$295+ Cheap flights from George Bush Intcntl (IAH) to Lisbon (LIS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LIS
Apr 9 — Apr 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from George Bush Intcntl to Lisbon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from George Bush Intcntl to Lisbon
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to LisbonExplore the most affordable flight options available from George Bush Intcntl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:50 pm
IAH
- LIS
1 stop20h 00m
Multiple Airlines
Wed 4/223:35 pm
LIS
- IAH
1 stop27h 40m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$605
This KLM deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:50 am
IAH
- LIS
2 stops14h 10m
KLM
Thu 11/193:30 pm
LIS
- IAH
1 stop28h 00m
KLM
Deal found 3/5![KLM logo]()
$610
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:05 pm
IAH
- LIS
1 stop20h 10m
American Airlines
Wed 5/66:35 am
LIS
- IAH
2 stops16h 46m
American Airlines
Deal found 3/5![American Airlines logo]()
$611
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:50 pm
IAH
- LIS
1 stop20h 00m
Air France
Sat 4/186:50 pm
LIS
- IAH
1 stop24h 45m
Air France
Deal found 3/5![Air France logo]()
$612
This FlightHub deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:50 am
IAH
- LIS
2 stops39h 10m
Scandinavian Airlines
Thu 11/1912:55 pm
LIS
- IAH
2 stops41h 03m
Scandinavian Airlines
Deal found 3/6![Scandinavian Airlines logo]()
$613
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:50 pm
IAH
- LIS
1 stop20h 00m
Air France
Wed 4/2212:45 pm
LIS
- IAH
2 stops17h 14m
Air France
Deal found 3/5![Air France logo]()
$621
This Cheapflightsfares deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 pm
IAH
- LIS
1 stop14h 55m
British Airways
Wed 5/67:20 am
LIS
- IAH
1 stop17h 55m
British Airways
Deal found 3/5![British Airways logo]()
$624
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:05 pm
IAH
- LIS
1 stop19h 25m
Multiple Airlines
Tue 3/313:35 pm
LIS
- IAH
1 stop27h 40m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:15 pm
IAH
- LIS
2 stops16h 05m
Delta
Thu 11/195:30 am
LIS
- IAH
2 stops21h 40m
Delta
Deal found 3/5![Delta logo]()
$626
This Finnair deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:45 pm
IAH
- LIS
2 stops20h 05m
Finnair
Wed 5/66:35 am
LIS
- IAH
2 stops23h 13m
Finnair
Deal found 3/5![Finnair logo]()
$632
This FlightHub deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:50 am
IAH
- LIS
2 stops39h 10m
Scandinavian Airlines
Mon 11/166:45 am
LIS
- IAH
2 stops23h 13m
Scandinavian Airlines
Deal found 3/9![Scandinavian Airlines logo]()
$643
This KAYAK deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:15 pm
IAH
- LIS
2 stops37h 50m
Scandinavian Airlines
Tue 11/312:50 pm
LIS
- IAH
2 stops41h 08m
Scandinavian Airlines
Deal found 3/7![Scandinavian Airlines logo]()
$647
Best flights from George Bush Intcntl to LisbonDiscover carefully curated flight deals from George Bush Intcntl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Finnair deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:45 pm
IAH
- LIS
2 stops20h 05m
Finnair
Wed 5/66:35 am
LIS
- IAH
2 stops23h 13m
Finnair
Deal found 3/5![Finnair logo]()
$632
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:35 pm
IAH
- LIS
2 stops32h 35m
United Airlines
Tue 3/315:05 am
LIS
- IAH
2 stops21h 05m
United Airlines
Deal found 3/5![United Airlines logo]()
$849
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
IAH
- LIS
2 stops19h 50m
Delta
Wed 4/229:50 am
LIS
- IAH
2 stops19h 04m
Delta
Deal found 3/6![Delta logo]()
$894
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:50 am
IAH
- LIS
1 stop16h 25m
TAP AIR PORTUGAL
Mon 6/225:00 pm
LIS
- IAH
1 stop23h 59m
TAP AIR PORTUGAL
Deal found 3/9![TAP AIR PORTUGAL logo]()
$1,296
This Turkish Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:05 pm
IAH
- LIS
1 stop20h 15m
Turkish Airlines
Sat 8/15:55 am
LIS
- IAH
1 stop19h 15m
Turkish Airlines
Deal found 3/9![Turkish Airlines logo]()
$1,418
This Finnair deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:45 pm
IAH
- LIS
2 stops20h 05m
Finnair
Fri 5/86:35 am
LIS
- IAH
2 stops23h 13m
Finnair
Deal found 3/8![Finnair logo]()
$857
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:07 am
IAH
- LIS
2 stops18h 28m
United Airlines
Sat 5/211:25 am
LIS
- IAH
2 stops32h 12m
United Airlines
Deal found 3/8![United Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:20 am
IAH
- LIS
1 stop21h 40m
United Airlines
Thu 5/286:15 am
LIS
- IAH
1 stop16h 15m
United Airlines
Deal found 3/5![United Airlines logo]()
$934
This Finnair deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:45 pm
IAH
- LIS
2 stops20h 05m
Finnair
Mon 5/116:45 pm
LIS
- IAH
2 stops35h 03m
Finnair
Deal found 3/7![Finnair logo]()
$1,048
This Finnair deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:45 pm
IAH
- LIS
2 stops20h 05m
Finnair
Mon 5/116:45 pm
LIS
- IAH
2 stops35h 03m
Finnair
Deal found 3/6![Finnair logo]()
$1,053
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:50 am
IAH
- LIS
1 stop16h 25m
TAP AIR PORTUGAL
Mon 6/1512:15 pm
LIS
- IAH
1 stop17h 28m
TAP AIR PORTUGAL
Deal found 3/8![TAP AIR PORTUGAL logo]()
$1,424
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:00 am
IAH
- LIS
1 stop17h 20m
United Airlines
Tue 5/197:25 am
LIS
- IAH
1 stop16h 35m
United Airlines
Deal found 3/7![United Airlines logo]()
$1,204
Last-minute flights from George Bush Intcntl to LisbonDiscover last-minute flight deals from George Bush Intcntl to Lisbon. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Lisbon. Data last updated March 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2210:05 pm
IAH
- LIS
1 stop30h 55m
Turkish Airlines
Tue 4/75:55 am
LIS
- IAH
1 stop19h 15m
Turkish Airlines
Deal found 3/9![Turkish Airlines logo]()
$649
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:05 pm
IAH
- LIS
1 stop19h 25m
Multiple Airlines
Tue 3/313:35 pm
LIS
- IAH
1 stop27h 40m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$625
This FlightHub deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:05 pm
IAH
- LIS
1 stop36h 00m
Turkish Airlines
Tue 4/710:55 am
LIS
- IAH
1 stop31h 50m
Turkish Airlines
Deal found 3/5![Turkish Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:30 pm
IAH
- LIS
1 stop19h 05m
Turkish Airlines
Wed 4/2210:55 am
LIS
- IAH
1 stop38h 15m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$655
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:50 pm
IAH
- LIS
1 stop20h 00m
Multiple Airlines
Wed 4/223:35 pm
LIS
- IAH
1 stop27h 40m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$605
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:50 pm
IAH
- LIS
1 stop20h 00m
Air France
Sat 4/186:50 pm
LIS
- IAH
1 stop24h 45m
Air France
Deal found 3/5![Air France logo]()
$612
This Air France deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:50 pm
IAH
- LIS
1 stop20h 00m
Air France
Wed 4/2212:45 pm
LIS
- IAH
2 stops17h 14m
Air France
Deal found 3/5![Air France logo]()
$621
This Expedia deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:50 am
IAH
- LIS
2 stops28h 25m
Multiple Airlines
Sun 4/1911:25 am
LIS
- IAH
1 stop15h 04m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$643
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:05 pm
IAH
- LIS
1 stop20h 10m
American Airlines
Wed 5/66:35 am
LIS
- IAH
2 stops16h 46m
American Airlines
Deal found 3/5![American Airlines logo]()
$611
This Finnair deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:45 pm
IAH
- LIS
2 stops20h 05m
Finnair
Wed 5/66:35 am
LIS
- IAH
2 stops23h 13m
Finnair
Deal found 3/5![Finnair logo]()
$632
This Cheapflightsfares deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:00 pm
IAH
- LIS
1 stop14h 55m
British Airways
Wed 5/67:20 am
LIS
- IAH
1 stop17h 55m
British Airways
Deal found 3/5![British Airways logo]()
$624
One-way flights from George Bush Intcntl to LisbonSearch for one-way flight options from George Bush Intcntl to Lisbon. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from George Bush Intcntl to Lisbon. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:29 pm
IAH
- LIS
3 stops26h 31m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:46 pm
IAH
- LIS
3 stops39h 19m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:27 am
IAH
- LIS
3 stops55h 33m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$312
This Trip.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:30 pm
IAH
- LIS
2 stops23h 05m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:46 am
IAH
- LIS
3 stops53h 54m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:29 pm
IAH
- LIS
2 stops47h 16m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
IAH
- LIS
3 stops42h 50m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:27 pm
IAH
- LIS
3 stops39h 03m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:03 pm
IAH
- LIS
3 stops58h 27m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$362
Find flight deals from George Bush Intcntl to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $605 (Air France) |
One-way from | $295 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $750 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl 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, Cheapflights users made 2,558,603 searches. Data last updated March 10, 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
Cheapest round-trip
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Wed 4/22
1:45 pm-3:50 pm
2 stops20h 05m
Lisbon Humberto Delgado
Wed 5/6
6:35 am-11:48 pm
2 stops23h 13m
$632
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Mon 3/23
6:35 pm-8:10 am
2 stops32h 35m
Lisbon Humberto Delgado
Tue 3/31
5:05 am-8:10 pm
2 stops21h 05m
$849
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Fri 5/1
1:45 pm-3:50 pm
2 stops20h 05m
Lisbon Humberto Delgado
Fri 5/8
6:35 am-11:48 pm
2 stops23h 13m
$857
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Wed 4/1
7:00 am-8:50 am
2 stops19h 50m
Lisbon Humberto Delgado
Wed 4/22
9:50 am-10:54 pm
2 stops19h 04m
$894
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Sat 4/25
10:07 am-10:35 am
2 stops18h 28m
Lisbon Humberto Delgado
Sat 5/2
11:25 am-1:37 pm
2 stops32h 12m
$911
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Tue 5/19
7:20 am-11:00 am
1 stop21h 40m
Lisbon Humberto Delgado
Thu 5/28
6:15 am-4:30 pm
1 stop16h 15m
$934
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Wed 5/6
1:45 pm-3:50 pm
2 stops20h 05m
Lisbon Humberto Delgado
Mon 5/11
6:45 pm-11:48 pm
2 stops35h 03m
$1,048
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Fri 5/1
1:45 pm-3:50 pm
2 stops20h 05m
Lisbon Humberto Delgado
Mon 5/11
6:45 pm-11:48 pm
2 stops35h 03m
$1,053
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Thu 5/14
10:00 am-9:20 am
1 stop17h 20m
Lisbon Humberto Delgado
Tue 5/19
7:25 am-6:00 pm
1 stop16h 35m
$1,204
HoustonLisbon
IAH - LIS
IAHLIS
Houston George Bush Intcntl
Thu 6/11
11:50 am-10:15 am
1 stop16h 25m
Lisbon Humberto Delgado
Mon 6/22
5:00 pm-10:59 am
1 stop23h 59m
$1,296
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Lisbon in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from George Bush Intcntl with our price prediction graph.
IAH-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston George Bush Intcntl Airport to Lisbon
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Lisbon?
Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Lisbon. Price data was last updated on March 6, 2026.
The price you pay for your flight from Houston George Bush Intcntl Airport to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Lisbon (average of $539). Flying from Houston George Bush Intcntl Airport to Lisbon in June is currently the most expensive (average of $1,128). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Lisbon, such as Delta,Air France, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Lisbon flight routes
Other flight options
Other flights from George Bush Intcntl
Popular flights
Alternative routes for George Bush Intcntl to Lisbon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Lisbon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from George Bush Intcntl to Lisbon by cabin class
Find flights from George Bush Intcntl to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Lisbon
Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
George Bush Intcntl and Lisbon flights
Browse other George Bush Intcntl and Lisbon flight options. Last updated on March 10, 2026.
Other flights from George Bush Intcntl
Browse through other flights departing from George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from George Bush Intcntl to Lisbon
Discover the top 7 airlines that operate flights from George Bush Intcntl to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$540 | Average$826 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$541 | Average$1,120 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$753 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$559 | Average$1,003 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$583 | Average$913 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$621 | Average$734 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$695 | Average$954 | FlexibilityNo cancel fee | On-time67% |