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Cheap flights from Houston George Bush Intcntl Airport to Lisbon from $325

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.
Multiple Airlines Logo
3:30 pm - 9:20 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
11h 50m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:00 am - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$690Multiple Airlines
Tue, Dec 8 - Tue, Dec 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
5:00 am - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$693Multiple Airlines
Mon, Dec 7 - Tue, Dec 22
United Airlines Logo
11:50 am - 6:55 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
13h 05m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
5:00 am - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$712United Airlines
Wed, Dec 2 - Thu, Dec 10
United Airlines Logo
11:50 am - 6:55 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
13h 05m1 stop Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
5:00 am - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$712United Airlines
Wed, Dec 2 - Wed, Dec 9
Air Canada Logo
11:50 am - 10:40 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
16h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:20 am - 10:53 amLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
29h 33m1 stop Toronto Pearson Intl
$713Air Canada
Mon, Dec 7 - Wed, Dec 23
Delta Logo
7:10 pm - 3:10 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
14h 00m1 stop Paris Charles de Gaulle
Delta Logo
11:30 am - 1:05 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
31h 35m1 stop Amsterdam Schiphol
$715Delta
Tue, Dec 1 - Mon, Dec 7
Delta Logo
7:10 pm - 5:30 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
16h 20m1 stop Paris Charles de Gaulle
Delta Logo
11:30 am - 1:05 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
31h 35m1 stop Amsterdam Schiphol
$715Delta
Wed, Dec 2 - Mon, Dec 7
Air Canada Logo
11:55 am - 9:20 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
15h 25m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:20 am - 9:34 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
16h 14m1 stop Montreal Pierre Elliott Trudeau Intl
$721Air Canada
Mon, Jan 18 - Thu, Jan 28
Lufthansa Logo
4:10 pm - 3:00 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
16h 50m1 stop Frankfurt am Main
Lufthansa Logo
5:00 am - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$724Lufthansa
Sun, Jan 17 - Fri, Jan 29
Lufthansa Logo
4:10 pm - 3:00 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
16h 50m1 stop Frankfurt am Main
Lufthansa Logo
5:00 am - 2:00 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
15h 00m1 stop Frankfurt am Main
$731Lufthansa
Sun, Jan 17 - Fri, Jan 29

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Lufthansa flights from Houston George Bush Intcntl Airport to Lisbon

Our best Lufthansa deals on Houston George Bush Intcntl Airport to Lisbon flight tickets
Lufthansa
Jan 17
IAH4:10 pmHouston George Bush Intcntl
16h 50m
1 stop
LIS3:00 pmLisbon Humberto Delgado
Jan 29
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
IAH2:00 pmHouston George Bush Intcntl
$724
Lufthansa
Dec 6
IAH4:10 pmHouston George Bush Intcntl
16h 50m
1 stop
LIS3:00 pmLisbon Humberto Delgado
Dec 13
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
IAH2:00 pmHouston George Bush Intcntl
$747
Lufthansa
Nov 18
IAH4:10 pmHouston George Bush Intcntl
16h 40m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Nov 26
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
IAH2:00 pmHouston George Bush Intcntl
$752

Air Canada flights from Houston George Bush Intcntl Airport to Lisbon

Our best Air Canada deals on Houston George Bush Intcntl Airport to Lisbon flight tickets
Air Canada
Dec 7
IAH11:55 amHouston George Bush Intcntl
16h 45m
2 stops
LIS10:40 amLisbon Humberto Delgado
Dec 23
LIS11:20 amLisbon Humberto Delgado
29h 33m
1 stop
IAH10:53 amHouston George Bush Intcntl
$731
Air Canada
Jan 17
IAH6:19 pmHouston George Bush Intcntl
33h 01m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 29
LIS5:00 amLisbon Humberto Delgado
19h 41m
2 stops
IAH6:41 pmHouston George Bush Intcntl
$745
Air Canada
Oct 29
IAH11:50 amHouston George Bush Intcntl
16h 30m
2 stops
LIS9:20 amLisbon Humberto Delgado
Nov 1
LIS10:50 amLisbon Humberto Delgado
40h 49m
2 stops
IAH9:39 pmHouston George Bush Intcntl
$1,313

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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Route

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Price

Cheapest round-trip
Quickest round-trip

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 12/8

3:30 pm-9:20 am

1 stop11h 50m

Lisbon Humberto Delgado

Tue 12/22

5:00 am-2:00 pm

1 stop15h 00m

$690

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 12/7

11:50 am-10:40 am

1 stop16h 50m

Lisbon Humberto Delgado

Tue 12/22

5:00 am-2:00 pm

1 stop15h 00m

$693

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 12/2

11:50 am-6:55 am

1 stop13h 05m

Lisbon Humberto Delgado

Thu 12/10

5:00 am-2:00 pm

1 stop15h 00m

$712

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 12/2

11:50 am-6:55 am

1 stop13h 05m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-2:00 pm

1 stop15h 00m

$712

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 12/7

11:50 am-10:40 am

1 stop16h 50m

Lisbon Humberto Delgado

Wed 12/23

11:20 am-10:53 am

1 stop29h 33m

$713

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 12/1

7:10 pm-3:10 pm

1 stop14h 00m

Lisbon Humberto Delgado

Mon 12/7

11:30 am-1:05 pm

1 stop31h 35m

$715

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 12/2

7:10 pm-5:30 pm

1 stop16h 20m

Lisbon Humberto Delgado

Mon 12/7

11:30 am-1:05 pm

1 stop31h 35m

$715

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 1/18

11:55 am-9:20 am

1 stop15h 25m

Lisbon Humberto Delgado

Thu 1/28

11:20 am-9:34 pm

1 stop16h 14m

$721

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 1/17

4:10 pm-3:00 pm

1 stop16h 50m

Lisbon Humberto Delgado

Fri 1/29

5:00 am-2:00 pm

1 stop15h 00m

$724

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 1/17

4:10 pm-3:00 pm

1 stop16h 50m

Lisbon Humberto Delgado

Fri 1/29

5:00 am-2:00 pm

1 stop15h 00m

$731

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 typical for flights on this route.

Typical prices usually range from $638 to $942.
The lowest price recently found on this route was $690.

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 $740. If you are unable to visit Lisbon during the month of April, then departing from Houston George Bush Intcntl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $746.

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 $973 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 $750 on momondo.

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

As of October 2026, prices for Houston George Bush Intcntl Airport to Lisbon flights are approximately 57% more expensive 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

$325

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 $325. The best round-trip flight deal from Houston George Bush Intcntl Airport to Lisbon found on momondo in the last 72 hours is $690.
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
1,653 reviews
Search Air France flights
KLMPriceFrom $541Free CancellationRating
7.8
1,592 reviews
Search KLM flights
DeltaPriceFrom $541Free CancellationRating
7.8
8,668 reviews
Search Delta flights
British AirwaysPriceFrom $559Free CancellationRating
6.7
8,268 reviews
Search British Airways flights
United AirlinesPriceFrom $610Free CancellationRating
7.3
10,410 reviews
Search United Airlines flights
LufthansaPriceFrom $719Free CancellationRating
6.8
8,295 reviews
Search Lufthansa flights
Air CanadaPriceFrom $730Free CancellationRating
7.1
11,794 reviews
Search Air Canada 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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