$72+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOS
Oct 9 — Oct 161
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
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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 84 days in advance, depart on a Thursday or Tuesday and return on a Friday
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 September 9, 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 September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/278:30 am -
Nonstop2h 12m
Sat 10/319:02 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:30 am -
Nonstop2h 12m
Tue 10/2711:32 am -
Nonstop2h 30m
Deal found 9/9![Allegiant Air logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/316:00 am -
Nonstop2h 12m
Tue 11/311:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Tue 10/2711:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Sat 10/319:02 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/278:30 am -
Nonstop2h 12m
Thu 10/2910:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/51:50 pm -
1 stop20h 20m
Sat 11/79:09 am -
Nonstop2h 30m
Deal found 9/4![Allegiant Air logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/257:30 am -
Nonstop2h 12m
Tue 10/2711:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$202
This CheapOair deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Thu 10/2910:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$203
This CheapOair deal was found by Cheapflights users on 9/7. 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 10/316:00 am -
Nonstop2h 12m
Sun 11/110:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$205
This CheapOair deal was found by Cheapflights users on 9/8. 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
Sun 11/159:09 am -
Nonstop2h 30m
Deal found 9/8![Allegiant Air logo]()
$208
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 September 9, 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 September 9, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 10/236:23 pm -
1 stop5h 11m
Mon 10/265:30 am -
1 stop5h 24m
Deal found 9/8![Delta logo]()
$300
This Southwest deal was found by Cheapflights users on 9/8. 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 10/2212:50 pm -
2 stops8h 40m
Wed 10/2812:50 pm -
2 stops8h 15m
Deal found 9/8![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/305:45 am -
2 stops6h 58m
Sun 10/45:45 am -
1 stop4h 52m
Deal found 9/8![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 9/5. 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 10/246:40 am -
2 stops8h 40m
Sat 10/315:15 am -
2 stops10h 15m
Deal found 9/5![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/129:45 am -
2 stops7h 42m
Sun 11/155:30 am -
2 stops11h 29m
Deal found 9/8![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/25:45 am -
2 stops6h 58m
Tue 10/65:45 am -
1 stop4h 52m
Deal found 9/4![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/305:45 am -
2 stops6h 58m
Mon 10/53:48 pm -
2 stops8h 11m
Deal found 9/8![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 10/145:45 am -
1 stop4h 47m
Sat 10/176:00 am -
2 stops8h 42m
Deal found 9/6![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/107:25 pm -
1 stop4h 34m
Wed 10/149:51 am -
2 stops10h 28m
Deal found 9/6![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/107:25 pm -
1 stop4h 34m
Mon 10/126:00 am -
2 stops8h 42m
Deal found 9/6![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/85:45 am -
2 stops6h 58m
Thu 10/155:45 am -
1 stop4h 52m
Deal found 9/8![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 11/226:45 am -
2 stops12h 12m
Thu 11/267:20 am -
2 stops7h 28m
Deal found 9/5![United Airlines logo]()
$456
Last-minute flights from Knoxville to BostonDiscover last-minute flight deals from Knoxville to Boston. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Boston. Data last updated September 9, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 9/137:10 am -
Nonstop2h 15m
Wed 9/3011:32 am -
Nonstop2h 30m
Deal found 9/4![Allegiant Air logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Tue 10/2711:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Sat 10/319:02 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$191
This CheapOair deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Thu 10/2910:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
Nonstop2h 12m
Sun 11/110:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 10/257:30 am -
Nonstop2h 12m
Sat 10/319:02 am -
Nonstop2h 30m
Deal found 9/4![Allegiant Air logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/257:30 am -
Nonstop2h 12m
Tue 10/2711:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/278:30 am -
Nonstop2h 12m
Sat 10/319:02 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/278:30 am -
Nonstop2h 12m
Thu 10/2910:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/316:00 am -
Nonstop2h 12m
Tue 11/311:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$180
This CheapOair deal was found by Cheapflights users on 9/7. 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 10/316:00 am -
Nonstop2h 12m
Sun 11/110:32 am -
Nonstop2h 30m
Deal found 9/7![Allegiant Air logo]()
$205
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 September 9, 2026.
Search for one-way flight options from Knoxville to Boston. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This iWofly deal was found by Cheapflights users on 9/5. 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 iWofly 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 9/5![Allegiant Air logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/8![Allegiant Air logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/156:00 am -
Nonstop2h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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 9/4![Allegiant Air logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 10/138:30 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Allegiant Air logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/257:30 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Allegiant Air logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/78:30 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Allegiant Air logo]()
$128
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/57:25 pm -
1 stop4h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$136
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/75:45 am -
2 stops6h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 11/132:38 pm -
1 stop18h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Allegiant Air logo]()
$155
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $173 (Kiwi.com) |
One-way from | $72 (iWofly) |
Popular in | June |
Cheapest in | February |
Average price | $283 |
Good round-trip deal | $164 or less |
Good one-way deal | $76 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 September 9, 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
Wed 10/7
5:45 am-12:43 pm
2 stops6h 58m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Thu 10/8
5:45 am-12:43 pm
2 stops6h 58m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Fri 11/13
5:45 am-12:26 pm
2 stops6h 41m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Mon 11/16
5:45 am-1:31 pm
2 stops7h 46m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Mon 10/5
8:14 pm-12:07 pm
2 stops15h 53m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$181
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Sat 11/21
2:40 pm-9:01 pm
1 stop6h 21m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
Quickest round-trip
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Mon 10/19
7:25 pm-12:09 am
1 stop4h 44m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Tue 10/13
5:45 am-12:43 pm
2 stops6h 58m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$188
KnoxvilleBoston
TYS Knoxville McGhee Tyson - BOS Boston Logan Intl
TYSBOS
Knoxville McGhee Tyson
Thu 11/19
5:45 am-1:31 pm
2 stops7h 46m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$188
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
$188
Showing 1-10 of 23 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 September.
| 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 |
- 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 83 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 $359). 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 September 9, 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 September 9, 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.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
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Knoxville and Boston flights
Browse other Knoxville and Boston flight options. Last updated on September 9, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$105 | Average$223 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$146 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$389 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$424 | FlexibilityNo cancel fee | On-time63% |