$545+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GRK
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
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 August 1, 2026.
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 August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/146:30 am
PDX
- GRK
1 stop6h 14m
American Airlines
Mon 10/197:03 pm
GRK
- PDX
1 stop6h 36m
American Airlines
Deal found 7/30![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/2711:58 am
PDX
- GRK
1 stop7h 07m
American Airlines
Thu 9/37:22 pm
GRK
- PDX
1 stop5h 47m
American Airlines
Deal found 7/30![American Airlines logo]()
$645
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/212:45 am
PDX
- GRK
1 stop6h 51m
American Airlines
Mon 8/107:00 am
GRK
- PDX
1 stop5h 54m
American Airlines
Deal found 7/27![American Airlines logo]()
$707
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 8/1510:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Wed 8/193:05 pm
GRK
- PDX
1 stop6h 48m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$939
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/510:40 am
PDX
- GRK
1 stop6h 12m
Alaska Airlines
Wed 9/912:47 pm
GRK
- PDX
1 stop9h 06m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$959
Best flights from Portland to KilleenDiscover 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 August 1, 2026.
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 August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/146:30 am
PDX
- GRK
1 stop6h 14m
American Airlines
Mon 10/197:03 pm
GRK
- PDX
1 stop6h 36m
American Airlines
Deal found 7/30![American Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 8/1510:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Wed 8/193:05 pm
GRK
- PDX
1 stop6h 48m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$939
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/286:27 am
PDX
- GRK
1 stop6h 08m
American Airlines
Fri 9/412:37 pm
GRK
- PDX
1 stop6h 53m
American Airlines
Deal found 7/31![American Airlines logo]()
$645
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/275:15 am
PDX
- GRK
2 stops11h 37m
American Airlines
Thu 9/312:37 pm
GRK
- PDX
1 stop6h 53m
American Airlines
Deal found 7/30![American Airlines logo]()
$835
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/510:40 am
PDX
- GRK
1 stop6h 12m
Alaska Airlines
Wed 9/912:47 pm
GRK
- PDX
1 stop9h 06m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$939
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 1/2310:45 am
PDX
- GRK
1 stop6h 08m
Alaska Airlines
Wed 1/2712:30 pm
GRK
- PDX
2 stops10h 20m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$944
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 8/1410:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Tue 8/183:05 pm
GRK
- PDX
1 stop6h 44m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$1,011
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 10/1611:47 am
PDX
- GRK
1 stop7h 05m
Alaska Airlines
Mon 10/193:16 pm
GRK
- PDX
1 stop7h 34m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$1,043
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/1310:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Mon 8/173:05 pm
GRK
- PDX
1 stop6h 44m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$1,063
Last-minute flights from Portland to KilleenDiscover last-minute flight deals from Portland to Killeen. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Killeen. Data last updated August 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/212:45 am
PDX
- GRK
1 stop6h 51m
American Airlines
Mon 8/107:00 am
GRK
- PDX
1 stop5h 54m
American Airlines
Deal found 7/27![American Airlines logo]()
$707
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/1310:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Mon 8/173:05 pm
GRK
- PDX
1 stop6h 44m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$1,063
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 8/1410:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Tue 8/183:05 pm
GRK
- PDX
1 stop6h 44m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$1,011
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 8/1510:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Wed 8/193:05 pm
GRK
- PDX
1 stop6h 48m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$939
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/2711:58 am
PDX
- GRK
1 stop7h 07m
American Airlines
Thu 9/37:22 pm
GRK
- PDX
1 stop5h 47m
American Airlines
Deal found 7/30![American Airlines logo]()
$645
One-way flights from Portland to KilleenSearch for one-way flight options from Portland to Killeen. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Portland to Killeen. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/2811:58 am
PDX
- GRK
1 stop7h 01m
American Airlines
Deal found 7/30![American Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 8/1410:45 am
PDX
- GRK
1 stop8h 14m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:30 pm
PDX
- GRK
3 stops26h 22m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$784
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:46 pm
PDX
- GRK
3 stops33h 32m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,138
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/1010:45 am
PDX
- GRK
1 stop6h 07m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$1,777
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 11/611:33 am
PDX
- GRK
1 stop7h 36m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$1,787
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 August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $546 (American Airlines) |
One-way from | $545 (American Airlines) |
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 August 1, 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
Cheapest round-trip
Quickest round-trip
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Wed 10/14
6:30 am-2:44 pm
1 stop6h 14m
Killeen Fort Hood Regional
Mon 10/19
7:03 pm-11:39 pm
1 stop6h 36m
$546
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Fri 8/28
6:27 am-2:35 pm
1 stop6h 08m
Killeen Fort Hood Regional
Fri 9/4
12:37 pm-5:30 pm
1 stop6h 53m
$645
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Thu 8/27
5:15 am-6:52 pm
2 stops11h 37m
Killeen Fort Hood Regional
Thu 9/3
12:37 pm-5:30 pm
1 stop6h 53m
$835
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Sat 8/15
10:45 am-6:52 pm
1 stop6h 07m
Killeen Fort Hood Regional
Wed 8/19
3:05 pm-7:53 pm
1 stop6h 48m
$939
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Sat 9/5
10:40 am-6:52 pm
1 stop6h 12m
Killeen Fort Hood Regional
Wed 9/9
12:47 pm-7:53 pm
1 stop9h 06m
$939
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Sat 1/23
10:45 am-6:53 pm
1 stop6h 08m
Killeen Fort Hood Regional
Wed 1/27
12:30 pm-8:50 pm
2 stops10h 20m
$944
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Fri 8/14
10:45 am-6:52 pm
1 stop6h 07m
Killeen Fort Hood Regional
Tue 8/18
3:05 pm-7:49 pm
1 stop6h 44m
$1,011
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Fri 10/16
11:47 am-8:52 pm
1 stop7h 05m
Killeen Fort Hood Regional
Mon 10/19
3:16 pm-8:50 pm
1 stop7h 34m
$1,043
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Thu 8/13
10:45 am-6:52 pm
1 stop6h 07m
Killeen Fort Hood Regional
Mon 8/17
3:05 pm-7:49 pm
1 stop6h 44m
$1,063
Cheapest one-way
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Fri 8/28
11:58 am-8:59 pm
1 stop7h 01m
$545
Showing 1-10 of 17 resultsSorted 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PDX-GRK
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 August 1, 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.
Comfort
7.2
Overall
7.1
Boarding
7.5
Crew
7.9
Entertainment
6.8
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Comfort
7.2
Overall
7.1
Boarding
7.5
Crew
7.9
Entertainment
6.8
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
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.
Traveling to a place near Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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Portland and Killeen flights
Browse other Portland and Killeen flight options. Last updated on August 1, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$478 | FlexibilityNo cancel fee | On-time71% |