$51+ Cheap flights from Knoxville to Boston (TYS - BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOS
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Boston Logan Intl are usually found in February or May, booked 80 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Knoxville to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to BostonExplore the most affordable flight options available from Knoxville to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Knoxville to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:30 am -
Nonstop2h 15m
Sun 12/611:35 am -
Nonstop2h 36m
Deal found 10/21![Allegiant Air logo]()
$153
This CheapOair deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:30 am -
Nonstop2h 15m
Sun 12/1311:35 am -
Nonstop2h 36m
Deal found 10/23![Allegiant Air logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:30 am -
Nonstop2h 11m
Sat 12/1911:01 am -
Nonstop2h 32m
Deal found 10/23![Allegiant Air logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
Nonstop2h 19m
Sat 11/1411:27 am -
2 stops23h 56m
Deal found 10/22![Multiple Airlines logo]()
$195
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
Nonstop2h 19m
Sun 11/159:09 am -
Nonstop2h 30m
Deal found 10/21![Allegiant Air logo]()
$213
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
Nonstop2h 12m
Tue 11/311:32 am -
Nonstop2h 30m
Deal found 10/20![Allegiant Air logo]()
$219
This CheapOair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
Nonstop2h 12m
Sat 11/79:09 am -
Nonstop2h 30m
Deal found 10/22![Allegiant Air logo]()
$227
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:10 am -
Nonstop2h 19m
Sat 11/79:09 am -
Nonstop2h 30m
Deal found 10/20![Allegiant Air logo]()
$232
Best flights from Knoxville to BostonDiscover carefully curated flight deals from Knoxville to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Knoxville to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:27 pm -
1 stop5h 53m
Mon 12/1412:00 pm -
1 stop4h 45m
Deal found 10/21![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:50 pm -
2 stops9h 45m
Sun 12/133:30 pm -
1 stop5h 05m
Deal found 10/23![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/159:45 am -
2 stops6h 15m
Sun 1/179:30 am -
1 stop5h 17m
Deal found 10/22![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:00 pm -
2 stops8h 55m
Tue 12/155:10 am -
1 stop7h 10m
Deal found 10/24![Southwest logo]()
$290
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:10 pm -
1 stop6h 58m
Mon 11/304:00 pm -
1 stop5h 05m
Deal found 10/22![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:35 pm -
2 stops9h 30m
Sat 11/148:10 am -
1 stop9h 35m
Deal found 10/23![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:45 am -
1 stop4h 55m
Sat 11/285:40 am -
2 stops8h 50m
Deal found 10/20![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:20 am -
1 stop6h 07m
Mon 11/99:00 am -
2 stops7h 59m
Deal found 10/22![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:45 pm -
1 stop4h 14m
Thu 12/106:00 am -
2 stops11h 00m
Deal found 10/24![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:45 am -
2 stops10h 20m
Mon 11/3012:45 pm -
2 stops9h 55m
Deal found 10/20![Southwest logo]()
$508
Last-minute flights from Knoxville to BostonDiscover last-minute flight deals from Knoxville to Boston. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Boston. Data last updated October 24, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:30 am -
Nonstop2h 12m
Sat 10/319:02 am -
Nonstop2h 30m
Deal found 10/23![Allegiant Air logo]()
$233
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
Nonstop2h 12m
Tue 11/311:32 am -
Nonstop2h 30m
Deal found 10/20![Allegiant Air logo]()
$219
This CheapOair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
Nonstop2h 12m
Sat 11/79:09 am -
Nonstop2h 30m
Deal found 10/22![Allegiant Air logo]()
$227
This CheapOair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:10 am -
Nonstop2h 19m
Sat 11/79:09 am -
Nonstop2h 30m
Deal found 10/20![Allegiant Air logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
Nonstop2h 19m
Sat 11/1411:27 am -
2 stops23h 56m
Deal found 10/22![Multiple Airlines logo]()
$195
This CheapOair deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:10 am -
Nonstop2h 19m
Sat 11/149:09 am -
Nonstop2h 30m
Deal found 10/19![Allegiant Air logo]()
$152
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
Nonstop2h 19m
Sun 11/159:09 am -
Nonstop2h 30m
Deal found 10/21![Allegiant Air logo]()
$213
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:40 am -
1 stop4h 49m
Mon 11/304:00 pm -
1 stop5h 05m
Deal found 10/21![Delta logo]()
$239
One-way flights from Knoxville to BostonSearch for one-way flight options from Knoxville to Boston. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Knoxville to Boston. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Super.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
Nonstop2h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Allegiant Air logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
Nonstop2h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Allegiant Air logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Allegiant Air logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:30 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Allegiant Air logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:10 am -
Nonstop2h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Allegiant Air logo]()
$73
This CheapOair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:30 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Allegiant Air logo]()
$77
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:30 am -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Allegiant Air logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:20 am -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Allegiant Air logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:30 am -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Allegiant Air logo]()
$101
This Super.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Allegiant Air logo]()
$109
Find flight deals from Knoxville to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $150 (CheapOair) |
One-way from | $51 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $344 |
Good round-trip deal | $110 or less |
Good one-way deal | $121 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
Use the filters below to find and compare flights from Knoxville to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Mon 11/9
7:35 pm-11:59 pm
1 stop4h 24m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Sat 11/21
4:00 pm-8:56 pm
1 stop4h 56m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Sat 12/5
5:40 am-11:06 am
1 stop5h 26m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Thu 11/19
7:00 am-1:42 pm
1 stop6h 42m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
Quickest round-trip
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Sun 12/6
7:25 pm-11:45 pm
1 stop4h 20m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Thu 12/31
5:30 am-12:10 pm
2 stops6h 40m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Sat 11/21
5:45 am-1:31 pm
2 stops7h 46m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Tue 11/10
5:45 am-12:26 pm
2 stops6h 41m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Wed 11/25
5:45 am-12:26 pm
2 stops6h 41m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Mon 11/9
2:40 pm-8:23 pm
1 stop5h 43m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Boston in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Knoxville with our price prediction graph.
TYS-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Knoxville to Boston
Prices
Delays
How far ahead should I book a flight from Knoxville to Boston?
The best time to book flights from Knoxville to Boston is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Knoxville to Boston?
Currently, February is the cheapest month in which you can book a flight from Knoxville to Boston (average of $168). Flying from Knoxville to Boston in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TYS to BOS?
Find hourly flight availability from Knoxville to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 24, 2026.
When flying from Knoxville to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Knoxville to Boston delayed?
About 5% of weekly flights between Knoxville and Boston have experienced delays in the past year, with the average delay time being 108 minutes.
What is the most punctual flight time for Knoxville to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Knoxville to Boston flights?
Over the last year, Allegiant Air have had the lowest number of delays on this route, with just 5% of flights being delayed.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated October 24, 2026.
Read through reviews of airlines operating flights from Knoxville to Boston, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
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Chelsea
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Braintree
Auburn
Sandwich
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Top 5 airlines flying from Knoxville to Boston
Discover the top 5 airlines that operate flights from Knoxville to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$226 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$135 | Average$325 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$375 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$389 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$444 | FlexibilityNo cancel fee | On-time63% |