Boston Logan International Airport Terminal Map & Guide (BOS)
Published · 3 primary sources
Last verified · Res-Q Space Editorial
Boston Logan International Airport (BOS) has four terminals (Terminal A, Terminal B, Terminal C and Terminal E). Free Massport shuttle buses, plus post-security walkways between Terminals B, C and E connects them.
Terminals at Boston Logan International Airport
Terminal A
Airlines: Delta
Delta and Delta Connection, plus partner carriers. Terminal A has no post-security connection to the other terminals — a connector is planned but not expected until around 2028.
Terminal B
Airlines: American, Southwest, United, Alaska
Laid out as a U-shape around a central garage with two separate security checkpoints (north and south). Check your gate before choosing an entrance.
Terminal C
Airlines: JetBlue
JetBlue's primary base, plus several international carriers. Connects post-security to Terminal E.
Terminal E
International arrivals and most foreign carriers.
Getting to and around Boston Logan International Airport
- Silver Line SL1 — free leaving the airport, direct to South Station and the Red Line
- Blue Line at Airport station, reached by the free Massport Route 88 shuttle
- Logan Express coaches to Braintree, Framingham, Peabody, Woburn and Back Bay
- Water shuttle from the Logan Ferry Terminal, reached by the free Route 66 shuttle
Frequently asked questions
How many terminals does Boston Logan International Airport have?
Boston Logan International Airport (BOS) has four passenger terminals: Terminal A, Terminal B, Terminal C, Terminal E.
Which terminal is Delta at BOS?
Delta operates from Terminal A at Boston Logan International Airport (BOS).
Which terminal is American at BOS?
American operates from Terminal B at Boston Logan International Airport (BOS).
Which terminal is Southwest at BOS?
Southwest operates from Terminal B at Boston Logan International Airport (BOS).
Which terminal is United at BOS?
United operates from Terminal B at Boston Logan International Airport (BOS).
Which terminal is JetBlue at BOS?
JetBlue operates from Terminal C at Boston Logan International Airport (BOS).
How do you get between terminals at BOS?
Free Massport shuttle buses, plus post-security walkways between Terminals B, C and E connects the terminals at Boston Logan International Airport. Note that changing terminals means exiting and re-clearing security unless a post-security connection exists.
Which terminal is Alaska at BOS?
Alaska operates from Terminal B at Boston Logan International Airport (BOS). Confirm on your booking — assignments can change.
When was this BOS terminal guide last verified?
This Res-Q Space guide for Boston Logan International Airport (BOS) was last verified on 2026-07-31 against the primary airport sources listed at the bottom of the page.
Where can I confirm my airline’s terminal at BOS?
Check your airline booking confirmation first, then the official Boston Logan International Airport website (linked under Sources). Terminal assignments change seasonally.
Does BOS have lounges and dining in every terminal?
Lounge and dining options vary by terminal at Boston Logan International Airport. See the guide sections above for known options, and confirm hours on the airport or lounge operator site.
Sources & verification dates
- Massport — Boston Logan Airport (PRIMARY) — checked
- Massport — Airlines at Logan — checked
- Massport — Terminal maps — checked
Always confirm your terminal on your booking confirmation and the airport’s official site before you travel.