Cheap Flights from Killeen (GRK) to Washington (IAD)

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Washington Dulles Intl. Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Killeen to Washington (GRK-IAD)

Prices were available within the past 7 days and start at for one-way flights and $509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 1 - Wed, Oct 22
GRK
Killeen
IAD
Washington
$509 Roundtrip, found 5 days ago
$509
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct 1 from Killeen to Washington, returning Wed, Oct 22, priced at $509 found 5 days ago
American Airlines
Wed, Nov 5 - Tue, Nov 25
GRK
Killeen
IAD
Washington
$514 Roundtrip, found 5 days ago
$514
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 5 from Killeen to Washington, returning Tue, Nov 25, priced at $514 found 5 days ago
American Airlines
Tue, Sep 30 - Wed, Oct 8
GRK
Killeen
IAD
Washington
$519 Roundtrip, found 5 days ago
$519
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 30 from Killeen to Washington, returning Wed, Oct 8, priced at $519 found 5 days ago
American Airlines
Sat, Oct 4 - Wed, Oct 22
GRK
Killeen
IAD
Washington
$528 Roundtrip, found 5 days ago
$528
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 4 from Killeen to Washington, returning Wed, Oct 22, priced at $528 found 5 days ago
American Airlines
Sat, Nov 8 - Tue, Nov 25
GRK
Killeen
IAD
Washington
$533 Roundtrip, found 5 days ago
$533
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Nov 8 from Killeen to Washington, returning Tue, Nov 25, priced at $533 found 5 days ago
American Airlines
Tue, Sep 30 - Tue, Oct 14
GRK
Killeen
IAD
Washington
$539 Roundtrip, found 5 days ago
$539
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 30 from Killeen to Washington, returning Tue, Oct 14, priced at $539 found 5 days ago
American Airlines
Fri, Nov 7 - Tue, Nov 25
GRK
Killeen
IAD
Washington
$544 Roundtrip, found 5 days ago
$544
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Nov 7 from Killeen to Washington, returning Tue, Nov 25, priced at $544 found 5 days ago
American Airlines
Sat, Nov 22 - Sat, Dec 6
GRK
Killeen
IAD
Washington
$547 Roundtrip, found 5 days ago
$547
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Nov 22 from Killeen to Washington, returning Sat, Dec 6, priced at $547 found 5 days ago
American Airlines
Sun, Sep 7 - Tue, Sep 16
GRK
Killeen
IAD
Washington
$551 Roundtrip, found 2 days ago
$551
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 7 from Killeen to Washington, returning Tue, Sep 16, priced at $551 found 2 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 18
GRK
Killeen
IAD
Washington
$552 Roundtrip, found 5 days ago
$552
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 4 from Killeen to Washington, returning Sat, Oct 18, priced at $552 found 5 days ago
American Airlines
Tue, Nov 25 - Sun, Dec 7
GRK
Killeen
IAD
Washington
$556 Roundtrip, found 5 days ago
$556
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 25 from Killeen to Washington, returning Sun, Dec 7, priced at $556 found 5 days ago
American Airlines
Sat, Oct 4 - Sun, Oct 19
GRK
Killeen
IAD
Washington
$558 Roundtrip, found 5 days ago
$558
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 4 from Killeen to Washington, returning Sun, Oct 19, priced at $558 found 5 days ago
American Airlines
Sat, Oct 4 - Tue, Oct 14
GRK
Killeen
IAD
Washington
$558 Roundtrip, found 5 days ago
$558
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 4 from Killeen to Washington, returning Tue, Oct 14, priced at $558 found 5 days ago
American Airlines
Sun, Nov 9 - Tue, Nov 25
GRK
Killeen
IAD
Washington
$562 Roundtrip, found 5 days ago
$562
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 9 from Killeen to Washington, returning Tue, Nov 25, priced at $562 found 5 days ago
American Airlines
Mon, Oct 6 - Sat, Oct 18
GRK
Killeen
IAD
Washington
$563 Roundtrip, found 5 days ago
$563
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 6 from Killeen to Washington, returning Sat, Oct 18, priced at $563 found 5 days ago
American Airlines
Mon, Oct 6 - Sun, Oct 19
GRK
Killeen
IAD
Washington
$569 Roundtrip, found 5 days ago
$569
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 6 from Killeen to Washington, returning Sun, Oct 19, priced at $569 found 5 days ago
American Airlines
Mon, Oct 6 - Tue, Oct 14
GRK
Killeen
IAD
Washington
$569 Roundtrip, found 5 days ago
$569
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 6 from Killeen to Washington, returning Tue, Oct 14, priced at $569 found 5 days ago
American Airlines
Sun, Oct 26 - Fri, Nov 14
GRK
Killeen
IAD
Washington
$574 Roundtrip, found 5 days ago
$574
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Oct 26 from Killeen to Washington, returning Fri, Nov 14, priced at $574 found 5 days ago
American Airlines
Thu, Sep 11 - Sat, Sep 13
GRK
Killeen
IAD
Washington
$576 Roundtrip, found 2 days ago
$576
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 11 from Killeen to Washington, returning Sat, Sep 13, priced at $576 found 2 days ago
American Airlines
Mon, Nov 24 - Sun, Dec 7
GRK
Killeen
IAD
Washington
$581 Roundtrip, found 5 days ago
$581
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Nov 24 from Killeen to Washington, returning Sun, Dec 7, priced at $581 found 5 days ago
Flights from Killeen (GRK) to Washington (IAD)
Origin airport
Killeen-Fort Hood Regional
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines
Roundtrip price
$508
Distance
1271 mi

Killeen to Washington Flights

The cheapest times to fly from Killeen to Washington

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 Washington are during the month of October. You can find some of the cheapest flights from Killeen to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Killeen to Washington

Sunday is one of the best days to book for cheap flights from Killeen to Washington: 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 Washington

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 Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Washington 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 Washington 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.

 

Frequently asked questions

How much does a flight from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight or cheap return flight from $509 from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD)?
October is the least expensive month to fly from GRK to IAD. Traveling outside of peak seasons is often the key to finding better fares.
Which airlines fly direct from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD)?
You can't catch a direct flight from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Washington Dulles Intl. Airport (IAD). However, you can easily journey to Washington 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 Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from GRK to IAD, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD)?
There are no daily direct flights departing from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from GRK to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often 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 Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) on schedule, choose a flight that takes off from Killeen-Fort Hood Regional Airport (GRK) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from GRK to IAD just before your getaway is typically more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a GRK to IAD flight and hotel package?
Booking a GRK to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can cancel or modify your GRK to IAD flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.