$734+ Cheap flights from Dayton (DAY) to Portugal
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LIS
Nov 5 — Nov 121
Round-trip
1 adult, Economy
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Find cheap flights from Dayton to Portugal with Cheapflights
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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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Cheapest flights from Dayton to PortugalExplore the most affordable flight options available from Dayton to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2026.
Explore the most affordable flight options available from Dayton to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. 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 11/182:10 pm -
2 stops14h 20m
Wed 11/256:00 am -
2 stops18h 13m
Deal found 10/3![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/295:30 am -
2 stops24h 00m
Thu 11/56:00 am -
2 stops33h 04m
Deal found 10/1![United Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Mon 11/1611:24 am -
2 stops19h 21m
Mon 11/238:40 pm -
2 stops21h 25m
Deal found 10/2![American Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/197:55 pm -
2 stops31h 15m
Thu 11/2610:55 am -
2 stops41h 43m
Deal found 10/5![United Airlines logo]()
$905
This Iberia deal was found by Cheapflights users on 10/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:35 pm -
2 stops18h 15m
Thu 10/226:35 am -
2 stops22h 51m
Deal found 10/5![Iberia logo]()
$916
This FlightHub deal was found by Cheapflights users on 10/2. 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 10/136:19 pm -
2 stops23h 41m
Thu 10/227:20 am -
2 stops22h 06m
Deal found 10/2![British Airways logo]()
$947
This Ovago deal was found by Cheapflights users on 10/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:50 pm -
2 stops19h 00m
Thu 11/2612:20 pm -
1 stop30h 55m
Deal found 10/5![Lufthansa logo]()
$985
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/137:33 pm -
1 stop9h 57m
Thu 10/225:05 am -
2 stops18h 53m
Deal found 10/5![United Airlines logo]()
$992
This United Airlines deal was found by Cheapflights users on 10/1. 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 12/99:40 am -
2 stops18h 50m
Fri 12/1112:35 pm -
2 stops26h 40m
Deal found 10/1![United Airlines logo]()
$1,084
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Thu 10/292:50 pm -
3 stops27h 10m
Thu 11/57:50 pm -
3 stops32h 48m
Deal found 10/1![Multiple Airlines logo]()
$2,453
Best flights from Dayton to PortugalDiscover carefully curated flight deals from Dayton to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 6, 2026.
Discover carefully curated flight deals from Dayton to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 6, 2026.
This United Airlines deal was found by Cheapflights users on 10/3. 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 11/182:10 pm -
2 stops14h 20m
Wed 11/256:00 am -
2 stops18h 13m
Deal found 10/3![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/295:30 am -
2 stops24h 00m
Thu 11/56:00 am -
2 stops33h 04m
Deal found 10/1![United Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/1610:39 am -
1 stop18h 41m
Thu 11/198:55 am -
2 stops39h 18m
Deal found 10/1![United Airlines logo]()
$1,080
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Thu 10/292:50 pm -
3 stops27h 10m
Thu 11/57:50 pm -
3 stops32h 48m
Deal found 10/1![Multiple Airlines logo]()
$2,453
This United Airlines deal was found by Cheapflights users on 10/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:40 am -
2 stops18h 50m
Fri 12/1112:35 pm -
2 stops26h 40m
Deal found 10/4![United Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 10/5. 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 12/81:32 pm -
2 stops14h 58m
Fri 12/116:00 am -
2 stops22h 29m
Deal found 10/5![United Airlines logo]()
$1,084
Last-minute flights from Dayton to PortugalDiscover last-minute flight deals from Dayton to Portugal. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to Portugal. Data last updated October 6, 2026 and is based on user searches.
This Iberia deal was found by Cheapflights users on 10/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:35 pm -
2 stops18h 15m
Thu 10/226:35 am -
2 stops22h 51m
Deal found 10/5![Iberia logo]()
$916
This FlightHub deal was found by Cheapflights users on 10/2. 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 10/136:19 pm -
2 stops23h 41m
Thu 10/227:20 am -
2 stops22h 06m
Deal found 10/2![British Airways logo]()
$947
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/137:33 pm -
1 stop9h 57m
Thu 10/225:05 am -
2 stops18h 53m
Deal found 10/5![United Airlines logo]()
$992
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/295:30 am -
2 stops24h 00m
Thu 11/56:00 am -
2 stops33h 04m
Deal found 10/1![United Airlines logo]()
$760
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Thu 10/292:50 pm -
3 stops27h 10m
Thu 11/57:50 pm -
3 stops32h 48m
Deal found 10/1![Multiple Airlines logo]()
$2,453
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Mon 11/1611:24 am -
2 stops19h 21m
Mon 11/238:40 pm -
2 stops21h 25m
Deal found 10/2![American Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 10/3. 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 11/182:10 pm -
2 stops14h 20m
Wed 11/256:00 am -
2 stops18h 13m
Deal found 10/3![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/197:55 pm -
2 stops31h 15m
Thu 11/2610:55 am -
2 stops41h 43m
Deal found 10/5![United Airlines logo]()
$905
This Ovago deal was found by Cheapflights users on 10/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:50 pm -
2 stops19h 00m
Thu 11/2612:20 pm -
1 stop30h 55m
Deal found 10/5![Lufthansa logo]()
$985
Find flight deals from Dayton to Portugal
Keep the following information in mind while searching for Dayton to Portugal flight deals. Data was last updated October 6, 2026.
Round-trip from | $734 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Dayton to Portugal 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 October 6, 2026.
Use the filters below to find and compare flights from Dayton to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DaytonPorto
DAY Dayton - OPO Porto
DAYOPO
Dayton
Wed 11/18
2:10 pm-9:30 am
2 stops14h 20m
Porto
Wed 11/25
6:00 am-7:13 pm
2 stops18h 13m
$734
DaytonPorto
DAY Dayton - OPO Porto
DAYOPO
Dayton
Thu 10/29
5:30 am-9:30 am
2 stops24h 00m
Porto
Thu 11/5
6:00 am-10:04 am
2 stops33h 04m
$760
DaytonLisbon
DAY Dayton - LIS Lisbon Humberto Delgado
DAYLIS
Dayton
Mon 11/16
10:39 am-10:20 am
1 stop18h 41m
Lisbon Humberto Delgado
Thu 11/19
8:55 am-7:13 pm
2 stops39h 18m
$1,080
DaytonPorto
DAY Dayton - OPO Porto
DAYOPO
Dayton
Wed 12/9
9:40 am-9:30 am
2 stops18h 50m
Porto
Fri 12/11
12:35 pm-10:15 am
2 stops26h 40m
$1,084
DaytonPorto
DAY Dayton - OPO Porto
DAYOPO
Dayton
Tue 12/8
1:32 pm-9:30 am
2 stops14h 58m
Porto
Fri 12/11
6:00 am-11:29 pm
2 stops22h 29m
$1,084
DaytonPorto
DAY Dayton - OPO Porto
DAYOPO
Dayton
Thu 10/29
2:50 pm-10:00 pm
3 stops27h 10m
Porto
Thu 11/5
7:50 pm-11:38 pm
3 stops32h 48m
$2,453
Sorted by cheapest first
Best time to book a flight from Dayton to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Dayton with our price prediction graph.
DAY-OPO
DAY-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 Dayton to Portugal
DAY-PT0
DAY-OPO
DAY-LIS
No data available for this route at this time. Please check back soon.
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