$305 Cheap Flights from Killeen (GRK) to Portland (PDX)

View $305 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Portland International Airport (PDX)

Cheap Flights from Killeen to Portland (GRK-PDX)

Prices were available within the past 7 days and start at $305 for one-way flights and $323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Oct 17 - Sat, Nov 1
GRK
Killeen
PDX
Portland
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct 17 from Killeen to Portland, returning Sat, Nov 1, priced at $323 found 4 days ago
American Airlines
Sat, Sep 27 - Mon, Oct 6
GRK
Killeen
PDX
Portland
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 27 from Killeen to Portland, returning Mon, Oct 6, priced at $328 found 4 days ago
American Airlines
Tue, Sep 23 - Sat, Oct 4
GRK
Killeen
PDX
Portland
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 23 from Killeen to Portland, returning Sat, Oct 4, priced at $331 found 4 days ago
American Airlines
Tue, Sep 23 - Mon, Oct 6
GRK
Killeen
PDX
Portland
$336 Roundtrip, found 4 days ago
$336
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 23 from Killeen to Portland, returning Mon, Oct 6, priced at $336 found 4 days ago
Alaska Airlines
Sat, Sep 27 - Wed, Oct 1
GRK
Killeen
PDX
Portland
$341 Roundtrip, found 6 days ago
$341
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Killeen to Portland, returning Wed, Oct 1, priced at $341 found 6 days ago
American Airlines
Sat, Sep 27 - Wed, Oct 1
GRK
Killeen
PDX
Portland
$346 Roundtrip, found 4 days ago
$346
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 27 from Killeen to Portland, returning Wed, Oct 1, priced at $346 found 4 days ago
Alaska Airlines
Fri, Oct 3 - Tue, Oct 7
GRK
Killeen
PDX
Portland
$349 Roundtrip, found 5 hours ago
$349
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Fri, Oct 3 from Killeen to Portland, returning Tue, Oct 7, priced at $349 found 5 hours ago
American Airlines
Tue, Sep 23 - Wed, Oct 1
GRK
Killeen
PDX
Portland
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 23 from Killeen to Portland, returning Wed, Oct 1, priced at $354 found 4 days ago
American Airlines
Wed, Sep 24 - Sat, Sep 27
GRK
Killeen
PDX
Portland
$357 Roundtrip, found 10 hours ago
$357
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Killeen to Portland, returning Sat, Sep 27, priced at $357 found 10 hours ago
Alaska Airlines
Tue, Oct 7 - Sat, Oct 11
GRK
Killeen
PDX
Portland
$422 Roundtrip, found 6 days ago
$422
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Oct 7 from Killeen to Portland, returning Sat, Oct 11, priced at $422 found 6 days ago

Frequently asked questions

How much does a flight from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX) cost?
Grab a cheap one-way flight from $305 or cheap return flight from $323 from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between GRK and PDX. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX)?
You can't catch a nonstop flight to Portland Intl. Airport (PDX) from Killeen, TX (GRK-Killeen-Fort Hood Regional). However, you can arrive in Portland without any layovers by departing from Austin-Bergstrom Intl. Airport (AUS).
What is the cheapest airline that flies from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from GRK to PDX. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX)?
You'll need to take a flight with a layover if you're traveling from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from GRK to PDX?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX)?
To arrive at Portland Intl. Airport (PDX) on time, book a flight that leaves from Killeen-Fort Hood Regional Airport (GRK) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX) last-minute?
Last-minute fares from GRK to PDX are usually more expensive. To secure the best rates, start looking for flights as early as possible. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book a GRK to PDX flight and hotel package?
Compared with arranging flights and hotels separately, booking a GRK to PDX flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to Portland Intl. Airport (PDX)?
If you booked your GRK to PDX flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Killeen-Fort Hood Regional
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$322
Distance
1664 mi

Book with confidence

Book with confidence

Killeen to Portland Flights

The cheapest times to fly from Killeen to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Killeen to Portland are during the month of October. You can find some of the cheapest flights from Killeen to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Killeen to Portland

Sunday is one of the best days to book for cheap flights from Killeen to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Killeen to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Killeen to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $305 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Killeen to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Killeen to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Killeen to Portland Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.