$457+ Cheap flights from Killeen to Seattle (GRK - SEA)
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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to Seattle 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
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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 Killeen to Seattle
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Cheapest flights from Killeen to SeattleExplore the most affordable flight options available from Killeen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Killeen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/219:59 am
GRK
- SEA
1 stop8h 42m
American Airlines
Sun 8/2312:40 am
SEA
- GRK
1 stop6h 49m
American Airlines
Deal found 6/30![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 am
GRK
- SEA
1 stop6h 25m
American Airlines
Sat 8/2211:16 pm
SEA
- GRK
1 stop8h 13m
American Airlines
Deal found 6/29![American Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:37 pm
GRK
- SEA
1 stop8h 10m
American Airlines
Mon 8/1011:16 pm
SEA
- GRK
1 stop8h 13m
American Airlines
Deal found 6/29![American Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/1710:06 am
GRK
- SEA
1 stop8h 41m
American Airlines
Mon 7/2012:44 am
SEA
- GRK
1 stop6h 52m
American Airlines
Deal found 6/30![American Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/153:08 pm
GRK
- SEA
1 stop9h 18m
American Airlines
Sun 7/1911:22 pm
SEA
- GRK
1 stop8h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$632
This American Airlines deal was found by Cheapflights users on 6/28. 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 8/2212:37 pm
GRK
- SEA
2 stops9h 33m
American Airlines
Sat 8/2911:16 pm
SEA
- GRK
1 stop8h 13m
American Airlines
Deal found 6/28![American Airlines logo]()
$662
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/1012:42 pm
GRK
- SEA
1 stop8h 29m
American Airlines
Mon 7/131:57 pm
SEA
- GRK
1 stop6h 30m
American Airlines
Deal found 6/30![American Airlines logo]()
$695
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 9/1110:04 am
GRK
- SEA
2 stops9h 30m
American Airlines
Sun 9/1311:59 pm
SEA
- GRK
1 stop7h 19m
American Airlines
Deal found 6/27![American Airlines logo]()
$739
This American Airlines deal was found by Cheapflights users on 6/28. 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 8/87:00 am
GRK
- SEA
2 stops9h 28m
American Airlines
Sun 8/911:11 pm
SEA
- GRK
1 stop8h 18m
American Airlines
Deal found 6/28![American Airlines logo]()
$781
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Sat 9/125:00 am
GRK
- SEA
2 stops9h 25m
American Airlines
Mon 9/147:10 am
SEA
- GRK
2 stops9h 35m
American Airlines
Deal found 6/27![American Airlines logo]()
$844
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/147:24 pm
GRK
- SEA
1 stop7h 33m
American Airlines
Fri 7/1710:22 am
SEA
- GRK
1 stop6h 32m
American Airlines
Deal found 6/30![American Airlines logo]()
$905
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 8/299:59 am
GRK
- SEA
1 stop7h 26m
Alaska Airlines
Wed 9/28:40 am
SEA
- GRK
1 stop8h 12m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$931
Best flights from Killeen to SeattleDiscover carefully curated flight deals from Killeen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Killeen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This American Airlines deal was found by Cheapflights users on 6/28. 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 9/103:09 pm
GRK
- SEA
1 stop6h 39m
American Airlines
Sun 9/1311:59 pm
SEA
- GRK
1 stop7h 19m
American Airlines
Deal found 6/28![American Airlines logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 8/299:59 am
GRK
- SEA
1 stop7h 26m
Alaska Airlines
Wed 9/28:40 am
SEA
- GRK
1 stop8h 12m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$931
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 am
GRK
- SEA
1 stop6h 25m
American Airlines
Sat 8/2211:16 pm
SEA
- GRK
1 stop8h 13m
American Airlines
Deal found 6/29![American Airlines logo]()
$535
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 9/115:00 am
GRK
- SEA
1 stop8h 12m
American Airlines
Sun 9/1311:59 pm
SEA
- GRK
1 stop7h 19m
American Airlines
Deal found 6/27![American Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:37 pm
GRK
- SEA
1 stop8h 10m
American Airlines
Mon 8/1011:16 pm
SEA
- GRK
1 stop8h 13m
American Airlines
Deal found 6/29![American Airlines logo]()
$576
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/299:59 am
GRK
- SEA
1 stop7h 26m
Alaska Airlines
Wed 9/162:18 pm
SEA
- GRK
2 stops22h 16m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$936
Last-minute flights from Killeen to SeattleDiscover last-minute flight deals from Killeen to Seattle. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Seattle. Data last updated July 1, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
GRK
- SEA
1 stop6h 50m
Alaska Airlines
Tue 7/1411:03 pm
SEA
- GRK
1 stop8h 33m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$931
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/1012:42 pm
GRK
- SEA
1 stop8h 29m
American Airlines
Mon 7/131:57 pm
SEA
- GRK
1 stop6h 30m
American Airlines
Deal found 6/30![American Airlines logo]()
$695
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:08 pm
GRK
- SEA
1 stop7h 16m
Alaska Airlines
Mon 7/136:21 am
SEA
- GRK
2 stops10h 33m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$990
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/147:24 pm
GRK
- SEA
1 stop7h 33m
American Airlines
Fri 7/1710:22 am
SEA
- GRK
1 stop6h 32m
American Airlines
Deal found 6/30![American Airlines logo]()
$905
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/153:08 pm
GRK
- SEA
1 stop9h 18m
American Airlines
Sun 7/1911:22 pm
SEA
- GRK
1 stop8h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$632
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 7/156:30 am
GRK
- SEA
1 stop6h 50m
Alaska Airlines
Sun 7/1911:03 pm
SEA
- GRK
1 stop8h 33m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$996
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/1710:06 am
GRK
- SEA
1 stop8h 41m
American Airlines
Mon 7/2012:44 am
SEA
- GRK
1 stop6h 52m
American Airlines
Deal found 6/30![American Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/1712:42 pm
GRK
- SEA
1 stop8h 29m
American Airlines
Fri 7/1711:22 pm
SEA
- GRK
1 stop8h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$977
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 7/173:08 pm
GRK
- SEA
2 stops20h 11m
Alaska Airlines
Tue 7/2111:03 pm
SEA
- GRK
1 stop8h 33m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$981
One-way flights from Killeen to SeattleSearch for one-way flight options from Killeen to Seattle. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Killeen to Seattle. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 7/93:08 pm
GRK
- SEA
1 stop7h 16m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$571
Find flight deals from Killeen to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Seattle (SEA). 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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $457 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to Seattle 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 July 1, 2026.
Use the filters below to find and compare flights from Killeen to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Thu 9/10
3:09 pm-7:48 pm
1 stop6h 39m
Seattle/Tacoma Intl
Sun 9/13
11:59 pm-9:18 am
1 stop7h 19m
$457
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Mon 8/17
5:00 am-9:25 am
1 stop6h 25m
Seattle/Tacoma Intl
Sat 8/22
11:16 pm-9:29 am
1 stop8h 13m
$535
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Fri 9/11
5:00 am-11:12 am
1 stop8h 12m
Seattle/Tacoma Intl
Sun 9/13
11:59 pm-9:18 am
1 stop7h 19m
$576
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Fri 8/7
12:37 pm-6:47 pm
1 stop8h 10m
Seattle/Tacoma Intl
Mon 8/10
11:16 pm-9:29 am
1 stop8h 13m
$576
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Sat 8/29
9:59 am-3:25 pm
1 stop7h 26m
Seattle/Tacoma Intl
Wed 9/2
8:40 am-6:52 pm
1 stop8h 12m
$931
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Sat 8/29
9:59 am-3:25 pm
1 stop7h 26m
Seattle/Tacoma Intl
Wed 9/16
2:18 pm-2:34 pm
2 stops22h 16m
$936
Cheapest one-way
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Fri 7/10
10:06 am-3:23 pm
1 stop7h 17m
$571
Quickest one-way
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Thu 7/9
3:08 pm-8:24 pm
1 stop7h 16m
$571
Sorted by cheapest first
Compare providers for flights from Killeen to Seattle
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 Killeen to Seattle in July.
| 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 Killeen-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Killeen-Seattle 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 Killeen-Seattle 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 Killeen to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Killeen with our price prediction graph.
GRK-SEA
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 Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated July 1, 2026.
Read through reviews of airlines operating flights from Killeen to Seattle, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Overall
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Overall
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Related info for your journey
Find useful and relevant information for your journey from Killeen to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia
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Killeen and Seattle flights
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Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Top airline flying from Killeen to Seattle
Discover the top airline that operate flights from Killeen to Seattle. 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$466 | Average$732 | FlexibilityNo cancel fee | On-time71% |