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Killeen

$1,077+ Cheap flights from Portland, ME to Killeen (PWM - GRK)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GRK
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap flight deals from Portland to Killeen

Cheapest flights from Portland to Killeen
Explore the most affordable flight options available from Portland to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2026.

This American Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/2110:47 am
PWM
-
GRK
2 stops12h 05m
American Airlines
Sat 4/2510:05 am
GRK
-
PWM
2 stops12h 22m
American Airlines
Deal found 2/24$1,077
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/216:00 am
PWM
-
GRK
2 stops10h 24m
American Airlines
Fri 4/245:00 am
GRK
-
PWM
2 stops10h 40m
American Airlines
Deal found 2/24$1,198

Find flight deals from Portland to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,077
(American Airlines)
Provider with most accurate pricing for Portland-Killeen Fort Hood Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Killeen Fort Hood Regional flights.
Search Deals
From Portland to Killeen Fort Hood Regional
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 February 27, 2026.
Use the filters below to find and compare flights from Portland to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandKilleen

PWM - GRK

PWMGRK

Portland

Thu 4/23

3:39 pm-11:46 pm

2 stops9h 07m

Killeen Fort Hood Regional

Sat 4/25

10:05 am-11:27 pm

2 stops12h 22m

$1,077

PortlandKilleen

PWM - GRK

PWMGRK

Portland

Wed 4/22

10:24 am-6:39 pm

2 stops9h 15m

Killeen Fort Hood Regional

Fri 4/24

7:13 am-5:31 pm

2 stops9h 18m

$1,198

PortlandKilleen

PWM - GRK

PWMGRK

Portland

Tue 4/21

6:00 am-3:24 pm

2 stops10h 24m

Killeen Fort Hood Regional

Fri 4/24

5:00 am-4:40 pm

2 stops10h 40m

$1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland, Maine-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Killeen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-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 Portland, Maine-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 Portland to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Portland 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 Portland to Killeen

What is the cheapest month to book a flight from Portland, Maine to Killeen?

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Killeen (average of $129). Flying from Portland, Maine to Killeen in May is currently the most expensive (average of $228). 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.

Related info for your journey

Find useful and relevant information for your journey from Portland to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland, Maine to Killeen?

    There are many flights that can get you from Portland, Maine to Killeen in 12h 05m. Fly via American Airlines to get the fastest option. The distance between Portland, Maine and Killeen is about 1730 mi.

  • Can I find deals for flights from Portland to Killeen that include hotel bookings?

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

  • How can I find direct flights from Portland to Killeen?

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

  • Can I find deals for business class flights from Portland to Killeen?

    Yes. Cheapflights offers flight deals from Portland to Killeen 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 Portland, Maine to Killeen?

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Killeen (average of $129). Flying from Portland, Maine to Killeen in May is currently the most expensive (average of $228). 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 Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Copperas Cove

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