HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$55+ Cheap flights from Knoxville to Boston (TYS - BOS)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Boston Logan Intl are usually found in March or June, booked 26 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 June 12, 2025.

Round-trip from

$90
(Mytrip)

One-way from

$55
(Mytrip)

Popular in

January

Cheapest in

March

Average price

$181

Good round-trip deal

$104 or less

Good one-way deal

$70 or less
From Knoxville McGhee Tyson to Boston Logan Intl
Search Deals
One-way flight from Knoxville McGhee Tyson to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Boston Logan Intl.
Search Deals

Find flight deals from Knoxville to Boston

Cheapest flights from Knoxville to Boston
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 June 12, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:40 amTYS - BOS
Nonstop2h 15mAllegiant Air
Wed 7/239:45 amBOS - TYS
Nonstop2h 21mAllegiant Air
Deal found 6/12$90
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:10 amTYS - BOS
2 stops12h 20mMultiple Airlines
Wed 7/239:45 amBOS - TYS
Nonstop2h 21mMultiple Airlines
Deal found 6/10$165
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/127:35 amTYS - BOS
1 stop4h 51mAmerican Airlines
Sat 7/191:05 pmBOS - TYS
1 stop7h 34mAmerican Airlines
Deal found 6/12$241
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 7/2211:26 amTYS - BOS
1 stop7h 04mDelta
Thu 7/316:00 amBOS - TYS
1 stop4h 46mDelta
Deal found 6/10$245
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:45 amTYS - BOS
2 stops7h 55mUnited Airlines
Wed 7/235:30 amBOS - TYS
1 stop4h 57mUnited Airlines
Deal found 6/12$269

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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Knoxville to Boston that are best for you.

Fly from

Knoxville

Fly to

Boston

Route

Depart

Return

Price

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 7/9

6:40 am-8:55 am

Nonstop2h 15m

Boston Logan Intl

Wed 7/23

9:45 am-12:06 pm

Nonstop2h 21m

$90

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 7/9

7:10 am-7:30 pm

2 stops12h 20m

Boston Logan Intl

Wed 7/23

9:45 am-12:06 pm

Nonstop2h 21m

$165

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sat 7/12

7:35 am-12:26 pm

1 stop4h 51m

Boston Logan Intl

Sat 7/19

1:05 pm-8:39 pm

1 stop7h 34m

$241

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 7/22

11:26 am-6:30 pm

1 stop7h 04m

Boston Logan Intl

Thu 7/31

6:00 am-10:46 am

1 stop4h 46m

$245

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 7/9

5:45 am-1:40 pm

2 stops7h 55m

Boston Logan Intl

Wed 7/23

5:30 am-10:27 am

1 stop4h 57m

$269

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 7/9

6:40 am-8:55 am

Nonstop2h 15m

$55

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 6/26

9:04 pm-3:37 pm

1 stop18h 33m

$107

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 7/16

5:12 pm-11:53 pm

1 stop6h 41m

$207

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 7/30

7:00 am-3:32 pm

2 stops8h 32m

$244

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sun 7/6

6:34 am-11:06 am

1 stop4h 32m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.
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

How far ahead should I book a flight from Knoxville to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Boston. Price data was last updated on June 9, 2025.

The best time to book flights from Knoxville to Boston is 26 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, January is the cheapest month in which you can book a flight from Knoxville to Boston (average of $218). Flying from Knoxville to Boston in June is currently the most expensive (average of $306). 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 June 12, 2025.

It’s optimal to fly from Knoxville to Boston in the morning. By choosing this option you can save up to 65% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Knoxville to Boston?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Boston. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Knoxville to Boston flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Knoxville to Boston to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How popular is this Knoxville to Boston flight route?

    Within the past month, 2 users have taken a look at flights from Knoxville McGhee Tyson to Boston Logan Intl.

  • What are the cheapest airlines flying from Knoxville to Boston round-trip?

    Our cheapest airline available from Knoxville to Boston is Allegiant Air. Our recent data shows that you can find tickets from as low as $90 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $241 and $245 round-trip. Allegiant Air is 69% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Knoxville to Boston one-way?

    One-way options have recently been found by users for as low as $55 on Allegiant Air. Other airlines that offer cheap prices include Delta from $207 and United Airlines from $244 one-way.

  • What are the cheapest flights from Knoxville to Boston?

    Looking at all options, your cheapest flight can be booked for $51. While the most popular route (Knoxville McGhee Tyson - Boston Logan Intl) can be booked for $90 on average our data indicates $107 when flying from Knoxville to Boston.

  • Can I find deals for flights from Knoxville to Boston that include hotel bookings?

    Yes. In addition to deals on Knoxville to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Boston.

  • Can I find deals for business class flights from Knoxville to Boston?

    Yes. Cheapflights offers flight deals from Knoxville to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Boston?

    Currently, January is the cheapest month in which you can book a flight from Knoxville to Boston (average of $218). Flying from Knoxville to Boston in June is currently the most expensive (average of $306). 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.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Knoxville to Boston

Discover the top 4 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$185FlexibilityNo cancel feeOn-time88%
DeltaCheapest$240Average$480FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$491FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$252Average$646FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.