There are 4 ways to get from Boulder to Athens by bus, plane, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus to Denver, fly to Athens International Airport
best- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Fly from Denver (DEN) to Athens International Airport (ATH)DEN - ATH
17h 34m€364–964Bus, bus to Colorado Springs Airport, fly to Athens International Airport
cheapest- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Take the bus from Denver International Airport to Colorado Springs Airport
- Fly from Colorado Springs Airport (COS) to Athens International Airport (ATH)COS - ATH
23h 27m€289–1,019Bus to Denver, fly to Kalamata International Airport, bus
- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Fly from Denver (DEN) to Kalamata International Airport (KLX)DEN - KLX
- Take the bus from Kalamata to Athens, Leoforou Kifisou - KTEL
22h 23m€528–2,142Bus to Denver, fly to Thessaloniki Airport Makedonia, train
- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Fly from Denver (DEN) to Thessaloniki Airport Makedonia (SKG)DEN - SKG
- Take the train from Thessaloniki to Athens
23h 39m€329–1,242
Denver (DEN) to Athens International Airport (ATH) flights
Questions & Answers
The cheapest way to get from Boulder to Athens is to bus and fly which costs €360 - €1000 and takes 17h 34m.
The fastest way to get from Boulder to Athens is to bus and fly which takes 17h 34m and costs €360 - €1000.
The distance between Boulder and Athens is 10009 km.
It takes approximately 17h 34m to get from Boulder to Athens, including transfers.
Athens is 9h ahead of Boulder. It is currently 9:29 PM in Boulder and 6:29 AM in Athens.
There are 12393+ hotels available in Athens.
What companies run services between Boulder, CO, USA and Athens, Greece?
There is no direct connection from Boulder to Athens. However, you can take the bus to US 36 & Flatiron Station Gate D, walk to US 36 & Flatiron Station Gate A, take the bus to Denver Airport Station Gate 6, walk to Denver (DEN) airport, fly to Athens International Airport (ATH), walk to Στ.Αεροδρομιου, then take the subway to Στ.Μοναστηρακι. Alternatively, you can take the bus to US 36 & Flatiron Station Gate D, walk to US 36 & Flatiron Station Gate A, take the bus to Denver Airport Station Gate 6, walk to Denver International Airport, take the bus to Colorado Springs Airport, walk to Colorado Springs Airport (COS) airport, fly to Athens International Airport (ATH), walk to Στ.Αεροδρομιου, then take the subway to Στ.Μοναστηρακι.
- Website
- lufthansa.com
Flights from Denver to Athens International Airport via Munich
- Ave. Duration
- 14h 55m
- When
- Every day
- Estimated price
- €260–1,000
Flights from Denver to Athens International Airport via Frankfurt
- Ave. Duration
- 13h 50m
- When
- Every day
- Estimated price
- €260–1,000
Flights from Denver to Athens International Airport via Rome
- Ave. Duration
- 16h 5m
- When
- Every day
- Estimated price
- €260–1,100
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare
- Ave. Duration
- 16h 13m
- When
- Every day
- Estimated price
- €240–950
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare, Munich
- Ave. Duration
- 20h 13m
- When
- Every day
- Estimated price
- €240–950
Flights from Denver to Kalamata International Airport via Munich
- Ave. Duration
- 14h 10m
- When
- Friday
- Estimated price
- €500–2,100
Flights from Denver to Kalamata International Airport via Frankfurt
- Ave. Duration
- 15h
- When
- Saturday
- Estimated price
- €550–2,200
Flights from Denver to Thessaloniki Airport Makedonia via Frankfurt
- Ave. Duration
- 14h 10m
- When
- Every day
- Estimated price
- €300–1,300
Flights from Denver to Thessaloniki Airport Makedonia via Munich
- Ave. Duration
- 17h 55m
- When
- Every day
- Estimated price
- €300–1,200
- Website
- united.com
Flights from Denver to Athens International Airport via Frankfurt
- Ave. Duration
- 13h 30m
- When
- Monday, Tuesday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- €350–550
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare
- Ave. Duration
- 16h 13m
- When
- Every day
- Estimated price
- €240–950
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare, Vienna
- Ave. Duration
- 18h 18m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- €250–900
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare, Munich
- Ave. Duration
- 20h 35m
- When
- Thursday to Saturday
- Estimated price
- €270–1,000
- Website
- britishairways.com
Flights from Denver to Athens International Airport via London Heathrow
- Ave. Duration
- 16h 25m
- When
- Every day
- Estimated price
- €270–1,300
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare
- Ave. Duration
- 16h 48m
- When
- Every day
- Estimated price
- €240–950
Flights from Denver to Kalamata International Airport via London Heathrow
- Ave. Duration
- 14h 25m
- When
- Wednesday
- Estimated price
- €500–2,600
- Website
- swiss.com
Flights from Denver to Athens International Airport via Zurich
- Ave. Duration
- 13h 50m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- €260–1,000
Flights from Denver to Thessaloniki Airport Makedonia via Zurich
- Ave. Duration
- 19h 30m
- When
- Sunday
- Estimated price
- €300–1,200
- Website
- aa.com
Flights from Denver to Athens International Airport via London Heathrow
- Ave. Duration
- 16h 25m
- When
- Every day
- Estimated price
- €270–1,300
Flights from Colorado Springs Airport to Athens International Airport via Chicago O'Hare
- Ave. Duration
- 16h 48m
- When
- Every day
- Estimated price
- €240–950
- Website
- turkishairlines.com
Flights from Denver to Athens International Airport via Istanbul
- Ave. Duration
- 16h 30m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- €480–1,000
Flights from Denver to Thessaloniki Airport Makedonia via Istanbul
- Ave. Duration
- 16h 35m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- €350–1,200
- Website
- delta.com
Flights from Colorado Springs Airport to Athens International Airport via Minneapolis, Amsterdam Schiphol
- Ave. Duration
- 16h 43m
- When
- Monday, Friday, and Sunday
- Estimated price
- €240–950
- Website
- klm.com
Flights from Colorado Springs Airport to Athens International Airport via Minneapolis, Amsterdam Schiphol
- Ave. Duration
- 16h 43m
- When
- Monday, Friday, and Sunday
- Estimated price
- €240–950
- Website
- condor.com
Flights from Denver to Kalamata International Airport via Frankfurt
- Ave. Duration
- 15h 30m
- When
- Thursday and Sunday
- Estimated price
- €550–2,200
- Phone
- 14511
- Website
- hellenictrain.gr
Train from Thessaloniki to Athens
- Ave. Duration
- 5h 8m
- Frequency
- Twice daily
- Estimated price
- €22–35
- Website
- https://www.hellenictrain.gr/en
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Estimated price
- €3
- Website
- https://www.rtd-denver.com/
- Adult
- €3
- Phone
- +1 719-687-3456
- Website
- groometransportation.com
Bus from Denver International Airport to Colorado Springs Airport
- Ave. Duration
- 2h 25m
- Frequency
- Hourly
- Estimated price
- €35–55
- Website
- https://groometransportation.com/colorado-springs/
- Phone
- +30 27210 28581
- info@ktelmessinias.gr
- Website
- ktelmessinias.gr
Bus from Kalamata to Athens, Leoforou Kifisou - KTEL
- Ave. Duration
- 3h 15m
- Frequency
- Every 3 hours
- Estimated price
- €22–35
- Website
- https://www.ktelmessinias.gr/en/homepage-en/
- Schedules at
- https://www.ktelmessinias.gr/en/routes/
- Book at
- https://ktelbus.gr/mes/ticketweb/
Want to know more about travelling around Greece
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Getting around the Cyclades
Read the travel guide
Travelling to the US: What do I need to know?
Read the travel guide












