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Cheap flights San Diego — Boston

San Diego (SAN, US) Boston (BOS, US)
from $100 4 150 km ~5h 23m 8 flights found 4 airlines cheapest on Sunday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $100 on 26.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
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Fr
Sa
Su
January 2027
Mo
Tu
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Fr
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Prices found for 21 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
27 Dec 2026, Sun
Alaska Airlines AS 255
07:46
SAN San Diego International Airport
13:28
BOS Logan International Airport
5h 42m Direct
Trip.com
$100
View this ticket
21 Dec 2026, Mon
jetBlue B6 532
21:35
SAN San Diego International Airport
05:49
BOS Logan International Airport
8h 14m 1 stop
Clickavia
$122
View this ticket
27 Nov 2026, Fri
American Airlines AA 2595
17:26
SAN San Diego International Airport
00:09
BOS Logan International Airport
6h 43m 1 stop
Trip.com
$151
View this ticket
22 Dec 2026, Tue
Alaska Airlines AS 255
07:46
SAN San Diego International Airport
13:28
BOS Logan International Airport
5h 42m Direct
Trip.com
$195
View this ticket
28 Dec 2026, Mon
Alaska Airlines AS 255
07:46
SAN San Diego International Airport
13:28
BOS Logan International Airport
5h 42m Direct
Trip.com
$197
View this ticket
27 Nov 2026, Fri
Southwest Airlines WN 4672
20:25
SAN San Diego International Airport
01:50
BOS Logan International Airport
5h 25m Direct
Trip.com
$260
View this ticket
Route characteristics
Distance
4 150 km
Flight time
5h 23m
Time difference
+3h
Minimum price
from $100 (26.12.2026)
Average price
$179
Maximum price
$213
Departures per week
1
Cheapest day
Sunday
Departure airports (1)
SAN San Diego International Airport
Arrival airports (1)
BOS Logan International Airport
Airlines (4)
AS Alaska Airlines B6 jetBlue AA American Airlines WN Southwest Airlines
Agencies (3)
Trip.com Clickavia Wowtickets
Prices by day of week
Monday
$122
avg $160
Tuesday
$195
avg $195
Friday
$151
avg $206
Sunday
$100
avg $100
Cheapest
Price trend by month
November 2026
from $151
avg $206
2 flights
December 2026
from $100
avg $154
4 flights
Airlines — cheapest prices 4
Alaska Airlines
Alaska Airlines
5 flights · 5 days
$100
jetBlue
jetBlue
Low-cost 1 flights · 1 days
$122
American Airlines
American Airlines
1 flights · 1 days
$151
Southwest Airlines
Southwest Airlines
Low-cost 1 flights · 1 days
$260
Where to buy tickets 3
Trip.com
5 tickets · 4 days
from $100
Clickavia
1 tickets · 1 days
from $122
Wowtickets
2 tickets · 2 days
from $275
Airports

From — San Diego (1)

  • SAN San Diego International Airport

To — Boston (1)

  • BOS Logan International Airport
Other destinations from San Diego
Los Angeles
US · Hub
Dallas
US · Hub
Portland
US
Puerto Vallarta
MX
Seattle
US
Calgary
CA
Vancouver
CA
Fresno
US
Honolulu
US
Monterey
US
Kahului
US
San Jose Del Cabo
MX
Frequently asked questions about the route San Diego — Boston
How long is the flight from San Diego to Boston?
Approximate flight time — 5h 23m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from San Diego to Boston?
The straight-line distance — 4 150 km.
How much do flights from San Diego to Boston cost?
The minimum price over 3 months — from $100 on 26.12.2026.
What is the average ticket price?
The average price — $179. Range: $100 — $213.
What is the time difference between San Diego and Boston?
The difference — +3h.
From which airports does San Diego operate flights?
From San Diego: SAN (San Diego International Airport).
To which airports in Boston do flights arrive?
To Boston: BOS (Logan International Airport).
Which airlines fly this route?
This route is served by 4 airlines: Alaska Airlines, jetBlue, American Airlines, Southwest Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $100. Total direct flights found: 4.
Which day of the week is cheapest?
The cheapest day of the week — Sunday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route San Diego — Boston

Flights San Diego — Boston is a popular route. The straight-line distance is 4 150 km. Flight time 5h 23m. Time difference +3h.

From San Diego (SAN) flights depart from 1 airport: SAN. To Boston (BOS) — 1 arrival airport: BOS.

4 airlines operate on this route: Alaska Airlines, jetBlue, American Airlines, Southwest Airlines.

The minimum price for the next 3 months — from $100 (26.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $179, ranging from $100 to $213. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Sunday.

Other destinations in United States from San Diego
Los Angeles
US
Dallas
US
Portland
US
Seattle
US
Fresno
US
Honolulu
US
Monterey
US
Kahului
US

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