In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from GRK to LIS?

When flying from Killeen to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$1,478+ Flights from Killeen to Lisbon

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Cheap flight deals from Killeen to Lisbon

Round-trip from	$1,478 (American Airlines)

From Killeen Fort Hood Regional to Lisbon Humberto Delgado

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Find 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 agosto 13, 2025.

sáb. 12/66:44 pmGRK - LIS

2 stops32h 11mAmerican Airlines

mié. 12/106:45 pmLIS - GRK

2 stops20h 25mAmerican Airlines

Deal found 8/10

$1,478

sáb. 12/66:44 pmGRK - LIS

2 stops32h 11mAmerican Airlines

mar. 12/911:10 amLIS - GRK

2 stops16h 25mAmerican Airlines

Deal found 8/12

$1,479

Best flights from Killeen to Lisbon
Discover carefully curated flight deals from Killeen to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 13, 2025.

sáb. 12/66:44 pmGRK - LIS

2 stops32h 11mAmerican Airlines

mié. 12/106:45 pmLIS - GRK

2 stops20h 25mAmerican Airlines

Deal found 8/10

$1,478

sáb. 12/66:44 pmGRK - LIS

2 stops32h 11mAmerican Airlines

mar. 12/911:10 amLIS - GRK

2 stops16h 25mAmerican Airlines

Deal found 8/12

$1,479

Fly from

Fly to

Route

Depart

Return

Price

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

sáb. 12/6

6:44 pm-8:55 am

2 stops32h 11m

Lisbon Humberto Delgado

mié. 12/10

6:45 pm-9:10 am

2 stops20h 25m

$1,478

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

sáb. 12/6

6:44 pm-8:55 am

2 stops32h 11m

Lisbon Humberto Delgado

mar. 12/9

11:10 am-9:35 pm

2 stops16h 25m

$1,479

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

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 $612). Flying from Killeen to Lisbon in June is currently the most expensive (average of $1,128). 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

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 $612). Flying from Killeen to Lisbon in June is currently the most expensive (average of $1,128). 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.

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$1,478+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Killeen to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Killeen to Lisbon

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Find flight deals from Killeen to Lisbon

Cheapest flights from Killeen to LisbonExplore 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 agosto 13, 2025.

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 agosto 13, 2025.

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Use the filters below to find and compare flights from Killeen to Lisbon that are best for you.

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.

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?

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.

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

How can I find direct flights from Killeen to Lisbon?

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

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

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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 agosto 13, 2025.