HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Killeen

$537+ Cheap flights from Portland to Killeen (PDX - 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GRK
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Killeen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 20, 2026.

This American Airlines deal was found by Cheapflights users on 6/17. 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 7/96:39 am
PDX
-
GRK
1 stop5h 59m
American Airlines
Sun 7/127:24 pm
GRK
-
PDX
1 stop7h 31m
American Airlines
Deal found 6/17$537
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 12/57:25 am
PDX
-
GRK
2 stops12h 08m
Alaska Airlines
Tue 12/811:52 am
GRK
-
PDX
2 stops10h 58m
Alaska Airlines
Deal found 6/15$939
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 10/2311:50 am
PDX
-
GRK
1 stop7h 19m
Alaska Airlines
Mon 10/263:06 pm
GRK
-
PDX
1 stop7h 44m
Alaska Airlines
Deal found 6/19$1,033
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 7/910:45 am
PDX
-
GRK
1 stop6h 09m
Alaska Airlines
Sun 7/123:08 pm
GRK
-
PDX
1 stop6h 41m
Alaska Airlines
Deal found 6/17$1,053
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Sun 8/1610:45 am
PDX
-
GRK
1 stop6h 07m
Alaska Airlines
Fri 8/213:05 pm
GRK
-
PDX
2 stops20h 25m
Alaska Airlines
Deal found 6/16$1,058
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 8/161:38 pm
PDX
-
GRK
1 stop8h 01m
American Airlines
Fri 8/217:00 am
GRK
-
PDX
1 stop7h 48m
American Airlines
Deal found 6/19$1,079

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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$537
(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
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 June 20, 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

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Thu 7/9

11:41 pm-9:36 am

1 stop7h 55m

Killeen Fort Hood Regional

Sun 7/12

3:08 pm-11:08 pm

2 stops10h 00m

$807

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sat 12/5

7:25 am-9:33 pm

2 stops12h 08m

Killeen Fort Hood Regional

Tue 12/8

11:52 am-8:50 pm

2 stops10h 58m

$939

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Fri 10/23

11:50 am-9:09 pm

1 stop7h 19m

Killeen Fort Hood Regional

Mon 10/26

12:35 pm-8:40 pm

2 stops10h 05m

$1,038
Quickest round-trip

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Thu 7/9

10:45 am-6:54 pm

1 stop6h 09m

Killeen Fort Hood Regional

Sun 7/12

3:08 pm-7:49 pm

1 stop6h 41m

$1,053

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sun 8/16

10:45 am-6:52 pm

1 stop6h 07m

Killeen Fort Hood Regional

Fri 8/21

3:05 pm-9:30 am

2 stops20h 25m

$1,058

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sun 8/16

1:38 pm-11:39 pm

1 stop8h 01m

Killeen Fort Hood Regional

Fri 8/21

7:00 am-12:48 pm

1 stop7h 48m

$1,079
Cheapest one-way

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sun 7/12

5:07 am-2:38 pm

1 stop7h 31m

$540

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sun 7/12

7:32 am-10:27 pm

2 stops12h 55m

$705
Quickest one-way

PortlandKilleen

PDX - GRK

PDXGRK

Portland

Sun 6/28

10:45 am-6:51 pm

1 stop6h 06m

$1,777

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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 June.
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.

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 June 20, 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
11,715 reviews

Crew

7.9

Comfort

7.2

Food

6.4

Entertainment

6.8

Boarding

7.5

Overall

7.1

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
11,715 reviews
American Airlines
7.1
Good
11,715 reviews

Crew

7.9

Comfort

7.2

Food

6.4

Entertainment

6.8

Boarding

7.5

Overall

7.1

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 and Alaska Airlines fly from Portland to Killeen in about 7h 55m. The time it takes to get you to your destination can typically vary by up to 4h 13m. Airlines will cover a distance of 1663 mi. This flight may include one or multiple stops.

  • 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..

  • 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$297Average$476FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.