Knoxville (TYS) to Boston (BOS) flights
One airline flies nonstop from Knoxville (TYS) to Boston (BOS): Allegiant Air. The two airports are 829 miles (1,334 km) apart. There are also 19 ways to fly it with one stop, through New York, New York and Dulles and more.
Airlines flying nonstop from TYS to BOS
- Allegiant AirNot in an alliance

TYS to BOS with one stop
19 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New York (EWR)United Airlines the whole way




- Via New York (LGA)Delta Air Lines and American Airlines the whole way




- Via Dulles (IAD)United Airlines the whole way



- Via Baltimore (BWI)Southwest Airlines the whole way



- Via Philadelphia (PHL)American Airlines the whole way





- Via Washington (DCA)American Airlines and Delta Air Lines the whole way





- Via Charlotte (CLT)American Airlines the whole way



- Via Detroit (DTW)Delta Air Lines the whole way



- Via Nashville (BNA)Southwest Airlines the whole way




- Via Atlanta (ATL)Delta Air Lines the whole way




- Via Chicago (MDW)Allegiant Air, then Southwest Airlines


- Via Chicago (ORD)American Airlines and United Airlines the whole way



+1
- Via Jacksonville (JAX)Allegiant Air, then JetBlue Airways, Delta Air Lines and 1 more




- Via Memphis (MEM)Allegiant Air, then Delta Air Lines


- Via Fort Walton Beach (VPS)Allegiant Air the whole way



TYS to BOS: common questions
Which airlines fly nonstop from TYS to BOS?
Allegiant Air flies nonstop from Knoxville (TYS) to Boston (BOS).
How far is Knoxville from Boston by plane?
Knoxville (TYS) and Boston (BOS) are 829 miles (1,334 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does TYS to BOS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for TYS to BOS with taxes and fees.
Where can I connect between Knoxville and Boston?
The most direct connections are through New York (EWR), New York (LGA), Dulles (IAD), Baltimore (BWI) and Philadelphia (PHL). On 15 of them the same airline flies both flights, for example United Airlines through New York.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.