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Cheap flights from Houston to Lisbon from $298

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 11/25. 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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0 bags

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Cheap round-trip flights

United Airlines Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
United Airlines Logo
10:55 am - 10:47 pmLIS-IAH
41h 52m2 stops
$577United Airlines
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Tue, Nov 11 - Thu, Dec 4
Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
Logo
3:55 pm - 2:35 pmLIS-IAH
28h 40m1 stop
$582
Find Deal
Tue, Nov 4 - Wed, Nov 12
Air Canada Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
Air Canada Logo
5:00 am - 9:44 pmLIS-IAH
22h 44m2 stops
$590Air Canada
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Tue, Nov 4 - Wed, Nov 12
Air Canada Logo
7:20 am - 11:05 amIAH-LIS
21h 45m1 stop
Air Canada Logo
5:00 am - 11:04 amLIS-IAH
36h 04m2 stops
$597Air Canada
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Mon, Oct 13 - Wed, Nov 12
Air France Logo
3:50 pm - 2:50 pmIAH-LIS
17h 00m1 stop
Air France Logo
6:30 pm - 1:55 pmLIS-IAH
25h 25m1 stop
$621Air France
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Mon, Oct 13 - Thu, Nov 13
Delta Logo
3:10 pm - 5:50 pmIAH-LIS
20h 40m2 stops
Delta Logo
5:30 am - 1:55 pmLIS-IAH
14h 25m1 stop
$625Delta
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Mon, Oct 13 - Thu, Nov 13
British Airways Logo
9:00 pm - 11:00 pmIAH-LIS
20h 00m1 stop
British Airways Logo
10:40 am - 2:05 pmLIS-IAH
33h 25m1 stop
$648British Airways
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Tue, Oct 14 - Thu, Nov 13
Delta Logo
12:37 pm - 8:00 amIAH-LIS
13h 23m1 stop
Delta Logo
5:30 am - 2:55 pmLIS-IAH
14h 25m1 stop
$666Delta
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Tue, Oct 21 - Sun, Nov 2
Air France Logo
3:50 pm - 11:15 amIAH-LIS
13h 25m1 stop
Air France Logo
6:30 pm - 2:55 pmLIS-IAH
25h 25m1 stop
$681Air France
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Sun, Oct 19 - Sat, Nov 1
British Airways Logo
9:00 pm - 11:10 pmIAH-LIS
20h 10m1 stop
British Airways Logo
7:05 am - 8:00 pmLIS-IAH
18h 55m1 stop
$698British Airways
Find Deal
Mon, Oct 13 - Sun, Nov 9

British Airways flights from Houston to Lisbon

Our best British Airways deals on Houston to Lisbon flight tickets
British Airways
Oct 14
IAH9:00 pmHouston George Bush Intcntl
20h 00m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Nov 13
LIS10:40 amLisbon Humberto Delgado
33h 25m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$648
Find similar
British Airways
Oct 13
IAH9:00 pmHouston George Bush Intcntl
20h 10m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Nov 9
LIS7:05 amLisbon Humberto Delgado
18h 55m
1 stop
IAH8:00 pmHouston George Bush Intcntl
$698
Find similar
British Airways
Feb 6
IAH3:50 pmHouston George Bush Intcntl
17h 00m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Feb 15
LIS11:05 amLisbon Humberto Delgado
16h 22m
1 stop
IAH9:27 pmHouston George Bush Intcntl
$699
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Air France flights from Houston to Lisbon

Our best Air France deals on Houston to Lisbon flight tickets
Air France
Oct 13
IAH3:50 pmHouston George Bush Intcntl
17h 00m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Nov 13
LIS6:30 pmLisbon Humberto Delgado
25h 25m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$621
Find similar
Air France
Oct 19
IAH3:50 pmHouston George Bush Intcntl
13h 25m
1 stop
LIS11:15 amLisbon Humberto Delgado
Nov 1
LIS6:30 pmLisbon Humberto Delgado
25h 25m
1 stop
IAH2:55 pmHouston George Bush Intcntl
$681
Find similar
Air France
Oct 13
IAH3:50 pmHouston George Bush Intcntl
20h 00m
1 stop
LIS5:50 pmLisbon Humberto Delgado
Oct 20
LIS6:50 pmLisbon Humberto Delgado
24h 45m
1 stop
IAH1:35 pmHouston George Bush Intcntl
$701
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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 21, 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-10:47 pm

2 stops41h 52m

$577

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/4

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

Wed 11/12

3:55 pm-2:35 pm

1 stop28h 40m

$582

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/4

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

Wed 11/12

5:00 am-9:44 pm

2 stops22h 44m

$590

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 10/13

7:20 am-11:05 am

1 stop21h 45m

Lisbon Humberto Delgado

Wed 11/12

5:00 am-11:04 am

2 stops36h 04m

$597

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 10/13

3:50 pm-2:50 pm

1 stop17h 00m

Lisbon Humberto Delgado

Thu 11/13

6:30 pm-1:55 pm

1 stop25h 25m

$621

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 10/13

3:10 pm-5:50 pm

2 stops20h 40m

Lisbon Humberto Delgado

Thu 11/13

5:30 am-1:55 pm

1 stop14h 25m

$625

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 10/14

9:00 pm-11:00 pm

1 stop20h 00m

Lisbon Humberto Delgado

Thu 11/13

10:40 am-2:05 pm

1 stop33h 25m

$648

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 10/21

12:37 pm-8:00 am

1 stop13h 23m

Lisbon Humberto Delgado

Sun 11/2

5:30 am-2:55 pm

1 stop14h 25m

$666

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 10/19

3:50 pm-11:15 am

1 stop13h 25m

Lisbon Humberto Delgado

Sat 11/1

6:30 pm-2:55 pm

1 stop25h 25m

$681

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 10/13

9:00 pm-11:10 pm

1 stop20h 10m

Lisbon Humberto Delgado

Sun 11/9

7:05 am-8:00 pm

1 stop18h 55m

$698

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 $712.

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 $856 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

Direct flights

None
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 23m 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
7.4
1,469 reviews
Search Air France flights
Air CanadaPriceFrom $563Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $578Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $579Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
British AirwaysPriceFrom $585Free CancellationRating
6.7
7,291 reviews
Search British Airways flights
DeltaPriceFrom $595Free CancellationRating
7.9
7,981 reviews
Search Delta flights
KLMPriceFrom $641Free CancellationRating
7.8
1,388 reviews
Search KLM flights
Turkish AirlinesPriceFrom $655Free CancellationRating
7.3
3,950 reviews
Search Turkish Airlines 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
Sesimbra
Estoril
Leiria
Figueira da Foz
Tomar
Zambujeira do Mar
Torres Vedras
Batalha
Óbidos
Comporta
Costa da Caparica

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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