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Lisbon

$978+ Cheap flights from Killeen (GRK) to Lisbon (LIS)

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — LIS
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Killeen to Lisbon

Cheapest flights from Killeen to Lisbon
Explore the most affordable flight options available from Killeen to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 6/23:07 pm
GRK
-
LIS
2 stops25h 53m
American Airlines
Thu 8/276:35 am
LIS
-
GRK
2 stops22h 47m
American Airlines
Deal found 2/10$978
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 6/23:07 pm
GRK
-
LIS
2 stops25h 53m
American Airlines
Fri 8/2811:05 am
LIS
-
GRK
2 stops42h 17m
American Airlines
Deal found 2/10$1,004
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 6/23:07 pm
GRK
-
LIS
2 stops25h 53m
American Airlines
Wed 9/27:20 am
LIS
-
GRK
2 stops18h 01m
American Airlines
Deal found 2/10$1,005
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 6/43:07 pm
GRK
-
LIS
2 stops25h 58m
American Airlines
Thu 8/278:25 am
LIS
-
GRK
2 stops20h 57m
American Airlines
Deal found 2/10$1,048
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 6/23:07 pm
GRK
-
LIS
2 stops25h 53m
American Airlines
Mon 8/3111:05 am
LIS
-
GRK
2 stops34h 56m
American Airlines
Deal found 2/10$1,065
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 6/43:07 pm
GRK
-
LIS
2 stops25h 58m
American Airlines
Tue 9/111:05 am
LIS
-
GRK
2 stops28h 53m
American Airlines
Deal found 2/10$1,074
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 6/43:07 pm
GRK
-
LIS
2 stops25h 58m
American Airlines
Wed 9/27:20 am
LIS
-
GRK
2 stops18h 01m
American Airlines
Deal found 2/10$1,075
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 6/23:07 pm
GRK
-
LIS
2 stops25h 53m
American Airlines
Sat 8/2911:05 am
LIS
-
GRK
2 stops18h 17m
American Airlines
Deal found 2/10$1,097
This American Airlines deal was found by Cheapflights users on 2/10. 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 6/612:54 pm
GRK
-
LIS
2 stops26h 41m
American Airlines
Wed 9/27:20 am
LIS
-
GRK
2 stops18h 01m
American Airlines
Deal found 2/10$1,129
This American Airlines deal was found by Cheapflights users on 2/10. 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 6/37:52 pm
GRK
-
LIS
2 stops43h 43m
American Airlines
Tue 9/111:00 am
LIS
-
GRK
2 stops38h 21m
American Airlines
Deal found 2/10$1,135
This American Airlines deal was found by Cheapflights users on 2/10. 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 6/66:44 am
GRK
-
LIS
2 stops20h 21m
American Airlines
Thu 8/2711:05 am
LIS
-
GRK
2 stops18h 17m
American Airlines
Deal found 2/10$1,178
This American Airlines deal was found by Cheapflights users on 2/10. 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 6/66:44 am
GRK
-
LIS
2 stops20h 21m
American Airlines
Fri 8/2811:05 am
LIS
-
GRK
2 stops42h 17m
American Airlines
Deal found 2/10$1,192

Find flight deals from Killeen to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Lisbon (LIS). 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$978
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Lisbon Humberto Delgado flights.
Search Deals
From Killeen Fort Hood Regional to Lisbon Humberto Delgado
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Lisbon 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 February 12, 2026.
Use the filters below to find and compare flights from Killeen to Lisbon that are best for you.

Fly from

Killeen

Fly to

Lisbon

Route

Depart

Return

Price

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Sun 6/7

10:04 am-11:05 pm

2 stops31h 01m

Lisbon Humberto Delgado

Tue 9/1

11:05 am-4:01 pm

2 stops34h 56m

$1,004

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Tue 6/2

3:07 pm-11:00 pm

2 stops25h 53m

Lisbon Humberto Delgado

Tue 9/1

11:05 am-4:01 pm

2 stops34h 56m

$1,004

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Tue 6/2

3:07 pm-11:00 pm

2 stops25h 53m

Lisbon Humberto Delgado

Fri 8/28

11:05 am-11:22 pm

2 stops42h 17m

$1,004

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 6/8

12:44 pm-11:10 pm

2 stops28h 26m

Lisbon Humberto Delgado

Tue 9/1

11:05 am-4:01 pm

2 stops34h 56m

$1,004

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 6/8

12:44 pm-11:10 pm

2 stops28h 26m

Lisbon Humberto Delgado

Fri 8/28

11:05 am-11:22 pm

2 stops42h 17m

$1,004

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Sun 6/7

3:07 pm-11:05 pm

2 stops25h 58m

Lisbon Humberto Delgado

Fri 8/28

11:05 am-11:22 pm

2 stops42h 17m

$1,004

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 6/8

12:44 pm-11:10 pm

2 stops28h 26m

Lisbon Humberto Delgado

Wed 9/2

7:20 am-11:22 pm

2 stops22h 02m

$1,005

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Fri 6/5

3:07 pm-3:35 pm

2 stops18h 28m

Lisbon Humberto Delgado

Thu 8/27

8:25 am-11:22 pm

2 stops20h 57m

$1,048

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 6/8

3:07 pm-11:10 pm

2 stops26h 03m

Lisbon Humberto Delgado

Mon 8/31

11:05 am-4:01 pm

2 stops34h 56m

$1,065

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Tue 6/2

3:07 pm-11:00 pm

2 stops25h 53m

Lisbon Humberto Delgado

Mon 8/31

11:05 am-4:01 pm

2 stops34h 56m

$1,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Killeen-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Lisbon 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-Lisbon 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 Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Killeen with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Killeen to Lisbon

What is the cheapest month to book a flight from Killeen to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Killeen to Lisbon (average of $417). Flying from Killeen to Lisbon in June is currently the most expensive (average of $898). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Killeen to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Killeen to Lisbon?

    For as low as $978, American Airlines can have you in Lisbon from Killeen in 25h 53m. Killeen and Lisbon are separated by a distance of 4848 mi.

  • Can I find deals for flights from Killeen to Lisbon that include hotel bookings?

    Yes. In addition to deals on Killeen to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Lisbon.

  • Can I find deals for business class flights from Killeen to Lisbon?

    Yes. Cheapflights offers flight deals from Killeen to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Killeen to Lisbon (average of $417). Flying from Killeen to Lisbon in June is currently the most expensive (average of $898). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

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