$493 Cheap KLM flights Seattle (SEA) to Porto (OPO)
Prices were available within the past 7 days and start at $493 for one-way flights and $714 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Mar 10 - Sat, Mar 21
SEA
Seattle
OPO
Porto
$714 Roundtrip, found 11 hours ago
$714
Roundtrip
found 11 hours ago
Tue, Mar 10 - Sat, Mar 21
SEA
Seattle
OPO
Porto
$894 Roundtrip, found 11 hours ago
$894
Roundtrip
found 11 hours ago
Travel information
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Dr. Francisco de Sa Carneiro |
Airlines serving | Air Canada, American Airlines, Delta, Iberia, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United |
Popular airline | Swiss International Air Lines |
Distance | 8140 km |
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Most Popular KLM Routes from Seattle
- Albany to Munich (ALB - MUC)
- Philadelphia to Mumbai (PHL - BOM)
- New York to Manila (JFK - MNL)
- Houston to Cochin (IAH - COK)
- Nashville to Paris (BNA - CDG)
- Portland to Stockholm (PDX - ARN)
- New York to Milan (JFK - MXP)
- Los Angeles to London (LAX - LHR)
- New York to Milan (JFK - LIN)
- Edinburgh to Paris (EDI - CDG)
Popular Domestic Routes in Dr. Francisco de Sa Carneiro
- New York to Madrid (JFK - MAD)
- New York to Milan (JFK - LIN)
- Portland to Stockholm (PDX - ARN)
- Fort Myers to Edinburgh (RSW - EDI)
- Philadelphia to Mumbai (PHL - BOM)
- Rome to Barcelona (FCO - BCN)
- New York to Milan (JFK - MXP)
- Edinburgh to Paris (EDI - CDG)
- New York to Barcelona (JFK - BCN)
- Houston to Cochin (IAH - COK)