Flights from Green Bay to Porto (GRB to OPO)

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Frequently asked questions

Are there direct flights from Green Bay to Porto? Currently, there are no direct flights from GRB to OPO. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Green Bay → Porto.

Try a nearby airport to Green Bay

Flights to Porto (OPO) from other airports within 350 km of Green Bay. Often unlocks cheaper fares or better times.

ATW → OPO 40 km from GRB Appleton → Porto USA · 23 destinations MKE → OPO 173 km from GRB Milwaukee → Porto USA · 34 destinations MSN → OPO 180 km from GRB Madison → Porto USA · 19 destinations TVC → OPO 203 km from GRB Traverse City → Porto USA · 19 destinations RFD → OPO 267 km from GRB Rockford → Porto USA · 8 destinations

Or try a nearby airport to Porto

Flights from Green Bay (GRB) to other airports within 350 km of Porto.

GRB → VGO 110 km from OPO Green Bay → Vigo Spain · 6 destinations GRB → SCQ 186 km from OPO Green Bay → Santiago De Compostela Spain · 29 destinations GRB → LCG 231 km from OPO Green Bay → La Coruna Spain · 12 destinations GRB → LIS 277 km from OPO Green Bay → Lisbon Portugal · 151 destinations GRB → LEN 292 km from OPO Green Bay → Leon Spain · 7 destinations

Other flights from Green Bay (GRB)

Atlanta (ATL) Chicago (ORD) Detroit (DTW) Minneapolis (MSP) New York (LGA) Washington (DCA) All 6 destinations →

Other flights from Porto (OPO)

Agadir (AGA) Alicante (ALC) Amsterdam (AMS) Asturias (OVD) Athens (ATH) Barcelona (BCN) Bari (BRI) Basel, Switzerland/Mulhouse (BSL) All 134 destinations →

Flights from Green Bay to Porto (GRB → OPO)