$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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GRK
Jun 22 — Jun 291
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 May 23, 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 May 23, 2026.
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 7/75:07 am
PDX
- GRK
1 stop7h 31m
American Airlines
Thu 7/1612:54 pm
GRK
- PDX
1 stop7h 47m
American Airlines
Deal found 5/19![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Mon 7/612:45 am
PDX
- GRK
1 stop6h 51m
American Airlines
Wed 7/155:00 am
GRK
- PDX
2 stops9h 49m
American Airlines
Deal found 5/19![American Airlines logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Sat 8/2910:40 am
PDX
- GRK
1 stop8h 16m
Alaska Airlines
Wed 9/23:09 pm
GRK
- PDX
1 stop6h 44m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$587
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1112:40 am
PDX
- GRK
1 stop6h 54m
American Airlines
Tue 6/167:21 pm
GRK
- PDX
1 stop7h 29m
American Airlines
Deal found 5/22![American Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1011:59 am
PDX
- GRK
1 stop8h 45m
American Airlines
Sun 6/143:07 pm
GRK
- PDX
1 stop8h 32m
American Airlines
Deal found 5/22![American Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/101:34 pm
PDX
- GRK
1 stop7h 10m
American Airlines
Tue 6/163:07 pm
GRK
- PDX
2 stops9h 20m
American Airlines
Deal found 5/22![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1111:43 pm
PDX
- GRK
1 stop7h 51m
American Airlines
Sun 6/143:07 pm
GRK
- PDX
1 stop8h 32m
American Airlines
Deal found 5/22![American Airlines logo]()
$677
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1111:43 pm
PDX
- GRK
1 stop7h 51m
American Airlines
Tue 6/163:07 pm
GRK
- PDX
2 stops9h 20m
American Airlines
Deal found 5/22![American Airlines logo]()
$682
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 May 23, 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 May 23, 2026.
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 7/75:07 am
PDX
- GRK
1 stop7h 31m
American Airlines
Thu 7/1612:54 pm
GRK
- PDX
1 stop7h 47m
American Airlines
Deal found 5/19![American Airlines logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 8/2910:40 am
PDX
- GRK
1 stop6h 12m
Alaska Airlines
Wed 9/23:09 pm
GRK
- PDX
1 stop6h 44m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$587
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Mon 7/612:45 am
PDX
- GRK
1 stop6h 51m
American Airlines
Wed 7/157:56 pm
GRK
- PDX
1 stop6h 59m
American Airlines
Deal found 5/19![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 5/19. 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.
Wed 7/811:41 pm
PDX
- GRK
1 stop7h 55m
American Airlines
Wed 7/157:56 pm
GRK
- PDX
1 stop6h 59m
American Airlines
Deal found 5/19![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1111:43 pm
PDX
- GRK
1 stop7h 51m
American Airlines
Tue 6/163:07 pm
GRK
- PDX
2 stops9h 20m
American Airlines
Deal found 5/22![American Airlines logo]()
$682
Last-minute flights from Portland to KilleenDiscover last-minute flight deals from Portland to Killeen. Data last updated May 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Killeen. Data last updated May 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/22. 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 5/265:10 am
PDX
- GRK
1 stop7h 27m
American Airlines
Thu 5/286:44 am
GRK
- PDX
1 stop6h 25m
American Airlines
Deal found 5/22![American Airlines logo]()
$992
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:40 pm
PDX
- GRK
2 stops18h 57m
Alaska Airlines
Thu 5/283:07 pm
GRK
- PDX
2 stops20h 39m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$1,002
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1011:59 am
PDX
- GRK
1 stop8h 45m
American Airlines
Sun 6/143:07 pm
GRK
- PDX
1 stop8h 32m
American Airlines
Deal found 5/22![American Airlines logo]()
$665
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/101:34 pm
PDX
- GRK
1 stop7h 10m
American Airlines
Tue 6/163:07 pm
GRK
- PDX
2 stops9h 20m
American Airlines
Deal found 5/22![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1112:40 am
PDX
- GRK
1 stop6h 54m
American Airlines
Tue 6/167:21 pm
GRK
- PDX
1 stop7h 29m
American Airlines
Deal found 5/22![American Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1111:43 pm
PDX
- GRK
1 stop7h 51m
American Airlines
Sun 6/143:07 pm
GRK
- PDX
1 stop8h 32m
American Airlines
Deal found 5/22![American Airlines logo]()
$677
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/1111:43 pm
PDX
- GRK
1 stop7h 51m
American Airlines
Tue 6/163:07 pm
GRK
- PDX
2 stops9h 20m
American Airlines
Deal found 5/22![American Airlines logo]()
$682
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 6/1910:45 am
PDX
- GRK
1 stop6h 06m
Alaska Airlines
Mon 6/223:07 pm
GRK
- PDX
1 stop6h 42m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$1,031
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 May 23, 2026.
Search for one-way flight options from Portland to Killeen. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/910:30 am
PDX
- GRK
1 stop6h 21m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 6/810:30 am
PDX
- GRK
1 stop6h 21m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Tue 7/79:48 pm
PDX
- GRK
3 stops43h 06m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$915
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 6/1910:45 am
PDX
- GRK
1 stop6h 06m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$1,777
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 7/610:45 am
PDX
- GRK
1 stop6h 09m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$1,807
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 7/510:45 am
PDX
- GRK
1 stop6h 09m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$1,827
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 May 23, 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) |
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 May 23, 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
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Tue 7/7
5:07 am-2:38 pm
1 stop7h 31m
Killeen Fort Hood Regional
Thu 7/16
12:54 pm-6:41 pm
1 stop7h 47m
$477
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Mon 7/6
12:45 am-9:36 am
1 stop6h 51m
Killeen Fort Hood Regional
Wed 7/15
7:56 pm-12:55 am
1 stop6h 59m
$477
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Wed 7/8
11:41 pm-9:36 am
1 stop7h 55m
Killeen Fort Hood Regional
Wed 7/15
7:56 pm-12:55 am
1 stop6h 59m
$477
Quickest round-trip
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Sat 8/29
10:40 am-6:52 pm
1 stop6h 12m
Killeen Fort Hood Regional
Wed 9/2
3:09 pm-7:53 pm
1 stop6h 44m
$587
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Thu 6/11
11:43 pm-9:34 am
1 stop7h 51m
Killeen Fort Hood Regional
Tue 6/16
3:07 pm-10:27 pm
2 stops9h 20m
$682
Cheapest one-way
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Tue 6/9
10:30 am-6:51 pm
1 stop6h 21m
$453
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Mon 6/8
10:30 am-6:51 pm
1 stop6h 21m
$625
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Tue 7/7
9:48 pm-6:54 pm
3 stops43h 06m
$915
Quickest one-way
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Sun 6/21
10:45 am-6:51 pm
1 stop6h 06m
$1,777
PortlandKilleen
PDX - GRK
PDXGRK
Portland
Fri 6/19
10:45 am-6:51 pm
1 stop6h 06m
$1,777
Showing 1-10 of 11 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 May.
| 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 May 23, 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.
Boarding
7.5
Entertainment
6.9
Overall
7.1
Food
6.4
Crew
7.9
Comfort
7.2
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Boarding
7.5
Entertainment
6.9
Overall
7.1
Food
6.4
Crew
7.9
Comfort
7.2
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 May 23, 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 May 23, 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 May 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$476 | FlexibilityNo cancel fee | On-time71% |