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Cheap flights from Houston George Bush Intcntl Airport to Lisbon from $300

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston George Bush Intcntl Airport to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:55 am - 6:55 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
13h 00m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:00 am - 5:03 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
18h 03m2 stops Frankfurt am Main Toronto Pearson Intl
$808Air Canada
Sun, Feb 28 - Sat, Mar 13
United Airlines Logo
12:06 pm - 9:20 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
15h 14m2 stops New York LaGuardia Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
5:00 am - 3:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$808United Airlines
Tue, Oct 20 - Fri, Oct 30
United Airlines Logo
10:57 am - 9:20 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
16h 23m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
5:00 am - 3:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$808United Airlines
Tue, Oct 20 - Thu, Oct 29
Multiple Airlines Logo
10:00 am - 11:05 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
19h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
11:25 am - 7:52 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
14h 27m1 stop Montreal Pierre Elliott Trudeau Intl
$808Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
Multiple Airlines Logo
11:50 am - 10:40 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
16h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:25 pm - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
31h 35m1 stop Frankfurt am Main
$808Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Delta Logo
3:25 pm - 10:55 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
13h 30m1 stop Amsterdam Schiphol
Delta Logo
11:30 am - 2:05 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
31h 35m1 stop Amsterdam Schiphol
$810Delta
Wed, Oct 21 - Mon, Oct 26
Delta Logo
3:32 pm - 5:50 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
20h 18m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
5:00 am - 1:20 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
14h 20m1 stop Amsterdam Schiphol
$810Delta
Wed, Oct 14 - Thu, Oct 22
Lufthansa Logo
4:10 pm - 11:30 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
25h 20m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
2:20 pm - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
29h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main
$811Lufthansa
Mon, Nov 16 - Wed, Nov 25
Lufthansa Logo
4:10 pm - 11:30 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
25h 20m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
2:20 pm - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
29h 40m2 stops Munich Franz Josef Strauss Frankfurt am Main
$811Lufthansa
Sun, Nov 15 - Mon, Nov 23
Air Canada Logo
11:55 am - 9:20 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
15h 25m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:00 am - 5:03 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
18h 03m2 stops Frankfurt am Main Toronto Pearson Intl
$816Air Canada
Sun, Feb 28 - Sat, Mar 13

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Iberia flights from Houston George Bush Intcntl Airport to Lisbon

Our best Iberia deals on Houston George Bush Intcntl Airport to Lisbon flight tickets
Iberia
Oct 21
IAH7:02 pmHouston George Bush Intcntl
19h 03m
2 stops
LIS8:05 pmLisbon Humberto Delgado
Oct 26
LIS8:45 pmLisbon Humberto Delgado
56h 02m
2 stops
IAH11:47 pmHouston George Bush Intcntl
$846
Iberia
Sep 12
IAH4:57 pmHouston George Bush Intcntl
48h 28m
2 stops
LIS11:25 pmLisbon Humberto Delgado
Sep 21
LIS8:45 pmLisbon Humberto Delgado
31h 14m
2 stops
IAH9:59 pmHouston George Bush Intcntl
$1,261

British Airways flights from Houston George Bush Intcntl Airport to Lisbon

Our best British Airways deals on Houston George Bush Intcntl Airport to Lisbon flight tickets
British Airways
Oct 23
IAH9:10 pmHouston George Bush Intcntl
31h 40m
1 stop
LIS10:50 amLisbon Humberto Delgado
Oct 31
LIS6:45 pmLisbon Humberto Delgado
25h 20m
1 stop
IAH3:05 pmHouston George Bush Intcntl
$850
British Airways
Oct 21
IAH12:25 pmHouston George Bush Intcntl
21h 15m
2 stops
LIS3:40 pmLisbon Humberto Delgado
Oct 26
LIS7:05 amLisbon Humberto Delgado
37h 00m
1 stop
IAH3:05 pmHouston George Bush Intcntl
$856
British Airways
Sep 22
IAH9:05 pmHouston George Bush Intcntl
19h 55m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Sep 28
LIS6:45 pmLisbon Humberto Delgado
24h 40m
1 stop
IAH1:25 pmHouston George Bush Intcntl
$1,080

momondo Fare Finder

 
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Lisbon that are best for you.

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Cheapest round-trip

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 2/28

11:55 am-6:55 am

1 stop13h 00m

Lisbon Humberto Delgado

Sat 3/13

5:00 am-5:03 pm

2 stops18h 03m

$808
Quickest round-trip

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 10/20

12:06 pm-9:20 am

2 stops15h 14m

Lisbon Humberto Delgado

Fri 10/30

5:00 am-3:00 pm

1 stop15h 00m

$808

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 10/20

10:57 am-9:20 am

2 stops16h 23m

Lisbon Humberto Delgado

Thu 10/29

5:00 am-3:00 pm

1 stop15h 00m

$808

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 10/14

10:00 am-11:05 am

2 stops19h 05m

Lisbon Humberto Delgado

Thu 10/22

11:25 am-7:52 pm

1 stop14h 27m

$808

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 11/23

11:50 am-10:40 am

1 stop16h 50m

Lisbon Humberto Delgado

Mon 11/30

12:25 pm-2:00 pm

1 stop31h 35m

$808

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 10/21

3:25 pm-10:55 am

1 stop13h 30m

Lisbon Humberto Delgado

Mon 10/26

11:30 am-2:05 pm

1 stop31h 35m

$810

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 10/14

3:32 pm-5:50 pm

2 stops20h 18m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-1:20 pm

1 stop14h 20m

$810

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 11/16

4:10 pm-11:30 pm

2 stops25h 20m

Lisbon Humberto Delgado

Wed 11/25

2:20 pm-2:00 pm

2 stops29h 40m

$811

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 11/15

4:10 pm-11:30 pm

2 stops25h 20m

Lisbon Humberto Delgado

Mon 11/23

2:20 pm-2:00 pm

2 stops29h 40m

$811

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 2/28

11:55 am-9:20 am

2 stops15h 25m

Lisbon Humberto Delgado

Sat 3/13

5:00 am-5:03 pm

2 stops18h 03m

$816

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 George Bush Intcntl Airport 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 George Bush Intcntl Airport and Lisbon?

Prices are currently low for flights on this route.

Typical prices usually range from $859 to $1,254.
The lowest price recently found on this route was $808.

What is the cheapest month to fly to Lisbon?

In general, April is the cheapest month to fly from Houston George Bush Intcntl Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $726. If you are unable to visit Lisbon during the month of April, then departing from Houston George Bush Intcntl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $752.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Lisbon?

You are more likely to see cheaper flights to Lisbon from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $965 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Houston George Bush Intcntl Airport for as low as $796 on momondo.

How have Houston George Bush Intcntl Airport to Lisbon flight prices changed over time?

As of September 2026, prices for Houston George Bush Intcntl Airport to Lisbon flights are approximately 69% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Lisbon (IAH to LIS) flight deals and tips

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

Best Price Found

$300

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Lisbon from Houston George Bush Intcntl Airport in the past 72 hours is $300. The best round-trip flight deal from Houston George Bush Intcntl Airport to Lisbon found on momondo in the last 72 hours is $808.
The fastest flight from Houston George Bush Intcntl Airport to Lisbon takes 11h 25m
There are no direct flights from Houston George Bush Intcntl Airport to Lisbon. There are no popular flight routes from Houston George Bush Intcntl Airport to Lisbon.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Lisbon

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

    The distance between Houston George Bush Intcntl and Lisbon Humberto Delgado is about 4768.5 mi. Typically, this will take 11h 25m by plane in normal conditions.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Lisbon?

Best airlines flying from Houston George Bush Intcntl Airport to Lisbon

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $512Free CancellationRating
7.5
1,649 reviews
Search Air France flights
KLMPriceFrom $541Free CancellationRating
7.8
1,573 reviews
Search KLM flights
DeltaPriceFrom $541Free CancellationRating
7.8
8,548 reviews
Search Delta flights
Turkish AirlinesPriceFrom $552Free CancellationRating
7.4
4,476 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $559Free CancellationRating
6.7
8,211 reviews
Search British Airways flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
10,181 reviews
Search United Airlines flights
Air CanadaPriceFrom $704Free CancellationRating
7.1
11,600 reviews
Search Air Canada flights
LufthansaPriceFrom $719Free CancellationRating
6.8
8,216 reviews
Search Lufthansa flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Lisbon. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Houston to Lisbon flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Houston.

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

Of course. momondo tracks the price of Houston to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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