Boston to San Antonio (BOS–SAT) — Airlines, Schedules & Connections

BOS Airport Page →
1,762 mi airlines charter/private 9/wk
On-time Some delays Frequent delays
Flight Schedule 3 flights Verified 21m ago
Also flown by charter / private operators: NetJets Aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
LY4051cs
LY El Al
223
9:00 AM
EDT TA
12:25 PM
CDT
4h 25m
44%
M T W T F S S
Prices
DL816+3
DL Delta
BCS3
10:20 AM
EDT TA
1:18 PM
CDT
3h 58m
40%
M T W T F S S
Prices
DL816+3
DL Delta
BCS3
1:13 PM
CDT TA
6:21 PM
EDT
4h 8m
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
STL St Louis 5h 50m AABAIB WN St Louis (STL) to San Antonio flights
BNA Nashville 5h 55m AFB6DL WN Nashville (BNA) to San Antonio flights
DAL Dallas 5h 55m WN WN Dallas (DAL) to San Antonio flights
BWI Baltimore 5h 58m DLKELY WN Baltimore (BWI) to San Antonio flights
IAH Houston 6h 3m AZB6NZ ACCMGB Houston (IAH) to San Antonio flights
ATL Atlanta 6h 6m AFAMB6 AFAMDL Atlanta (ATL) to San Antonio flights
DTW Detroit 6h 7m AFAMB6 AFAMDL Detroit (DTW) to San Antonio flights
MDW Chicago 6h 15m UAWN WN Chicago (MDW) to San Antonio flights
IAD Dulles 6h 16m AVAZCM ACSNUA Dulles (IAD) to San Antonio flights
CLT Charlotte 6h 16m AADLIB AA Charlotte (CLT) to San Antonio flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Boston to San Antonio
2 carriers, 9 flights/week nonstop.
2 Airlines 1,762 mi 4h 12m nonstop -1h behind

BOS–SAT is served by 2 airlines with nonstop service. Delta Air Lines leads the route. The flight covers 1,762 miles in approximately 4h 12m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop BOS–SAT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
DL Delta Air Lines Also: LY 7 BCS3 3h58 58% SkyTeam LY
TWY TWY 0 58%
Aircraft on this route
223 Airbus A220-300 – LY
BCS3 Airbus A220-300 – DL
Alliance coverage
SkyTeam: DL (7 flights/wk, 100%)
Unaffiliated: TWY (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, BOS to SAT direction.
Mon
1
flight
Tue
1
flight
Wed
2
flights
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
2
Nonstop flights
9
Outbound / wk
7
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BOS to SAT.
1-STOP
One-Stop Connections
36
Hubs
~5h
Fastest
~25h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,659
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
BOS → SAT
58%
Frequent delays expected. Consider flexible booking.
Departing
58%
Arriving
71%
Return
SAT → BOS
63%
Moderate delays possible. Allow buffer time.
Departing
63%
Arriving
83%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BOS delays → SAT delays →

Other ways to reach San Antonio from Boston

Nearby airports with service to San Antonio International Airport.
Metric BOS→SAT BED→SAT
Distance from BOS 16 mi
Nonstop airlines 2 2
Weekly flights 9
Flight time 4h 12m 3h 50m
Departure OTP 58%
Airports within 200 miles of BOS with service to San Antonio International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
San Antonio is 1 hour behind Boston.
BOS: EDT · SAT: CDT

When it's 6:00 PM in Boston, it's 5:00 PM in San Antonio.
Distance & Flight Time
1,762 mi / 2,835 km
Nonstop flight time is approximately 4h 12m gate to gate.
Getting to BOS

MBTA Silver Line SL1 bus runs from South Station (Red Line, Amtrak) through the Ted Williams Tunnel to all Logan terminals; free from the airport, $2.40 inbound. Journey from South Station takes 15–20 minutes depending on traffic. The Blue Line Aquarium station connects to a free water taxi ($12) across the harbor to Logan; scenic but weather-dependent.Taxis from downtown Boston cost $30–45 with the Ted Williams Tunnel toll included. Ride-hails are comparable. The Sumner and Ted Williams tunnels both serve the airport; check traffic before departing, as both frequently back up. Logan is only 3 miles from downtown but tunnel congestion often extends that to 30+ minutes.

BOS–SAT Quick Facts

Key statistics for the Boston to San Antonio route.
Route details
Distance1,762 mi / 2,835 km
Flight time4h 12m
Time difference-1 hour
Airlines (nonstop)2
Weekly flights9 out / 7 return
1-stop connectionsAvailable
Origin: BOS
IATA / ICAOBOS / KBOS
TimezoneAmerica/New_York
Passengers/yr42.2M
Elevation20 ft / 6 m
Destination: SAT
IATA / ICAOSAT / KSAT
TimezoneAmerica/Chicago
Passengers/yr10.9M
Elevation809 ft / 247 m

Frequently Asked Questions

Common questions about BOS to SAT flights.
Nonstop flights from Boston Logan International Airport to San Antonio International Airport take about 4h 12m gate to gate. The route covers 1,762 miles.
2 airlines operate flights from BOS to SAT: Delta Air Lines, and others.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include St. Louis Lambert, Nashville and Dallas Love Field.
San Antonio is 1 hour behind Boston.
Yes, return flights from SAT to BOS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BED. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from BOS to SAT

Boston Logan International Airport (BOS) and San Antonio International Airport (SAT) are connected by nonstop service from Delta Air Lines. With 9 weekly departures, this is a regularly served route.

BOS to SAT Flight Duration and Schedule

Nonstop flight time from BOS to SAT is about 4 hours 12 minutes gate to gate. The route covers a distance of 1,762 miles (2,835 km). There are approximately 9 weekly flights outbound and 7 return, totaling 16 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via St. Louis Lambert, Nashville and Dallas Love Field. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Bedford (BED).