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Cheap flights from Killeen to Portland from $666

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to Portland departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Killeen to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:04 am - 6:46 pm
GRK
-
PWM
7h 42m
1 stop
American Airlines Logo
9:00 am - 3:34 pm
PWM
-
GRK
7h 34m
1 stop
$666American Airlines
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
12:47 pm - 11:36 pm
GRK
-
PWM
9h 49m
2 stops
American Airlines Logo
9:00 am - 3:34 pm
PWM
-
GRK
7h 34m
1 stop
$731American Airlines
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
12:47 pm - 11:59 pm
GRK
-
PWM
10h 12m
2 stops
American Airlines Logo
6:00 am - 6:45 pm
PWM
-
GRK
13h 45m
2 stops
$831American Airlines
Thu, Sep 17 - Mon, Sep 21

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American Airlines flights from Killeen to Portland, Maine

Our best American Airlines deals on Killeen to Portland, Maine flight tickets
American Airlines
Jul 21
GRK12:54 pmKilleen Fort Hood Regional
10h 49m
2 stops
PWM12:43 amPortland
Jul 25
PWM5:33 pmPortland
7h 06m
1 stop
GRK11:39 pmKilleen Fort Hood Regional
$613
American Airlines
Sep 17
GRK10:04 amKilleen Fort Hood Regional
7h 42m
1 stop
PWM6:46 pmPortland
Sep 21
PWM9:00 amPortland
7h 34m
1 stop
GRK3:34 pmKilleen Fort Hood Regional
$666
American Airlines
Sep 17
GRK12:47 pmKilleen Fort Hood Regional
9h 49m
2 stops
PWM11:36 pmPortland
Sep 21
PWM9:00 amPortland
7h 34m
1 stop
GRK3:34 pmKilleen Fort Hood Regional
$731

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to Portland, 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, momondo users made 832,500 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Killeen to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KilleenPortland

GRK - PWM

GRKPWM

Killeen Fort Hood Regional

Thu 9/17

10:04 am-6:46 pm

1 stop7h 42m

Portland

Mon 9/21

9:00 am-3:34 pm

1 stop7h 34m

$666

KilleenPortland

GRK - PWM

GRKPWM

Killeen Fort Hood Regional

Thu 9/17

12:47 pm-11:36 pm

2 stops9h 49m

Portland

Mon 9/21

9:00 am-3:34 pm

1 stop7h 34m

$731

KilleenPortland

GRK - PWM

GRKPWM

Killeen Fort Hood Regional

Thu 9/17

12:47 pm-11:59 pm

2 stops10h 12m

Portland

Mon 9/21

6:00 am-6:45 pm

2 stops13h 45m

$831

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Killeen to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Portland, Maine?

Delta, JetBlue and Southwest are the top three most popular airlines that fly to Portland, Maine from Killeen according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When to book flights from Killeen to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Killeen to Portland, Maine (GRK to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Portland, Maine

Fastest flight time

7h 42m

Direct flights

None
The fastest flight from Killeen to Portland, Maine takes 7h 42m
There are no direct flights from Killeen to Portland, Maine. There are no popular flight routes from Killeen to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Killeen to Portland, Maine

  • How far is Killeen Fort Hood Regional to Portland by plane?

    The distance between Killeen Fort Hood Regional and Portland is about 1726.3 mi. A reasonable flight in good conditions will take 7h 42m.

  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Portland Airport?

    Prices for flights from Killeen Fort Hood Regional Airport to Portland Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Lewiston
Brunswick
Conway
Freeport
Bartlett
Auburn
Gorham
Windham
Bath
Intervale
Oxford
Falmouth
Georgetown
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to Portland?

It is quick and easy to find Killeen to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

Can I find flights from Killeen to Portland with flexible booking policies on momondo?

All flight searches from Killeen to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Killeen to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Killeen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Killeen to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Killeen to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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