Cheap flights from Seattle (SEA) to Portugal from $349
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
How far in advance should I book a flight from Seattle to Portugal?
Users have found that booking a flight from Seattle to Portugal at least 38 days early can save you up to 46% on average compared to booking a flight this week. If booking 38 days before your flight isn’t an option for you, users have found flights from Seattle to Portugal for as little as $729 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $997 for flights departing within the next 3 days.
What is the cheapest month to fly from Seattle to Portugal?
The best pricing can be found in the month of February. Prices to Portugal from Seattle average $1,042. You can even find prices in February for less than $1,042, as users have found deals to Portugal from as low as $455. The month of June appears to be one of the more expensive times to travel to Portugal from Seattle. Flying in the targeted month can save you up to 47%.
When is the cheapest time to fly from Seattle to Portugal (SEA - PT)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Portugal as you normally would.
Cheap British Airways flights from Seattle to Portugal
Explore cheap flight options specifically provided by British Airways for the route between Seattle and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Peruse some of the lowest-priced British Airways flights we've found from Seattle to Portugal. It's recommended that users confirm their flight details before booking.
Cheap SWISS flights from Seattle to Portugal
Explore cheap flight options specifically provided by SWISS for the route between Seattle and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Some of the lowest-priced SWISS flights we've found at this time heading from Seattle to Portugal. Check back soon if you're not seeing flights that suit your needs.
Cheap Seattle to Portugal flights in May & June 2024
Find cheap flight options from Seattle to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 7, 2024.
The lowest fares we've come across on flights traveling from Seattle to Portugal in May and June 2024. For more flight deals, be sure to check back very soon.
Seattle to Portugal 2024 flight deals
Discover exclusive flight deals for travel between Seattle and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
The lowest fares we've come across on flights traveling from Seattle to Portugal in May and June 2024. For more flight deals, be sure to check back very soon.
Seattle to Portugal flights leaving soon
Find last-minute flight options from Seattle to Portugal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Portugal. To prevent any unwanted surprises, users should verify their flight info before booking.
One-way flights to Portugal from Seattle
Search for one-way flight options from Seattle to Portugal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Users traveling one-way from Seattle to Portugal can select one of these great deals. Users needing a return flight from Seattle to Portugal should utilize the search form above.
Find flights from Seattle to Portugal within your budget
Customize your flight search to find flights from Seattle to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Fly from
Fly to
Budget
$703 - $757
Route
Depart
Return
Price
Seattle/Tacoma IntlPorto
SEA - OPO
SEAOPO
Seattle/Tacoma Intl
Sat 11/2
2 stops33h 30m
Porto
Tue 11/12
2 stops23h 08m
Seattle/Tacoma IntlLisbon Humberto Delgado
SEA - LIS
SEALIS
Seattle/Tacoma Intl
Sun 11/3
1 stop15h 00m
Lisbon Humberto Delgado
Mon 11/11
1 stop24h 50m
Seattle/Tacoma IntlPorto
SEA - OPO
SEAOPO
Seattle/Tacoma Intl
Sat 11/2
2 stops37h 15m
Porto
Tue 11/12
1 stop31h 30m
Seattle/Tacoma IntlLisbon Humberto Delgado
SEA - LIS
SEALIS
Seattle/Tacoma Intl
Fri 9/13
2 stops17h 40m
Lisbon Humberto Delgado
Mon 9/23
2 stops21h 15m
Seattle/Tacoma IntlLisbon Humberto Delgado
SEA - LIS
SEALIS
Seattle/Tacoma Intl
Tue 9/17
2 stops26h 00m
Lisbon Humberto Delgado
Thu 9/26
2 stops20h 31m
Seattle/Tacoma IntlPorto
SEA - OPO
SEAOPO
Seattle/Tacoma Intl
Sat 11/2
3 stops43h 55m
Porto
Tue 11/12
2 stops20h 21m
Seattle/Tacoma IntlLisbon Humberto Delgado
SEA - LIS
SEALIS
Seattle/Tacoma Intl
Mon 8/5
1 stop19h 25m
Lisbon Humberto Delgado
Fri 8/23
2 stops18h 51m
Seattle/Tacoma IntlLisbon Humberto Delgado
SEA - LIS
SEALIS
Seattle/Tacoma Intl
Fri 11/1
1 stop19h 40m
Lisbon Humberto Delgado
Fri 11/8
2 stops22h 40m
Seattle/Tacoma IntlLisbon Humberto Delgado
SEA - LIS
SEALIS
Seattle/Tacoma Intl
Tue 8/13
1 stop20h 40m
Lisbon Humberto Delgado
Mon 8/26
1 stop26h 40m
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated May 7, 2024.
Read through reviews of airlines operating flights from Seattle to Portugal, such as British Airways, SWISS and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Overall
Crew
Food
Entertainment
Boarding
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to PortugalSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Seattle to Portugal
Discover the top 10 airlines that operate flights from Seattle to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Search flights from Seattle to Portugal by cabin class
Find flights from Seattle to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Seattle to Portugal?
When you search for this flight from Seattle to Portugal, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Portugal?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portugal from Seattle.
Can Cheapflights find flights from Seattle to Portugal with no change fees?
Need flexible booking options for your flight to Portugal from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to Portugal become cheaper?
Not ready to book yet? You can track prices for flights from Seattle to Portugal on Cheapflights with our Price Alert feature and get notified when better prices are available.