$390+ Cheap flights from Boston to Killeen (BOS - GRK)
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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — GRK
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Killeen 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.Cheap flight deals from Boston to Killeen
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Cheapest flights from Boston to KilleenExplore the most affordable flight options available from Boston to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Boston to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:30 am
BOS
- GRK
1 stop8h 05m
American Airlines
Sat 8/299:59 am
GRK
- BOS
1 stop8h 43m
American Airlines
Deal found 7/21![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:29 am
BOS
- GRK
1 stop8h 15m
American Airlines
Sun 10/113:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/19![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:17 am
BOS
- GRK
1 stop7h 41m
American Airlines
Tue 10/2012:28 pm
GRK
- BOS
1 stop8h 36m
American Airlines
Deal found 7/19![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 10/86:10 am
BOS
- GRK
1 stop6h 48m
American Airlines
Sun 10/113:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/18![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:17 am
BOS
- GRK
1 stop7h 41m
American Airlines
Wed 10/215:00 am
GRK
- BOS
1 stop6h 05m
American Airlines
Deal found 7/19![American Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:17 am
BOS
- GRK
1 stop7h 41m
American Airlines
Thu 10/2210:00 am
GRK
- BOS
1 stop8h 52m
American Airlines
Deal found 7/19![American Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:20 pm
BOS
- GRK
1 stop6h 16m
American Airlines
Mon 10/193:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/19![American Airlines logo]()
$673
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:17 am
BOS
- GRK
1 stop7h 41m
American Airlines
Wed 10/215:00 am
GRK
- BOS
1 stop6h 05m
American Airlines
Deal found 7/19![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:28 am
BOS
- GRK
1 stop7h 16m
American Airlines
Sun 10/1812:28 pm
GRK
- BOS
1 stop6h 24m
American Airlines
Deal found 7/19![American Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:28 am
BOS
- GRK
1 stop7h 16m
American Airlines
Tue 10/205:00 am
GRK
- BOS
2 stops13h 18m
American Airlines
Deal found 7/19![American Airlines logo]()
$698
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:10 am
BOS
- GRK
1 stop6h 48m
American Airlines
Fri 10/233:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/19![American Airlines logo]()
$744
Best flights from Boston to KilleenDiscover carefully curated flight deals from Boston to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Boston to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:02 pm
BOS
- GRK
1 stop6h 50m
American Airlines
Sat 9/512:37 pm
GRK
- BOS
1 stop6h 05m
American Airlines
Deal found 7/21![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:30 am
BOS
- GRK
1 stop8h 05m
American Airlines
Sat 8/299:59 am
GRK
- BOS
1 stop8h 43m
American Airlines
Deal found 7/21![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:29 am
BOS
- GRK
1 stop8h 15m
American Airlines
Sun 10/113:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/22![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 10/86:10 am
BOS
- GRK
1 stop6h 48m
American Airlines
Sun 10/113:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/18![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:17 am
BOS
- GRK
1 stop7h 41m
American Airlines
Sat 10/245:00 am
GRK
- BOS
1 stop6h 05m
American Airlines
Deal found 7/19![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:28 am
BOS
- GRK
1 stop7h 16m
American Airlines
Sun 10/1812:28 pm
GRK
- BOS
1 stop6h 24m
American Airlines
Deal found 7/19![American Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:28 am
BOS
- GRK
1 stop7h 16m
American Airlines
Mon 10/193:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/19![American Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:29 am
BOS
- GRK
1 stop8h 15m
American Airlines
Mon 10/193:16 pm
GRK
- BOS
1 stop7h 39m
American Airlines
Deal found 7/19![American Airlines logo]()
$693
Last-minute flights from Boston to KilleenDiscover last-minute flight deals from Boston to Killeen. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Killeen. Data last updated July 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:01 am
BOS
- GRK
1 stop7h 37m
American Airlines
Thu 8/612:37 pm
GRK
- BOS
1 stop6h 05m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,015
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:30 am
BOS
- GRK
1 stop8h 05m
American Airlines
Sat 8/299:59 am
GRK
- BOS
1 stop8h 43m
American Airlines
Deal found 7/21![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
BOS
- GRK
2 stops8h 35m
American Airlines
Sat 9/55:00 am
GRK
- BOS
2 stops7h 42m
American Airlines
Deal found 7/21![American Airlines logo]()
$813
One-way flights from Boston to KilleenSearch for one-way flight options from Boston to Killeen. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Boston to Killeen. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Mon 8/107:17 pm
BOS
- GRK
2 stops15h 12m
American Airlines
Deal found 7/18![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 8/137:10 am
BOS
- GRK
2 stops12h 42m
American Airlines
Deal found 7/18![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Wed 8/53:53 pm
BOS
- GRK
2 stops18h 36m
American Airlines
Deal found 7/18![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Thu 8/66:14 am
BOS
- GRK
2 stops13h 38m
American Airlines
Deal found 7/18![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Tue 8/49:01 am
BOS
- GRK
1 stop6h 37m
American Airlines
Deal found 7/18![American Airlines logo]()
$475
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/71:01 pm
BOS
- GRK
2 stops21h 28m
American Airlines
Deal found 7/18![American Airlines logo]()
$482
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Sun 8/91:02 pm
BOS
- GRK
1 stop6h 50m
American Airlines
Deal found 7/18![American Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/811:58 am
BOS
- GRK
2 stops22h 31m
American Airlines
Deal found 7/18![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am
BOS
- GRK
1 stop8h 37m
American Airlines
Deal found 7/22![American Airlines logo]()
$513
Find flight deals from Boston to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Killeen (GRK). 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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $485 (American Airlines) |
One-way from | $390 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Killeen 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 July 23, 2026.
Use the filters below to find and compare flights from Boston to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Wed 8/26
1:02 pm-6:52 pm
1 stop6h 50m
Killeen Fort Hood Regional
Sat 9/5
12:37 pm-7:42 pm
1 stop6h 05m
$485
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Sat 8/22
7:30 am-2:35 pm
1 stop8h 05m
Killeen Fort Hood Regional
Sat 8/29
9:59 am-7:42 pm
1 stop8h 43m
$485
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Wed 10/7
7:29 am-2:44 pm
1 stop8h 15m
Killeen Fort Hood Regional
Sun 10/11
3:16 pm-11:55 pm
1 stop7h 39m
$539
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Thu 10/8
6:10 am-11:58 am
1 stop6h 48m
Killeen Fort Hood Regional
Sun 10/11
3:16 pm-11:55 pm
1 stop7h 39m
$593
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Fri 10/16
5:17 am-11:58 am
1 stop7h 41m
Killeen Fort Hood Regional
Sat 10/24
5:00 am-12:05 pm
1 stop6h 05m
$690
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Tue 10/13
8:28 am-2:44 pm
1 stop7h 16m
Killeen Fort Hood Regional
Sun 10/18
12:28 pm-7:52 pm
1 stop6h 24m
$693
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Tue 10/13
8:28 am-2:44 pm
1 stop7h 16m
Killeen Fort Hood Regional
Mon 10/19
3:16 pm-11:55 pm
1 stop7h 39m
$693
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Thu 10/15
7:29 am-2:44 pm
1 stop8h 15m
Killeen Fort Hood Regional
Mon 10/19
3:16 pm-11:55 pm
1 stop7h 39m
$693
Cheapest one-way
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Fri 8/14
3:53 pm-9:29 am
2 stops18h 36m
$390
BostonKilleen
BOS - GRK
BOSGRK
Boston Logan Intl
Tue 8/11
7:17 pm-9:29 am
2 stops15h 12m
$390
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Boston to Killeen
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 Killeen in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Killeen 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-Killeen 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 Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Boston with our price prediction graph.
BOS-GRK
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.
Reviews of airlines servicing Killeen
Get insights into the airlines that provide service to Killeen. 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 Killeen. Reviews last updated July 23, 2026.
Read through reviews of airlines operating flights from Boston to Killeen, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.8
Overall
7.1
Boarding
7.5
Comfort
7.2
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Entertainment
6.8
Overall
7.1
Boarding
7.5
Comfort
7.2
Crew
7.9
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Boston to Killeen. 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 Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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Boston and Killeen flights
Browse other Boston and Killeen flight options. Last updated on July 23, 2026.
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to Killeen
Discover the top airline that operate flights from Boston to Killeen. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$593 | FlexibilityNo cancel fee | On-time71% |