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Cheap flights from Killeen to Portugal from $789

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 Portugal departing on 1/23. 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
12:31 pm - 2:50 pm
GRK
-
LIS
20h 19m2 stops
American Airlines Logo
6:30 am - 10:43 pm
LIS
-
GRK
22h 13m2 stops
$789American Airlines
Fri, Jan 23 - Tue, Jan 27

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to Portugal 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 December 4, 2025.
Use the filters below to find and compare flights from Killeen to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KilleenLisbon

GRK - LIS

GRKLIS

Killeen Fort Hood Regional

Fri 1/23

12:31 pm-2:50 pm

2 stops20h 19m

Lisbon Humberto Delgado

Tue 1/27

6:30 am-10:43 pm

2 stops22h 13m

$789

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Killeen to Portugal

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 Portugal?

United Airlines, British Airways and Delta are the top three most popular airlines that fly to Portugal from Killeen according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Cheap Killeen to Portugal flight deals and tips

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

Fastest flight time

20h 19m

Direct flights

None
The fastest flight from Killeen to Portugal takes 20h 19m
There are no direct flights from Killeen to Portugal. There are no popular flight routes from Killeen to Portugal.
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  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Portugal?

    Prices for flights from Killeen Fort Hood Regional Airport to Portugal are updated daily.

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

    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 Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Killeen to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

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

Yes. momondo enables you to select and highlight flights to Portugal from Killeen with this policy.

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

momondo provides multiple filters to help you find the best flight to Portugal from Killeen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Killeen and alert you when they change.

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