Spirit Airlines Boston to Seattle Flights
Return flight: Seattle – Boston
Cheapflightsplus.com will find cheap Spirit Airlines flights from Boston to Seattle. Compare airline ticket prices and book air tickets starting from $146 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Spirit Airlines, arrivals and departure details below.
Find Cheap Airfare Boston (MA) — Seattle (WA) by Spirit 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 - $146, two-way – $250.
Direct flights
Check prices for return flight
Cheap Flights from Boston to Seattle by Spirit Airlines
Look at the list of plane tickets for the most connecting flights by Spirit Airlines, their prices start from $146. There’re no direct flights. The fastest connecting flight – 13h 31m.
| Price | Departure | Arrival | Flight Time | Airline | Flight |
|---|---|---|---|---|---|
| from $146 | 8:10 am Boston Logan | 8:30 pm Seattle Seattle-Tacoma Intl | 15h 20m layover 2h 36m - Chicago 2h 42m - Las Vegas | Spirit Airlines | NK174 NK188 NK413 |
| from $176 | 6:00 am Boston Logan | 11:10 pm Seattle Seattle-Tacoma Intl | 20h 10m layover 5h 54m - Baltimore 4h 23m - Los Angeles | Spirit Airlines | NK2072 NK1912 NK804 |
| from $183 | 6:00 am Boston Logan | 4:31 pm Seattle Seattle-Tacoma Intl | 13h 31m layover 1h 5m - Baltimore 1h 47m - Los Angeles | Spirit Airlines | NK1361 NK1365 NK260 |
| from $186 | 9:25 am Boston Logan | 0:15 am+1 день Seattle Seattle-Tacoma Intl | 17h 50m layover 3h 44m - Tampa 2h 27m - Las Vegas | Spirit Airlines | NK1370 NK184 NK181 |
| from $186 | 5:45 am Boston Logan | 0:15 am+1 день Seattle Seattle-Tacoma Intl | 21h 30m layover 6h 36m - Miami 2h 56m - Las Vegas | Spirit Airlines | NK867 NK201 NK181 |
| from $186 | 11:26 am Boston Logan | 0:15 am+1 день Seattle Seattle-Tacoma Intl | 15h 49m layover 0h 53m - Miami 2h 56m - Las Vegas | Spirit Airlines | NK2975 NK201 NK181 |
| from $212 | 6:00 am Boston Logan | 0:15 am+1 день Seattle Seattle-Tacoma Intl | 21h 15m layover 2h 39m - Baltimore 8h 41m - Las Vegas | Spirit Airlines | NK1361 NK924 NK181 |
| from $231 | 5:11 am Boston Logan | 5:22 pm Seattle Seattle-Tacoma Intl | 15h 11m layover 3h 3m - Tampa 1h 16m - Minneapolis | Spirit Airlines | NK1908 SY214 SY285 |
| from $255 | 5:11 am Boston Logan | 10:43 pm Seattle Seattle-Tacoma Intl | 20h 32m layover 3h 3m - Tampa 6h 34m - Minneapolis | Spirit Airlines | NK1908 SY214 SY289 |
| from $283 | 6:30 am Boston Logan | 10:43 pm Seattle Seattle-Tacoma Intl | 19h 13m layover 1h 48m - Miami 5h 47m - Minneapolis | Spirit Airlines | NK1125 SY416 SY289 |
| from $285 | 5:00 am Boston Logan | 10:43 pm Seattle Seattle-Tacoma Intl | 20h 43m layover 3h 48m - Miami 5h 34m - Minneapolis | Spirit Airlines | NK296 SY754 SY289 |
| from $308 | 10:00 am Boston Logan | 0:15 am+1 день Seattle Seattle-Tacoma Intl | 17h 15m layover 4h 38m - Orlando 0h 59m - Las Vegas | Spirit Airlines | NK793 NK2993 NK181 |
| from $357 | 6:27 am Boston Logan | 10:43 pm Seattle Seattle-Tacoma Intl | 19h 16m layover 3h 51m - Newark 6h 54m - Minneapolis | Spirit Airlines | NK940 SY234 SY289 |
| from $361 | 6:27 am Boston Logan | 0:10 am+1 день Seattle Seattle-Tacoma Intl | 20h 43m layover 3h 11m - Newark 6h 52m - Los Angeles | Spirit Airlines | NK940 NK386 NK1490 |
| from $396 | 6:27 am Boston Logan | 5:22 pm Seattle Seattle-Tacoma Intl | 13h 55m layover 3h 51m - Newark 1h 36m - Minneapolis | Spirit Airlines | NK940 SY234 SY285 |
| from $407 | 6:27 am Boston Logan | 10:43 pm Seattle Seattle-Tacoma Intl | 19h 16m layover 2h 18m - Newark 8h 27m - Minneapolis | Spirit Airlines | NK940 SY232 SY289 |
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 11/22/2024
Spirit 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 |
|---|---|---|---|---|
|
10:00 am — 0:15 am
+1 day
|
10:00 am — 1:29 pm
NK793
Spirit Airlines
Boston — Orlando
4h 38m stop
6:07 pm — 8:29 pm
NK2993
Spirit Airlines
Orlando — Las Vegas
59m stop
9:28 pm — 0:15 am
NK181
Spirit Airlines
Las Vegas — Seattle
|
17h 15m including layover |
Find flight
from$308 |
|
|
11:26 am — 0:15 am
+1 day
|
11:26 am — 3:03 pm
NK2975
Spirit Airlines
Boston — Miami
53m stop
3:56 pm — 6:32 pm
NK201
Spirit Airlines
Miami — Las Vegas
2h 56m stop
9:28 pm — 0:15 am
NK181
Spirit Airlines
Las Vegas — Seattle
|
15h 49m including layover |
Find flight
from$186 |
|
|
5:00 am — 10:43 pm
|
5:00 am — 8:29 am
NK296
Spirit Airlines
Boston — Miami
3h 48m stop
12:17 pm — 3:11 pm
SY754
Sun Country Airlines
Miami — Minneapolis
5h 34m stop
8:45 pm — 10:43 pm
SY289
Sun Country Airlines
Minneapolis — Seattle
|
20h 43m including layover |
Find flight
from$285 |
|
|
5:11 am — 5:22 pm
|
5:05 am — 8:34 am
NK1908
Spirit Airlines
Boston — Tampa
3h 3m stop
11:58 am — 2:24 pm
SY214
Sun Country Airlines
Tampa — Minneapolis
1h 16m stop
3:40 pm — 5:34 pm
SY285
Sun Country Airlines
Minneapolis — Seattle
|
15h 11m including layover |
Find flight
from$231 |
|
|
5:11 am — 10:43 pm
|
5:11 am — 8:40 am
NK1908
Spirit Airlines
Boston — Tampa
3h 3m stop
11:43 am — 2:11 pm
SY214
Sun Country Airlines
Tampa — Minneapolis
6h 34m stop
8:45 pm — 10:43 pm
SY289
Sun Country Airlines
Minneapolis — Seattle
|
20h 32m including layover |
Find flight
from$255 |
|
|
5:45 am — 0:15 am
+1 day
|
5:45 am — 9:20 am
NK867
Spirit Airlines
Boston — Miami
6h 36m stop
3:56 pm — 6:32 pm
NK201
Spirit Airlines
Miami — Las Vegas
2h 56m stop
9:28 pm — 0:15 am
NK181
Spirit Airlines
Las Vegas — Seattle
|
21h 30m including layover |
Find flight
from$186 |
|
|
6:00 am — 11:10 pm
|
6:00 am — 7:33 am
NK2072
Spirit Airlines
Boston — Baltimore
5h 54m stop
1:27 pm — 3:59 pm
NK1912
Spirit Airlines
Baltimore — Los Angeles
4h 23m stop
8:22 pm — 11:10 pm
NK804
Spirit Airlines
Los Angeles — Seattle
|
20h 10m including layover |
Find flight
from$176 |
|
|
6:00 am — 4:31 pm
|
6:00 am — 7:38 am
NK1361
Spirit Airlines
Boston — Baltimore
1h 5m stop
8:43 am — 11:49 am
NK1365
Spirit Airlines
Baltimore — Los Angeles
1h 47m stop
1:36 pm — 4:31 pm
NK260
Spirit Airlines
Los Angeles — Seattle
|
13h 31m including layover |
Find flight
from$183 |
|
|
6:00 am — 0:15 am
+1 day
|
6:00 am — 7:38 am
NK1361
Spirit Airlines
Boston — Baltimore
2h 39m stop
10:17 am — 12:47 pm
NK924
Spirit Airlines
Baltimore — Las Vegas
8h 41m stop
9:28 pm — 0:15 am
NK181
Spirit Airlines
Las Vegas — Seattle
|
21h 15m including layover |
Find flight
from$212 |
|
|
6:27 am — 10:43 pm
|
6:27 am — 7:59 am
NK940
Spirit Airlines
Boston — Newark
3h 51m stop
11:50 am — 1:51 pm
SY234
Sun Country Airlines
Newark — Minneapolis
6h 54m stop
8:45 pm — 10:43 pm
SY289
Sun Country Airlines
Minneapolis — Seattle
|
19h 16m including layover |
Find flight
from$357 |
|
|
6:27 am — 0:10 am
+1 day
|
6:27 am — 7:59 am
NK940
Spirit Airlines
Boston — Newark
3h 11m stop
11:10 am — 2:18 pm
NK386
Spirit Airlines
Newark — Los Angeles
6h 52m stop
9:10 pm — 0:10 am
NK1490
Spirit Airlines
Los Angeles — Seattle
|
20h 43m including layover |
Find flight
from$361 |
|
|
6:27 am — 5:22 pm
|
6:27 am — 7:59 am
NK940
Spirit Airlines
Boston — Newark
3h 51m stop
11:50 am — 1:51 pm
SY234
Sun Country Airlines
Newark — Minneapolis
1h 36m stop
3:27 pm — 5:22 pm
SY285
Sun Country Airlines
Minneapolis — Seattle
|
13h 55m including layover |
Find flight
from$396 |
|
|
6:27 am — 10:43 pm
|
6:27 am — 7:59 am
NK940
Spirit Airlines
Boston — Newark
2h 18m stop
10:17 am — 12:18 pm
SY232
Sun Country Airlines
Newark — Minneapolis
8h 27m stop
8:45 pm — 10:43 pm
SY289
Sun Country Airlines
Minneapolis — Seattle
|
19h 16m including layover |
Find flight
from$407 |
|
|
6:27 am — 5:22 pm
|
6:27 am — 7:59 am
NK940
Spirit Airlines
Boston — Newark
2h 18m stop
10:17 am — 12:18 pm
SY232
Sun Country Airlines
Newark — Minneapolis
3h 9m stop
3:27 pm — 5:22 pm
SY285
Sun Country Airlines
Minneapolis — Seattle
|
13h 55m including layover |
Find flight
from$445 |
|
|
6:30 am — 10:43 pm
|
6:30 am — 10:11 am
NK1125
Spirit Airlines
Boston — Miami
1h 48m stop
11:59 am — 2:58 pm
SY416
Sun Country Airlines
Miami — Minneapolis
5h 47m stop
8:45 pm — 10:43 pm
SY289
Sun Country Airlines
Minneapolis — Seattle
|
19h 13m including layover |
Find flight
from$283 |
|
|
8:10 am — 8:30 pm
|
8:10 am — 10:21 am
NK174
Spirit Airlines
Boston — Chicago
2h 36m stop
12:57 pm — 3:02 pm
NK188
Spirit Airlines
Chicago — Las Vegas
2h 42m stop
5:44 pm — 8:30 pm
NK413
Spirit Airlines
Las Vegas — Seattle
|
15h 20m including layover |
Find flight
from$146 |
|
|
9:25 am — 0:15 am
+1 day
|
9:25 am — 1:03 pm
NK1370
Spirit Airlines
Boston — Tampa
3h 44m stop
4:47 pm — 7:01 pm
NK184
Spirit Airlines
Tampa — Las Vegas
2h 27m stop
9:28 pm — 0:15 am
NK181
Spirit Airlines
Las Vegas — Seattle
|
17h 50m including layover |
Find flight
from$186 |
|
|
9:44 pm — 8:26 pm
+1 day
|
9:44 pm — 11:23 pm
NK2072
Spirit Airlines
Boston — Baltimore
10h 23m stop
8:00 am — 10:28 am
NK2377
Spirit Airlines
Baltimore — Las Vegas
5h 21m stop
5:36 pm — 8:26 pm
NK1455
Spirit Airlines
Las Vegas — Seattle
|
25h 42m including layover |
Find flight
from$183 |
|
|
9:44 pm — 2:53 pm
+1 day
|
9:44 pm — 11:23 pm
NK2072
Spirit Airlines
Boston — Baltimore
8h 37m stop
8:00 am — 10:28 am
NK2377
Spirit Airlines
Baltimore — Las Vegas
1h 32m stop
12:00 pm — 2:53 pm
NK413
Spirit Airlines
Las Vegas — Seattle
|
20h 9m including layover |
Find flight
from$296 |
|
*Departure and arrival times are local. Last updated on 11/22/2024
Flight Information
There are 20 flights by Spirit 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 10:00 am to 9:44 pm. Nonstop flight is 13h 31m. The time difference between Boston and Seattle is 3h.
- The fastest flight 13h 31m
- Average flight time 19h 16m
- The earliest flight 10:00 am
- The latest flight 9:44 pm
- Distance 2489 ml
The cheapest months for traveling to Seattle are december (from 146 $), february (from 176 $), january (from 183 $).
The cheapest flight by Spirit Airlines that our users were able to find is $146. This airfare is economy class on one-way NK174 flight for December 3, 2024 leaving Logan in Boston at 8:10 am, it includes all taxes and additional fees.
Spirit Airlines Airplanes on the Route
List of the most popular Spirit Airlines airplanes flying from Boston to Seattle:
Other Popular Airlines on the Route
Besides Spirit 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 $174Find
- TK - Turkish Airlinesfrom $1930Find
See more connecting flights
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