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Portugal

$877+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — LIS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Dayton to Portugal

Keep the following information in mind while searching for Dayton to Portugal flight deals. Data was last updated junio 12, 2025.

Round-trip from

$924
(United Airlines)

One-way from

$877
(Delta)

Popular in

May

Cheapest in

February

Average price

$1,381
From Dayton to Portugal
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One-way flight from Dayton to Portugal
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Highest demand for flights based on searches. 18% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/92:52 pmDAY - OPO
2 stops13h 53mUnited Airlines
mar. 7/2212:50 pmOPO - DAY
2 stops30h 26mUnited Airlines
Deal found 6/9$924
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/1010:26 amDAY - LIS
2 stops19h 39mUnited Airlines
jue. 7/1712:55 pmLIS - DAY
2 stops29h 23mUnited Airlines
Deal found 6/10$937
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/1012:50 pmDAY - LIS
2 stops29h 15mBritish Airways
jue. 7/176:40 pmLIS - DAY
2 stops32h 13mBritish Airways
Deal found 6/10$997
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/106:50 amDAY - LIS
1 stop21h 15mAmerican Airlines
jue. 7/1711:05 amLIS - DAY
1 stop15h 48mAmerican Airlines
Deal found 6/10$1,038
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/411:16 amDAY - OPO
2 stops23h 19mDelta
mar. 7/296:35 amOPO - DAY
2 stops22h 38mDelta
Deal found 6/12$1,116
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/52:00 pmDAY - OPO
2 stops27h 45mLufthansa
mié. 7/3012:05 pmOPO - DAY
2 stops16h 53mLufthansa
Deal found 6/12$1,319
This Brussels 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/42:52 pmDAY - OPO
2 stops16h 13mBrussels Airlines
mié. 7/304:50 pmOPO - DAY
2 stops31h 09mBrussels Airlines
Deal found 6/12$1,479
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/252:52 pmDAY - LIS
3 stops24h 13mMultiple Airlines
vie. 8/16:00 amLIS - DAY
3 stops22h 58mMultiple Airlines
Deal found 6/10$1,599
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/512:50 pmDAY - OPO
2 stops22h 05mBritish Airways
jue. 7/318:15 amOPO - DAY
2 stops18h 38mBritish Airways
Deal found 6/12$1,610

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 junio 12, 2025.
Use the filters below to find and compare flights from Dayton to Portugal that are best for you.

Fly from

Dayton

Fly to

Portugal

Route

Depart

Return

Price

DaytonPorto

DAY - OPO

DAYOPO

Dayton

mié. 7/9

2:52 pm-9:45 am

2 stops13h 53m

Porto

mar. 7/22

12:50 pm-2:16 pm

2 stops30h 26m

$924

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

jue. 7/10

10:26 am-11:05 am

2 stops19h 39m

Lisbon Humberto Delgado

jue. 7/17

12:55 pm-1:18 pm

2 stops29h 23m

$937

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

jue. 7/10

12:50 pm-11:05 pm

2 stops29h 15m

Lisbon Humberto Delgado

jue. 7/17

6:40 pm-9:53 pm

2 stops32h 13m

$997

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

jue. 7/10

6:50 am-9:05 am

1 stop21h 15m

Lisbon Humberto Delgado

jue. 7/17

11:05 am-9:53 pm

1 stop15h 48m

$1,038

DaytonPorto

DAY - OPO

DAYOPO

Dayton

vie. 7/4

11:16 am-3:35 pm

2 stops23h 19m

Porto

mar. 7/29

6:35 am-12:13 am

2 stops22h 38m

$1,116

DaytonPorto

DAY - OPO

DAYOPO

Dayton

sáb. 7/5

2:00 pm-10:45 pm

2 stops27h 45m

Porto

mié. 7/30

12:05 pm-11:58 pm

2 stops16h 53m

$1,319

DaytonPorto

DAY - OPO

DAYOPO

Dayton

vie. 7/4

2:52 pm-12:05 pm

2 stops16h 13m

Porto

mié. 7/30

4:50 pm-6:59 pm

2 stops31h 09m

$1,479

DaytonLisbon

DAY - LIS

DAYLIS

Dayton

vie. 7/25

2:52 pm-8:05 pm

3 stops24h 13m

Lisbon Humberto Delgado

vie. 8/1

6:00 am-11:58 pm

3 stops22h 58m

$1,599

DaytonPorto

DAY - OPO

DAYOPO

Dayton

sáb. 7/5

12:50 pm-3:55 pm

2 stops22h 05m

Porto

jue. 7/31

8:15 am-9:53 pm

2 stops18h 38m

$1,610

DaytonPorto

DAY - OPO

DAYOPO

Dayton

lun. 6/23

11:16 am-10:40 am

2 stops18h 24m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

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

Currently, January is the cheapest month in which you can book a flight from Dayton to Portugal (average of $612). Flying from Dayton to Portugal in June is currently the most expensive (average of $1,136). 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.

What is the cheapest time of day to fly from DAY to PT?

Find hourly flight availability from Dayton to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Dayton to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Delta, Brussels Airlines and United Airlines from Dayton to Portugal by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,139 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Dayton to Portugal (average of $612). Flying from Dayton to Portugal in June is currently the most expensive (average of $1,136). 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

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Top airline flying from Dayton to Portugal

Discover the top airline that operate flights from Dayton to Portugal. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$575Average$815FlexibilityNo cancel feeOn-time69%

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