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Killeen

$453+ Cheap flights from Portland to Killeen (PDX - GRK)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GRK
May 15 — May 221
Fri 5/15
Fri 5/22
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 April 15, 2026.

This American Airlines deal was found by Cheapflights users on 4/14. 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 5/276:37 am
PDX
-
GRK
1 stop6h 00m
American Airlines
Wed 6/247:52 pm
GRK
-
PDX
1 stop6h 58m
American Airlines
Deal found 4/14$477
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/2311:43 pm
PDX
-
GRK
1 stop7h 51m
American Airlines
Thu 6/257:21 pm
GRK
-
PDX
1 stop7h 29m
American Airlines
Deal found 4/14$507
This American Airlines deal was found by Cheapflights users on 4/11. 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 5/1412:59 am
PDX
-
GRK
1 stop6h 36m
American Airlines
Fri 5/227:21 pm
GRK
-
PDX
1 stop7h 28m
American Airlines
Deal found 4/11$511
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/126:00 am
PDX
-
GRK
1 stop7h 24m
American Airlines
Tue 5/195:00 am
GRK
-
PDX
1 stop8h 01m
American Airlines
Deal found 4/14$555
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:21 am
PDX
-
GRK
2 stops12h 31m
Alaska Airlines
Tue 5/1211:58 am
GRK
-
PDX
2 stops10h 50m
Alaska Airlines
Deal found 4/12$693

Find flight deals from Portland to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 April 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$477
(American Airlines)

One-way from

$453
(American Airlines)

Popular in

November

Cheapest in

January
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
Search Deals
One-way flight from Portland to Killeen Fort Hood Regional
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals

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 April 15, 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

Cheapest round-trip
Quickest round-trip

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Thu 5/14

12:59 am-9:35 am

1 stop6h 36m

Killeen Fort Hood Regional

Fri 5/22

7:21 pm-12:49 am

1 stop7h 28m

$511

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sat 5/23

11:43 pm-9:34 am

1 stop7h 51m

Killeen Fort Hood Regional

Thu 6/25

3:07 pm-10:27 pm

2 stops9h 20m

$512

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Tue 5/12

6:00 am-3:24 pm

1 stop7h 24m

Killeen Fort Hood Regional

Tue 5/19

5:00 am-11:01 am

1 stop8h 01m

$555

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sat 5/9

7:21 am-9:52 pm

2 stops12h 31m

Killeen Fort Hood Regional

Tue 5/12

11:58 am-8:48 pm

2 stops10h 50m

$693
Cheapest one-way

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sat 4/25

7:21 am-9:52 pm

2 stops12h 31m

$458

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Tue 4/21

7:15 am-9:52 pm

2 stops12h 37m

$458

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Wed 4/22

7:21 am-9:52 pm

2 stops12h 31m

$458
Quickest one-way

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Mon 4/27

1:52 pm-11:46 pm

1 stop7h 54m

$540

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Thu 4/23

12:59 am-11:21 am

1 stop8h 22m

$540

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Thu 4/23

7:21 am-9:52 pm

2 stops12h 31m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Sorted by cheapest first

Compare providers for flights from Portland to Killeen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Killeen in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Currently, September is the cheapest month in which you can book a flight from Portland to Killeen (average of $152). Flying from Portland to Killeen in July is currently the most expensive (average of $194). 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 insights into the airlines that provide service to Killeen. 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 Killeen. Reviews last updated April 15, 2026.
See what other customers who have flown with American Airlines from Portland to Killeen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,581 reviews

Overall

7.1

Entertainment

6.9

Comfort

7.2

Crew

7.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.1
Good
11,581 reviews
American Airlines
7.1
Good
11,581 reviews

Overall

7.1

Entertainment

6.9

Comfort

7.2

Crew

7.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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 to Killeen?

    Airlines like American Airlines fly from Portland to Killeen in about 6h 36m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1663 mi.

  • What is the cheapest airline to fly from Portland to Killeen round-trip?

    American Airlines, at $297, was found to be the cheapest airline from Portland to Killeen.. American Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • 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 to Killeen?

    Currently, September is the cheapest month in which you can book a flight from Portland to Killeen (average of $152). Flying from Portland to Killeen in July is currently the most expensive (average of $194). 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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Top airline flying from Portland to Killeen

Discover the top airline that operate flights from Portland to Killeen. 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$297Average$428FlexibilityNo cancel feeOn-time71%

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