$603 Cheap United flights from Houston to Lisbon (IAH to LIS)

Find The Best Day To Fly from Houston to Lisbon

Amazing United IAH to LIS Flight Deals

The cheapest flights to Humberto Delgado found within the past 7 days were $631 round trip and $603 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Jan 16 - Thu, Jan 22
IAH
Houston
LIS
Lisbon
$631 Roundtrip, found 1 day ago
$631
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 16 from Houston to Lisbon, returning Thu, Jan 22, priced at $631 found 1 day ago

LIS From IAH Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Casas de São Bento

Casas de São Bento

4 out of 5
Price was $1,657, price is now $891 per person
$891
per person
Feb 23 - Feb 26
found 7 hours ago
Roundtrip non-stop flight included
Houston (IAH) to Lisbon (LIS)
Aurea Museum by Eurostars Hotel Company

Aurea Museum by Eurostars Hotel Company

5 out of 5
Price was $1,997, price is now $1,067 per person
$1,067
per person
Feb 23 - Feb 26
found 7 hours ago
Roundtrip non-stop flight included
Houston (IAH) to Lisbon (LIS)
Eurostars Lisboa Baixa

Eurostars Lisboa Baixa

4 out of 5
Price was $1,838, price is now $985 per person
$985
per person
Feb 23 - Feb 26
found 7 hours ago
Roundtrip non-stop flight included
Houston (IAH) to Lisbon (LIS)
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Frequently asked questions

Can I catch a flight from Houston Airport to Lisbon Airport right now?
Ensure you visit our Covid-19 Travel Advisor to discover if there are any current quarantine requirements and travel advice reports in effect in Lisbon/Portela Airport when flying from Houston Airport.
What terminal is United Airlines at Houston Airport?
Once you're issued with the boarding pass for your United Airlines flight from IAH to Lisbon/Portela Airport, you should be able to see which terminals you'll be jetting in and out of. Your carrier will have the answers if those details are missing from your ticket.
Are there United Airlines non-stop flights from IAH to LIS?
United Airlines doesn't offer direct flights between George Bush Intercontinental Airport (IAH) and LIS, so plan on making a stopover. If you have time to spare between flights, hit the airport shops while you wait for your connection.
How long is a United Airlines flight from IAH to LIS?
Wander wisely from the minute you step on the plane. With a United Airlines flight from George Bush Intercontinental Airport (IAH) to Humberto Delgado Airport (LIS) taking an average of 10 hours and 36 minutes, you should have a few survival tricks to rely on. A neck pillow, toiletries and an eye mask should be among the basics in your hand luggage.
How many direct and indirect flights does United Airlines fly from IAH to LIS?
Approximately 7 United Airlines flights link IAH and LIS per week.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lisbon Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Houston IAH to Lisbon LIS 

To find the best deals on flights to Houston from Lisbon with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Houston IAH to Lisbon LIS with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $631 to $631, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Houston IAH to Lisbon LIS 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Houston to Lisbon costs from $603. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Lisbon LIS from  Houston IAH with United 

To find a cheap United flight from Houston IAH to Lisbon LIS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Houston IAH to Lisbon LIS 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as January, or if you book a flight with a stopover. 

 

Find nonstop flights from Houston IAH to Lisbon LIS with United 

If you’re keen to be on Lisbon soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Houston IAH to Lisbon LIS 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Lisbon LIS from  Houston IAH with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.