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Cheap flights from Seattle to Lisbon from C$ 882

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 20/5. 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
1 May — 8 May1
1 adult
Wed 1/5
Wed 8/5

Cheap flight deals from Seattle to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 April 2024.

Popular in

June

Cheapest in

January

Average price

C$ 1,426

Round-trip from

C$ 669
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 30% potential price drop
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Average for round-trip flights in April 2024
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From Seattle/Tacoma Intl to Lisbon Humberto Delgado
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What is the cheapest day to fly round-trip from Seattle to Lisbon?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 72% on the overall cost on flights from Seattle to Lisbon.

How far in advance should I book a flight from Seattle to Lisbon?

Travellers have found it’s best to book a flight 38 days in advance to save up to 143% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Lisbon 1-2 weeks in advance for as low as C$ 1,699, or C$ 2,790 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Lisbon?

Flights from Seattle to Lisbon lean towards being more expensive in June. Prices are generally better when you fly from Seattle to Lisbon in January, with the cheapest ticket starting at C$ 769.

When is the cheapest time to fly from Seattle to Lisbon (SEA - LIS)?

When flying from Seattle to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the afternoon.

Cheap Turkish Airlines flights from Seattle to Lisbon

Explore cheap flight options specifically provided by Turkish Airlines for the route between Seattle and Lisbon. 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 508,915 searches. Data last updated 26 April 2024.
Peruse some of the lowest-priced Turkish Airlines flights we've found from Seattle to Lisbon. Make sure to check back often as deals are often changing.
Sun 22/96:40 p.m.SEA - LIS
1 stop36h 20mTurkish Airlines
Wed 30/104:20 p.m.LIS - SEA
1 stop32h 25mTurkish Airlines
Deal found 25/4C$ 1,234
Thu 26/912:15 p.m.SEA - LIS
1 stop19h 10mTurkish Airlines
Tue 29/1011:45 a.m.LIS - SEA
1 stop37h 00mTurkish Airlines
Deal found 25/4C$ 1,275
Fri 27/96:40 p.m.SEA - LIS
1 stop36h 45mTurkish Airlines
Tue 8/104:30 p.m.LIS - SEA
1 stop32h 15mTurkish Airlines
Deal found 25/4C$ 1,289
Thu 26/912:15 p.m.SEA - LIS
1 stop19h 10mTurkish Airlines
Fri 11/104:25 p.m.LIS - SEA
1 stop26h 05mTurkish Airlines
Deal found 25/4C$ 1,316
Thu 26/912:15 p.m.SEA - LIS
1 stop19h 10mTurkish Airlines
Sun 13/1010:55 a.m.LIS - SEA
1 stop37h 50mTurkish Airlines
Deal found 25/4C$ 1,330

Cheap British Airways flights from Seattle to Lisbon

Explore cheap flight options specifically provided by British Airways for the route between Seattle and Lisbon. 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 508,915 searches. Data last updated 26 April 2024.
Some of the best deals we've found on British Airways flights travelling from Seattle to Lisbon. Make sure to examine the flight information before completing your reservation.
Sun 22/97:40 p.m.SEA - LIS
1 stop14h 15mBritish Airways
Mon 28/106:35 p.m.LIS - SEA
1 stop24h 50mBritish Airways
Deal found 25/4C$ 1,268
Sun 14/71:40 p.m.SEA - LIS
1 stop25h 35mBritish Airways
Mon 22/77:15 a.m.LIS - SEA
2 stops20h 33mBritish Airways
Deal found 26/4C$ 1,460
Sun 2/61:40 p.m.SEA - LIS
1 stop18h 40mBritish Airways
Sat 8/67:00 p.m.LIS - SEA
1 stop24h 30mBritish Airways
Deal found 24/4C$ 1,679

Cheap Seattle to Lisbon flights in April & May 2024

Find cheap flight options from Seattle to Lisbon specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 508,915 searches. Prices were last updated on 26 April 2024.
These are some of the best deals we've found on flights to Lisbon in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 28/53:10 p.m.SEA - LIS
2 stops34h 10mLufthansa
Tue 25/611:25 a.m.LIS - SEA
2 stops33h 05mLufthansa
Deal found 25/4C$ 1,389
Tue 21/51:10 p.m.SEA - LIS
2 stops17h 30mSWISS
Tue 28/56:10 p.m.LIS - SEA
2 stops32h 17mSWISS
Deal found 25/4C$ 1,415
Tue 21/51:10 p.m.SEA - LIS
2 stops17h 30mSWISS
Fri 7/65:55 a.m.LIS - SEA
2 stops48h 28mSWISS
Deal found 25/4C$ 1,428
Wed 8/51:10 p.m.SEA - LIS
2 stops43h 45mSWISS
Tue 28/53:35 p.m.LIS - SEA
2 stops38h 48mSWISS
Deal found 25/4C$ 1,435
Wed 15/52:15 p.m.SEA - LIS
1 stop23h 50mLufthansa
Wed 22/511:25 a.m.LIS - SEA
2 stops33h 02mLufthansa
Deal found 25/4C$ 1,508
Wed 8/55:20 p.m.SEA - LIS
1 stop22h 10mMultiple Airlines
Tue 28/55:30 a.m.LIS - SEA
2 stops20h 19mMultiple Airlines
Deal found 25/4C$ 1,546
Sun 19/56:50 a.m.SEA - LIS
2 stops32h 20mSWISS
Sun 26/55:55 a.m.LIS - SEA
2 stops20h 32mSWISS
Deal found 25/4C$ 1,557
Thu 23/510:40 a.m.SEA - LIS
2 stops27h 00mLufthansa
Mon 27/55:05 a.m.LIS - SEA
1 stop15h 20mLufthansa
Deal found 25/4C$ 1,576
Mon 20/510:40 a.m.SEA - LIS
2 stops27h 00mLufthansa
Sun 26/54:25 p.m.LIS - SEA
1 stop28h 00mLufthansa
Deal found 25/4C$ 1,598

Seattle to Lisbon 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Lisbon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 508,915 searches. Data last updated 26 April 2024.
These are some of the best deals we've found on flights to Lisbon in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 5/111:35 p.m.SEA - LIS
1 stop14h 30mBritish Airways
Thu 14/118:45 a.m.LIS - SEA
1 stop20h 58mBritish Airways
Deal found 24/4C$ 956
Tue 5/116:45 p.m.SEA - LIS
1 stop19h 00mMultiple Airlines
Wed 13/116:35 p.m.LIS - SEA
1 stop24h 50mMultiple Airlines
Deal found 24/4C$ 967
Tue 5/116:50 p.m.SEA - LIS
1 stop19h 40mLufthansa
Thu 14/116:10 a.m.LIS - SEA
1 stop18h 55mLufthansa
Deal found 24/4C$ 977
Tue 5/1110:00 a.m.SEA - LIS
2 stops17h 20mDelta
Tue 12/115:30 a.m.LIS - SEA
2 stops22h 30mDelta
Deal found 24/4C$ 1,002
Wed 6/1112:50 p.m.SEA - LIS
1 stop13h 40mUnited Airlines
Sun 17/1111:00 a.m.LIS - SEA
2 stops36h 58mUnited Airlines
Deal found 26/4C$ 1,011
Tue 5/112:35 p.m.SEA - LIS
1 stop16h 00mKLM
Wed 13/115:00 a.m.LIS - SEA
2 stops20h 00mKLM
Deal found 24/4C$ 1,017
Wed 6/117:12 a.m.SEA - LIS
2 stops19h 18mUnited Airlines
Sun 17/1111:00 a.m.LIS - SEA
2 stops36h 58mUnited Airlines
Deal found 26/4C$ 1,018
Wed 6/118:00 a.m.SEA - LIS
1 stop18h 30mMultiple Airlines
Sat 16/1111:00 a.m.LIS - SEA
1 stop18h 14mMultiple Airlines
Deal found 25/4C$ 1,019
Thu 7/111:35 p.m.SEA - LIS
1 stop14h 35mBritish Airways
Thu 14/118:45 a.m.LIS - SEA
1 stop20h 58mBritish Airways
Deal found 24/4C$ 1,025

Seattle to Lisbon flights leaving soon

Find last-minute flight options from Seattle to Lisbon 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 508,915 searches. Data last updated 26 April 2024.
Check out these flights departing soon from Seattle to Lisbon. It's wise to confirm all flight details are correct before booking.
Mon 6/511:20 a.m.SEA - LIS
2 stops26h 45mMultiple Airlines
Tue 21/55:05 a.m.LIS - SEA
2 stops20h 44mMultiple Airlines
Deal found 25/4C$ 1,669
Sat 4/59:15 a.m.SEA - LIS
2 stops30h 15mMultiple Airlines
Sat 18/55:05 a.m.LIS - SEA
2 stops24h 25mMultiple Airlines
Deal found 26/4C$ 1,765
Fri 3/52:15 p.m.SEA - LIS
1 stop23h 50mLufthansa
Sat 11/59:45 a.m.LIS - SEA
2 stops40h 42mLufthansa
Deal found 25/4C$ 2,130
Sun 5/512:35 a.m.SEA - LIS
2 stops26h 10mDelta
Tue 21/512:45 p.m.LIS - SEA
1 stop17h 27mDelta
Deal found 25/4C$ 3,099

One-way flights to Lisbon from Seattle

Search for one-way flight options from Seattle to Lisbon. 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 508,915 searches. Data last updated 26 April 2024.
Users travelling one-way from Seattle to Lisbon can select one of these great deals. For those needing a return trip from Seattle, there is a search form available above.
Mon 20/57:25 a.m.SEA - LIS
2 stops21h 55mMultiple Airlines
Deal found 25/4C$ 882
Sun 5/511:43 a.m.SEA - LIS
2 stops19h 32mMultiple Airlines
Deal found 25/4C$ 955
Sat 8/61:10 p.m.SEA - LIS
2 stops26h 00mSWISS
Deal found 25/4C$ 1,230
Tue 3/912:10 p.m.SEA - LIS
2 stops25h 55mMultiple Airlines
Deal found 26/4C$ 1,248
Mon 30/96:45 a.m.SEA - LIS
3 stops19h 45mUnited Airlines
Deal found 25/4C$ 1,289
Sun 13/101:10 p.m.SEA - LIS
2 stops17h 30mSWISS
Deal found 26/4C$ 1,313
Fri 19/712:30 a.m.SEA - LIS
2 stops23h 50mUnited Airlines
Deal found 25/4C$ 1,365
Fri 11/104:26 p.m.SEA - LIS
2 stops22h 44mSWISS
Deal found 26/4C$ 1,382
Sun 1/96:45 a.m.SEA - LIS
3 stops19h 45mUnited Airlines
Deal found 25/4C$ 1,843

Find flights from Seattle to Lisbon within your budget

Customize your flight search to find flights from Seattle to Lisbon 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 508,915 searches. Data last updated 26 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 1,036 - C$ 1,472

Route

Depart

Return

Price

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 13/8

1 stop15h 50m

Lisbon Humberto Delgado

Mon 26/8

1 stop26h 40m

C$ 1,036

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 13/8

2 stops20h 45m

Lisbon Humberto Delgado

Mon 26/8

1 stop20h 00m

C$ 1,079

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 19/8

2 stops34h 10m

Lisbon Humberto Delgado

Thu 29/8

2 stops57h 05m

C$ 1,123

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 19/8

2 stops25h 21m

Lisbon Humberto Delgado

Thu 29/8

1 stop18h 00m

C$ 1,129

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 4/9

2 stops26h 00m

Lisbon Humberto Delgado

Mon 4/11

2 stops42h 59m

C$ 1,207

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 22/9

1 stop36h 20m

Lisbon Humberto Delgado

Wed 30/10

1 stop32h 25m

C$ 1,234

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 24/9

1 stop34h 45m

Lisbon Humberto Delgado

Tue 29/10

2 stops38h 26m

C$ 1,244

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 22/9

1 stop14h 15m

Lisbon Humberto Delgado

Mon 28/10

1 stop24h 50m

C$ 1,268

Seattle/Tacoma IntlLisbon Humberto Delgado

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 14/7

1 stop17h 15m

Lisbon Humberto Delgado

Mon 22/7

1 stop33h 40m

C$ 1,472

Flights are sorted by cheapest first

Deals found on 26/4

When is the best time to book a flight from Seattle to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Lisbon. Price data was last updated on 28 January 2024.
Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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When is the cheapest time to fly from Seattle to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Lisbon. Price data was last updated on 21 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Lisbon flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Lisbon by month

Plan your trip from Seattle to Lisbon by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Lisbon is currently C$ 1,279 while a round-trip flight costs C$ 1,199. Price data was last updated on 21 April 2024.

Currently, December is the cheapest month in which you can book a flight from Seattle to Lisbon (average of C$ 489). Flying from Seattle to Lisbon in July is currently the most expensive (average of C$ 850). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 672

February

C$ 773

March

C$ 940

April

C$ 891

May

C$ 900

June

C$ 944

July

C$ 1,163

August

C$ 1,100

September

C$ 930

October

C$ 904

November

C$ 705

December

C$ 669

Temperature and rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature and rainfall totals by month.

LIS

Temperature

11 - 23 °C

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated 26 April 2024.
See what other customers who have flown with Turkish Airlines, British Airways and SWISS from Seattle to Lisbon have to say. 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
10,966 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,626 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

SWISS
7.8
Good
2,061 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air France
7.6
Good
1,809 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Turkish Airlines
7.5
Good
3,695 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Lisbon for under C$ 1,100 on Cheapflights?

    Yes, there are multiple flights from Seattle to Lisbon for under C$ 1,100. The cheapest flight booked recently is on KLM for just C$ 1,036, but on average you can expect to pay C$ 1,174.

  • Are there last-minute flights available from Seattle to Lisbon for under C$ 1,700?

    There are currently 4+ open flights from Seattle to Lisbon within the next 7 days for less than C$ 1,700.

  • What are the cheapest airlines flying from Seattle to Lisbon round-trip?

    Currently priced at C$ 1,036, KLM will fly you from Seattle to Lisbon and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Lufthansa - these airlines can fly you to your destination from C$ 1,079 and C$ 1,123, respectively. These flights start at 30% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Lisbon one-way?

    The cheapest airlines for a one-way flight from Seattle to Lisbon are SWISS (C$ 1,230), United Airlines (C$ 1,289), and Turkish Airlines (C$ 4,608).

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

    Air France, British Airways and Aer Lingus are the most popular airlines when flying from Seattle to Lisbon.

  • What does SEA to LIS mean?

    Seattle/Tacoma Intl Airport is SEA and Lisbon Humberto Delgado Airport is LIS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    The amount of baggage you can bring on your Seattle to Lisbon 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 Lisbon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Lisbon 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 Lisbon that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Lisbon 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 Lisbon that allow pets onboard?

    Many airlines flying from Seattle to Lisbon 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 Lisbon?

    Yes, you can often find last-minute deals on Seattle to Lisbon 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 Lisbon flight deals updated?

    The Seattle to Lisbon flight deals you see on this page were last updated on 26/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Seattle to Lisbon

Discover the top 4 airlines that operate flights from Seattle to Lisbon. 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 508,915 searches. Data last updated 26 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 584AverageC$ 586FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapestC$ 604AverageC$ 1,123FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapestC$ 735AverageC$ 1,061FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapestC$ 998AverageC$ 1,336FlexibilityNo cancel feeOn-time77%
Search Air France flights
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Search flights from Seattle to Lisbon by cabin class

Find flights from Seattle to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Lisbon?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Lisbon from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Lisbon?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Lisbon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Lisbon with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Lisbon flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Lisbon become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Lisbon flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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