$66+ Cheap flights from Boston to Knoxville (BOS - TYS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TYS
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Knoxville 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 Boston Logan Intl to Knoxville McGhee Tyson are usually found in February or July, booked 39 days in advance, depart on a Wednesday or Friday and return on a Tuesday
Cheap flight deals from Boston to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to KnoxvilleExplore the most affordable flight options available from Boston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Boston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 10/39:02 am
BOS
- TYS
Nonstop2h 30m
Allegiant Air
Wed 10/78:30 am
TYS
- BOS
Nonstop2h 12m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 10/39:02 am
BOS
- TYS
Nonstop2h 30m
Allegiant Air
Tue 10/68:30 am
TYS
- BOS
Nonstop2h 12m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sat 7/186:45 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$139
This CheapOair deal was found by Cheapflights users on 6/14. 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 7/259:55 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sun 7/267:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 9/2612:35 pm
BOS
- TYS
Nonstop2h 26m
Allegiant Air
Wed 9/308:30 am
TYS
- BOS
Nonstop2h 12m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$156
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:39 pm
BOS
- TYS
Nonstop2h 28m
Allegiant Air
Sun 8/239:30 am
TYS
- BOS
Nonstop2h 19m
Allegiant Air
Deal found 6/9![Allegiant Air logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sat 7/116:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 10/39:02 am
BOS
- TYS
Nonstop2h 30m
Allegiant Air
Thu 10/88:15 am
TYS
- BOS
Nonstop2h 12m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$176
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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.
Sat 7/259:55 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Thu 7/307:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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.
Sat 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Thu 7/97:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$178
Best flights from Boston to KnoxvilleDiscover carefully curated flight deals from Boston to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Boston to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 6/304:00 pm
BOS
- TYS
1 stop5h 15m
Delta
Fri 7/35:51 pm
TYS
- BOS
1 stop5h 36m
Delta
Deal found 6/10![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 7/85:25 am
BOS
- TYS
2 stops6h 40m
Southwest
Fri 7/107:45 pm
TYS
- BOS
1 stop4h 30m
Southwest
Deal found 6/10![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/299:00 am
BOS
- TYS
1 stop7h 58m
United Airlines
Tue 9/16:02 pm
TYS
- BOS
1 stop7h 12m
United Airlines
Deal found 6/11![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 6/11. 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 8/66:00 am
BOS
- TYS
1 stop4h 58m
Delta
Sun 8/96:00 am
TYS
- BOS
1 stop4h 23m
Delta
Deal found 6/11![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 6/13. 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 8/65:25 am
BOS
- TYS
1 stop6h 35m
Southwest
Mon 8/107:10 am
TYS
- BOS
2 stops7h 45m
Southwest
Deal found 6/13![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 6/14. 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 8/2010:00 am
BOS
- TYS
1 stop6h 33m
Delta
Sun 8/235:40 am
TYS
- BOS
1 stop5h 01m
Delta
Deal found 6/14![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 6/9. 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.
Mon 7/205:45 am
BOS
- TYS
2 stops8h 00m
Southwest
Wed 7/228:10 am
TYS
- BOS
2 stops9h 50m
Southwest
Deal found 6/9![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 6/9. 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 7/2011:00 am
BOS
- TYS
1 stop5h 38m
Delta
Thu 7/2311:02 am
TYS
- BOS
1 stop6h 35m
Delta
Deal found 6/9![Delta logo]()
$335
This Southwest deal was found by Cheapflights users on 6/9. 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.
Mon 7/205:45 am
BOS
- TYS
2 stops8h 00m
Southwest
Thu 7/237:45 pm
TYS
- BOS
1 stop4h 30m
Southwest
Deal found 6/9![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 7/172:00 pm
BOS
- TYS
1 stop7h 29m
Delta
Wed 7/225:35 pm
TYS
- BOS
1 stop4h 58m
Delta
Deal found 6/9![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 6/12. 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 7/21:10 pm
BOS
- TYS
2 stops9h 20m
Southwest
Tue 7/76:55 pm
TYS
- BOS
1 stop4h 40m
Southwest
Deal found 6/12![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 6/14. 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 6/298:05 am
BOS
- TYS
1 stop6h 44m
Delta
Fri 7/311:07 am
TYS
- BOS
1 stop4h 23m
Delta
Deal found 6/14![Delta logo]()
$385
Last-minute flights from Boston to KnoxvilleDiscover last-minute flight deals from Boston to Knoxville. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Knoxville. Data last updated June 15, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 6/209:38 am
BOS
- TYS
Nonstop2h 23m
Allegiant Air
Sat 7/46:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sat 7/186:45 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sat 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sat 7/116:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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.
Sat 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Thu 7/97:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$178
This CheapOair deal was found by Cheapflights users on 6/14. 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 7/259:55 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sun 7/267:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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.
Sat 7/259:55 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Thu 7/307:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$177
One-way flights from Boston to KnoxvilleSearch for one-way flight options from Boston to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Boston to Knoxville. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This CheapOair deal was found by Cheapflights users on 6/10. 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 7/49:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$66
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 8/2312:39 pm
BOS
- TYS
Nonstop2h 28m
Allegiant Air
Deal found 6/11![Allegiant Air logo]()
$103
This Delta deal was found by Cheapflights users on 6/10. 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 8/1910:00 am
BOS
- TYS
1 stop6h 33m
Delta
Deal found 6/10![Delta logo]()
$111
This CheapOair deal was found by Cheapflights users on 6/14. 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 8/1310:40 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Deal found 6/14![Allegiant Air logo]()
$113
This CheapOair deal was found by Cheapflights users on 6/10. 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 7/3010:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/1810:59 am
BOS
- TYS
1 stop10h 43m
Allegiant Air
Deal found 6/10![Allegiant Air logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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.
Tue 6/2311:38 am
BOS
- TYS
Nonstop2h 23m
Allegiant Air
Deal found 6/13![Allegiant Air logo]()
$125
Find flight deals from Boston to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Knoxville (TYS). 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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $129 (Kiwi.com) |
One-way from | $66 (CheapOair) |
Popular in | April |
Cheapest in | February |
Average price | $298 |
Good round-trip deal | $135 or less |
Good one-way deal | $94 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Knoxville 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 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Boston to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Tue 6/30
4:00 pm-9:15 pm
1 stop5h 15m
Knoxville McGhee Tyson
Fri 7/3
5:51 pm-11:27 pm
1 stop5h 36m
$293
Quickest round-trip
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Thu 8/6
6:00 am-10:58 am
1 stop4h 58m
Knoxville McGhee Tyson
Sun 8/9
6:00 am-10:23 am
1 stop4h 23m
$299
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Thu 8/20
10:00 am-4:33 pm
1 stop6h 33m
Knoxville McGhee Tyson
Sun 8/23
5:40 am-10:41 am
1 stop5h 01m
$317
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Wed 7/8
5:25 am-12:05 pm
2 stops6h 40m
Knoxville McGhee Tyson
Fri 7/10
7:45 pm-12:15 am
1 stop4h 30m
$319
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Sat 8/29
9:00 am-4:58 pm
1 stop7h 58m
Knoxville McGhee Tyson
Tue 9/1
6:02 pm-1:14 am
1 stop7h 12m
$322
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Thu 8/6
5:25 am-12:00 pm
1 stop6h 35m
Knoxville McGhee Tyson
Mon 8/10
7:10 am-2:55 pm
2 stops7h 45m
$322
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Mon 7/20
5:45 am-1:45 pm
2 stops8h 00m
Knoxville McGhee Tyson
Wed 7/22
8:10 am-6:00 pm
2 stops9h 50m
$335
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Mon 7/20
11:00 am-4:38 pm
1 stop5h 38m
Knoxville McGhee Tyson
Thu 7/23
11:02 am-5:37 pm
1 stop6h 35m
$335
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Fri 7/17
2:00 pm-9:29 pm
1 stop7h 29m
Knoxville McGhee Tyson
Wed 7/22
5:35 pm-10:33 pm
1 stop4h 58m
$346
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Mon 7/20
5:45 am-1:45 pm
2 stops8h 00m
Knoxville McGhee Tyson
Thu 7/23
7:45 pm-12:15 am
1 stop4h 30m
$351
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Boston to Knoxville
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 Boston to Knoxville in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Knoxville 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 Boston-Knoxville 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 Boston to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Boston with our price prediction graph.
BOS-TYS
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 Boston to Knoxville
Prices
Airlines
How far ahead should I book a flight from Boston to Knoxville?
To ensure you get the cheapest price possible for a flight from Boston to Knoxville, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Boston to Knoxville?
Currently, February is the cheapest month in which you can book a flight from Boston to Knoxville (average of $160). Flying from Boston to Knoxville in April is currently the most expensive (average of $363). 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 BOS to TYS?
Find hourly flight availability from Boston to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.
When flying from Boston to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated June 15, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Boston to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Boston to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 5 airlines flying from Boston to Knoxville
Discover the top 5 airlines that operate flights from Boston to Knoxville. 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$227 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$151 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$385 | FlexibilityNo cancel fee | On-time63% |