:25 pm — 2:21 pm
UA1732
United Airlines
Boston — Chicago
1h 38m stop
4:05 pm — 6:54 pm
UA2278
United Airlines
Chicago — Seattle
|
9h 20m including layover |
Find flight
from$248 |
|
|
1:30 pm — 11:44 pm
|
1:30 pm — 5:19 pm
UA1187
United Airlines
Boston — San Francisco
4h 10m stop
10:35 pm — 0:50 am
UA1971
United Airlines
San Francisco — Seattle
|
13h 14m including layover |
Find flight
from$539 |
|
|
2:00 pm — 10:00 pm
|
1:53 pm — 3:30 pm
UA2454
United Airlines
Boston — Newark
3h 15m stop
7:10 pm — 10:37 pm
UA2044
United Airlines
Newark — Seattle
|
11h including layover |
Find flight
from$192 |
|
|
2:45 pm — 8:31 pm
|
2:45 pm — 4:28 pm
UA214
United Airlines
Boston — Washington D.C.
1h 2m stop
5:30 pm — 8:31 pm
UA326
United Airlines
Washington D.C. — Seattle
|
8h 46m including layover |
Find flight
from$191 |
|
|
3:25 pm — 9:11 pm
|
3:17 pm — 6:07 pm
UA778
United Airlines
Boston — Denver
50m stop
7:05 pm — 9:11 pm
UA299
United Airlines
Denver — Seattle
|
8h 46m including layover |
Find flight
from$191 |
|
|
3:57 pm — 10:02 pm
|
3:57 pm — 5:30 pm
UA1977
United Airlines
Boston — Newark
1h 5m stop
6:35 pm — 10:02 pm
UA330
United Airlines
Newark — Seattle
|
9h 5m including layover |
Find flight
from$174 |
|
|
4:43 pm — 10:53 pm
|
4:34 pm — 6:30 pm
UA2040
United Airlines
Boston — Chicago
1h 23m stop
7:55 pm — 10:46 pm
UA2211
United Airlines
Chicago — Seattle
|
9h 10m including layover |
Find flight
from$192 |
|
|
4:55 pm — 11:09 pm
|
4:48 pm — 7:37 pm
UA800
United Airlines
Boston — Denver
1h 24m stop
9:05 pm — 11:11 pm
UA2651
United Airlines
Denver — Seattle
|
9h 14m including layover |
Find flight
from$192 |
|
|
5:55 am — 3:21 pm
|
5:55 am — 9:40 am
UA2441
United Airlines
Boston — San Francisco
3h 23m stop
1:03 pm — 3:21 pm
UA2391
United Airlines
San Francisco — Seattle
|
12h 26m including layover |
Find flight
from$174 |
|
|
6:00 am — 12:07 pm
|
6:00 am — 8:03 am
UA1414
United Airlines
Boston — Chicago
1h 17m stop
10:35 am — 1:22 pm
UA2849
United Airlines
Chicago — Seattle
|
9h 7m including layover |
Find flight
from$192 |
|
|
7:05 am — 1:55 pm
|
7:05 am — 10:00 am
UA647
United Airlines
Boston — Denver
1h 50m stop
11:50 am — 1:55 pm
UA690
United Airlines
Denver — Seattle
|
9h 50m including layover |
Find flight
from$241 |
|
|
7:10 am — 10:00 pm
|
7:30 am — 8:58 am
UA570
United Airlines
Boston — Newark
10h 2m stop
7:10 pm — 10:37 pm
UA2044
United Airlines
Newark — Seattle
|
17h 50m including layover |
Find flight
from$276 |
|
|
8:00 am — 3:45 pm
|
8:00 am — 11:55 am
UA1008
United Airlines
Boston — San Francisco
1h 30m stop
1:25 pm — 3:45 pm
UA593
United Airlines
San Francisco — Seattle
|
10h 45m including layover |
Find flight
from$191 |
|
|
8:30 am — 3:21 pm
|
8:30 am — 12:20 pm
UA1008
United Airlines
Boston — San Francisco
43m stop
1:03 pm — 3:21 pm
UA2391
United Airlines
San Francisco — Seattle
|
9h 51m including layover |
Find flight
from$174 |
|
|
9:30 am — 4:16 pm
|
9:30 am — 11:28 am
UA216
United Airlines
Boston — Chicago
2h 2m stop
1:30 pm — 4:16 pm
UA1485
United Airlines
Chicago — Seattle
|
9h 46m including layover |
Find flight
from$192 |
|
|
9:30 am — 3:57 pm
|
9:30 am — 11:26 am
UA378
United Airlines
Boston — Chicago
1h 44m stop
1:10 pm — 3:57 pm
UA1485
United Airlines
Chicago — Seattle
|
9h 27m including layover |
Find flight
from$237 |
|
|
10:45 am — 0:50 am
+1 day
|
10:45 am — 12:41 pm
UA1631
United Airlines
Boston — Chicago
3h 29m stop
4:10 pm — 6:50 pm
UA2409
United Airlines
Chicago — San Francisco
3h 45m stop
10:35 pm — 0:50 am
UA1971
United Airlines
San Francisco — Seattle
|
17h 5m including layover |
Find flight
from$179 |
|
|
11:40 am — 9:09 pm
|
11:40 am — 2:29 pm
UA414
United Airlines
Boston — Denver
1h 16m stop
3:45 pm — 5:34 pm
UA1300
United Airlines
Denver — San Francisco
1h 18m stop
6:52 pm — 9:09 pm
UA2019
United Airlines
San Francisco — Seattle
|
12h 29m including layover |
Find flight
from$291 |
|
|
12:25 pm — 0:50 am
+1 day
|
12:25 pm — 2:21 pm
UA1732
United Airlines
Boston — Chicago
1h 49m stop
4:10 pm — 6:50 pm
UA2409
United Airlines
Chicago — San Francisco
3h 45m stop
10:35 pm — 0:50 am
UA1971
United Airlines
San Francisco — Seattle
|
15h 25m including layover |
Find flight
from$179 |
|
|
5:45 am — 3:21 pm
|
5:45 am — 7:29 am
UA1734
United Airlines
Boston — Washington D.C.
56m stop
8:25 am — 11:16 am
UA1116
United Airlines
Washington D.C. — San Francisco
1h 47m stop
1:03 pm — 3:21 pm
UA2391
United Airlines
San Francisco — Seattle
|
12h 36m including layover |
Find flight
from$179 |
|
|
6:00 am — 3:57 pm
|
6:00 am — 7:29 am
UA1833
United Airlines
Boston — Newark
1h 31m stop
9:00 am — 10:53 am
UA2290
United Airlines
Newark — Chicago
2h 17m stop
1:10 pm — 3:57 pm
UA1485
United Airlines
Chicago — Seattle
|
12h 57m including layover |
Find flight
from$243 |
|
*Departure and arrival times are local. Last updated on 11/22/2024
Flight Information
There are 113 flights by United Airlines from Boston to Seattle every week with departures from Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.
Departures start from 10:03 am to 9:38 am. Nonstop flight is 8h 19m. The time difference between Boston and Seattle is 3h.
- The fastest flight 8h 19m
- Average flight time 13h 13m
- The earliest flight 10:03 am
- The latest flight 9:38 am
- Distance 2489 ml
The cheapest months for traveling to Seattle are december (from 174 $), november (from 191 $), february (from 191 $).
The most expensive and popular months are january (from 192 $), february (from 191 $), november (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 UA1008 flight for December 12, 2024 leaving Logan in Boston at 8:30 am, it includes all taxes and additional fees.
United Airlines Airplanes on the Route
List of the most popular United Airlines airplanes flying from Boston to Seattle:
Other Popular Airlines on the Route
Besides United Airlines there are other 4 airline carriers between Boston and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Boston to Seattle.
Nonstop flights
There are 2 direct flights every day from Boston. Airlines and fares are below:
- from $307Find
See more direct flights
Connecting Flights
List of flights with layovers (1 and more stops):
- from $148Find
- from $147Find
- from $146Find
- TK - Turkish Airlinesfrom $1930Find
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.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.