SEA to BOS

Seattle to Boston flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

SEA
Seattle (SEA), United StatesSeattle/tacoma International
BOS
Boston (BOS), United StatesLogan International
Search

Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunSEA to BOS$357 Sun, 07 JunSEA to BOS Mon, 08 JunSEA to BOS Tue, 09 JunSEA to BOS Wed, 10 JunSEA to BOS Thu, 11 JunSEA to BOS Fri, 12 JunSEA to BOS
Sort By:DepartureDurationArrivalPrice
Delta Air Lines
Delta Air Lines
DL-459
07:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
5H :38 M
Non Stop
15:53
2026-06-06
BOSTON (BOS)United StatesLogan International
$357
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-412
12:05
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
5H :38 M
Non Stop
20:43
2026-06-06
BOSTON (BOS)United StatesLogan International
$357
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-473
23:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
5H :33 M
Non Stop
07:33
2026-06-07
BOSTON (BOS)United StatesLogan International
$357
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-812
05:30
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
7H :40 M
1 Stop
DTW · 1h 13mDetroit (DTW), United States
16:10
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1128
05:30
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :14 M
1 Stop
SLC · 1h 19mSalt Lake City (SLC), United States
16:44
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-943
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :10 M
1 Stop
MSP · 1h 44mMinneapolis (MSP), United States
17:10
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-569
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :55 M
1 Stop
ATL · 1h 27mAtlanta (ATL), United States
17:55
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-569
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
10H :09 M
1 Stop
ATL · 2h 42mAtlanta (ATL), United States
19:09
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-943
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
10H :15 M
1 Stop
MSP · 3h 50mMinneapolis (MSP), United States
19:15
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-429
07:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :48 M
1 Stop
JFK · 1h 45mNew York (JFK), United States
19:03
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-739
07:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
9H :23 M
1 Stop
AUS · 0h 55mAustin (AUS), United States
19:38
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1628
07:25
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
9H :40 M
1 Stop
LAX · 1h 21mLos Angeles (LAX), United States
20:05
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-555
09:45
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :22 M
1 Stop
ATL · 0h 43mAtlanta (ATL), United States
21:07
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-555
09:45
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
11H :13 M
1 Stop
ATL · 3h 34mAtlanta (ATL), United States
23:58
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-2769
10:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
10H :41 M
1 Stop
LAX · 2h 22mLos Angeles (LAX), United States
23:56
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-415
11:25
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :36 M
1 Stop
JFK · 1h 10mNew York (JFK), United States
23:01
2026-06-06
BOSTON (BOS)United StatesLogan International
$367
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-688
08:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :14 M
Non Stop
19:14
2026-06-06
BOSTON (BOS)United StatesLogan International
$387
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1915
05:07
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
7H :37 M
1 Stop
DEN · 0h 50mDenver (DEN), United States
15:44
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 8 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-381
05:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :16 M
1 Stop
CLT · 0h 55mCharlotte (CLT), United States
16:31
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-381
05:15
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
9H :50 M
1 Stop
CLT · 2h 25mCharlotte (CLT), United States
18:05
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2922
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
8H :32 M
1 Stop
ORD · 1h 38mChicago (ORD), United States
17:32
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2922
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
9H :50 M
1 Stop
ORD · 2h 56mChicago (ORD), United States
18:50
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included

Recommended hotels in Boston

Stay options near the arrival city for the same travel date.

Search hotels
Best Western Plus Waltham Boston
3.0Very GoodLive availability

Best Western Plus Waltham Boston

- 380 Winter St, Waltham, MA 02451 ,

Free WiFiACBreakfast
Room availability is checked live
$138per night+ taxes if applicable

1 Night • 3 Star

Homewood Suites by Hilton Boston Billerica Bedford
3.0Very GoodLive availability

Homewood Suites by Hilton Boston Billerica Bedford

- 35 Middlesex Turnpike Billerica 01821-3936Massachusetts ,

Free WiFiACBreakfast
Room availability is checked live
$142per night+ taxes if applicable

1 Night • 3 Star

Hilton Garden Inn Boston-Burlington
3.0Very GoodLive availability

Hilton Garden Inn Boston-Burlington

- 5 Wheeler Rd, Burlington, MA 01803 ,

Free WiFiACBreakfast
Room availability is checked live
$150per night+ taxes if applicable

1 Night • 3 Star

Hilton Boston/Woburn
3.0Very GoodLive availability

Hilton Boston/Woburn

- 2 Forbes Rd, Woburn, MA 01801 ,

Free WiFiACBreakfast
Room availability is checked live
$159per night+ taxes if applicable

1 Night • 3 Star

American Airlines
American Airlines
AA-2922
06:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
10H :57 M
1 Stop
ORD · 3h 54mChicago (ORD), United States
19:57
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5676
06:08
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
10H :20 M
1 Stop
SFO · 2h 17mSan Francisco (SFO), United States
19:28
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5676
06:08
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
12H :13 M
1 Stop
SFO · 3h 57mSan Francisco (SFO), United States
21:21
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2618
07:00
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
7H :29 M
1 Stop
ORD · 0h 40mChicago (ORD), United States
17:29
2026-06-06
BOSTON (BOS)United StatesLogan International
$392
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
View all flights
No flights match the selected filters. Clear filters or open full search.

Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $357 Delta Air Lines 07:15
Earliest departure $392 United Airlines 05:07
Shortest duration $357 Delta Air Lines 23:00
Night 00:00-05:59 $367 Delta Air Lines at 05:30
Morning 06:00-11:59 $357 Delta Air Lines at 07:15
Afternoon 12:00-17:59 $357 Delta Air Lines at 12:05
Evening 18:00-23:59 $357 Delta Air Lines at 23:00

Seattle to Boston route details

Seattle (SEA)

Seattle/tacoma International

United States

GMT -8

Latitude: 47.449001

Longitude: -122.308998

Boston (BOS)

Logan International

United States

GMT -5

Latitude: 42.36429977

Longitude: -71.00520325

Distance: Seattle (SEA), United States to Boston (BOS), United States - 4,005.51 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Seattle to Boston - what to expect when booking

The SEA to BOS cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 4,005.51 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare rows

Select expands fare choices on the card before you move to review and booking.

More flights from Seattle (SEA)23 routes
Seattle → Albuquerque
SEA → ABQ
Seattle → Amsterdam
SEA → AMS
Seattle → Anchorage
SEA → ANC
Seattle → Atlanta
SEA → ATL
Seattle → Austin
SEA → AUS
Seattle → Beijing
SEA → PEK
Seattle → Bellingham
SEA → BLI
Seattle → Billings
SEA → BIL
Seattle → Boise
SEA → BOI
Seattle → Bozeman
SEA → BZN
Seattle → Burbank
SEA → BUR
Seattle → Calgary
SEA → YYC
Seattle → Charlotte
SEA → CLT
Seattle → Chicago
SEA → MDW
Seattle → Colorado Springs
SEA → COS
Seattle → Dallas
SEA → DAL
Seattle → Denver
SEA → DEN
Seattle → Detroit Mi
SEA → DTW
Seattle → Dubai
SEA → DXB
Seattle → Edmonton
SEA → YEG
Seattle → Eugene
SEA → EUG
Seattle → Fairbanks
SEA → FAI
Seattle → Fort Lauderdale
SEA → FLL
More flights from Boston (BOS)23 routes
Boston → Akron/canton
BOS → CAK
Boston → Albany
BOS → ALB
Boston → Amsterdam
BOS → AMS
Boston → Atlanta
BOS → ATL
Boston → Atlantic City
BOS → ACY
Boston → Augusta
BOS → AUG
Boston → Austin
BOS → AUS
Boston → Bar Harbor
BOS → BHB
Boston → Bermuda
BOS → BDA
Boston → Buffalo Ny
BOS → BUF
Boston → Cancun
BOS → CUN
Boston → Charleston
BOS → CHS
Boston → Charlotte
BOS → CLT
Boston → Chicago
BOS → ORD
Boston → Covington Ky
BOS → CVG
Boston → Cleveland
BOS → CLE
Boston → Columbus
BOS → CMH
Boston → Denver
BOS → DEN
Boston → Detroit Mi
BOS → DTW
Boston → Dubai
BOS → DXB
Boston → Dublin
BOS → DUB
Boston → Fort Lauderdale
BOS → FLL
Boston → Fort Myers
BOS → RSW
Frequently asked questions - Seattle to Boston flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Seattle (SEA) and Boston (BOS) is 4,005.51 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.