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Cheap flights from Houston to Lisbon from $280

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 11/27. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
12:42 pm - 9:00 amIAH-LIS
14h 18m1 stop
KLM Logo
11:25 am - 1:30 pmLIS-IAH
32h 05m1 stop
$591KLM
Find Deal
lun., dic. 15 - lun., dic. 22
Multiple Airlines Logo
8:03 pm - 9:20 amIAH-LIS
31h 17m3 stops
Multiple Airlines Logo
6:10 am - 11:19 amLIS-IAH
35h 09m3 stops
$592Multiple Airlines
Find Deal
lun., nov. 17 - lun., nov. 24
United Airlines Logo
7:39 am - 9:20 amIAH-LIS
19h 41m2 stops
United Airlines Logo
5:00 am - 12:30 amLIS-IAH
25h 30m2 stops
$596United Airlines
Find Deal
jue., dic. 11 - vie., dic. 26
United Airlines Logo
11:50 am - 9:20 amIAH-LIS
15h 30m1 stop
United Airlines Logo
5:00 am - 6:15 pmLIS-IAH
19h 15m1 stop
$597United Airlines
Find Deal
jue., nov. 13 - mar., nov. 18
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
$603Air Canada
Find Deal
jue., nov. 13 - mar., nov. 18
Delta Logo
6:00 am - 11:20 amHOU-LIS
23h 20m2 stops
Delta Logo
5:40 am - 9:38 pmLIS-HOU
21h 58m2 stops
$611Delta
Find Deal
lun., feb. 2 - mar., may. 12
Air Canada Logo
5:25 pm - 9:20 amIAH-LIS
33h 55m2 stops
Air Canada Logo
10:50 am - 4:24 pmLIS-IAH
34h 34m2 stops
$613Air Canada
Find Deal
dom., mar. 1 - dom., mar. 8
Delta Logo
10:40 am - 3:10 pmHOU-LIS
22h 30m2 stops
Delta Logo
5:00 am - 5:53 pmLIS-HOU
18h 53m2 stops
$620Delta
Find Deal
jue., nov. 13 - mar., nov. 18
British Airways Logo
10:50 pm - 10:30 pmIAH-LIS
18h 40m1 stop
British Airways Logo
7:00 am - 9:00 pmLIS-IAH
19h 00m1 stop
$652British Airways
Find Deal
sáb., mar. 14 - sáb., mar. 21
British Airways Logo
1:28 pm - 12:05 pmIAH-LIS
16h 37m2 stops
British Airways Logo
6:35 pm - 2:05 pmLIS-IAH
25h 30m1 stop
$691British Airways
Find Deal
dom., dic. 7 - lun., dic. 22

KLM flights from Houston to Lisbon

Our best KLM deals on Houston to Lisbon flight tickets
KLM
Dec 15
IAH12:42 pmHouston George Bush Intcntl
14h 18m
1 stop
LIS9:00 amLisbon Humberto Delgado
Dec 22
LIS11:25 amLisbon Humberto Delgado
32h 05m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$591
Find similar
KLM
Dec 7
IAH12:35 pmHouston George Bush Intcntl
13h 25m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 22
LIS11:15 amLisbon Humberto Delgado
16h 00m
2 stops
IAH9:15 pmHouston George Bush Intcntl
$635
Find similar
KLM
Oct 22
HOU10:13 amHouston Hobby
15h 47m
2 stops
LIS8:00 amLisbon Humberto Delgado
Oct 24
LIS11:40 amLisbon Humberto Delgado
17h 20m
2 stops
HOU11:00 pmHouston Hobby
$2,340
Find similar

United Airlines flights from Houston to Lisbon

Our best United Airlines deals on Houston to Lisbon flight tickets
United Airlines
Dec 11
IAH7:39 amHouston George Bush Intcntl
19h 41m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 26
LIS5:00 amLisbon Humberto Delgado
25h 30m
2 stops
IAH12:30 amHouston George Bush Intcntl
$596
Find similar
United Airlines
Nov 13
IAH11:50 amHouston George Bush Intcntl
15h 30m
1 stop
LIS9:20 amLisbon Humberto Delgado
Nov 18
LIS5:00 amLisbon Humberto Delgado
19h 15m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$597
Find similar
United Airlines
Dec 30
IAH7:20 amHouston George Bush Intcntl
20h 00m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 8
LIS10:55 amLisbon Humberto Delgado
16h 44m
1 stop
IAH9:39 pmHouston George Bush Intcntl
$600
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 octubre 20, 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

lun. 12/15

12:42 pm-9:00 am

1 stop14h 18m

Lisbon Humberto Delgado

lun. 12/22

11:25 am-1:30 pm

1 stop32h 05m

$591

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

lun. 11/17

8:03 pm-9:20 am

3 stops31h 17m

Lisbon Humberto Delgado

lun. 11/24

6:10 am-11:19 am

3 stops35h 09m

$592

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

jue. 12/11

7:39 am-9:20 am

2 stops19h 41m

Lisbon Humberto Delgado

vie. 12/26

5:00 am-12:30 am

2 stops25h 30m

$596

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

jue. 11/13

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

mar. 11/18

5:00 am-6:15 pm

1 stop19h 15m

$597

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

jue. 11/13

11:50 am-9:20 am

1 stop15h 30m

Lisbon Humberto Delgado

mar. 11/18

5:00 am-9:44 pm

2 stops22h 44m

$603

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

lun. 2/2

6:00 am-11:20 am

2 stops23h 20m

Lisbon Humberto Delgado

mar. 5/12

5:40 am-9:38 pm

2 stops21h 58m

$611

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

dom. 3/1

5:25 pm-9:20 am

2 stops33h 55m

Lisbon Humberto Delgado

dom. 3/8

10:50 am-4:24 pm

2 stops34h 34m

$613

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

jue. 11/13

10:40 am-3:10 pm

2 stops22h 30m

Lisbon Humberto Delgado

mar. 11/18

5:00 am-5:53 pm

2 stops18h 53m

$620

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

sáb. 3/14

10:50 pm-10:30 pm

1 stop18h 40m

Lisbon Humberto Delgado

sáb. 3/21

7:00 am-9:00 pm

1 stop19h 00m

$652

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

dom. 12/7

1:28 pm-12:05 pm

2 stops16h 37m

Lisbon Humberto Delgado

lun. 12/22

6:35 pm-2:05 pm

1 stop25h 30m

$691

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 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 $670.

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 $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 $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. 11h 32m 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
American AirlinesPriceFrom $517Free CancellationRating
7.2
11,026 reviews
Search American Airlines flights
Air FrancePriceFrom $549Free CancellationRating
7.4
1,475 reviews
Search Air France flights
Air CanadaPriceFrom $563Free CancellationRating
7.1
10,334 reviews
Search Air Canada flights
United AirlinesPriceFrom $572Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
DeltaPriceFrom $595Free CancellationRating
7.9
7,978 reviews
Search Delta flights
British AirwaysPriceFrom $601Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $628Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
KLMPriceFrom $641Free CancellationRating
7.7
1,404 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
Ericeira
Nazaré
Oeiras
Setúbal
Peniche
Almada
Estoril
Leiria
Sesimbra
Tomar
Evora
Zambujeira do Mar
Batalha
Figueira da Foz
Óbidos
Torres Vedras
Comporta
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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