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Cheap flights from Houston to Lisbon from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Lisbon departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:09 pm - 8:10 am
IAH
-
LIS
14h 01m1 stop
Multiple Airlines Logo
8:20 am - 6:15 pm
LIS
-
IAH
15h 55m1 stop
$498Multiple Airlines
Sat, Jan 24 - Mon, Feb 9
Lufthansa Logo
4:30 pm - 2:30 pm
IAH
-
LIS
16h 00m1 stop
Lufthansa Logo
8:20 am - 6:15 pm
LIS
-
IAH
15h 55m1 stop
$506Lufthansa
Tue, Feb 10 - Tue, Feb 17
Air Canada Logo
12:10 pm - 8:55 am
IAH
-
LIS
14h 45m1 stop
Air Canada Logo
5:00 am - 11:09 am
LIS
-
IAH
36h 09m2 stops
$512Air Canada
Sat, Jan 24 - Mon, Feb 9
Multiple Airlines Logo
12:10 pm - 8:55 am
IAH
-
LIS
14h 45m1 stop
Multiple Airlines Logo
5:00 am - 9:44 pm
LIS
-
IAH
22h 44m2 stops
$516Multiple Airlines
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
11:58 am - 8:10 am
IAH
-
LIS
14h 12m1 stop
Multiple Airlines Logo
6:30 pm - 2:10 pm
LIS
-
IAH
25h 40m1 stop
$518Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Air Canada Logo
5:25 pm - 9:20 am
IAH
-
LIS
33h 55m2 stops
Air Canada Logo
11:20 am - 4:24 pm
LIS
-
IAH
35h 04m2 stops
$526Air Canada
Sat, Jan 24 - Mon, Feb 9
United Airlines Logo
1:35 pm - 8:10 am
IAH
-
LIS
12h 35m1 stop
United Airlines Logo
5:00 am - 6:15 pm
LIS
-
IAH
19h 15m1 stop
$529United Airlines
Thu, Jan 29 - Tue, Feb 3
Delta Logo
11:09 am - 3:10 pm
HOU
-
LIS
22h 01m2 stops
Delta Logo
5:00 am - 10:33 pm
LIS
-
HOU
23h 33m2 stops
$550Delta
Tue, Feb 3 - Sun, Feb 8
Delta Logo
11:09 am - 11:20 am
HOU
-
LIS
18h 11m2 stops
Delta Logo
5:30 am - 10:33 pm
LIS
-
HOU
23h 03m2 stops
$556Delta
Sat, Jan 24 - Mon, Feb 9
British Airways Logo
6:31 pm - 11:10 pm
HOU
-
LIS
22h 39m2 stops
British Airways Logo
7:20 am - 9:51 pm
LIS
-
HOU
20h 31m2 stops
$557British Airways
Fri, May 1 - Sun, May 10

Delta flights from Houston to Lisbon

Our best Delta deals on Houston to Lisbon flight tickets
Delta
Feb 10
IAH4:05 pmHouston George Bush Intcntl
19h 25m
1 stop
LIS5:30 pmLisbon Humberto Delgado
Feb 20
LIS11:25 amLisbon Humberto Delgado
32h 05m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$536
Find similar
Delta
Apr 14
IAH8:05 amHouston George Bush Intcntl
21h 10m
2 stops
LIS11:15 amLisbon Humberto Delgado
Apr 21
LIS5:00 amLisbon Humberto Delgado
14h 15m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$539
Find similar
Delta
Feb 10
IAH10:25 amHouston George Bush Intcntl
18h 55m
2 stops
LIS11:20 amLisbon Humberto Delgado
Feb 20
LIS11:25 amLisbon Humberto Delgado
32h 05m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$540
Find similar

KLM flights from Houston to Lisbon

Our best KLM deals on Houston to Lisbon flight tickets
KLM
Feb 11
HOU11:09 amHouston Hobby
14h 51m
2 stops
LIS8:00 amLisbon Humberto Delgado
Feb 19
LIS5:00 amLisbon Humberto Delgado
17h 28m
2 stops
HOU4:28 pmHouston Hobby
$854
Find similar
KLM
Feb 11
HOU11:09 amHouston Hobby
14h 51m
2 stops
LIS8:00 amLisbon Humberto Delgado
Feb 17
LIS5:00 amLisbon Humberto Delgado
17h 28m
2 stops
HOU4:28 pmHouston Hobby
$1,014
Find similar
KLM
Feb 11
HOU11:09 amHouston Hobby
14h 51m
2 stops
LIS8:00 amLisbon Humberto Delgado
Feb 17
LIS5:00 amLisbon Humberto Delgado
17h 28m
2 stops
HOU4:28 pmHouston Hobby
$1,157
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 December 28, 2025.
Use the filters below to find and compare flights from Houston to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 1/24

12:09 pm-8:10 am

1 stop14h 01m

Lisbon Humberto Delgado

Mon 2/9

8:20 am-6:15 pm

1 stop15h 55m

$498

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 2/10

4:30 pm-2:30 pm

1 stop16h 00m

Lisbon Humberto Delgado

Tue 2/17

8:20 am-6:15 pm

1 stop15h 55m

$506

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 1/24

12:10 pm-8:55 am

1 stop14h 45m

Lisbon Humberto Delgado

Mon 2/9

5:00 am-11:09 am

2 stops36h 09m

$512

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/7

12:10 pm-8:55 am

1 stop14h 45m

Lisbon Humberto Delgado

Sat 2/14

5:00 am-9:44 pm

2 stops22h 44m

$516

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 2/8

11:58 am-8:10 am

1 stop14h 12m

Lisbon Humberto Delgado

Sun 2/15

6:30 pm-2:10 pm

1 stop25h 40m

$518

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 1/24

5:25 pm-9:20 am

2 stops33h 55m

Lisbon Humberto Delgado

Mon 2/9

11:20 am-4:24 pm

2 stops35h 04m

$526

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 1/29

1:35 pm-8:10 am

1 stop12h 35m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-6:15 pm

1 stop19h 15m

$529

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 2/3

11:09 am-3:10 pm

2 stops22h 01m

Lisbon Humberto Delgado

Sun 2/8

5:00 am-10:33 pm

2 stops23h 33m

$550

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sat 1/24

11:09 am-11:20 am

2 stops18h 11m

Lisbon Humberto Delgado

Mon 2/9

5:30 am-10:33 pm

2 stops23h 03m

$556

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Fri 5/1

6:31 pm-11:10 pm

2 stops22h 39m

Lisbon Humberto Delgado

Sun 5/10

7:20 am-9:51 pm

2 stops20h 31m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

How to get the cheapest flight ticket from Houston 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 is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Houston to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $617. If you are unable to visit Lisbon during the month of February, then departing from Houston during the month March is also very affordable. Most momondo users find prices during this month for around $668.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $913. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,116 on average. Flights to Lisbon from Houston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $854 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Houston for as low as $720 on momondo.

Cheap Houston to Lisbon flight deals and tips

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

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from Houston to Lisbon takes 11h 40m
There are no direct flights from Houston to Lisbon. There are no popular flight routes from Houston to Lisbon.
Search flight deals

  • How far is Houston to Lisbon Humberto Delgado by plane?

    A flight from Houston to Lisbon Humberto Delgado will travel around 4778.5 mi. 11h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Houston to Lisbon Humberto Delgado Airport?

    Prices for flights from Houston to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Houston to Lisbon Humberto Delgado Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston 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.

Best airlines flying from Houston to Lisbon

Compare and see reviews for airlines that fly from Houston to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $540Free CancellationRating
7.4
1,515 reviews
Search Air France flights
DeltaPriceFrom $546Free CancellationRating
7.9
8,019 reviews
Search Delta flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights
British AirwaysPriceFrom $588Free CancellationRating
6.7
7,616 reviews
Search British Airways flights
Air CanadaPriceFrom $597Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $621Free CancellationRating
7.3
4,126 reviews
Search Turkish Airlines flights
KLMPriceFrom $656Free CancellationRating
7.7
1,435 reviews
Search KLM flights
American AirlinesPriceFrom $699Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights

Traveling to a place near Lisbon?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Lisbon for you.

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

Yes. All flights to Lisbon from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

If you are not ready to book a flight from Houston 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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