$297+ Cheap flights from Killeen (GRK) to Maine
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — PWM
May 26 — Jun 21
Round-trip
1 adult, Economy
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Cheapest flights from Killeen to MaineExplore the most affordable flight options available from Killeen to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.
Explore the most affordable flight options available from Killeen to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:59 am
GRK
- PWM
1 stop7h 54m
American Airlines
Sat 9/199:01 am
PWM
- GRK
2 stops10h 53m
American Airlines
Deal found 4/23![American Airlines logo]()
$490
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:54 pm
GRK
- BOS
1 stop7h 10m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$597
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:08 pm
GRK
- BOS
2 stops9h 27m
American Airlines
Tue 5/1911:51 am
BOS
- GRK
2 stops11h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$607
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:05 am
GRK
- BOS
2 stops13h 20m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$610
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:00 am
GRK
- BOS
1 stop8h 23m
American Airlines
Tue 5/1911:51 am
BOS
- GRK
2 stops11h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$630
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
GRK
- BOS
1 stop5h 52m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$645
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
GRK
- BOS
1 stop5h 52m
American Airlines
Sat 5/1610:51 am
BOS
- GRK
2 stops12h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$650
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:58 am
GRK
- BOS
2 stops10h 09m
American Airlines
Tue 5/1911:51 am
BOS
- GRK
2 stops11h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$655
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:13 am
GRK
- BOS
1 stop6h 10m
American Airlines
Sat 5/165:54 pm
BOS
- GRK
1 stop6h 52m
American Airlines
Deal found 4/23![American Airlines logo]()
$686
Best flights from Killeen to MaineDiscover carefully curated flight deals from Killeen to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
Discover carefully curated flight deals from Killeen to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:37 pm
GRK
- PWM
2 stops8h 41m
American Airlines
Sat 9/198:00 am
PWM
- GRK
1 stop7h 39m
American Airlines
Deal found 4/26![American Airlines logo]()
$490
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:05 am
GRK
- BOS
1 stop5h 59m
American Airlines
Sat 5/165:54 pm
BOS
- GRK
1 stop6h 52m
American Airlines
Deal found 4/23![American Airlines logo]()
$625
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:54 pm
GRK
- BOS
1 stop7h 10m
American Airlines
Sat 5/1612:07 pm
BOS
- GRK
2 stops10h 45m
American Airlines
Deal found 4/23![American Airlines logo]()
$650
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:13 am
GRK
- BOS
1 stop6h 10m
American Airlines
Sat 5/165:54 pm
BOS
- GRK
1 stop6h 52m
American Airlines
Deal found 4/23![American Airlines logo]()
$686
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:13 am
GRK
- BOS
1 stop6h 10m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$686
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:05 am
GRK
- BOS
2 stops13h 20m
American Airlines
Mon 5/185:54 pm
BOS
- GRK
1 stop6h 52m
American Airlines
Deal found 4/23![American Airlines logo]()
$699
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:13 am
GRK
- BOS
1 stop7h 17m
American Airlines
Sun 5/177:00 am
BOS
- GRK
1 stop9h 24m
American Airlines
Deal found 4/23![American Airlines logo]()
$710
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:00 am
GRK
- BOS
1 stop5h 39m
American Airlines
Thu 10/82:25 pm
BOS
- GRK
1 stop7h 44m
American Airlines
Deal found 4/24![American Airlines logo]()
$1,065
Last-minute flights from Killeen to MaineDiscover last-minute flight deals from Killeen to Maine. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Maine. Data last updated April 26, 2026 and is based on user searches.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
GRK
- BOS
1 stop5h 52m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$645
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
GRK
- BOS
1 stop5h 52m
American Airlines
Sat 5/1610:51 am
BOS
- GRK
2 stops12h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$650
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:58 am
GRK
- BOS
2 stops10h 09m
American Airlines
Tue 5/1911:51 am
BOS
- GRK
2 stops11h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$655
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:05 am
GRK
- BOS
2 stops13h 20m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$610
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:00 am
GRK
- BOS
1 stop8h 23m
American Airlines
Tue 5/1911:51 am
BOS
- GRK
2 stops11h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$630
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:13 am
GRK
- BOS
1 stop6h 10m
American Airlines
Sat 5/165:54 pm
BOS
- GRK
1 stop6h 52m
American Airlines
Deal found 4/23![American Airlines logo]()
$686
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:54 pm
GRK
- BOS
1 stop7h 10m
American Airlines
Tue 5/192:02 pm
BOS
- GRK
1 stop8h 50m
American Airlines
Deal found 4/23![American Airlines logo]()
$597
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:08 pm
GRK
- BOS
2 stops9h 27m
American Airlines
Tue 5/1911:51 am
BOS
- GRK
2 stops11h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$607
One-way flights from Killeen to MaineSearch for one-way flight options from Killeen to Maine. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
Search for one-way flight options from Killeen to Maine. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:13 am
GRK
- BOS
1 stop7h 17m
American Airlines
Deal found 4/26![American Airlines logo]()
$297
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:00 am
GRK
- BOS
1 stop7h 11m
American Airlines
Deal found 4/26![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/2212:44 pm
GRK
- BOS
1 stop8h 30m
American Airlines
Deal found 4/22![American Airlines logo]()
$426
Find flight deals from Killeen to Maine
Keep the following information in mind while searching for Killeen to Maine flight deals. Data was last updated April 26, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $490 (American Airlines) |
One-way from | $297 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to Maine 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 26, 2026.
Use the filters below to find and compare flights from Killeen to Maine that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenPortland
GRK - PWM
GRKPWM
Killeen Fort Hood Regional
Sat 9/5
12:37 pm-10:18 pm
2 stops8h 41m
Portland
Sat 9/19
8:00 am-2:39 pm
1 stop7h 39m
$490
Quickest round-trip
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Tue 5/12
10:05 am-5:04 pm
1 stop5h 59m
Boston Logan Intl
Sat 5/16
5:54 pm-11:46 pm
1 stop6h 52m
$625
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Mon 5/11
3:54 pm-12:04 am
1 stop7h 10m
Boston Logan Intl
Sat 5/16
12:07 pm-9:52 pm
2 stops10h 45m
$650
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Thu 5/14
7:13 am-2:23 pm
1 stop6h 10m
Boston Logan Intl
Sat 5/16
5:54 pm-11:46 pm
1 stop6h 52m
$686
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Thu 5/14
7:13 am-2:23 pm
1 stop6h 10m
Boston Logan Intl
Tue 5/19
2:02 pm-9:52 pm
1 stop8h 50m
$686
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Tue 5/12
10:05 am-12:25 am
2 stops13h 20m
Boston Logan Intl
Mon 5/18
5:54 pm-11:46 pm
1 stop6h 52m
$699
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Thu 5/14
7:13 am-3:30 pm
1 stop7h 17m
Boston Logan Intl
Sun 5/17
7:00 am-3:24 pm
1 stop9h 24m
$710
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Mon 10/5
7:00 am-1:39 pm
1 stop5h 39m
Boston Logan Intl
Thu 10/8
2:25 pm-9:09 pm
1 stop7h 44m
$1,065
Cheapest one-way
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Sun 5/10
5:00 am-2:17 pm
2 stops8h 17m
$302
Quickest one-way
KilleenBoston
GRK - BOS
GRKBOS
Killeen Fort Hood Regional
Sat 5/2
5:00 am-1:11 pm
1 stop7h 11m
$361
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from Killeen to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Killeen with our price prediction graph.
GRK-PWM
GRK-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 Killeen to Maine
GRK-USME
GRK-PWM
GRK-BOS
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Maine
Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated April 26, 2026.
Peruse reviews from past customers who have flown with American Airlines from Killeen to Maine to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.2
Overall
7.1
Entertainment
6.9
Food
6.4
Crew
7.9
Reviews
1 / 20
6.0
Goodsheila,Mar 2025
DFW - MSP
Boarding
7.5
Comfort
7.2
Overall
7.1
Entertainment
6.9
Food
6.4
Crew
7.9
Reviews
1 / 20
6.0
Goodsheila,Mar 2025
DFW - MSP
Related info for your journey
Find useful and relevant information for your journey from Killeen to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Killeen to Maine
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Complete your trip
Complete your trip to Maine by adding a car rental and/or hotel reservation to your travel itinerary.
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Killeen and Maine flights
Browse other Killeen and Maine flight options. Last updated on April 26, 2026.
Popular flight searches
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Killeen to Maine flights
Consider these flights traveling from Killeen to Maine.
Top airline flying from Killeen to Maine
Discover the top airline that operate flights from Killeen to Maine. 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$460 | FlexibilityNo cancel fee | On-time71% |