$458+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GRK
Oct 10 — Oct 171
Round-trip
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
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 September 10, 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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/102:25 pm -
1 stop7h 11m
Tue 10/133:16 pm -
1 stop6h 13m
Deal found 9/10![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/168:00 am -
1 stop5h 34m
Wed 9/2312:47 pm -
1 stop6h 07m
Deal found 9/10![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/112:01 pm -
1 stop7h 02m
Sun 10/47:15 pm -
1 stop6h 08m
Deal found 9/7![American Airlines logo]()
$707
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 September 10, 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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/102:25 pm -
1 stop7h 11m
Tue 10/133:16 pm -
1 stop6h 13m
Deal found 9/10![American Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 2/2710:45 am -
1 stop8h 03m
Wed 3/312:26 pm -
2 stops10h 24m
Deal found 9/9![Alaska Airlines logo]()
$698
Last-minute flights from Portland to KilleenDiscover last-minute flight deals from Portland to Killeen. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Killeen. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/168:00 am -
1 stop5h 34m
Wed 9/2312:47 pm -
1 stop6h 07m
Deal found 9/10![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/112:01 pm -
1 stop7h 02m
Sun 10/47:15 pm -
1 stop6h 08m
Deal found 9/7![American Airlines logo]()
$707
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/102:25 pm -
1 stop7h 11m
Tue 10/133:16 pm -
1 stop6h 13m
Deal found 9/10![American Airlines logo]()
$509
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 September 10, 2026.
Search for one-way flight options from Portland to Killeen. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/1511:09 pm -
2 stops22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/1911:59 pm -
1 stop7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/1811:31 pm -
2 stops32h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/1311:09 pm -
2 stops22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/286:30 am -
2 stops10h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/172:36 pm -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$630
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $509 (American Airlines) |
One-way from | $458 (American Airlines) |
Popular in | November |
Cheapest in | January |
Average price | $384 |
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 7,457,451 searches. Data last updated September 10, 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 Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Tue 12/15
7:00 am-2:37 pm
1 stop5h 37m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$458
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Wed 12/16
1:22 pm-2:18 pm
2 stops22h 56m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$458
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Wed 10/28
11:58 am-10:07 pm
1 stop8h 09m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$458
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Fri 12/18
11:31 pm-9:37 am
2 stops32h 06m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$500
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Sun 12/13
11:09 pm-11:44 pm
2 stops22h 35m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$508
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Sat 10/10
2:25 pm-11:36 pm
1 stop7h 11m
Killeen Fort Hood Regional
Tue 10/13
3:16 pm-7:29 pm
1 stop6h 13m
$509
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Thu 12/17
2:36 pm-11:32 pm
1 stop6h 56m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$630
PortlandKilleen
PDX Portland - GRK Killeen Fort Hood Regional
PDXGRK
Portland
Sat 2/27
10:45 am-8:48 pm
1 stop8h 03m
Killeen Fort Hood Regional
Wed 3/3
12:26 pm-8:50 pm
2 stops10h 24m
$698
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 September.
| 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 September 10, 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.
Food
6.4
Boarding
7.5
Overall
7.1
Entertainment
6.8
Comfort
7.2
Crew
7.9
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Food
6.4
Boarding
7.5
Overall
7.1
Entertainment
6.8
Comfort
7.2
Crew
7.9
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
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to Killeen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Killeen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Killeen by cabin class
Find flights from Portland to Killeen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Killeen flights
Browse other Portland and Killeen flight options. Last updated on September 10, 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 September 10, 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$478 | FlexibilityNo cancel fee | On-time71% |