Athens

$223+ Cheap flights from Philadelphia (PHL) to Athens (ATH)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ATH
Oct 22 — Oct 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Athens 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Philadelphia to Athens Eleftherios V. are usually found in November or February, booked 20 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Philadelphia to Athens

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Athens (ATH). 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 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$663
(Ovago)

One-way from

$223
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,292

Good round-trip deal

$908 or less

Good one-way deal

$524 or less
Provider with most accurate pricing for Philadelphia-Athens Eleftherios V. flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Athens Eleftherios V. flights.
From Philadelphia to Athens Eleftherios V.
One-way flight from Philadelphia to Athens Eleftherios V.
Highest demand for flights based on searches. 23% potential increase in price ($324 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Philadelphia to Athens Eleftherios V..
Price to beat on a one-way flight from Philadelphia to Athens Eleftherios V..

Find flight deals from Philadelphia to Athens

Cheapest flights from Philadelphia to Athens
Explore the most affordable flight options available from Philadelphia to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:35 pmPHL - ATH
1 stop14h 20mBritish Airways
Mon 1/127:45 amATH - PHL
1 stop15h 30mBritish Airways
Deal found 9/21$663
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Tue 10/286:40 pmPHL - ATH
2 stops21h 40mMultiple Airlines
Mon 11/33:50 pmATH - PHL
2 stops31h 15mMultiple Airlines
Deal found 9/20$705
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Wed 10/221:58 pmPHL - ATH
2 stops22h 47mMultiple Airlines
Wed 10/299:15 amATH - PHL
3 stops29h 37mMultiple Airlines
Deal found 9/20$732
This Mytrip deal was found by Cheapflights users on 9/21. 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.
Wed 11/53:30 pmPHL - ATH
2 stops21h 20mMultiple Airlines
Wed 11/126:05 amATH - PHL
3 stops23h 51mMultiple Airlines
Deal found 9/21$759
This Ovago deal was found by Cheapflights users on 9/20. 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.
Sun 10/126:55 amPHL - ATH
2 stops28h 55mScandinavian Airlines
Mon 10/272:10 pmATH - PHL
2 stops40h 42mScandinavian Airlines
Deal found 9/20$769
This United Airlines deal was found by Cheapflights users on 9/20. 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 11/123:30 pmPHL - ATH
1 stop13h 05mUnited Airlines
Wed 11/1911:55 amATH - PHL
2 stops42h 08mUnited Airlines
Deal found 9/20$771
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:35 pmPHL - ATH
Nonstop9h 25mIberia
Wed 11/1912:50 pmATH - PHL
Nonstop11h 05mIberia
Deal found 9/20$776

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Athens 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 September 22, 2025.
Use the filters below to find and compare flights from Philadelphia to Athens that are best for you.

Fly from

Philadelphia

Fly to

Athens

Route

Depart

Return

Price

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Wed 11/12

6:00 am-11:35 am

2 stops22h 35m

Athens Eleftherios V.

Wed 11/19

11:55 am-11:03 pm

2 stops42h 08m

$775

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Mon 9/29

5:25 am-10:00 am

1 stop21h 35m

Athens Eleftherios V.

Tue 10/7

1:05 pm-9:32 pm

1 stop15h 27m

$838

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Mon 11/3

9:20 am-11:10 am

1 stop18h 50m

Athens Eleftherios V.

Wed 11/19

11:55 am-2:47 pm

1 stop33h 52m

$838

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Tue 9/30

3:00 pm-9:55 am

1 stop11h 55m

Athens Eleftherios V.

Thu 10/9

11:45 am-6:57 pm

1 stop14h 12m

$838

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Mon 9/29

7:30 am-11:10 am

1 stop20h 40m

Athens Eleftherios V.

Tue 10/21

6:40 am-4:00 pm

1 stop16h 20m

$840

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Mon 9/29

5:35 pm-1:15 pm

1 stop12h 40m

Athens Eleftherios V.

Tue 10/21

6:40 am-4:00 pm

1 stop16h 20m

$845

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Sun 9/28

6:25 pm-10:00 am

1 stop32h 35m

Athens Eleftherios V.

Tue 10/7

1:05 pm-9:32 pm

1 stop15h 27m

$846

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Sun 10/19

5:20 am-1:00 pm

2 stops48h 40m

$237

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Mon 10/6

3:07 pm-1:00 pm

2 stops38h 53m

$241

PhiladelphiaAthens

PHL - ATH

PHLATH

Philadelphia

Mon 10/13

5:05 am-10:40 pm

3 stops34h 35m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/21

Showing 1-10 of 18 results
1
2

Compare providers for flights from Philadelphia to Athens

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Athens in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Athens flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Athens flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Athens flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Athens 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 Philadelphia-Athens flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Philadelphia to Athens flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Athens trip
Airlines
British Airways

BA's Club Suite offers solo pods with doors for privacy on select aircraft.


World Traveller Plus offers extra seat width and legroom, ideal for long-haul comfort.

Finnair

Finnair's AirLounge seats offer a cocooning lounge space, perfect for long-haul comfort.


Premium economy features 38-inch pitch and comfy leg rests for enhanced long-haul comfort.

Read more about Finnairby Duncan Madden
Airports
PHL

For a smooth departure, use the inter-terminal shuttle bus linking Terminal F, C, and A every 10 minutes, avoiding long walks.

Read more about PHLby Mark Chesnut
ATH

Upon arrival at ATH, take the Athens Metro Blue Line for a 30-minute ride to Syntagma station in the city center.

Read more about ATHby Brandon Schultz
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Duncan Madden

Duncan Madden

Expert on Finnair

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Brandon Schultz

Brandon Schultz

Expert on ATH

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Philadelphia to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from Philadelphia 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 Philadelphia to Athens

How far ahead should I book a flight from Philadelphia to Athens?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Athens. Price data was last updated on September 19, 2025.

The best time to book flights from Philadelphia to Athens is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Philadelphia to Athens?

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Athens (average of $679). Flying from Philadelphia to Athens in June is currently the most expensive (average of $1,282). 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 PHL to ATH?

Find hourly flight availability from Philadelphia to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Athens in the evening. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Philadelphia to Athens?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Athens. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Philadelphia to Athens flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. 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 Athens. Reviews last updated September 22, 2025.
Read through reviews of airlines operating flights from Philadelphia to Athens, such as Finnair, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Boarding

7.6

Overall

7.6

Comfort

7.4

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Athens from Philadelphia?

    On a plane ride to Athens from Philadelphia, you'll likely depart from Philadelphia International Airport (PHL). It's the main airport serving the city and the largest one in the state. The airport lies seven miles from downtown Philadelphia. You can easily minimize the distance by taking a SEPTA train with an average voyage time of 28min or boarding the Line 37 bus, which will take roughly 35min. On this trip, Athens International Airport Eleftherios Venizelos (ATH) will be your arrival location. The airport is the busiest and largest international airport in Greece. Even so, it isn't far from Central Athens, at just a 40min ride on the Metro Line 3 train.

  • Which airlines fly directly from Philadelphia to Athens?

    Currently, nonstop flights to Athens from Philadelphia aren't available. Common routes include starting your journey at Philadelphia Airport, making about two plane changes at Atlanta Hartsfield-Jackson, Paris Charles de Gaulle, Chicago O'Hare International, or Munich Franz Josef Strauss, and arriving at Athens International Airport. You will find that Delta Air Lines services the voyages for trips that have stops at Atlanta Hartsfield-Jackson and Paris Charles de Gaulle. United Airlines is the company that usually operates routes with layovers at Chicago O'Hare International and Munich Franz Josef Strauss.

  • What are the layover options between Philadelphia and Athens?

    With the unavailability of nonstop flights from Philadelphia to Athens at this time, you can select trips with layovers from a wide range of options. Some common choices include Atlanta Hartsfield-Jackson (ATL), Paris Charles de Gaulle (CDG), Chicago O'Hare International (ORD), and Munich Franz Josef Strauss (MUC). Layovers can also occur at Denver International (DEN), Los Angeles (LAX), Frankfurt am Main (FRA), Minneapolis St Paul (MSP), and Amsterdam Schiphol (AMS). Usually, stops can take approximately 3-7h for plane changes, adding quite some time to the journey. However, selecting a flight deal with more stops for this route is likely to make your fare cheaper.

  • Do I need a passport or visa to fly from Philadelphia to Athens?

    Any American traveling to Athens from Philadelphia should have a passport, which needs to be valid for at least six months beyond your return. It's also paramount that your passport has enough blank visa pages for the entry and exit stamps (one per page) when you get to or leave Greece. You might also have to show proof of your return airline ticket and finances that will last throughout your stay in the country. A visa is not a travel requirement if you're planning on staying in Athens for less than three months. However, you will need a Schengen visa if you're traveling on a US official or a diplomatic passport or will stay in Greece for more than 90 days. The processing time can take roughly two to three weeks and cost about $70 for adults and $41 for children 6-12 years. It is free for children younger than six.

  • What airports do I use to fly from Philadelphia to Athens?

    Booking a flight from Philadelphia (PHL) to Athens Eleftherios V. (ATH) is your only option if you wish to fly from Philadelphia to Athens. On a typical day, there are 4 flights from Philadelphia to Eleftherios V., all of which are around 9h 20m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Philadelphia to Athens.

  • How popular is this Philadelphia to Athens flight route?

  • How long is the flight from Philadelphia to Athens?

    United Airlines and Delta can get you from Philadelphia to Athens in just under 21h 35m. Your travel time can differ by up to 1h. The distance between Philadelphia and Athens is about 5019 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Philadelphia to Athens round-trip?

    British Airways, at $597, was found to be the cheapest airline from Philadelphia to Athens.Alternate airlines to your destination round-trip include Scandinavian Airlines and Delta. These flights start at 42% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Philadelphia to Athens?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Athens on time: American Airlines (87%), Finnair (87%), Iberia (87%).

  • What are the cheapest flights from Philadelphia to Athens?

    While on average a flight from Philadelphia to Athens is generally $913, our data shows the cheapest flight currently is $374. When looking at the most popular route, (Philadelphia - Athens Eleftherios V.), you can expect to pay $454 for that flight.

  • Can I find deals for flights from Philadelphia to Athens that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to Athens?

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

  • Can I find deals for business class flights from Philadelphia to Athens?

    Yes. Cheapflights offers flight deals from Philadelphia to Athens 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 Philadelphia to Athens?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Athens (average of $679). Flying from Philadelphia to Athens in June is currently the most expensive (average of $1,282). 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 Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Piraeus
Tolo
Galaxidi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Philadelphia to Athens

Discover the top 9 airlines that operate flights from Philadelphia to Athens. 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 September 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$591Average$1,131FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$605Average$956FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$610Average$907FlexibilityNo cancel feeOn-time77%
DeltaCheapest$613Average$944FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$654Average$927FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$695Average$941FlexibilityNo cancel feeOn-time69%
IberiaCheapest$708Average$1,222FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$726Average$1,342FlexibilityNo cancel feeOn-time71%
FinnairCheapest$760Average$1,200FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.