What is the cheapest day to fly from Portland, Maine to Killeen?

Travelers seeking maximum savings on their Portland, Maine to Killeen flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Killeen ranges from 1.5 - 4.4 inches per month. October is typically the wettest month, when rainfall can reach 4.4 in. March is typically the driest time to visit Killeen when rainfall is around 1.5 in.

If weather is an important factor for your trip to Killeen, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest time of day to fly from PWM to GRK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Killeen as you normally would.

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.

$357+ Flights from Portland, ME to Killeen

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Cheap flight deals from Portland to Killeen

Round-trip from	$357 (American Airlines)

From Portland to Killeen Fort Hood Regional

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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 July 3, 2025.

Sat 9/69:18 amPWM - GRK

1 stop7h 52mAmerican Airlines

Tue 9/910:17 amGRK - PWM

1 stop6h 28mAmerican Airlines

Deal found 7/2

$357

Best flights from Portland to Killeen
Discover carefully curated flight deals from Portland to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 9/69:18 amPWM - GRK

1 stop7h 52mAmerican Airlines

Tue 9/910:17 amGRK - PWM

1 stop6h 28mAmerican Airlines

Deal found 7/2

$357

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Killeen that are best for you.

Fly from

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Route

Depart

Return

Price

PortlandKilleen

PWM - GRK

PWMGRK

Portland

Sat 9/6

9:18 am-4:10 pm

1 stop7h 52m

Killeen Fort Hood Regional

Tue 9/9

10:17 am-5:45 pm

1 stop6h 28m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, January is the cheapest month in which you can book a flight from Portland, Maine to Killeen (average of $316). Flying from Portland, Maine to Killeen in December is currently the most expensive (average of $468). 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.

Reviews of airlines servicing Killeen

Get a feel of what it's like to fly with American Airlines from Portland to Killeen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2025

PIT - DFW

Related info for your journey

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, January is the cheapest month in which you can book a flight from Portland, Maine to Killeen (average of $316). Flying from Portland, Maine to Killeen in December is currently the most expensive (average of $468). 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.

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$357+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Killeen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Killeen

Round-trip from

Find flight deals from Portland to Killeen

Cheapest flights from Portland to KilleenExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Killeen that are best for you.

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.

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?

Reviews of airlines servicing Killeen

Get a feel of what it's like to fly with American Airlines from Portland to Killeen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

How can I find direct flights from Portland to Killeen?

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

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

Traveling to a place near Portland?

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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 July 3, 2025.