$461 Cheap flights from Seattle - Tacoma Intl. to Dr. Francisco de Sa Carneiro (SEA to OPO)
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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Dr. Francisco de Sa Carneiro
Compare Flight Prices from Seattle to Porto
Affordable Airfare Tickets from SEA to OPO Airport
The cheapest flights to Dr. Francisco de Sa Carneiro found within the past 7 days were $518 round trip and $461 one way. Prices and availability subject to change. Additional terms may apply.
Dr. Francisco de Sa Carneiro flight + hotel packages - economy flights
Flight information from Seattle to Porto
Traveling From | Seattle - Tacoma Intl. |
|---|---|
Traveling To | Dr. Francisco de Sa Carneiro |
Shortest Flight Time | hours mins |
Earliest Departure Time | |
Latest Departure Time | |
Lowest Flight Price | $518 |
Route Info
Flight path for flights from Seattle-Tacoma International Airport to Porto Airport.
Discover our best flights from Seattle SEA to Porto OPO.
With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times.
Find our best return flights from Seattle SEA to Porto OPO at the right price
Airfares to Porto OPO from Seattle SEA currently cost between $518 and $588. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply.
Book one-way flights from Seattle SEA to Porto OPO
If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Porto OPO on Travelocity starting at $461. Prices and availability subject to change. Additional terms may apply.
Get to Porto OPO from Seattle SEA quicker with direct flights.
Get to Porto faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to OPO from SEA to take around hour(s) min(s).
Find our cheapest airfares for flights from Seattle SEA to Porto OPO
Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to OPO from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.
Get our best airfare deals for your flight from Seattle SEA to Porto OPO today
If you’re flexible about when you travel, March is usually the cheapest month to fly from Seattle SEA to Porto OPO. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first.
Book flexible airline tickets for flights to Porto OPO from Seattle SEA
Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to OPO from SEA have this option.
Travel with confidence when you book flights to Porto OPO from Seattle SEA with Travelocity
We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.
Popular Flight Routes from Seattle (SEA)
Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle (SEA) today with the cheap prices from Travelocity!
Top SEA Flights to Domestic Cities
- Seattle to Chicago (SEA - ORD)
- Seattle to Denver (SEA - DEN)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Houston (SEA - IAH)
- Seattle to Newark (SEA - EWR)
- Seattle to New York (SEA - JFK)
- Seattle to Atlanta (SEA - ATL)
- Seattle to San Francisco (SEA - SFO)
- Seattle to Washington (SEA - IAD)
- Seattle to Dallas (SEA - DFW)
Top SEA Flights to International Cities
- Seattle to Beijing (SEA - PEK)
- Seattle to Frankfurt (SEA - FRA)
- Seattle to Paris (SEA - CDG)
- Seattle to Amsterdam (SEA - AMS)
- Seattle to Singapore (SEA - SIN)
- Seattle to Shanghai (SEA - PVG)
- Seattle to Bangkok (SEA - BKK)
- Seattle to Seoul (SEA - ICN)
- Seattle to Dubai (SEA - DXB)
- Seattle to Hong Kong (SEA - HKG)
Popular Flight Routes from Porto (OPO)
Travelers at OPO love to visit these top cities. Roam to the top destinations from Porto(OPO) today with the cheap prices from Travelocity!
Top OPO Flights to Domestic Cities
- Porto to Chicago (OPO - ORD)
- Porto to Denver (OPO - DEN)
- Porto to Los Angeles (OPO - LAX)
- Porto to Houston (OPO - IAH)
- Porto to Newark (OPO - EWR)
- Porto to New York (OPO - JFK)
- Porto to Atlanta (OPO - ATL)
- Porto to San Francisco (OPO - SFO)
- Porto to Washington (OPO - IAD)
- Porto to Dallas (OPO - DFW)
Top OPO Flights International Cities
Top Airlines Servicing SEA - Seattle - Tacoma Intl. Airport
Top Airlines Servicing OPO - Dr. Francisco de Sa Carneiro Airport
Top Airlines Routes From SEA
- Alaska Airlines Seattle to Chicago
- Alaska Airlines Seattle to Newark Liberty Intl. Airport
- Alaska Airlines Seattle to San Diego
- Alaska Airlines Seattle to Phoenix
- Alaska Airlines Seattle to Los Angeles
- Alaska Airlines Seattle to Honolulu
- Alaska Airlines Seattle to Boston
- Alaska Airlines Seattle to New York
- Alaska Airlines Seattle to Orange County
- Alaska Airlines Seattle to Denver
