Cheap flights from Boston to San Diego (BOS–SAN)
BOSBoston Logan International Airport
United States
United States
SANSan Diego International Airport
United States
United States
Alaska Airlines, Delta Air Lines, JetBlue Airways and Southwest Airlines fly Boston to San Diego (BOS–SAN) nonstop and back, a great-circle distance of 4,160 km (2,580 mi).
- From
- BOS
- Boston
- To
- SAN
- San Diego
- Nonstop
- Yes · 4 airlines
- Airlines
- AS · DL · B6 · WN
- Cheapest fare found
- $151 one-way
- Distance
- 4,160 km (2,580 mi)
- Time difference
- San Diego 3 hours behind
- Most flights
- Alaska Airlines
- Time in the air
- 5h 32m · 4h 52m back
- On time (Touchdown Index)
- 75.8%
- Flights a week
- AS ~10 · DL ~3 · B6 ~8 · WN ~5
- Aircraft seen
- Airbus A321neo · Boeing 737 Max 9 · Boeing 737-900
Network data imported from airport and airline sources:· How we verify
Boston to San Diego fares by month
Cheapest one-way fare found: $151 for October 2026 on Southwest Airlines (1 stop). Nonstop from $215.
- Oct ’26$151nonstop $215
- Nov ’26$177
- Feb ’27$265
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly BOS–SAN
For Boston Logan (BOS) to San Diego (SAN), October 2026 had the lowest fare found ($151). Set your watch 3 hours back on landing at SAN.
Boston to San Diego: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Boston Logan (BOS) to San Diego (SAN)?
From $151 one-way, the cheapest fare found for October 2026 on Southwest Airlines with 1 stop; nonstop from $215 (found 8 October 2026).
How long is the BOS–SAN flight?
5h 32m wheels-up to wheels-down, the median of 89 tracked flights; SAN–BOS took 4h 52m.
Which airlines fly BOS–SAN direct?
Alaska Airlines, Delta Air Lines, JetBlue Airways and Southwest Airlines.
What is the cheapest month to fly BOS–SAN?
October 2026, at $151; the dearest month found was $265.
What is the time difference between Boston and San Diego?
San Diego is 3 hours behind Boston: a BOS departure at noon is 09:00 local time in SAN.
Is BOS–SAN usually on time?
75.8% of 178 BOS–SAN flights landed within 15 minutes of their usual time; 4.5% were over an hour late.
How many BOS–SAN flights a week?
Alaska Airlines 10, Delta Air Lines 3, JetBlue Airways 8 and Southwest Airlines 5 each way.
What aircraft fly BOS–SAN?
Airbus A321neo, Boeing 737 Max 9 and Boeing 737-900.
San Diego to Boston: the return flight (SAN–BOS)
All 4 airlines also fly SAN–BOS nonstop.
The return takes 4h 52m in the air (median of 104 tracked flights), 40 minutes shorter than BOS–SAN.
Airlines flying BOS–SAN nonstop
| Airline | Usually takes off (BOS time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Alaska Airlines AS | 08:12–20:07 | full-service | oneworld | — |
 Delta Air Lines DL | — | full-service | SkyTeam | — |
 JetBlue Airways B6 | 06:25–10:29 | low-cost | — | — |
 Southwest Airlines WN | 09:20–13:33 | low-cost | — | — |
One-stop alternatives to flying BOS–SAN nonstop
One airline on both legs; check it's sold as one ticket.
- Via Chicago (ORD) with
American Airlines and United Airlines: 4,160 km (2,580 mi) flown, almost no further than nonstop. - Via Detroit (DTW) with Delta Air Lines: 4,160 km (2,580 mi) flown, almost no further than nonstop.
- Via Kansas City (MCI) with Southwest Airlines: 4,160 km (2,580 mi) flown, almost no further than nonstop.
- Via Chicago (MDW) with Southwest Airlines: 4,160 km (2,580 mi) flown, almost no further than nonstop.
- Via Toronto (YYZ) with
Air Canada: 4,180 km (2,600 mi) flown, 1% further than nonstop.
BOS–SAN route map
More from Boston and San Diego
Other arrivals in United States
Also nonstop from BOS, nearest to SAN first (straight-line distance):
- BOS–LAX: Los Angeles · 176 km (109 mi) from SAN
- Las Vegas (LAS) airport guide · 417 km (259 mi) from SAN
- BOS–PHX: Phoenix · 489 km (304 mi) from SAN
- BOS–SFO: San Francisco · 719 km (447 mi) from SAN
- Salt Lake City (SLC) airport guide · 1,010 km (627 mi) from SAN
Explore the airlines’ route maps
Departure
Boston Logan International Airport
Boston Logan (BOS), Boston. In our data, 46 airlines fly nonstop from BOS to 133 destinations.
View BOS airport guide →Arrival
San Diego International Airport
San Diego (SAN), San Diego.
Onward from San Diego
Places you can't fly to nonstop from BOS, but can from SAN — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.