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Cheap flights from Houston George Bush Intcntl Airport to Lisbon from $369

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 George Bush Intcntl Airport to Lisbon departing on 7/13. 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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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.
Turkish Airlines Logo
9:05 pm - 3:45 pm
IAH
-
LIS
36h 40m
1 stop
Turkish Airlines Logo
11:00 am - 7:10 pm
LIS
-
IAH
38h 10m
1 stop
$696Turkish Airlines
Wed, Aug 26 - Fri, Sep 4
Turkish Airlines Logo
9:05 pm - 3:35 pm
IAH
-
LIS
36h 30m
1 stop
Turkish Airlines Logo
5:55 am - 7:10 pm
LIS
-
IAH
19h 15m
1 stop
$698Turkish Airlines
Tue, Sep 15 - Tue, Sep 22
Turkish Airlines Logo
9:05 pm - 9:50 am
IAH
-
LIS
30h 45m
1 stop
Turkish Airlines Logo
5:55 am - 7:10 pm
LIS
-
IAH
19h 15m
1 stop
$724Turkish Airlines
Tue, Sep 22 - Tue, Sep 29
Turkish Airlines Logo
9:05 pm - 9:50 am
IAH
-
LIS
30h 45m
1 stop
Turkish Airlines Logo
5:55 am - 7:10 pm
LIS
-
IAH
19h 15m
1 stop
$733Turkish Airlines
Wed, Oct 7 - Mon, Oct 12
Turkish Airlines Logo
9:05 pm - 3:35 pm
IAH
-
LIS
36h 30m
1 stop
Turkish Airlines Logo
5:55 am - 12:45 pm
LIS
-
IAH
36h 50m
1 stop
$739Turkish Airlines
Thu, Sep 17 - Thu, Sep 24
Turkish Airlines Logo
9:05 pm - 11:20 pm
IAH
-
LIS
20h 15m
1 stop
Turkish Airlines Logo
5:55 am - 7:10 pm
LIS
-
IAH
19h 15m
1 stop
$741Turkish Airlines
Thu, Sep 24 - Mon, Sep 28
Turkish Airlines Logo
9:05 pm - 3:35 pm
IAH
-
LIS
36h 30m
1 stop
Turkish Airlines Logo
10:50 am - 7:10 pm
LIS
-
IAH
38h 20m
1 stop
$742Turkish Airlines
Thu, Sep 17 - Thu, Sep 24
Turkish Airlines Logo
9:05 pm - 3:40 pm
IAH
-
LIS
36h 35m
1 stop
Turkish Airlines Logo
4:50 pm - 12:45 pm
LIS
-
IAH
25h 55m
1 stop
$752Turkish Airlines
Mon, Sep 14 - Sun, Sep 20
Turkish Airlines Logo
9:05 pm - 3:35 pm
IAH
-
LIS
36h 30m
1 stop
Turkish Airlines Logo
10:55 am - 7:10 pm
LIS
-
IAH
38h 15m
1 stop
$764Turkish Airlines
Sat, Sep 26 - Tue, Oct 6
Turkish Airlines Logo
9:05 pm - 11:45 pm
IAH
-
LIS
20h 40m
1 stop
Turkish Airlines Logo
10:55 am - 7:10 pm
LIS
-
IAH
38h 15m
1 stop
$766Turkish Airlines
Wed, Sep 23 - Wed, Oct 7

Turkish Airlines flights from Houston George Bush Intcntl Airport to Lisbon

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Lisbon flight tickets
Turkish Airlines
Aug 26
IAH9:05 pmHouston George Bush Intcntl
36h 40m
1 stop
LIS3:45 pmLisbon Humberto Delgado
Sep 4
LIS11:00 amLisbon Humberto Delgado
38h 10m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$696
Turkish Airlines
Sep 15
IAH9:05 pmHouston George Bush Intcntl
36h 30m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Sep 22
LIS5:55 amLisbon Humberto Delgado
19h 15m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$698
Turkish Airlines
Apr 27
IAH2:30 pmHouston George Bush Intcntl
19h 05m
1 stop
LIS3:35 pmLisbon Humberto Delgado
May 12
LIS5:05 pmLisbon Humberto Delgado
32h 05m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$703

Delta flights from Houston George Bush Intcntl Airport to Lisbon

Our best Delta deals on Houston George Bush Intcntl Airport to Lisbon flight tickets
Delta
Apr 22
IAH3:21 pmHouston George Bush Intcntl
17h 34m
2 stops
LIS2:55 pmLisbon Humberto Delgado
May 6
LIS5:00 amLisbon Humberto Delgado
14h 20m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$781
Delta
Apr 22
IAH12:38 pmHouston George Bush Intcntl
13h 22m
1 stop
LIS8:00 amLisbon Humberto Delgado
May 6
LIS5:00 amLisbon Humberto Delgado
18h 51m
2 stops
IAH5:51 pmHouston George Bush Intcntl
$786
Delta
Apr 22
IAH3:21 pmHouston George Bush Intcntl
17h 34m
2 stops
LIS2:55 pmLisbon Humberto Delgado
May 6
LIS5:00 amLisbon Humberto Delgado
18h 51m
2 stops
IAH5:51 pmHouston George Bush Intcntl
$791

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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 April 21, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 8/26

9:05 pm-3:45 pm

1 stop36h 40m

Lisbon Humberto Delgado

Fri 9/4

11:00 am-7:10 pm

1 stop38h 10m

$696

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 9/15

9:05 pm-3:35 pm

1 stop36h 30m

Lisbon Humberto Delgado

Tue 9/22

5:55 am-7:10 pm

1 stop19h 15m

$698

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 9/22

9:05 pm-9:50 am

1 stop30h 45m

Lisbon Humberto Delgado

Tue 9/29

5:55 am-7:10 pm

1 stop19h 15m

$724

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/7

9:05 pm-9:50 am

1 stop30h 45m

Lisbon Humberto Delgado

Mon 10/12

5:55 am-7:10 pm

1 stop19h 15m

$733

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 9/17

9:05 pm-3:35 pm

1 stop36h 30m

Lisbon Humberto Delgado

Thu 9/24

5:55 am-12:45 pm

1 stop36h 50m

$739
Quickest round-trip

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 9/24

9:05 pm-11:20 pm

1 stop20h 15m

Lisbon Humberto Delgado

Mon 9/28

5:55 am-7:10 pm

1 stop19h 15m

$741

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 9/17

9:05 pm-3:35 pm

1 stop36h 30m

Lisbon Humberto Delgado

Thu 9/24

10:50 am-7:10 pm

1 stop38h 20m

$742

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 9/14

9:05 pm-3:40 pm

1 stop36h 35m

Lisbon Humberto Delgado

Sun 9/20

4:50 pm-12:45 pm

1 stop25h 55m

$752

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 9/26

9:05 pm-3:35 pm

1 stop36h 30m

Lisbon Humberto Delgado

Tue 10/6

10:55 am-7:10 pm

1 stop38h 15m

$764

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 9/23

9:05 pm-11:45 pm

1 stop20h 40m

Lisbon Humberto Delgado

Wed 10/7

10:55 am-7:10 pm

1 stop38h 15m

$766

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?

What is the cheapest month to fly to Lisbon?

In general, November 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 $620. If you are unable to visit Lisbon during the month of November, then departing from Houston George Bush Intcntl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $705.

How far in advance should I book a flight 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 $862 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 $660 on momondo.

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

As of April 2026, prices for Houston George Bush Intcntl Airport to Lisbon flights are approximately 35% 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

Fastest flight time

17h 02m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Lisbon takes 17h 02m
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 17h 02m 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 $540Free CancellationRating
7.4
1,578 reviews
Search Air France flights
KLMPriceFrom $541Free CancellationRating
7.8
1,501 reviews
Search KLM flights
DeltaPriceFrom $541Free CancellationRating
7.9
8,433 reviews
Search Delta flights
United AirlinesPriceFrom $577Free CancellationRating
7.4
9,613 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $621Free CancellationRating
7.4
4,321 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $628Free CancellationRating
6.7
7,903 reviews
Search British Airways flights
Air CanadaPriceFrom $646Free CancellationRating
7.1
10,950 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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