Flights from Seattle to Porto (SEA → OPO)

SEA
Seattle
Seattle Tacoma International, USA
OPO
Porto
Porto Airport, Portugal
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No direct flights found. Here are the 15 fastest 1-stop options.
viaReykjavik(KEF)
SEA→KEF+1h 30mKEF→OPO
11h 30m
viaDublin(DUB)
SEA→DUB+1h 30mDUB→OPO
11h 41m
viaToronto(YYZ)
SEA→YYZ+1h 30mYYZ→OPO
12h 1m
viaBoston(BOS)
SEA→BOS+1h 30mBOS→OPO
12h 9m
viaNew York(EWR)
SEA→EWR+1h 30mEWR→OPO
12h 21m
viaNew York(JFK)
SEA→JFK+1h 30mJFK→OPO
12h 21m
viaParis(CDG)
SEA→CDG+1h 30mCDG→OPO
12h 25m
viaAmsterdam(AMS)
SEA→AMS+1h 30mAMS→OPO
12h 36m
viaBarcelona(BCN)
SEA→BCN+1h 30mBCN→OPO
12h 49m
viaFrankfurt(FRA)
SEA→FRA+1h 30mFRA→OPO
13h 6m
viaZurich(ZRH)
SEA→ZRH+1h 30mZRH→OPO
13h 14m
viaCopenhagen(CPH)
SEA→CPH+1h 30mCPH→OPO
13h 18m
viaMunich(MUC)
SEA→MUC+1h 30mMUC→OPO
13h 34m
viaRome(FCO)
SEA→FCO+1h 30mFCO→OPO
14h 18m
viaIstanbul(IST)
SEA→IST+1h 30mIST→OPO
16h 37m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Seattle to Porto? Currently, there are no direct flights from SEA 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 Seattle → Porto.

Cheap flights from Seattle to Porto Cheapest month to fly to Porto Flights from USA Flights to Portugal Visa-free with USA passport All airports in Portugal

Try a nearby airport to Seattle

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

PAE → OPO 52 km from SEA Everett → Porto USA · 9 destinations BLI → OPO 151 km from SEA Bellingham → Porto USA · 7 destinations YYJ → OPO 157 km from SEA Victoria → Porto Canada · 15 destinations YVR → OPO 205 km from SEA Vancouver → Porto Canada · 123 destinations PDX → OPO 207 km from SEA Portland → Porto USA · 90 destinations

Or try a nearby airport to Porto

Flights from Seattle (SEA) to other airports within 350 km of Porto.

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

Other flights from Seattle (SEA)

Albuquerque (ABQ) Amsterdam (AMS) Anchorage (ANC) Arcata (ACV) Atlanta (ATL) Austin (AUS) Baltimore (BWI) Barcelona (BCN) All 139 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 →