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Cheap flights from Seattle (SEA) to Portugal from $346

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 8/12. 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.
SEA — LIS
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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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 143% 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 $1,242 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 $2,039 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 January. Prices to Portugal from Seattle average $1,095. You can even find prices in January for less than $1,095, as users have found deals to Portugal from as low as $562. 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 44%.

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 2,864,334 searches. Data last updated May 4, 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.
Wed 10/307:45 pmSEA - LIS
1 stop19h 05mBritish Airways
Wed 11/2711:15 amLIS - SEA
1 stop18h 28mBritish Airways
Deal found 5/3$699
Sun 9/227:40 pmSEA - LIS
1 stop14h 15mBritish Airways
Wed 10/911:05 amLIS - SEA
1 stop18h 28mBritish Airways
Deal found 5/3$866
Tue 7/307:40 pmSEA - LIS
1 stop19h 20mBritish Airways
Tue 8/1311:05 amLIS - SEA
1 stop19h 09mBritish Airways
Deal found 5/3$868
Sun 9/227:40 pmSEA - LIS
1 stop14h 15mBritish Airways
Mon 10/76:45 pmLIS - SEA
1 stop24h 50mBritish Airways
Deal found 5/3$874
Tue 7/307:40 pmSEA - LIS
1 stop19h 20mBritish Airways
Wed 8/146:45 pmLIS - SEA
1 stop24h 45mBritish Airways
Deal found 5/3$876
Mon 8/261:26 pmSEA - LIS
2 stops20h 39mBritish Airways
Fri 9/137:20 amLIS - SEA
2 stops21h 51mBritish Airways
Deal found 5/2$891
Sun 9/227:40 pmSEA - LIS
1 stop14h 15mBritish Airways
Sat 10/127:00 pmLIS - SEA
1 stop24h 30mBritish Airways
Deal found 5/3$924
Sun 9/221:40 pmSEA - FAO
1 stop15h 00mBritish Airways
Tue 10/153:40 pmFAO - SEA
1 stop27h 55mBritish Airways
Deal found 5/3$1,112
Thu 9/197:40 pmSEA - FAO
1 stop15h 20mBritish Airways
Wed 10/98:00 pmFAO - SEA
1 stop23h 30mBritish Airways
Deal found 5/3$1,217

Cheap American Airlines flights from Seattle to Portugal

Explore cheap flight options specifically provided by American Airlines 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 2,864,334 searches. Data last updated May 4, 2024.
Some of the lowest-priced American Airlines 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.
Wed 10/301:39 pmSEA - LIS
2 stops21h 06mAmerican Airlines
Wed 11/278:20 amLIS - SEA
2 stops20h 55mAmerican Airlines
Deal found 5/3$704
Mon 8/197:30 amSEA - LIS
2 stops17h 35mAmerican Airlines
Thu 8/2911:05 amLIS - SEA
1 stop19h 09mAmerican Airlines
Deal found 5/3$734
Mon 8/1911:38 pmSEA - LIS
1 stop25h 27mAmerican Airlines
Thu 8/2911:05 amLIS - SEA
1 stop19h 09mAmerican Airlines
Deal found 5/3$737
Wed 7/248:10 amSEA - LIS
2 stops16h 55mAmerican Airlines
Wed 8/1411:05 amLIS - SEA
1 stop19h 09mAmerican Airlines
Deal found 5/3$879
Wed 5/81:15 amSEA - FAO
2 stops33h 45mAmerican Airlines
Wed 6/511:00 pmFAO - SEA
2 stops26h 45mAmerican Airlines
Deal found 5/3$2,684
Fri 5/101:15 amSEA - FAO
2 stops31h 45mAmerican Airlines
Sat 5/2511:00 pmFAO - SEA
2 stops26h 45mAmerican Airlines
Deal found 5/3$2,706
Thu 5/91:15 amSEA - LIS
2 stops23h 50mAmerican Airlines
Mon 5/2712:30 pmLIS - SEA
2 stops19h 29mAmerican Airlines
Deal found 5/3$3,620
Thu 5/91:15 amSEA - LIS
2 stops23h 50mAmerican Airlines
Mon 5/2711:05 amLIS - SEA
1 stop18h 45mAmerican Airlines
Deal found 5/4$3,804
Thu 5/91:15 amSEA - LIS
2 stops23h 50mAmerican Airlines
Mon 5/2711:05 amLIS - SEA
1 stop18h 45mAmerican Airlines
Deal found 5/3$3,945

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 2,864,334 searches. Prices were last updated on May 4, 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.
Sun 6/27:00 amSEA - OPO
2 stops31h 35mMultiple Airlines
Sun 6/96:25 amOPO - SEA
2 stops21h 55mMultiple Airlines
Deal found 5/4$902
Sun 6/27:00 amSEA - OPO
2 stops31h 35mMultiple Airlines
Sun 6/98:00 amOPO - SEA
3 stops38h 49mMultiple Airlines
Deal found 5/4$931
Sun 6/27:00 amSEA - LIS
2 stops31h 15mMultiple Airlines
Sun 6/96:00 amLIS - SEA
2 stops22h 20mMultiple Airlines
Deal found 5/3$966
Sat 5/116:40 pmSEA - LIS
1 stop36h 45mTurkish Airlines
Tue 6/410:55 amLIS - SEA
1 stop37h 50mTurkish Airlines
Deal found 5/3$983
Sun 5/126:40 pmSEA - LIS
1 stop36h 45mTurkish Airlines
Thu 5/3010:55 amLIS - SEA
1 stop37h 50mTurkish Airlines
Deal found 5/3$998
Fri 5/35:40 pmSEA - LIS
1 stop20h 25mMultiple Airlines
Sat 5/115:05 amLIS - SEA
1 stop17h 05mMultiple Airlines
Deal found 5/3$999
Sun 6/21:10 pmSEA - LIS
2 stops38h 00mLufthansa
Thu 6/1311:25 amLIS - SEA
2 stops39h 02mLufthansa
Deal found 5/3$1,010
Tue 6/41:30 pmSEA - LIS
1 stop16h 50mBritish Airways
Thu 6/1311:05 amLIS - SEA
1 stop19h 24mBritish Airways
Deal found 5/3$1,012
Sun 6/27:00 amSEA - OPO
3 stops30h 15mMultiple Airlines
Sun 6/98:00 amOPO - SEA
3 stops38h 49mMultiple Airlines
Deal found 5/4$1,013

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 2,864,334 searches. Data last updated May 4, 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.
Sun 12/110:50 pmSEA - LIS
2 stops25h 20mUnited Airlines
Tue 12/1011:00 amLIS - SEA
2 stops32h 40mUnited Airlines
Deal found 5/3$688
Sun 12/19:35 amSEA - LIS
1 stop15h 45mAir Canada
Tue 12/105:00 amLIS - SEA
2 stops24h 03mAir Canada
Deal found 5/3$695
Wed 11/279:35 amSEA - LIS
1 stop15h 45mAir Canada
Thu 12/1211:00 amLIS - SEA
1 stop18h 14mAir Canada
Deal found 5/3$697
Wed 10/307:45 pmSEA - LIS
1 stop19h 05mBritish Airways
Wed 11/2711:15 amLIS - SEA
1 stop18h 28mBritish Airways
Deal found 5/3$699
Wed 11/279:35 amSEA - LIS
1 stop15h 45mUnited Airlines
Fri 12/135:00 amLIS - SEA
1 stop15h 00mUnited Airlines
Deal found 5/3$700
Wed 12/259:55 amSEA - LIS
2 stops28h 35mLufthansa
Thu 1/165:00 amLIS - SEA
2 stops17h 31mLufthansa
Deal found 5/3$702
Wed 11/279:35 amSEA - LIS
1 stop15h 45mAir Canada
Fri 12/1311:00 amLIS - SEA
2 stops18h 56mAir Canada
Deal found 5/3$703
Wed 10/301:39 pmSEA - LIS
2 stops21h 06mAmerican Airlines
Wed 11/278:20 amLIS - SEA
2 stops20h 55mAmerican Airlines
Deal found 5/3$704
Wed 11/276:45 pmSEA - LIS
1 stop15h 00mBritish Airways
Fri 12/1310:45 amLIS - SEA
1 stop14h 00mBritish Airways
Deal found 5/2$708

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 2,864,334 searches. Data last updated May 4, 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.
Sat 5/116:40 pmSEA - LIS
1 stop36h 45mTurkish Airlines
Tue 6/410:55 amLIS - SEA
1 stop37h 50mTurkish Airlines
Deal found 5/3$983
Sun 5/126:40 pmSEA - LIS
1 stop36h 45mTurkish Airlines
Thu 5/3010:55 amLIS - SEA
1 stop37h 50mTurkish Airlines
Deal found 5/3$998
Thu 5/96:40 pmSEA - LIS
1 stop31h 15mTurkish Airlines
Mon 5/134:25 pmLIS - SEA
1 stop32h 20mTurkish Airlines
Deal found 5/3$1,030
Fri 5/106:40 pmSEA - LIS
1 stop31h 15mTurkish Airlines
Mon 5/274:25 pmLIS - SEA
1 stop32h 20mTurkish Airlines
Deal found 5/4$1,179
Thu 5/911:40 amSEA - LIS
2 stops26h 25mMultiple Airlines
Thu 5/237:30 amLIS - SEA
1 stop15h 30mMultiple Airlines
Deal found 5/3$1,239
Thu 5/96:40 pmSEA - LIS
2 stops28h 10mMultiple Airlines
Mon 5/138:05 pmLIS - SEA
2 stops28h 40mMultiple Airlines
Deal found 5/3$1,280
Fri 5/106:40 pmSEA - LIS
2 stops36h 35mMultiple Airlines
Mon 5/278:05 pmLIS - SEA
2 stops28h 40mMultiple Airlines
Deal found 5/3$1,343
Thu 5/91:30 pmSEA - LIS
2 stops24h 35mMultiple Airlines
Mon 5/137:30 amLIS - SEA
1 stop15h 35mMultiple Airlines
Deal found 5/3$1,410
Sat 5/113:10 pmSEA - LIS
2 stops36h 00mLufthansa
Tue 6/45:30 amLIS - SEA
1 stop14h 55mLufthansa
Deal found 5/3$1,468

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 2,864,334 searches. Data last updated May 4, 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.
Mon 8/123:30 pmSEA - LIS
3 stops48h 25mMultiple Airlines
Deal found 5/2$346
Tue 8/131:50 pmSEA - LIS
2 stops26h 05mMultiple Airlines
Deal found 5/2$359
Tue 8/131:50 pmSEA - LIS
3 stops25h 55mMultiple Airlines
Deal found 5/2$364
Mon 5/277:00 amSEA - FNC
3 stops51h 00mMultiple Airlines
Deal found 5/2$395
Sun 7/1411:00 pmSEA - LIS
2 stops38h 35mMultiple Airlines
Deal found 5/3$420
Wed 9/183:50 pmSEA - LIS
3 stops22h 55mMultiple Airlines
Deal found 5/3$437
Wed 9/183:50 pmSEA - LIS
2 stops20h 55mMultiple Airlines
Deal found 5/3$463
Mon 7/1511:00 pmSEA - OPO
3 stops41h 30mMultiple Airlines
Deal found 5/1$465
Mon 6/38:00 pmSEA - FAO
3 stops54h 25mMultiple Airlines
Deal found 5/3$471

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 2,864,334 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$699 - $902

Route

Depart

Return

Price

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 10/30

1 stop19h 05m

Lisbon Humberto Delgado

Wed 11/27

1 stop18h 28m

$699

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 10/30

2 stops21h 06m

Lisbon Humberto Delgado

Wed 11/27

2 stops20h 55m

$704

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 7/17

1 stop13h 40m

Lisbon Humberto Delgado

Wed 9/4

1 stop17h 31m

$741

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 7/17

2 stops19h 35m

Lisbon Humberto Delgado

Wed 9/4

1 stop20h 23m

$746

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 9/16

1 stop27h 40m

Lisbon Humberto Delgado

Mon 9/23

1 stop32h 00m

$768

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 8/19

2 stops36h 10m

Lisbon Humberto Delgado

Thu 8/29

2 stops33h 05m

$821

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 7/16

2 stops24h 50m

Lisbon Humberto Delgado

Wed 9/4

1 stop17h 11m

$831

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 9/1

2 stops19h 30m

Lisbon Humberto Delgado

Wed 11/27

2 stops30h 16m

$854

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 9/23

1 stop31h 15m

Lisbon Humberto Delgado

Mon 10/7

1 stop26h 05m

$902

Flights are sorted by cheapest first

Deals found on 5/3

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 4, 2024.
Read through reviews of airlines operating flights from Seattle to Portugal, such as British Airways, American Airlines and Air France. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,848 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

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.

Delta
8.1
Very good
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

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.

KLM
7.9
Good
1,604 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

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.

SWISS
7.8
Good
2,025 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

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.

Finnair
7.8
Good
1,379 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

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.

Air France
7.6
Good
1,790 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

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.

  • What airport do you fly from for flights from Seattle to Portugal?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Portugal. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find flights from Seattle to Portugal for under $700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Portugal for under $700. The cheapest flight booked recently is on British Airways for just $699, but on average you can expect to pay $786.

  • Are there last-minute flights available from Seattle to Portugal for under $1,000?

    There are currently 20+ open flights from Seattle to Portugal within the next 7 days for less than $1,000.

  • What are the most popular routes from Seattle to Portugal?

    When deciding which route to take from Seattle to Portugal consider Seattle/Tacoma Intl - Lisbon Humberto Delgado, Seattle/Tacoma Intl - Porto or Seattle/Tacoma Intl - Ponta Delgada Nordela as they are the most popular.

  • What are the most popular airlines that fly from Seattle to Portugal?

    American Airlines, Air Canada and Air France are the most popular airlines when flying from Seattle to Portugal.

  • What does SEA to LIS mean?

    SEA stands for Seattle/Tacoma Intl Airport, while LIS stands for Lisbon Humberto Delgado Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Seattle to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Portugal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Portugal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Portugal that include hotel bookings?

    Yes. In addition to deals on Seattle to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Portugal.

  • Can I find deals for business class flights from Seattle to Portugal?

    Yes. Cheapflights offers flight deals from Seattle to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Portugal that allow pets onboard?

    Many airlines flying from Seattle to Portugal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Portugal?

    Yes, you can often find last-minute deals on Seattle to Portugal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Portugal flight deals updated?

    The Seattle to Portugal flight deals you see on this page were last updated on 5/3.

See more FAQs

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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 2,864,334 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$460Average$961FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest$541Average$1,068FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest$544Average$841FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest$545Average$985FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest$581Average$1,077FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$600Average$1,174FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$602Average$1,013FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest$645Average$1,058FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest$646Average$1,072FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest$653Average$1,330FlexibilityNo cancel feeOn-time77%
Search Air France flights
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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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Can Cheapflights notify me if prices for flights from Seattle to Portugal become cheaper?

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