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Find cheap flights from Texas to Portugal from $305

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Texas to Portugal departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 7/8
Mon 7/15

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In the last 7 days travelers have searched 43,124,673 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$305
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Houston George Bush Airport to Lisbon

FAQs for booking flights from Texas to Portugal

  • How does KAYAK find such low prices on flights from Texas to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Texas to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Texas to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portugal from Texas is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Texas to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portugal with an airline and back to Texas with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Texas to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portugal from Texas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Texas to Portugal

Recent round-trip flight deals

11/20Wed
2 stops
25h 27mDFW-OPO
12/4Wed
1 stop
29h 55mOPO-DFW
$527
11/20Wed
2 stopsBritish Airways
25h 27mDFW-OPO
12/4Wed
2 stopsBritish Airways
34h 20mOPO-DFW
$532
8/13Tue
1 stopIberia
17h 10mDFW-OPO
9/17Tue
1 stopIberia
13h 40mOPO-DFW
$560
8/13Tue
2 stopsAmerican Airlines
15h 25mDFW-OPO
9/17Tue
1 stopAmerican Airlines
13h 40mOPO-DFW
$564
8/13Tue
2 stopsAmerican Airlines
19h 40mDFW-OPO
9/17Tue
2 stopsAmerican Airlines
26h 41mOPO-DFW
$574
9/29Sun
1 stopKLM
17h 45mDFW-OPO
10/17Thu
2 stopsKLM
20h 53mOPO-DFW
$587
10/21Mon
2 stopsDelta
18h 00mDFW-OPO
10/30Wed
2 stopsDelta
22h 41mOPO-DFW
$591
10/1Tue
2 stopsIberia
17h 07mDFW-OPO
10/10Thu
2 stopsIberia
30h 25mOPO-DFW
$599
10/19Sat
2 stopsDelta
20h 05mDFW-OPO
11/1Fri
2 stopsDelta
22h 41mOPO-DFW
$626
10/22Tue
2 stopsKLM
16h 39mDAL-OPO
10/31Thu
2 stopsKLM
19h 46mOPO-DAL
$639

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Recent one-way flight deals

8/2Fri
1 stop
31h 15mIAH-LIS
$305
7/15Mon
1 stop
23h 04mDFW-LIS
$310
7/29Mon
1 stopIberia
16h 15mDFW-LIS
$486
7/29Mon
2 stopsUnited Airlines
16h 35mDFW-LIS
$491
7/29Mon
2 stopsKLM
14h 33mDAL-LIS
$491
11/27Wed
2 stopsLufthansa
23h 29mAUS-LIS
$492
7/27Sat
2 stopsUnited Airlines
35h 22mDFW-LIS
$497
8/10Sat
2 stopsKLM
16h 48mDAL-LIS
$551
7/21Sun
1 stopIberia
13h 51mAUS-LIS
$639
8/11Sun
1 stopLufthansa
25h 15mIAH-OPO
$721

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Last minute flights from Texas to Portugal

Last minute flight, train and bus deals

6/9Sun
multi-stopUnited Airlines
15h 55mAUS-OPO
6/25Tue
multi-stopUnited Airlines
20h 25mOPO-AUS
$910
6/10Mon
multi-stop
20h 20mIAH-LIS
6/21Fri
multi-stop
16h 06mLIS-IAH
$920
6/10Mon
multi-stopBritish Airways
20h 25mIAH-LIS
6/20Thu
multi-stopBritish Airways
16h 39mLIS-IAH
$924
6/10Mon
multi-stopDelta
20h 00mHOU-LIS
6/21Fri
multi-stopDelta
18h 11mLIS-HOU
$934
6/10Mon
multi-stopAir France
20h 05mIAH-LIS
6/20Thu
multi-stopAir France
17h 49mLIS-IAH
$951
6/9Sun
multi-stopAir Canada
21h 45mIAH-OPO
6/16Sun
multi-stopAir Canada
30h 21mOPO-IAH
$978
6/10Mon
multi-stopDelta
20h 00mHOU-LIS
6/21Fri
multi-stopDelta
18h 11mLIS-HOU
$992
6/12Wed
multi-stopAir Canada
16h 40mAUS-LIS
6/19Wed
multi-stopAir Canada
28h 32mLIS-AUS
$996
6/10Mon
multi-stopAir France
20h 05mIAH-LIS
7/25Thu
multi-stopAir France
24h 45mLIS-IAH
$999
6/11Tue
multi-stopBritish Airways
20h 25mAUS-LIS
6/15Sat
multi-stopBritish Airways
28h 42mLIS-AUS
$1,709

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