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Cheap flights from Houston to Lisbon from $324

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 5/11. 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.
Delta Logo
3:50 pm - 11:15 am
IAH
-
LIS
13h 25m
1 stop
Delta Logo
11:55 am - 1:15 pm
LIS
-
IAH
31h 20m
1 stop
$536Delta
Sun, Apr 12 - Sun, Apr 19
Delta Logo
5:05 pm - 11:20 am
IAH
-
LIS
13h 15m
1 stop
Delta Logo
5:00 am - 1:15 pm
LIS
-
IAH
14h 15m
1 stop
$537Delta
Tue, Mar 24 - Wed, Apr 1
Delta Logo
5:05 pm - 3:10 pm
IAH
-
LIS
17h 05m
1 stop
Delta Logo
5:00 am - 1:15 pm
LIS
-
IAH
14h 15m
1 stop
$538Delta
Sun, Mar 22 - Tue, Mar 31
Multiple Airlines Logo
5:24 pm - 5:15 pm
IAH
-
LIS
17h 51m
1 stop
Multiple Airlines Logo
10:20 am - 10:49 pm
LIS
-
IAH
18h 29m
1 stop
$539Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
United Airlines Logo
4:55 pm - 9:20 am
IAH
-
LIS
34h 25m
2 stops
United Airlines Logo
11:25 am - 3:49 pm
LIS
-
IAH
34h 24m
2 stops
$540United Airlines
Tue, Apr 7 - Tue, Apr 14
KLM Logo
3:20 pm - 6:45 pm
IAH
-
LIS
21h 25m
1 stop
KLM Logo
9:20 am - 1:15 pm
LIS
-
IAH
33h 55m
1 stop
$542KLM
Sun, Apr 19 - Tue, Apr 28
Multiple Airlines Logo
3:30 pm - 2:30 pm
IAH
-
LIS
17h 00m
1 stop
Multiple Airlines Logo
12:30 pm - 11:59 pm
LIS
-
IAH
17h 29m
2 stops
$543Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
6:00 am - 9:20 am
IAH
-
LIS
21h 20m
2 stops
United Airlines Logo
7:25 am - 11:14 pm
LIS
-
IAH
21h 49m
2 stops
$548United Airlines
Wed, Apr 8 - Wed, Apr 15
British Airways Logo
4:18 pm - 3:40 pm
HOU
-
LIS
17h 22m
2 stops
British Airways Logo
6:45 pm - 7:51 pm
LIS
-
HOU
31h 06m
2 stops
$658British Airways
Wed, Apr 8 - Wed, Apr 15
British Airways Logo
8:21 pm - 11:05 pm
HOU
-
LIS
20h 44m
2 stops
British Airways Logo
7:10 am - 7:51 pm
LIS
-
HOU
18h 41m
2 stops
$688British Airways
Sun, Apr 19 - Tue, Apr 28

American Airlines flights from Houston to Lisbon

Our best American Airlines deals on Houston to Lisbon flight tickets
American Airlines
Feb 26
IAH12:06 pmHouston George Bush Intcntl
14h 59m
2 stops
LIS9:05 amLisbon Humberto Delgado
Mar 5
LIS8:20 amLisbon Humberto Delgado
17h 40m
2 stops
IAH8:00 pmHouston George Bush Intcntl
$624
American Airlines
Feb 13
IAH10:17 amHouston George Bush Intcntl
16h 33m
2 stops
LIS8:50 amLisbon Humberto Delgado
Feb 20
LIS11:05 amLisbon Humberto Delgado
18h 48m
2 stops
IAH11:53 pmHouston George Bush Intcntl
$896
American Airlines
Mar 18
HOU10:14 amHouston Hobby
17h 41m
2 stops
LIS8:55 amLisbon Humberto Delgado
Mar 25
LIS11:05 amLisbon Humberto Delgado
17h 53m
2 stops
HOU11:58 pmHouston Hobby
$1,081

Delta flights from Houston to Lisbon

Our best Delta deals on Houston to Lisbon flight tickets
Delta
Apr 12
IAH3:50 pmHouston George Bush Intcntl
20h 00m
1 stop
LIS5:50 pmLisbon Humberto Delgado
Apr 22
LIS11:55 amLisbon Humberto Delgado
31h 20m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$536
Delta
Mar 24
IAH5:05 pmHouston George Bush Intcntl
13h 15m
1 stop
LIS11:20 amLisbon Humberto Delgado
Apr 1
LIS5:00 amLisbon Humberto Delgado
14h 15m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$537
Delta
Mar 22
IAH5:05 pmHouston George Bush Intcntl
17h 05m
1 stop
LIS3:10 pmLisbon Humberto Delgado
Mar 30
LIS11:55 amLisbon Humberto Delgado
31h 20m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$538

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 February 13, 2026.
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

Sun 4/12

3:50 pm-11:15 am

1 stop13h 25m

Lisbon Humberto Delgado

Sun 4/19

11:55 am-1:15 pm

1 stop31h 20m

$536

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 3/24

5:05 pm-11:20 am

1 stop13h 15m

Lisbon Humberto Delgado

Wed 4/1

5:00 am-1:15 pm

1 stop14h 15m

$537

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 3/22

5:05 pm-3:10 pm

1 stop17h 05m

Lisbon Humberto Delgado

Tue 3/31

5:00 am-1:15 pm

1 stop14h 15m

$538

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 4/8

5:24 pm-5:15 pm

1 stop17h 51m

Lisbon Humberto Delgado

Wed 4/15

10:20 am-10:49 pm

1 stop18h 29m

$539

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 4/7

4:55 pm-9:20 am

2 stops34h 25m

Lisbon Humberto Delgado

Tue 4/14

11:25 am-3:49 pm

2 stops34h 24m

$540

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 4/19

3:20 pm-6:45 pm

1 stop21h 25m

Lisbon Humberto Delgado

Tue 4/28

9:20 am-1:15 pm

1 stop33h 55m

$542

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 4/7

3:30 pm-2:30 pm

1 stop17h 00m

Lisbon Humberto Delgado

Tue 4/14

12:30 pm-11:59 pm

2 stops17h 29m

$543

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 4/8

6:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Wed 4/15

7:25 am-11:14 pm

2 stops21h 49m

$548

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 4/8

4:18 pm-3:40 pm

2 stops17h 22m

Lisbon Humberto Delgado

Wed 4/15

6:45 pm-7:51 pm

2 stops31h 06m

$658

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sun 4/19

8:21 pm-11:05 pm

2 stops20h 44m

Lisbon Humberto Delgado

Tue 4/28

7:10 am-7:51 pm

2 stops18h 41m

$688

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, January 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 $680. If you are unable to visit Lisbon during the month of January, then departing from Houston during the month March is also very affordable. Most momondo users find prices during this month for around $694.

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 $864 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 $604 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

13h 15m

Direct flights

None
The fastest flight from Houston to Lisbon takes 13h 15m
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. 13h 15m 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
DeltaPriceFrom $466Free CancellationRating
7.9
8,182 reviews
Search Delta flights
Air FrancePriceFrom $540Free CancellationRating
7.4
1,532 reviews
Search Air France flights
British AirwaysPriceFrom $559Free CancellationRating
6.7
7,733 reviews
Search British Airways flights
KLMPriceFrom $586Free CancellationRating
7.7
1,452 reviews
Search KLM flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,282 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $621Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $646Free CancellationRating
7.1
10,710 reviews
Search Air Canada flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Nazaré
Fátima
Setúbal
Estoril
Peniche
Evora
Oeiras
Leiria
Sesimbra
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 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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