What is the cheapest airline to fly from Billings to Athens round-trip?

According to our current data, United Airlines ($679), offers the cheapest pricing from Billings to Athens. United Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Athens ranges from 0.2 - 2.5 inches per month. December is typically the wettest month, when rainfall can reach 2.5 in. June is typically the driest time to visit Athens when rainfall is around 0.2 in.

If weather is an important factor for your trip to Athens, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What is the cheapest time of day to fly from BIL to ATH?

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

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

Most trusted provider : When it comes to deals on Billings-Athens flights, Cheapflights users trust eDreams the most. eDreams 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 Billings-Athens flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Billings to Athens?

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

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

Yes. Cheapflights offers flight deals from Billings 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.

Find Flights from Billings to Athens

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Billings 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.

Find flight deals from Billings to Athens

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Popular in	May
Cheapest in	December
Average price	$624

Provider with most accurate pricing for Billings Logan Intl-Athens Eleftherios V. flight deals.

Search Deals

Provider most trusted by Cheapflights users for Billings Logan Intl-Athens Eleftherios V. flights.

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($203 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($71 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Best time to book a flight from Billings to Athens

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

Reviews of airlines servicing Athens

See what other customers who have flown with United Airlines from Billings to Athens have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,066 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,066 reviews

United Airlines

7.4

Good

9,066 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

What is the cheapest airline to fly from Billings to Athens round-trip?
According to our current data, United Airlines ($679), offers the cheapest pricing from Billings to Athens. United Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Billings to Athens that include hotel bookings?
Yes. In addition to deals on Billings to Athens flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Billings to Athens?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Athens.
Can I find deals for business class flights from Billings to Athens?
Yes. Cheapflights offers flight deals from Billings 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.

See more FAQs

Glyfada

Piraeus

Tolo

Galaxidi

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Billings to Athens

Bozeman to Athens flights

Missoula to Athens flights

Other flights to Athens

Complete your trip

Athens car rentals

Athens Eleftherios V. Airport car rentals

Ermoupoli Syros Island Airport car rentals

Skiros Airport car rentals

Kato Patisia car rentals

Pagrati car rentals

Top airline flying from Billings to Athens

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$679	Average$910	FlexibilityNo cancel fee	On-time69%

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.

Cheap flights from Billings (BIL) to Athens (ATH)

Find cheap flights from Billings to Athens with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Billings to Athens

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Best time to book a flight from Billings to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from Billings with our price prediction graph.

Reviews of airlines servicing Athens

See what other customers who have flown with United Airlines from Billings to Athens have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What is the cheapest airline to fly from Billings to Athens round-trip?

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

How can I find direct flights from Billings to Athens?

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

Traveling to a place near Athens?

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.

Alternative routes for Billings to Athens

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Billings to Athens

100% Free

Book with Flexibility

Travel Smart