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$541+ Cheap flights from Dayton (DAY) 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — OPO
oct. 31 — nov. 71
ven. 10/31
ven. 11/7
1 adult, Economy
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Cheap flight deals from Dayton to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) 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 octobre 1, 2025.

Round-trip from

$541
(Delta)
From Dayton to Porto
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Find flight deals from Dayton to Porto

Cheapest flights from Dayton to Porto
Explore the most affordable flight options available from Dayton to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 1, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:00 amDAY - OPO
2 stops23h 30mDelta
mer. 12/311:15 amOPO - DAY
2 stops40h 56mDelta
Deal found 10/1$541
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/271:22 pmDAY - OPO
2 stops40h 08mDelta
mer. 12/311:15 amOPO - DAY
2 stops40h 56mDelta
Deal found 10/1$543
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/231:22 pmDAY - OPO
2 stops16h 08mDelta
mer. 12/311:15 amOPO - DAY
2 stops35h 32mDelta
Deal found 10/1$547
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:00 amDAY - OPO
2 stops23h 30mDelta
mar. 12/211:25 amOPO - DAY
2 stops40h 46mDelta
Deal found 10/1$560
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/271:22 pmDAY - OPO
2 stops40h 08mDelta
mar. 12/211:25 amOPO - DAY
2 stops40h 46mDelta
Deal found 10/1$561
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/246:34 pmDAY - OPO
2 stops34h 56mDelta
mar. 12/211:25 amOPO - DAY
2 stops40h 46mDelta
Deal found 10/1$565
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/231:22 pmDAY - OPO
2 stops16h 08mDelta
mar. 12/211:25 amOPO - DAY
2 stops40h 46mDelta
Deal found 10/1$566
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2511:19 amDAY - OPO
2 stops18h 11mDelta
lun. 12/111:25 amOPO - DAY
2 stops52h 09mDelta
Deal found 10/1$666
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/274:10 pmDAY - OPO
2 stops37h 20mDelta
lun. 12/111:25 amOPO - DAY
2 stops52h 09mDelta
Deal found 10/1$667
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/231:22 pmDAY - OPO
2 stops16h 08mDelta
lun. 12/111:25 amOPO - DAY
2 stops52h 09mDelta
Deal found 10/1$672
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/232:10 pmDAY - OPO
2 stops16h 30mLufthansa
dim. 11/304:15 pmOPO - DAY
2 stops53h 36mLufthansa
Deal found 10/1$1,079
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/251:22 pmDAY - OPO
2 stops16h 08mMultiple Airlines
dim. 11/304:10 pmOPO - DAY
2 stops30h 37mMultiple Airlines
Deal found 10/1$1,086

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton 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 2,558,603 searches. Data last updated octobre 1, 2025.
Use the filters below to find and compare flights from Dayton to Porto that are best for you.

Fly from

Dayton

Fly to

Porto

Route

Depart

Return

Price

DaytonPorto

DAY - OPO

DAYOPO

Dayton

ven. 3/27

6:00 am-3:25 pm

2 stops29h 25m

Porto

mar. 3/31

11:25 am-10:38 am

2 stops28h 13m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Best time to book a flight from Dayton to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto 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 Porto

What is the cheapest month to book a flight from Dayton to Porto?

Currently, January is the cheapest month in which you can book a flight from Dayton to Porto (average of $523). Flying from Dayton to Porto in June is currently the most expensive (average of $1,027). 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.

Related info for your journey

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

  • How long is the flight from Dayton to Porto?

    For as low as $897, Delta can have you in Porto from Dayton in 29h 25m. The distance from Dayton to Porto is about 3829 mi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Dayton to Porto?

    Currently, January is the cheapest month in which you can book a flight from Dayton to Porto (average of $523). Flying from Dayton to Porto in June is currently the most expensive (average of $1,027). 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.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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