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Cheap flights from Portland to Killeen from $535

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Killeen departing on 12/20. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:24 am - 11:22 pmPDX-GRK
15h 58m2 stops
American Airlines Logo
5:24 am - 8:24 pmGRK-PDX
17h 00m2 stops
$753American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
9:13 am - 11:22 pmPDX-GRK
12h 09m2 stops
American Airlines Logo
5:24 am - 12:07 pmGRK-PDX
8h 43m1 stop
$769American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
2:16 pm - 11:22 pmPDX-GRK
7h 06m1 stop
American Airlines Logo
5:24 am - 10:15 amGRK-PDX
6h 51m1 stop
$825American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11

American Airlines flights from Portland to Killeen

Our best American Airlines deals on Portland to Killeen flight tickets
American Airlines
Nov 7
PDX2:07 pmPortland
6h 14m
1 stop
GRK10:21 pmKilleen Fort Hood Regional
Nov 10
GRK11:52 amKilleen Fort Hood Regional
9h 17m
1 stop
PDX7:09 pmPortland
$611
Find similar
American Airlines
Nov 7
PDX2:07 pmPortland
6h 14m
1 stop
GRK10:21 pmKilleen Fort Hood Regional
Nov 10
GRK11:52 amKilleen Fort Hood Regional
9h 57m
2 stops
PDX7:49 pmPortland
$748
Find similar
American Airlines
Mar 10
PDX5:24 amPortland
15h 58m
2 stops
GRK11:22 pmKilleen Fort Hood Regional
Mar 11
GRK5:24 amKilleen Fort Hood Regional
17h 00m
2 stops
PDX8:24 pmPortland
$753
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
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

PDX - GRK

PDXGRK

Portland

Tue 3/10

5:24 am-11:22 pm

2 stops15h 58m

Killeen Fort Hood Regional

Wed 3/11

5:24 am-8:24 pm

2 stops17h 00m

$753

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Tue 3/10

9:13 am-11:22 pm

2 stops12h 09m

Killeen Fort Hood Regional

Wed 3/11

5:24 am-12:07 pm

1 stop8h 43m

$769

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Tue 3/10

2:16 pm-11:22 pm

1 stop7h 06m

Killeen Fort Hood Regional

Wed 3/11

5:24 am-10:15 am

1 stop6h 51m

$825

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sat 12/20

1:13 pm-10:29 pm

1 stop7h 16m

$535

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Portland to Killeen

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 is the cheapest day to depart on your flight to Killeen?

On average, the least expensive day to fly to Killeen from Portland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $368. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Killeen is Friday, with ticket prices averaging around $602.

What is the cheapest time of day to depart on your flight to Killeen?

According to our data, the cheapest time of day to fly to Killeen is in the evening. momondo users have found flights departing from Portland to Killeen in the evening for as low as $373. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Killeen are more costly in the morning, with an average ticket price of $528. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Portland to Killeen

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

Cheap Portland to Killeen (PDX to GRK) flight deals and tips

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

Direct flights

None
There are no direct flights from Portland to Killeen. There are no popular flight routes from Portland to Killeen.
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  • How far is Portland to Killeen Fort Hood Regional by plane?

    Portland and Killeen Fort Hood Regional are 1666.4 mi apart from one another. Typically, this will take 7h 06m by plane in normal conditions.

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

    Prices for flights from Portland Airport to Killeen Fort Hood Regional Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Killeen Fort Hood Regional Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Killeen Fort Hood Regional Airport.

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

    The required travel and health documents for your Killeen Fort Hood Regional Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Killeen Fort Hood Regional Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Killeen?

Best airlines flying from Portland to Killeen

Compare and see reviews for airlines that fly from Portland to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $336Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights

Traveling to a place near Killeen?

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

Why use momondo?

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

It is quick and easy to find Portland to Killeen 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 Killeen that suits you.

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

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

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momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Killeen.

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

Yes. momondo can track prices for Portland to Killeen 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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Wed 12/3
Wed 12/10
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