What is the cheapest airline that flies from Houston to Lisbon Humberto Delgado?

United Airlines and Aer Lingus are the most popular carriers operating from Houston to Lisbon Humberto Delgado

What airlines fly to Lisbon?

United Airlines, British Airways and Delta are the top three most popular airlines that fly to Lisbon from Houston according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 8 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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?

As of November 2026, there are 7 operators available to choose from 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.

$330 Cheap Flights from Houston to Lisbon in 2026/27

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11:55 am - 6:55 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 2:00 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

15h 00m1 stop Frankfurt am Main

$718Multiple Airlines

Wed, Mar 3 - Wed, Mar 10

11:55 am - 6:55 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 2:00 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

15h 00m1 stop Frankfurt am Main

$718Multiple Airlines

Wed, Feb 17 - Wed, Feb 24

4:10 pm - 3:00 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

16h 50m1 stop Frankfurt am Main

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

9:05 pm - 11:15 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

20h 10m1 stop London Heathrow

11:05 am - 8:38 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

15h 33m1 stop Philadelphia

$735British Airways

Wed, Apr 14 - Wed, Apr 21

11:55 am - 6:55 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

13h 00m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:15 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

19h 15m1 stop Frankfurt am Main

$739United Airlines

Sun, Feb 28 - Thu, Mar 4

8:40 am - 10:20 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

19h 40m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

5:00 am - 7:15 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

19h 15m1 stop Frankfurt am Main

$740United Airlines

Wed, Mar 10 - Thu, Mar 25

7:10 pm - 5:30 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

16h 20m1 stop Paris Charles de Gaulle

11:30 am - 2:05 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

31h 35m1 stop Amsterdam Schiphol

$741Delta

Mon, Mar 8 - Mon, Mar 22

7:10 pm - 3:10 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

14h 00m1 stop Paris Charles de Gaulle

11:30 am - 2:05 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

31h 35m1 stop Amsterdam Schiphol

$741Delta

Tue, Mar 9 - Mon, Mar 22

6:20 pm - 10:15 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

21h 55m2 stops Chicago O'Hare Intl Frankfurt am Main

5:05 am - 5:15 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

18h 10m2 stops Frankfurt am Main Dallas/Fort Worth

$746Lufthansa

Tue, Apr 20 - Tue, Apr 27

9:40 pm - 6:50 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

15h 10m1 stop London Heathrow

6:35 pm - 2:05 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

25h 30m1 stop London Heathrow

$774British Airways

Mon, Nov 30 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

7:30 am - 8:10 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

18h 40m1 stop Newark

5:00 am - 2:00 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

15h 00m1 stop Frankfurt am Main

$861United Airlines

Fri, Nov 6 - Thu, Nov 12

7:20 am - 8:10 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

18h 50m2 stops Chicago O'Hare Intl Newark

5:00 am - 2:00 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

15h 00m1 stop Frankfurt am Main

$866United Airlines

Fri, Nov 6 - Thu, Nov 12

6:48 pm - 10:50 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

22h 02m2 stops Chicago O'Hare Intl Frankfurt am Main

5:00 am - 9:07 amLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

34h 07m2 stops Frankfurt am Main Toronto Pearson Intl

$887Multiple Airlines

Fri, Nov 6 - Thu, Nov 12

8:38 pm - 10:05 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

31h 27m1 stop Washington, D.C. Dulles Intl

12:20 pm - 8:26 amLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

26h 06m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$895United Airlines

Sat, Nov 7 - Sun, Nov 15

7:10 pm - 5:30 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

16h 20m1 stop Paris Charles de Gaulle

5:30 am - 4:50 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

17h 20m1 stop Paris Charles de Gaulle

$919Delta

Sat, Nov 7 - Sun, Nov 15

7:10 pm - 10:25 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

21h 15m1 stop Paris Charles de Gaulle

5:30 am - 4:50 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

17h 20m1 stop Paris Charles de Gaulle

$919Air France

Sat, Nov 7 - Sun, Nov 15

2:22 pm - 5:30 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

21h 08m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:30 am - 4:50 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

17h 20m1 stop Paris Charles de Gaulle

$924Delta

Sat, Nov 7 - Sun, Nov 15

12:19 pm - 3:40 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

21h 21m3 stops Atlanta Hartsfield-Jackson Newark Porto

9:55 am - 1:54 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

33h 59m2 stops Miami Charlotte Douglas

$1,132Multiple Airlines

Fri, Nov 6 - Thu, Nov 12

3:50 pm - 10:30 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

24h 40m1 stop London Heathrow

7:05 am - 9:54 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

20h 49m2 stops London Heathrow Miami

$2,258British Airways

Fri, Nov 6 - Sun, Nov 15

3:50 pm - 2:55 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

17h 05m1 stop London Heathrow

6:50 pm - 7:20 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

30h 30m2 stops London Heathrow Dallas/Fort Worth

$2,496British Airways

Fri, Nov 6 - Sun, Nov 15

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United Airlines flights from Houston to Lisbon

Our best United Airlines deals on Houston to Lisbon flight tickets

United Airlines

Feb 28

IAH11:55 amHouston George Bush Intcntl

13h 00m

1 stop

LIS6:55 amLisbon Humberto Delgado

Mar 4

LIS5:00 amLisbon Humberto Delgado

19h 15m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$739

United Airlines

Mar 9

IAH11:00 amHouston George Bush Intcntl

15h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Mar 16

LIS5:00 amLisbon Humberto Delgado

19h 15m

1 stop

IAH7:15 pmHouston George Bush Intcntl

$740

United Airlines

Mar 7

IAH5:00 amHouston George Bush Intcntl

19h 55m

2 stops

LIS6:55 amLisbon Humberto Delgado

Mar 16

LIS5:00 amLisbon Humberto Delgado

19h 15m

1 stop

IAH7:15 pmHouston George Bush Intcntl

$744

Iberia flights from Houston to Lisbon

Our best Iberia deals on Houston to Lisbon flight tickets

Iberia

Feb 17

IAH12:02 pmHouston George Bush Intcntl

17h 48m

2 stops

LIS11:50 amLisbon Humberto Delgado

Feb 24

LIS6:30 amLisbon Humberto Delgado

22h 02m

2 stops

IAH10:32 pmHouston George Bush Intcntl

$742

Iberia

Nov 13

IAH2:32 pmHouston George Bush Intcntl

15h 18m

2 stops

LIS11:50 amLisbon Humberto Delgado

Nov 17

LIS8:20 amLisbon Humberto Delgado

17h 49m

2 stops

IAH8:09 pmHouston George Bush Intcntl

$1,154

Iberia

Nov 16

IAH3:50 pmHouston George Bush Intcntl

18h 15m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Nov 19

LIS8:20 amLisbon Humberto Delgado

17h 52m

2 stops

IAH8:12 pmHouston George Bush Intcntl

$1,485

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 3/3

11:55 am-6:55 am

1 stop13h 00m

Lisbon Humberto Delgado

Wed 3/10

5:00 am-2:00 pm

1 stop15h 00m

$718

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 2/17

11:55 am-6:55 am

1 stop13h 00m

Lisbon Humberto Delgado

Wed 2/24

5:00 am-2:00 pm

1 stop15h 00m

$718

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

Wed 4/14

9:05 pm-11:15 pm

1 stop20h 10m

Lisbon Humberto Delgado

Wed 4/21

11:05 am-8:38 pm

1 stop15h 33m

$735

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

Thu 3/4

5:00 am-6:15 pm

1 stop19h 15m

$739

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Wed 3/10

8:40 am-10:20 am

2 stops19h 40m

Lisbon Humberto Delgado

Thu 3/25

5:00 am-7:15 pm

1 stop19h 15m

$740

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 3/8

7:10 pm-5:30 pm

1 stop16h 20m

Lisbon Humberto Delgado

Mon 3/22

11:30 am-2:05 pm

1 stop31h 35m

$741

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 3/9

7:10 pm-3:10 pm

1 stop14h 00m

Lisbon Humberto Delgado

Mon 3/22

11:30 am-2:05 pm

1 stop31h 35m

$741

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 4/20

6:20 pm-10:15 pm

2 stops21h 55m

Lisbon Humberto Delgado

Tue 4/27

5:05 am-5:15 pm

2 stops18h 10m

$746

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Mon 11/30

9:40 pm-6:50 pm

1 stop15h 10m

Lisbon Humberto Delgado

Mon 12/7

6:35 pm-2:05 pm

1 stop25h 30m

$774

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between Houston and Lisbon?

Prices are currently low for flights on this route.

Typical prices usually range from $767 to $860.
The lowest price recently found on this route was $718.

What is the cheapest month to fly to Lisbon?

In general, January 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 $716. If you are unable to visit Lisbon during the month of January, then departing from Houston during the month April is also very affordable. Most momondo users find prices during this month for around $744.

How far in advance should I book a flight from Houston 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 $950 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 $804 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

Best Price Found	$330
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Lisbon from Houston in the past 72 hours is $330. The best round-trip flight deal from Houston to Lisbon found on momondo in the last 72 hours is $718.

The fastest flight from Houston to Lisbon takes 11h 50m

There are no direct flights from Houston to Lisbon. There are no popular flight routes from Houston to Lisbon.

Search flight deals

Frequently asked questions about flying from Houston to Lisbon

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 50m 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?
As of November 2026, there are 7 operators available to choose from 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 France	PriceFrom $512	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
Lufthansa	PriceFrom $529	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
KLM	PriceFrom $541	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Delta	PriceFrom $541	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
British Airways	PriceFrom $561	Free Cancellation	Rating 6.7 8,279 reviews	Search British Airways flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $621	Free Cancellation	Rating 7.4 4,463 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $704	Free Cancellation	Rating 7.1 11,847 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?

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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Cheap flights from Houston to Lisbon from $330

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 3/15. 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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United Airlines flights from Houston to Lisbon

Our best United Airlines deals on Houston to Lisbon flight tickets

Iberia flights from Houston to Lisbon

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See travel insights to Lisbon from

How to get the cheapest flight ticket from Houston to Lisbon

What is the typical price of a round-trip flight between Houston and Lisbon?

What is the cheapest month to fly to Lisbon?

How far in advance should I book a flight from Houston to Lisbon?

What is the cheapest airline that flies from Houston to Lisbon Humberto Delgado?

What airlines fly to Lisbon?

Cheap Houston to Lisbon flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Houston to Lisbon

Best airlines flying from Houston to Lisbon

Compare and see reviews for airlines that fly from Houston to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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