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How to get fromBoulder to Portoby bus, plane or train

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There are 4 ways to get from Boulder to Porto 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.

  1. Bus to Denver, fly to Francisco De Sá Carneiro Airport

    best
    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Francisco De Sá Carneiro Airport (OPO)planeDEN - OPO
    15h 55m
    €287–808
  2. Bus, bus to Colorado Springs Airport, fly to Francisco De Sá Carneiro Airport

    cheapest
    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Take the bus from Denver International Airport to Colorado Springs Airportbus
    3. Fly from Colorado Springs Airport (COS) to Francisco De Sá Carneiro Airport (OPO)planeCOS - OPO
    22h 26m
    €262–913
  3. Bus to Denver, fly to Lisbon-Portela Airport, train

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Lisbon-Portela Airport (LIS)planeDEN - LIS
    3. Take the train from Lisboa Oriente to Porto Campanhatrain
    18h 19m
    €491–877
  4. Bus to Denver, fly to Santiago De Compostela Airport, bus

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Santiago De Compostela Airport (SCQ)planeDEN - SCQ
    3. Take the bus from Santiago de Compostela to Portobus
    20h 52m
    €582–1,414

Denver (DEN) to Francisco De Sá Carneiro Airport (OPO) flights

Calendar25Weekly Planes
Duration13h 18mAverage Duration
Ticket€241Cheapest Price
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Questions & Answers

What companies run services between Boulder, CO, USA and Porto, Portugal?

There is no direct connection from Boulder to Porto. 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 Francisco De Sá Carneiro Airport (OPO), walk to Aeroporto Francisco Sá Carneiro (OPO) Metro, then take the subway to Trindade. 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 (DEN) airport, fly to Lisbon-Portela Airport (LIS), walk to Aeroporto, take the subway to Oriente, walk to Lisboa Oriente, then take the train to Porto Campanha.

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