$52+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TYS
May 29 — Jun 51
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 54 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 April 29, 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 April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/139:53 am
BOS
- TYS
Nonstop2h 23m
Allegiant Air
Tue 6/238:30 am
TYS
- BOS
Nonstop2h 18m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/239:45 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sat 5/306:45 am
TYS
- BOS
Nonstop2h 10m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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 6/410:38 am
BOS
- TYS
Nonstop2h 23m
Allegiant Air
Sat 6/206:30 am
TYS
- BOS
Nonstop2h 18m
Allegiant Air
Deal found 4/25![Allegiant Air logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 8/2212:39 pm
BOS
- TYS
Nonstop2h 28m
Allegiant Air
Sat 8/299:30 am
TYS
- BOS
Nonstop2h 19m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$147
This Booking.com deal was found by Cheapflights users on 4/26. 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 Booking.com 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
Sat 8/16:45 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 5/39:06 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sun 5/106:30 am
TYS
- BOS
Nonstop2h 16m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 8/2912:39 pm
BOS
- TYS
Nonstop2h 28m
Allegiant Air
Thu 9/39:30 am
TYS
- BOS
Nonstop2h 15m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/139:53 am
BOS
- TYS
Nonstop2h 23m
Allegiant Air
Thu 6/187:30 am
TYS
- BOS
Nonstop2h 18m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/711:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Sat 7/116:30 am
TYS
- BOS
Nonstop2h 20m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 8/2012:39 pm
BOS
- TYS
Nonstop2h 28m
Allegiant Air
Sun 8/239:30 am
TYS
- BOS
Nonstop2h 19m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Sun 6/1410:38 am
BOS
- TYS
Nonstop2h 23m
Allegiant Air
Thu 6/187:30 am
TYS
- BOS
Nonstop2h 18m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$163
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 April 29, 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 April 29, 2026.
This Southwest deal was found by Cheapflights users on 4/25. 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 6/312:55 pm
BOS
- TYS
1 stop6h 45m
Southwest
Tue 6/96:55 pm
TYS
- BOS
1 stop4h 35m
Southwest
Deal found 4/25![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 4/28. 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 7/13:00 pm
BOS
- TYS
1 stop6h 15m
Delta
Mon 7/137:43 pm
TYS
- BOS
1 stop5h 37m
Delta
Deal found 4/28![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 9/85:45 am
BOS
- TYS
1 stop4h 51m
United Airlines
Fri 9/115:45 am
TYS
- BOS
2 stops7h 02m
United Airlines
Deal found 4/25![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 4/28. 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 9/81:20 pm
BOS
- TYS
1 stop6h 30m
Southwest
Sat 9/126:50 am
TYS
- BOS
2 stops9h 00m
Southwest
Deal found 4/28![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 4/26. 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 6/2910:00 am
BOS
- TYS
1 stop6h 52m
Delta
Tue 6/306:00 am
TYS
- BOS
1 stop4h 24m
Delta
Deal found 4/26![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:00 am
BOS
- TYS
1 stop7h 12m
Delta
Mon 6/87:43 pm
TYS
- BOS
1 stop5h 48m
Delta
Deal found 4/24![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 4/24. 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.
Sat 9/1212:10 pm
BOS
- TYS
1 stop7h 10m
Southwest
Sat 9/196:50 am
TYS
- BOS
2 stops9h 00m
Southwest
Deal found 4/24![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/286:00 am
BOS
- TYS
3 stops14h 56m
United Airlines
Sat 5/306:02 pm
TYS
- BOS
1 stop5h 19m
United Airlines
Deal found 4/28![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 4/24. 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 7/285:35 am
BOS
- TYS
2 stops11h 25m
Southwest
Sun 8/27:00 pm
TYS
- BOS
1 stop5h 55m
Southwest
Deal found 4/24![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/15:00 pm
BOS
- TYS
1 stop7h 30m
United Airlines
Sat 6/65:45 am
TYS
- BOS
2 stops7h 47m
United Airlines
Deal found 4/27![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 4/28. 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 7/201:10 pm
BOS
- TYS
2 stops8h 00m
Southwest
Sun 7/267:00 pm
TYS
- BOS
1 stop5h 55m
Southwest
Deal found 4/28![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 4/27. 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 5/258:45 am
BOS
- TYS
2 stops9h 25m
Southwest
Mon 6/112:15 pm
TYS
- BOS
2 stops9h 35m
Southwest
Deal found 4/27![Southwest logo]()
$418
Last-minute flights from Boston to KnoxvilleDiscover last-minute flight deals from Boston to Knoxville. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Knoxville. Data last updated April 29, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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.
Sun 5/39:06 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sun 5/106:30 am
TYS
- BOS
Nonstop2h 16m
Allegiant Air
Deal found 4/23![Allegiant Air logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/79:36 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sun 5/106:30 am
TYS
- BOS
Nonstop2h 16m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/167:00 am
BOS
- TYS
1 stop11h 03m
Multiple Airlines
Mon 5/181:15 pm
TYS
- BOS
1 stop19h 57m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:36 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sat 5/236:45 am
TYS
- BOS
Nonstop2h 10m
Allegiant Air
Deal found 4/24![Allegiant Air logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:45 am
BOS
- TYS
1 stop15h 05m
Multiple Airlines
Sat 5/236:45 am
TYS
- BOS
Nonstop2h 10m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 am
BOS
- TYS
1 stop10h 30m
Multiple Airlines
Sat 5/236:45 am
TYS
- BOS
Nonstop2h 10m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$178
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 5/239:45 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sat 5/306:45 am
TYS
- BOS
Nonstop2h 10m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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 5/2810:30 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Sat 5/306:45 am
TYS
- BOS
Nonstop2h 10m
Allegiant Air
Deal found 4/25![Allegiant Air logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/3010:46 am
BOS
- TYS
1 stop11h 32m
Allegiant Air
Sun 5/317:30 am
TYS
- BOS
Nonstop2h 10m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$173
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 April 29, 2026.
Search for one-way flight options from Boston to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 5/2410:30 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$52
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 8/2012:39 pm
BOS
- TYS
Nonstop2h 28m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/239:45 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sun 5/109:36 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Deal found 4/27![Allegiant Air logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Mon 5/1810:17 am
BOS
- TYS
1 stop23h 23m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2810:30 am
BOS
- TYS
Nonstop2h 29m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/275:45 am
BOS
- TYS
1 stop30h 28m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/910:40 am
BOS
- TYS
Nonstop2h 22m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$109
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Kiwi.com) |
One-way from | $52 (Kiwi.com) |
Popular in | April |
Cheapest in | February |
Average price | $352 |
Good round-trip deal | $169 or less |
Good one-way deal | $104 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 April 29, 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
Wed 6/3
12:55 pm-7:40 pm
1 stop6h 45m
Knoxville McGhee Tyson
Tue 6/9
6:55 pm-11:30 pm
1 stop4h 35m
$277
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Tue 9/8
1:20 pm-7:50 pm
1 stop6h 30m
Knoxville McGhee Tyson
Sat 9/12
6:50 am-3:50 pm
2 stops9h 00m
$303
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Wed 7/1
3:00 pm-9:15 pm
1 stop6h 15m
Knoxville McGhee Tyson
Mon 7/13
7:43 pm-1:20 am
1 stop5h 37m
$306
Quickest round-trip
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Mon 6/29
10:00 am-4:52 pm
1 stop6h 52m
Knoxville McGhee Tyson
Tue 6/30
6:00 am-10:24 am
1 stop4h 24m
$306
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Tue 9/8
5:45 am-10:36 am
1 stop4h 51m
Knoxville McGhee Tyson
Fri 9/11
5:45 am-12:47 pm
2 stops7h 02m
$311
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Fri 6/5
9:00 am-4:12 pm
1 stop7h 12m
Knoxville McGhee Tyson
Mon 6/8
7:43 pm-1:31 am
1 stop5h 48m
$316
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Sat 9/12
12:10 pm-7:20 pm
1 stop7h 10m
Knoxville McGhee Tyson
Sat 9/19
6:50 am-3:50 pm
2 stops9h 00m
$324
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Tue 7/28
5:35 am-5:00 pm
2 stops11h 25m
Knoxville McGhee Tyson
Sun 8/2
7:00 pm-12:55 am
1 stop5h 55m
$332
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Mon 7/20
1:10 pm-9:10 pm
2 stops8h 00m
Knoxville McGhee Tyson
Sun 7/26
7:00 pm-12:55 am
1 stop5h 55m
$362
BostonKnoxville
BOS - TYS
BOSTYS
Boston Logan Intl
Thu 5/28
6:00 am-8:56 pm
3 stops14h 56m
Knoxville McGhee Tyson
Sat 5/30
6:02 pm-11:21 pm
1 stop5h 19m
$387
Showing 1-10 of 23 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 April.
| 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
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 53 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 $352). 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 April 29, 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 April 29, 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.
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa
Oak Ridge
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Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 29, 2026.
Boston and Knoxville flights
Browse other Boston and Knoxville flight options. Last updated on April 29, 2026.
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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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$210 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$199 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$385 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$393 | FlexibilityNo cancel fee | On-time63% |