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Cheap flights from Houston to Lisbon from $373

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 8/25. 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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Find the cheapest flights from Houston to Lisbon

Cheap round-trip flights

United Airlines Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
United Airlines Logo
10:55 am - 3:12 pmLIS-IAH
34h 17m2 stops
$577United Airlines
Find Deal
Tue, Nov 11 - Thu, Dec 4
United Airlines Logo
7:05 am - 9:20 amIAH-LIS
20h 15m2 stops
United Airlines Logo
10:55 am - 3:12 pmLIS-IAH
34h 17m2 stops
$581United Airlines
Find Deal
Tue, Nov 11 - Thu, Dec 4
Air Canada Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
Air Canada Logo
5:00 am - 6:38 pmLIS-IAH
19h 38m2 stops
$589Air Canada
Find Deal
Tue, Nov 18 - Tue, Nov 25
Air Canada Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
Air Canada Logo
10:55 am - 9:39 pmLIS-IAH
16h 44m1 stop
$590Air Canada
Find Deal
Tue, Nov 11 - Thu, Dec 4
British Airways Logo
9:50 pm - 12:05 pmIAH-LIS
32h 15m1 stop
British Airways Logo
12:55 pm - 2:05 pmLIS-IAH
31h 10m1 stop
$621British Airways
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Sun, Nov 30 - Mon, Dec 15
Delta Logo
10:00 am - 8:00 amIAH-LIS
16h 00m2 stops
Delta Logo
12:20 pm - 1:55 pmLIS-IAH
31h 35m1 stop
$623Delta
Find Deal
Tue, Dec 2 - Mon, Dec 15
Delta Logo
6:15 pm - 9:00 amIAH-LIS
32h 45m1 stop
Delta Logo
12:20 pm - 1:55 pmLIS-IAH
31h 35m1 stop
$630Delta
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Sat, Nov 29 - Mon, Dec 15
Turkish Airlines Logo
9:00 pm - 11:35 pmIAH-LIS
20h 35m1 stop
Turkish Airlines Logo
10:55 am - 12:40 pmLIS-IAH
31h 45m1 stop
$654Turkish Airlines
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Thu, Oct 2 - Thu, Oct 16
Turkish Airlines Logo
2:25 pm - 3:15 pmIAH-LIS
18h 50m1 stop
Turkish Airlines Logo
5:55 am - 7:05 pmLIS-IAH
19h 10m1 stop
$656Turkish Airlines
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Wed, Oct 1 - Tue, Oct 7
British Airways Logo
12:26 pm - 2:55 pmHOU-LIS
20h 29m2 stops
British Airways Logo
7:05 am - 8:05 pmLIS-HOU
19h 00m2 stops
$915British Airways
Find Deal
Mon, Dec 29 - Wed, Jan 7

British Airways flights from Houston to Lisbon

Our best British Airways deals on Houston to Lisbon flight tickets
British Airways
Nov 30
IAH9:50 pmHouston George Bush Intcntl
32h 15m
1 stop
LIS12:05 pmLisbon Humberto Delgado
Dec 15
LIS12:55 pmLisbon Humberto Delgado
31h 10m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$621
Find similar
British Airways
Dec 29
HOU12:26 pmHouston Hobby
20h 29m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Jan 7
LIS7:05 amLisbon Humberto Delgado
19h 00m
2 stops
HOU8:05 pmHouston Hobby
$915
Find similar
British Airways
Aug 17
IAH11:57 amHouston George Bush Intcntl
15h 08m
1 stop
LIS9:05 amLisbon Humberto Delgado
Aug 25
LIS4:45 pmLisbon Humberto Delgado
34h 05m
2 stops
IAH8:50 pmHouston George Bush Intcntl
$1,207
Find similar

Delta flights from Houston to Lisbon

Our best Delta deals on Houston to Lisbon flight tickets
Delta
Dec 2
IAH10:00 amHouston George Bush Intcntl
16h 00m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 15
LIS12:20 pmLisbon Humberto Delgado
31h 35m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$623
Find similar
Delta
Nov 29
IAH6:15 pmHouston George Bush Intcntl
32h 45m
1 stop
LIS9:00 amLisbon Humberto Delgado
Dec 15
LIS12:20 pmLisbon Humberto Delgado
31h 35m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$630
Find similar
Delta
Nov 24
HOU1:00 pmHouston Hobby
14h 00m
2 stops
LIS9:00 amLisbon Humberto Delgado
Dec 2
LIS5:00 amLisbon Humberto Delgado
17h 27m
2 stops
HOU4:27 pmHouston Hobby
$634
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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 August 5, 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

Tue 11/11

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

Thu 12/4

10:55 am-3:12 pm

2 stops34h 17m

$577

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/11

7:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Thu 12/4

10:55 am-3:12 pm

2 stops34h 17m

$581

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/18

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-6:38 pm

2 stops19h 38m

$589

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/11

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

Thu 12/4

10:55 am-9:39 pm

1 stop16h 44m

$590

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 11/30

9:50 pm-12:05 pm

1 stop32h 15m

Lisbon Humberto Delgado

Mon 12/15

12:55 pm-2:05 pm

1 stop31h 10m

$621

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 12/2

10:00 am-8:00 am

2 stops16h 00m

Lisbon Humberto Delgado

Mon 12/15

12:20 pm-1:55 pm

1 stop31h 35m

$623

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 11/29

6:15 pm-9:00 am

1 stop32h 45m

Lisbon Humberto Delgado

Mon 12/15

12:20 pm-1:55 pm

1 stop31h 35m

$630

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 10/2

9:00 pm-11:35 pm

1 stop20h 35m

Lisbon Humberto Delgado

Thu 10/16

10:55 am-12:40 pm

1 stop31h 45m

$654

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/1

2:25 pm-3:15 pm

1 stop18h 50m

Lisbon Humberto Delgado

Tue 10/7

5:55 am-7:05 pm

1 stop19h 10m

$656

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 12/29

12:26 pm-2:55 pm

2 stops20h 29m

Lisbon Humberto Delgado

Wed 1/7

7:05 am-8:05 pm

2 stops19h 00m

$915

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Houston and Lisbon?

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 $716.

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

Our data shows that Sunday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $825. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Lisbon for around $1,199.

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 $857 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 $689 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

Best Price Found

$373

Fastest flight time

11h 36m

Direct flights

None

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Houston in the past 72 hours is $373. The best round-trip flight deal from Houston to Lisbon found on momondo in the last 72 hours is $577.
The fastest flight from Houston to Lisbon takes 11h 36m
There are no direct flights from Houston to Lisbon. Popular non-direct routes for this connection are Houston George Bush Intcntl Airport - Lisbon Humberto Delgado Airport and Houston Hobby Airport - Lisbon Humberto Delgado Airport.
There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)
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  • 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 36m 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 $549Free CancellationRating
7.5
1,466 reviews
Search Air France flights
Air CanadaPriceFrom $563Free CancellationRating
7.1
9,883 reviews
Search Air Canada flights
DeltaPriceFrom $573Free CancellationRating
8.0
7,987 reviews
Search Delta flights
American AirlinesPriceFrom $578Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $585Free CancellationRating
6.6
7,235 reviews
Search British Airways flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
8,915 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $637Free CancellationRating
7.3
3,935 reviews
Search Turkish Airlines flights
KLMPriceFrom $641Free CancellationRating
7.8
1,381 reviews
Search KLM flights

Traveling to a place near Lisbon?

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

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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