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Portugal

$414+ Cheap flights from Dayton (DAY) to Portugal

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LIS
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Cheap flight deals from Dayton to Portugal

Cheapest flights from Dayton to Portugal
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 June 17, 2026.

This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 12/611:39 am
DAY
-
OPO
2 stops16h 51m
United Airlines
Thu 12/106:00 am
OPO
-
DAY
2 stops19h 31m
United Airlines
Deal found 6/15$750
This British Airways deal was found by Cheapflights users on 6/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:54 pm
DAY
-
LIS
2 stops18h 46m
Multiple Airlines
Wed 11/186:30 am
LIS
-
DAY
2 stops19h 05m
Multiple Airlines
Deal found 6/15$762
This Expedia deal was found by Cheapflights users on 6/15. 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.
Wed 11/112:28 pm
DAY
-
LIS
2 stops16h 42m
British Airways
Wed 11/1811:05 am
LIS
-
DAY
1 stop14h 30m
British Airways
Deal found 6/15$763
This American Airlines deal was found by Cheapflights users on 6/15. 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 11/115:50 am
DAY
-
LIS
1 stop22h 15m
American Airlines
Wed 11/1811:05 am
LIS
-
DAY
1 stop14h 30m
American Airlines
Deal found 6/15$771
This Orbitz deal was found by Cheapflights users on 6/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:28 pm
DAY
-
LIS
2 stops37h 22m
Iberia
Tue 10/208:25 am
LIS
-
DAY
2 stops17h 23m
Iberia
Deal found 6/12$865
This Travelocity deal was found by Cheapflights users on 6/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:09 pm
DAY
-
LIS
2 stops23h 16m
Iberia
Mon 10/58:45 pm
LIS
-
DAY
2 stops29h 03m
Iberia
Deal found 6/12$871
This Air Canada deal was found by Cheapflights users on 6/16. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:15 am
DAY
-
OPO
2 stops18h 45m
Multiple Airlines
Wed 9/211:20 am
OPO
-
DAY
2 stops28h 40m
Multiple Airlines
Deal found 6/16$892
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/182:23 pm
DAY
-
OPO
2 stops14h 22m
United Airlines
Wed 9/211:20 am
OPO
-
DAY
2 stops28h 40m
United Airlines
Deal found 6/12$893
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 10/108:00 am
DAY
-
LIS
1 stop20h 05m
American Airlines
Thu 10/158:25 am
LIS
-
DAY
2 stops17h 23m
American Airlines
Deal found 6/12$912
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/107:33 pm
DAY
-
LIS
2 stops32h 47m
United Airlines
Tue 10/1311:25 am
LIS
-
DAY
2 stops36h 33m
United Airlines
Deal found 6/12$915
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/1411:39 am
DAY
-
OPO
2 stops13h 36m
United Airlines
Wed 7/2211:20 am
OPO
-
DAY
2 stops28h 44m
United Airlines
Deal found 6/16$931
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/2110:22 am
DAY
-
LIS
1 stop19h 08m
United Airlines
Mon 10/57:25 am
LIS
-
DAY
2 stops55h 22m
United Airlines
Deal found 6/12$934

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 June 17, 2026.

Round-trip from

$750
(United Airlines)

One-way from

$414
(Expedia)
From Dayton to Portugal
Search Deals
One-way flight from Dayton to Portugal
Search Deals

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 2,558,603 searches. Data last updated June 17, 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

Price

Cheapest round-trip

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Sun 12/6

11:39 am-9:30 am

2 stops16h 51m

Porto

Thu 12/10

6:00 am-8:31 pm

2 stops19h 31m

$750

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

Wed 11/11

5:54 pm-5:40 pm

2 stops18h 46m

Lisbon Humberto Delgado

Wed 11/18

6:30 am-8:35 pm

2 stops19h 05m

$762

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

Wed 11/11

5:50 am-9:05 am

1 stop22h 15m

Lisbon Humberto Delgado

Wed 11/18

11:05 am-8:35 pm

1 stop14h 30m

$771

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Tue 8/18

7:15 am-7:00 am

2 stops18h 45m

Porto

Wed 9/2

11:20 am-11:00 am

2 stops28h 40m

$892

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Tue 8/18

2:23 pm-9:45 am

2 stops14h 22m

Porto

Wed 9/2

11:20 am-11:00 am

2 stops28h 40m

$893

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

Sat 10/10

8:00 am-9:05 am

1 stop20h 05m

Lisbon Humberto Delgado

Thu 10/15

8:25 am-8:48 pm

2 stops17h 23m

$912

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

Sat 10/10

7:33 pm-9:20 am

2 stops32h 47m

Lisbon Humberto Delgado

Tue 10/13

11:25 am-6:58 pm

2 stops36h 33m

$915

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Wed 7/15

11:39 am-6:55 am

2 stops14h 16m

Porto

Thu 7/23

6:00 am-7:01 pm

2 stops18h 01m

$945

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Mon 7/20

6:38 pm-3:25 pm

2 stops15h 47m

Porto

Tue 7/28

9:25 am-11:51 pm

2 stops19h 26m

$950

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Sun 7/19

6:38 pm-10:00 pm

2 stops22h 22m

Porto

Tue 7/28

9:25 am-11:51 pm

2 stops19h 26m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 22 resultsSorted by cheapest first
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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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Dayton to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dayton to Portugal?

    For a flight from Dayton to Portugal, you will be flying from Dayton. Dayton (DAY) is just 10.0 mi from the center of the city.

  • How long is the flight from Dayton to Portugal?

    A quick flight from Dayton to Portugal can take about 16h 51m. United Airlines provides one of the quickest options available for as low as $750. The distance between Dayton and Portugal is about 3829 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Dayton to Portugal?

    Most travelers choose Dayton - Lisbon Humberto Delgado, Dayton - Porto or Dayton - Ponta Delgada Nordela when deciding on the best route from Dayton to Portugal.

  • Can I find deals for flights from Dayton to Portugal that include hotel bookings?

    Yes. In addition to deals on Dayton to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dayton to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to Portugal.

  • Can I find deals for business class flights from Dayton to Portugal?

    Yes. Cheapflights offers flight deals from Dayton to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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