$436+ Cheap flights from Tucson (TUS) to Porto (OPO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — OPO
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Tucson to Porto 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
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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 Tucson to Porto
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Cheapest flights from Tucson to PortoExplore the most affordable flight options available from Tucson to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Tucson to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/75:37 pm -
2 stops32h 53m
Thu 12/36:00 am -
2 stops22h 42m
Deal found 9/7![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
2 stops21h 35m
Wed 12/211:15 am -
2 stops36h 42m
Deal found 9/7![Delta logo]()
$752
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:27 pm -
2 stops34h 48m
Wed 12/211:15 am -
2 stops36h 42m
Deal found 9/7![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:18 pm -
2 stops27h 12m
Wed 12/211:15 am -
2 stops36h 42m
Deal found 9/7![Delta logo]()
$807
This KAYAK deal was found by Cheapflights users on 9/7. 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.
Thu 11/1210:42 am -
2 stops19h 08m
Fri 12/46:15 am -
2 stops22h 27m
Deal found 9/7![Lufthansa logo]()
$811
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 11/1010:37 am -
2 stops15h 53m
Tue 12/16:00 am -
2 stops22h 42m
Deal found 9/7![United Airlines logo]()
$812
This Air France deal was found by Cheapflights users on 9/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:46 am -
2 stops17h 29m
Tue 12/15:00 am -
2 stops19h 11m
Deal found 9/7![Multiple Airlines logo]()
$818
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:30 pm -
2 stops17h 50m
Tue 12/16:00 am -
2 stops22h 42m
Deal found 9/7![Lufthansa logo]()
$819
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:05 am -
2 stops24h 20m
Tue 12/15:00 am -
2 stops24h 39m
Deal found 9/7![Delta logo]()
$822
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/75:37 pm -
2 stops32h 53m
Tue 12/112:35 pm -
2 stops30h 25m
Deal found 9/7![United Airlines logo]()
$837
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:01 pm -
2 stops24h 29m
Tue 12/15:00 am -
2 stops25h 07m
Deal found 9/7![Delta logo]()
$872
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:35 am -
2 stops17h 40m
Mon 11/3010:15 am -
2 stops32h 51m
Deal found 9/7![Delta logo]()
$885
Best flights from Tucson to PortoDiscover carefully curated flight deals from Tucson to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Tucson to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 11/97:30 am -
2 stops19h 00m
Thu 12/36:00 am -
2 stops24h 06m
Deal found 9/7![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:46 am -
2 stops31h 14m
Wed 12/211:15 am -
2 stops42h 24m
Deal found 9/7![Delta logo]()
$752
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/75:37 pm -
2 stops32h 53m
Thu 12/36:00 am -
2 stops22h 42m
Deal found 9/7![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
2 stops21h 35m
Wed 12/211:15 am -
2 stops36h 42m
Deal found 9/7![Delta logo]()
$752
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:18 pm -
2 stops27h 12m
Wed 12/211:15 am -
2 stops36h 42m
Deal found 9/7![Delta logo]()
$807
This Delta deal was found by Cheapflights users on 9/6. 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 10/76:40 am -
2 stops24h 45m
Tue 10/135:00 am -
2 stops23h 53m
Deal found 9/6![Delta logo]()
$992
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:06 am -
2 stops21h 14m
Tue 10/1312:15 pm -
3 stops40h 55m
Deal found 9/6![United Airlines logo]()
$1,237
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
2 stops26h 25m
Sun 11/2911:15 am -
2 stops33h 36m
Deal found 9/7![Delta logo]()
$1,152
Last-minute flights from Tucson to PortoDiscover last-minute flight deals from Tucson to Porto. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to Porto. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/6. 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 10/76:40 am -
2 stops24h 45m
Tue 10/135:00 am -
2 stops23h 53m
Deal found 9/6![Delta logo]()
$992
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:06 am -
2 stops21h 14m
Tue 10/1312:15 pm -
3 stops40h 55m
Deal found 9/6![United Airlines logo]()
$1,237
One-way flights from Tucson to PortoSearch for one-way flight options from Tucson to Porto. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Tucson to Porto. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/217:24 am -
3 stops51h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 9/4. 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 10/216:40 am -
2 stops19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$463
Find flight deals from Tucson to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to Porto (OPO). 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $751 (United Airlines) |
One-way from | $436 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Tucson to Porto 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 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Tucson to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Wed 10/21
7:24 am-6:45 pm
3 stops51h 21m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$436
Quickest round-trip
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Wed 10/21
6:40 am-10:30 am
2 stops19h 50m
Porto
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Mon 11/9
7:30 am-9:30 am
2 stops19h 00m
Porto
Thu 12/3
6:00 am-11:06 pm
2 stops24h 06m
$751
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Sat 11/7
5:37 pm-9:30 am
2 stops32h 53m
Porto
Thu 12/3
6:00 am-9:42 pm
2 stops22h 42m
$751
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Tue 11/10
7:46 am-10:00 pm
2 stops31h 14m
Porto
Wed 12/2
11:15 am-10:39 pm
2 stops42h 24m
$752
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Sun 11/8
6:00 am-10:35 am
2 stops21h 35m
Porto
Wed 12/2
11:15 am-4:57 pm
2 stops36h 42m
$752
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Fri 11/13
12:18 pm-10:30 pm
2 stops27h 12m
Porto
Wed 12/2
11:15 am-4:57 pm
2 stops36h 42m
$807
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Wed 10/7
6:40 am-3:25 pm
2 stops24h 45m
Porto
Tue 10/13
5:00 am-8:53 pm
2 stops23h 53m
$992
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Sun 11/8
6:00 am-3:25 pm
2 stops26h 25m
Porto
Sun 11/29
11:15 am-1:51 pm
2 stops33h 36m
$1,152
TucsonPorto
TUS Tucson - OPO Porto
TUSOPO
Tucson
Wed 10/7
6:06 am-11:20 am
2 stops21h 14m
Porto
Tue 10/13
12:15 pm-9:10 pm
3 stops40h 55m
$1,237
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Tucson-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Tucson-Porto 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 Tucson-Porto 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 Tucson to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Tucson with our price prediction graph.
TUS-OPO
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.
Related info for your journey
Find useful and relevant information for your journey from Tucson to Porto. 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 Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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