--- title: "Knoxville (TYS) to Boston (BOS) flights: who flies it" description: "Allegiant Air flies Knoxville (TYS) to Boston (BOS) nonstop twice a week, scheduled at 2h 12m to 2h 19m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/tys-bos" url: "https://2lnr.com/routes/tys-bos.md" date_modified: "2026-10-18T05:10:47Z" --- # Knoxville to Boston (TYS-BOS): nonstop flights and who flies them Allegiant Air flies nonstop from Knoxville (TYS) to Boston (BOS) just twice a week. The timetable below shows the nonstop scheduled at 2h 12m to 2h 19m for the 829 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See TYS to BOS on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 12m to 2h 19m Scheduled flight time 829 mi Nonstop distance Free To get started ## Knoxville to Boston flight schedule Scheduled nonstop departures for TYS to BOS starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Knoxville (TYS) to Boston (BOS) | Date | Flight | Airline | Departs TYS | Arrives BOS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | G4 1398 | Allegiant Air | 06:00 | 08:12 | 2h 12m | [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) | | Tue, Oct 27 | G4 1398 | Allegiant Air | 08:30 | 10:42 | 2h 12m | Airbus A320 | | Thu, Oct 29 | G4 1399 | Allegiant Air | 07:30 | 09:42 | 2h 12m | Airbus A320 | | Sun, Nov 1 | G4 1398 | Allegiant Air | 07:30 | 09:42 | 2h 12m | Airbus A320 | | Tue, Nov 3 | G4 1398 | Allegiant Air | 08:30 | 10:42 | 2h 12m | Airbus A320 | | Thu, Nov 5 | G4 1431 | Allegiant Air | 07:10 | 09:29 | 2h 19m | Airbus A320 | | Thu, Nov 19 | G4 1407 | Allegiant Air | 06:30 | 08:45 | 2h 15m | Airbus A320 | Showing all 7 scheduled TYS to BOS departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every TYS to BOS date on the interactive map ## Aircraft on the Knoxville to Boston nonstop Allegiant Air flies the [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full TYS to BOS nonstop schedule This page carries the full TYS to BOS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each TYS to BOS nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See TYS to BOS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Knoxville to Boston nonstop Carriers operating TYS to BOS nonstop in the current schedule. - [Allegiant Air (G4) route map](https://2lnr.com/routes/airlines/g4.md)\ [The aircraft G4 flies](https://2lnr.com/seatmaps/g4.md) See TYS to BOS on the interactive map → ## Frequently asked questions about TYS to BOS **How long is the flight from Knoxville (TYS) to Boston (BOS)?** Scheduled flight times from Knoxville (TYS) to Boston (BOS) run from 2h 12m to 2h 19m across the departures in the schedule table on this page. The nonstop covers about 829 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from TYS to BOS?** Allegiant Air is currently the only airline flying TYS to BOS nonstop. 2LNR doesn't show award or upgrade space for it on TYS to BOS, so this page carries the schedule rather than a space claim. **How often does TYS to BOS operate?** The TYS to BOS nonstop currently runs twice a week, on Allegiant Air. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from TYS to BOS depart?** Scheduled TYS to BOS nonstops in the next 7 days with service leave between 06:00 and 08:30, local time at Knoxville. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate TYS to BOS nonstop?** In the schedule table on this page, TYS to BOS nonstops fly as G4 1398, G4 1399, G4 1407, and G4 1431 on Allegiant Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on TYS to BOS?** Not on this route: 2LNR doesn't show award or upgrade space for Allegiant Air on TYS to BOS. The page carries the full TYS to BOS nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [BOS to TYS nonstop flights](https://2lnr.com/routes/bos-tys.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Knoxville (TYS)](https://2lnr.com/routes/tys.md), or [every route from Boston (BOS)](https://2lnr.com/routes/bos.md). Nonstops to Boston (BOS) from other airports within 150 miles of Knoxville (TYS): - [Asheville (AVL) to Boston (BOS)](https://2lnr.com/routes/avl-bos.md), 86 miles from TYS Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full TYS to BOS nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)