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

Virgin Atlantic, British Airways, and Delta 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 56% 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 September 2026, there are 8 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.

$300 Cheap Flights from Houston to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

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5:23 pm - 10:30 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

23h 07m2 stops Chicago O'Hare Intl London Heathrow

6:45 pm - 2:05 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

25h 20m1 stop London Heathrow

$795British Airways

Sat, Mar 6 - Sat, Mar 13

12:26 pm - 9:05 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

14h 39m1 stop Philadelphia

12:55 pm - 8:55 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

37h 00m1 stop London Heathrow

$801British Airways

Thu, Oct 22 - Sun, Oct 25

11:55 am - 9:20 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

15h 25m1 stop Toronto Pearson Intl

8:55 am - 9:07 amLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

30h 12m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$802Air Canada

Thu, Nov 19 - Thu, Nov 26

10:36 am - 11:25 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

18h 49m2 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

$806Delta

Sat, Dec 5 - Sat, Jan 9

3:50 pm - 11:25 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

25h 35m2 stops London Heathrow Madrid Barajas

4:45 pm - 2:05 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

51h 20m2 stops Madrid Barajas London Heathrow

$807Iberia

Thu, Nov 19 - Sat, Nov 28

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 - 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

2:08 pm - 3:25 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

20h 17m2 stops Dallas/Fort Worth Helsinki-Vantaa

4:10 pm - 7:20 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

33h 10m2 stops Helsinki-Vantaa Dallas/Fort Worth

$808Finnair

Fri, Oct 30 - Tue, Nov 10

8:18 pm - 8:10 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

29h 52m1 stop Newark

11:20 am - 4:03 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

34h 43m1 stop Toronto Pearson Intl

$809United Airlines

Sun, Feb 28 - Sat, Mar 13

4:27 pm - 3:10 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

16h 43m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

11:30 am - 1:10 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

31h 40m1 stop Amsterdam Schiphol

$810Delta

Tue, Nov 24 - Tue, Dec 1

8:38 pm - 10:20 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

31h 42m1 stop Washington, D.C. Dulles Intl

11:20 am - 9:05 amLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

27h 45m1 stop Toronto Pearson Intl

$812United Airlines

Sun, Nov 22 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

6:50 pm - 1:55 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

13h 05m1 stop Miami

10:20 am - 7:03 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

14h 43m1 stop Miami

$1,133TAP AIR PORTUGAL

Sun, Sep 13 - Tue, Sep 22

6:10 pm - 8:25 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

20h 15m1 stop Rome Fiumicino

9:15 pm - 3:40 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

24h 25m1 stop Rome Fiumicino

$1,169Multiple Airlines

Fri, Sep 11 - Sun, Sep 20

11:00 am - 10:45 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

17h 45m2 stops Chicago O'Hare Intl Dublin

10:15 pm - 11:59 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

31h 44m2 stops Dublin Chicago O'Hare Intl

$1,172Aer Lingus

Sun, Sep 13 - Tue, Sep 22

2:42 pm - 5:50 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

21h 08m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:00 am - 1:20 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

14h 20m1 stop Amsterdam Schiphol

$1,214Delta

Sun, Sep 13 - Tue, Sep 22

8:10 am - 11:15 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

21h 05m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 1:20 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

14h 20m1 stop Amsterdam Schiphol

$1,284Delta

Fri, Sep 11 - Fri, Sep 18

9:44 am - 8:00 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

16h 16m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

7:45 pm - 1:20 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

23h 35m1 stop Amsterdam Schiphol

$1,285KLM

Fri, Sep 11 - Mon, Sep 21

9:05 pm - 11:10 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

20h 05m1 stop London Heathrow

6:45 pm - 1:25 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

24h 40m1 stop London Heathrow

$1,286British Airways

Sat, Sep 12 - Mon, Sep 21

12:41 pm - 10:55 amIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

16h 14m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

7:45 pm - 1:20 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

23h 35m1 stop Amsterdam Schiphol

$1,289KLM

Sat, Sep 12 - Mon, Sep 21

11:00 am - 2:55 pmHOU Houston Hobby-LIS Lisbon Humberto Delgado

21h 55m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:35 am - 10:39 pmLIS Lisbon Humberto Delgado-HOU Houston Hobby

23h 04m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$1,291Delta

Mon, Sep 14 - Mon, Sep 21

7:00 am - 11:10 pmIAH Houston George Bush Intcntl-LIS Lisbon Humberto Delgado

34h 10m2 stops Philadelphia London Heathrow

5:10 pm - 1:25 pmLIS Lisbon Humberto Delgado-IAH Houston George Bush Intcntl

26h 15m1 stop London Heathrow

$1,330British Airways

Sat, Sep 12 - Mon, Sep 21

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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

IAH8:18 pmHouston George Bush Intcntl

29h 52m

1 stop

LIS8:10 amLisbon Humberto Delgado

Mar 13

LIS11:20 amLisbon Humberto Delgado

34h 43m

1 stop

IAH4:03 pmHouston George Bush Intcntl

$809

United Airlines

Nov 22

IAH8:38 pmHouston George Bush Intcntl

31h 42m

1 stop

LIS10:20 amLisbon Humberto Delgado

Dec 1

LIS11:20 amLisbon Humberto Delgado

27h 45m

1 stop

IAH9:05 amHouston George Bush Intcntl

$812

United Airlines

Nov 18

IAH11:50 amHouston George Bush Intcntl

13h 05m

1 stop

LIS6:55 amLisbon Humberto Delgado

Nov 30

LIS12:25 pmLisbon Humberto Delgado

31h 35m

1 stop

IAH2:00 pmHouston George Bush Intcntl

$824

American Airlines flights from Houston to Lisbon

Our best American Airlines deals on Houston to Lisbon flight tickets

American Airlines

Jan 31

IAH9:09 amHouston George Bush Intcntl

17h 56m

2 stops

LIS9:05 amLisbon Humberto Delgado

Feb 9

LIS6:30 amLisbon Humberto Delgado

20h 42m

2 stops

IAH9:12 pmHouston George Bush Intcntl

$599

American Airlines

Oct 21

IAH10:35 amHouston George Bush Intcntl

16h 30m

2 stops

LIS9:05 amLisbon Humberto Delgado

Oct 28

LIS6:30 amLisbon Humberto Delgado

20h 59m

2 stops

IAH10:29 pmHouston George Bush Intcntl

$825

American Airlines

Oct 21

HOU11:41 amHouston Hobby

15h 24m

2 stops

LIS9:05 amLisbon Humberto Delgado

Oct 28

LIS7:05 amLisbon Humberto Delgado

18h 00m

2 stops

HOU8:05 pmHouston Hobby

$851

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sat 3/6

5:23 pm-10:30 pm

2 stops23h 07m

Lisbon Humberto Delgado

Sat 3/13

6:45 pm-2:05 pm

1 stop25h 20m

$795

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Thu 10/22

12:26 pm-9:05 am

1 stop14h 39m

Lisbon Humberto Delgado

Sun 10/25

12:55 pm-8:55 pm

1 stop37h 00m

$801

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Thu 11/19

11:55 am-9:20 am

1 stop15h 25m

Lisbon Humberto Delgado

Thu 11/26

8:55 am-9:07 am

2 stops30h 12m

$802

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sat 12/5

10:36 am-11:25 am

2 stops18h 49m

Lisbon Humberto Delgado

Sat 1/9

5:30 am-4:50 pm

1 stop17h 20m

$806

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Thu 11/19

3:50 pm-11:25 pm

2 stops25h 35m

Lisbon Humberto Delgado

Sat 11/28

4:45 pm-2:05 pm

2 stops51h 20m

$807

Quickest 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

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Fri 10/30

2:08 pm-3:25 pm

2 stops20h 17m

Lisbon Humberto Delgado

Tue 11/10

4:10 pm-7:20 pm

2 stops33h 10m

$808

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 2/28

8:18 pm-8:10 am

1 stop29h 52m

Lisbon Humberto Delgado

Sat 3/13

11:20 am-4:03 pm

1 stop34h 43m

$809

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Tue 11/24

4:27 pm-3:10 pm

2 stops16h 43m

Lisbon Humberto Delgado

Tue 12/1

11:30 am-1:10 pm

1 stop31h 40m

$810

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 11/22

8:38 pm-10:20 am

1 stop31h 42m

Lisbon Humberto Delgado

Tue 12/1

11:20 am-9:05 am

1 stop27h 45m

$812

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 $831 to $1,340.
The lowest price recently found on this route was $588.

What is the cheapest month to fly to Lisbon?

In general, April 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 $711. If you are unable to visit Lisbon during the month of April, then departing from Houston during the month January is also very affordable. Most momondo users find prices during this month for around $724.

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 $941 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 $636 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	$300
Fastest flight time	11h 25m
Direct flights	None

The best one-way flight to Lisbon from Houston in the past 72 hours is $300. The best round-trip flight deal from Houston to Lisbon found on momondo in the last 72 hours is $795.

The fastest flight from Houston to Lisbon takes 11h 25m

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 25m 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 September 2026, there are 8 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
Delta	PriceFrom $406	Free Cancellation	Rating 7.8 8,554 reviews	Search Delta flights
Air France	PriceFrom $512	Free Cancellation	Rating 7.5 1,649 reviews	Search Air France flights
Lufthansa	PriceFrom $529	Free Cancellation	Rating 6.8 8,216 reviews	Search Lufthansa flights
KLM	PriceFrom $541	Free Cancellation	Rating 7.8 1,573 reviews	Search KLM flights
Turkish Airlines	PriceFrom $552	Free Cancellation	Rating 7.4 4,474 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $559	Free Cancellation	Rating 6.7 8,210 reviews	Search British Airways flights
United Airlines	PriceFrom $575	Free Cancellation	Rating 7.4 10,190 reviews	Search United Airlines flights
Air Canada	PriceFrom $704	Free Cancellation	Rating 7.1 11,603 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 $300

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 10/5. 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

American Airlines flights from Houston to Lisbon

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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

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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

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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.

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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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