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Cheap flights from Killeen to Lisbon from $4,400

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to Lisbon departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:54 pm - 9:35 pm
GRK
-
LIS
23h 41m
2 stops
American Airlines Logo
8:55 am - 10:45 pm
LIS
-
GRK
19h 50m
2 stops
$4,400American Airlines
Tue, May 19 - Wed, Jun 10
American Airlines Logo
7:00 am - 9:05 am
GRK
-
LIS
20h 05m
2 stops
American Airlines Logo
11:05 am - 10:45 pm
LIS
-
GRK
17h 40m
2 stops
$4,401American Airlines
Tue, May 26 - Wed, Jun 17
American Airlines Logo
7:24 pm - 8:05 pm
GRK
-
LIS
18h 41m
2 stops
American Airlines Logo
8:25 am - 10:45 pm
LIS
-
GRK
20h 20m
2 stops
$4,408American Airlines
Wed, May 27 - Thu, Jun 18
American Airlines Logo
3:06 pm - 3:35 pm
GRK
-
LIS
18h 29m
2 stops
American Airlines Logo
6:35 am - 10:45 pm
LIS
-
GRK
22h 10m
2 stops
$4,414American Airlines
Tue, Jun 9 - Wed, Jul 1
American Airlines Logo
7:24 pm - 3:35 pm
GRK
-
LIS
38h 11m
2 stops
American Airlines Logo
6:35 am - 10:45 pm
LIS
-
GRK
22h 10m
2 stops
$4,421American Airlines
Mon, Jun 8 - Wed, Jul 1
American Airlines Logo
7:24 pm - 9:05 am
GRK
-
LIS
31h 41m
2 stops
American Airlines Logo
11:05 am - 10:45 pm
LIS
-
GRK
17h 40m
2 stops
$4,435American Airlines
Mon, May 25 - Wed, Jun 17
American Airlines Logo
5:00 am - 11:50 am
GRK
-
LIS
24h 50m
2 stops
American Airlines Logo
7:20 am - 12:20 pm
LIS
-
GRK
35h 00m
2 stops
$4,459American Airlines
Wed, May 20 - Thu, Jun 11
American Airlines Logo
7:09 pm - 11:15 pm
GRK
-
LIS
22h 06m
2 stops
American Airlines Logo
7:20 am - 2:36 pm
LIS
-
GRK
37h 16m
2 stops
$4,465American Airlines
Wed, May 13 - Thu, Jun 4
American Airlines Logo
7:24 pm - 9:05 am
GRK
-
LIS
31h 41m
2 stops
American Airlines Logo
11:05 am - 10:45 pm
LIS
-
GRK
17h 40m
2 stops
$4,651American Airlines
Sun, May 31 - Tue, Jun 23
American Airlines Logo
12:50 pm - 9:35 pm
GRK
-
LIS
26h 45m
2 stops
American Airlines Logo
11:05 am - 10:45 pm
LIS
-
GRK
17h 40m
2 stops
$4,656American Airlines
Mon, Jun 1 - Tue, Jun 23

American Airlines flights from Killeen to Lisbon

Our best American Airlines deals on Killeen to Lisbon flight tickets
American Airlines
May 19
GRK3:54 pmKilleen Fort Hood Regional
23h 41m
2 stops
LIS9:35 pmLisbon Humberto Delgado
Jun 10
LIS8:55 amLisbon Humberto Delgado
19h 50m
2 stops
GRK10:45 pmKilleen Fort Hood Regional
$4,400
American Airlines
May 26
GRK7:00 amKilleen Fort Hood Regional
20h 05m
2 stops
LIS9:05 amLisbon Humberto Delgado
Jun 17
LIS11:05 amLisbon Humberto Delgado
17h 40m
2 stops
GRK10:45 pmKilleen Fort Hood Regional
$4,401
American Airlines
May 27
GRK7:24 pmKilleen Fort Hood Regional
18h 41m
2 stops
LIS8:05 pmLisbon Humberto Delgado
Jun 18
LIS8:25 amLisbon Humberto Delgado
20h 20m
2 stops
GRK10:45 pmKilleen Fort Hood Regional
$4,408

momondo 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, momondo users made 832,500 searches. Data last updated January 24, 2026.
Use the filters below to find and compare flights from Killeen to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Tue 5/19

3:54 pm-9:35 pm

2 stops23h 41m

Lisbon Humberto Delgado

Wed 6/10

8:55 am-10:45 pm

2 stops19h 50m

$4,400

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Tue 5/26

7:00 am-9:05 am

2 stops20h 05m

Lisbon Humberto Delgado

Wed 6/17

11:05 am-10:45 pm

2 stops17h 40m

$4,401

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Wed 5/27

7:24 pm-8:05 pm

2 stops18h 41m

Lisbon Humberto Delgado

Thu 6/18

8:25 am-10:45 pm

2 stops20h 20m

$4,408

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Tue 6/9

3:06 pm-3:35 pm

2 stops18h 29m

Lisbon Humberto Delgado

Wed 7/1

6:35 am-10:45 pm

2 stops22h 10m

$4,414

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 6/8

7:24 pm-3:35 pm

2 stops38h 11m

Lisbon Humberto Delgado

Wed 7/1

6:35 am-10:45 pm

2 stops22h 10m

$4,421

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 5/25

7:24 pm-9:05 am

2 stops31h 41m

Lisbon Humberto Delgado

Wed 6/17

11:05 am-10:45 pm

2 stops17h 40m

$4,435

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Wed 5/20

5:00 am-11:50 am

2 stops24h 50m

Lisbon Humberto Delgado

Thu 6/11

7:20 am-12:20 pm

2 stops35h 00m

$4,459

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Wed 5/13

7:09 pm-11:15 pm

2 stops22h 06m

Lisbon Humberto Delgado

Thu 6/4

7:20 am-2:36 pm

2 stops37h 16m

$4,465

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Sun 5/31

7:24 pm-9:05 am

2 stops31h 41m

Lisbon Humberto Delgado

Tue 6/23

11:05 am-10:45 pm

2 stops17h 40m

$4,651

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Mon 6/1

12:50 pm-9:35 pm

2 stops26h 45m

Lisbon Humberto Delgado

Tue 6/23

11:05 am-10:45 pm

2 stops17h 40m

$4,656

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lisbon from

How to get the cheapest flight ticket from Killeen to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Lisbon?

United Airlines, British Airways and Delta are the top three most popular airlines that fly to Lisbon from Killeen according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 9 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

When to book flights from Killeen to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Killeen to Lisbon (GRK to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Lisbon

Fastest flight time

26h 45m

Direct flights

None
The fastest flight from Killeen to Lisbon takes 26h 45m
There are no direct flights from Killeen to Lisbon. There are no popular flight routes from Killeen to Lisbon.
Search flight deals

  • How far is Killeen Fort Hood Regional to Lisbon Humberto Delgado by plane?

    Lisbon Humberto Delgado is 4843.1 mi away from Killeen Fort Hood Regional. 26h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Killeen Fort Hood Regional Airport to Lisbon Humberto Delgado Airport were last updated today.

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Leiria
Oeiras
Sesimbra
Evora
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Comporta
Torres Vedras
Sines
Almada

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to Lisbon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Killeen.

Can I find flights from Killeen to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from Killeen which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Killeen to Lisbon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Killeen.

I’m not ready to book a flight from Killeen to Lisbon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Killeen to Lisbon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lisbon and let you know when they change.

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