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$335+ Cheap flights from Seattle (SEA) to Taiwan

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TPE
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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Cheap flight deals from Seattle to Taiwan

Keep the following information in mind while searching for Seattle to Taiwan flight deals. Data was last updated May 14, 2025.

Round-trip from

$688
(United Airlines)

One-way from

$336
(oojo)

Popular in

December

Cheapest in

April

Average price

$857

Good round-trip deal

$854 or less

Good one-way deal

$472 or less
From Seattle/Tacoma Intl to Taiwan
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One-way flight from Seattle/Tacoma Intl to Taiwan
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Highest demand for flights based on searches. 7% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Taiwan.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Taiwan.
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Find flight deals from Seattle to Taiwan

Cheapest flights from Seattle to Taiwan
Explore the most affordable flight options available from Seattle to Taiwan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.

This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:10 amSEA - TPE
1 stop22h 35mUnited Airlines
Wed 9/39:50 amTPE - SEA
1 stop17h 12mUnited Airlines
Deal found 5/12$688
This Trip.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:50 pmSEA - TPE
1 stop38h 00mKorean Air
Mon 5/266:55 pmTPE - SEA
1 stop30h 45mKorean Air
Deal found 5/12$691
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:10 pmSEA - TPE
Nonstop12h 45mDelta
Wed 9/39:35 amTPE - SEA
Nonstop11h 25mDelta
Deal found 5/12$704
This oojo deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:30 pmSEA - TPE
1 stop30h 20mAsiana Airlines
Wed 3/1112:55 pmTPE - SEA
1 stop14h 40mAsiana Airlines
Deal found 5/12$706
This Gotogate deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/71:15 amSEA - TPE
Nonstop12h 40mSTARLUX Airlines
Sun 9/218:10 pmTPE - SEA
Nonstop11h 00mSTARLUX Airlines
Deal found 5/13$717
This KAYAK deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:00 amSEA - TSA
2 stops38h 10mANA
Tue 5/201:35 pmTSA - SEA
1 stop15h 50mANA
Deal found 5/12$726
This FlightHub deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:35 pmSEA - TPE
1 stop18h 10mPhilippine Airlines
Sun 10/199:45 amTPE - SEA
1 stop24h 30mPhilippine Airlines
Deal found 5/13$737
This SmartFares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/71:40 amSEA - TPE
Nonstop12h 25mChina Airlines
Sun 9/2111:30 pmTPE - SEA
Nonstop10h 50mChina Airlines
Deal found 5/13$771
This ANA deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:30 pmSEA - TSA
1 stop32h 20mMultiple Airlines
Mon 9/294:50 pmTSA - SEA
2 stops21h 19mMultiple Airlines
Deal found 5/13$793
This FlightHub deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/272:10 amSEA - TPE
Nonstop12h 00mEVA Air
Thu 3/1211:00 pmTPE - SEA
Nonstop10h 30mEVA Air
Deal found 5/12$795
This Trip.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/42:30 pmSEA - TPE
1 stop30h 20mMultiple Airlines
Mon 8/181:50 pmTPE - SEA
2 stops22h 16mMultiple Airlines
Deal found 5/13$799
This Japan Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/271:30 pmSEA - TSA
1 stop31h 05mJapan Airlines
Tue 3/103:35 pmTSA - SEA
1 stop34h 20mJapan Airlines
Deal found 5/12$941

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Taiwan 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 2,558,603 searches. Data last updated May 14, 2025.
Use the filters below to find and compare flights from Seattle to Taiwan that are best for you.

Fly from

Seattle

Fly to

Taiwan

Route

Depart

Return

Price

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 8/18

5:10 am-6:45 pm

1 stop22h 35m

Taipei City Taiwan Taoyuan Intl

Wed 9/3

9:50 am-12:02 pm

1 stop17h 12m

$688

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Mon 9/8

3:15 pm-12:10 pm

2 stops29h 55m

Taipei City Taiwan Taoyuan Intl

Sun 9/21

6:55 pm-10:40 am

1 stop30h 45m

$697

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sat 8/23

4:10 pm-7:55 pm

Nonstop12h 45m

Taipei City Taiwan Taoyuan Intl

Wed 9/3

9:35 am-6:00 am

Nonstop11h 25m

$704

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Fri 8/29

2:30 pm-11:50 am

1 stop30h 20m

Taipei City Taiwan Taoyuan Intl

Wed 3/11

12:55 pm-12:35 pm

1 stop14h 40m

$706

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 9/7

1:15 am-4:55 am

Nonstop12h 40m

Taipei City Taiwan Taoyuan Intl

Sun 9/21

8:10 pm-4:10 pm

Nonstop11h 00m

$717

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 10/12

11:35 pm-8:45 am

1 stop18h 10m

Taipei City Taiwan Taoyuan Intl

Sun 10/19

9:45 am-7:15 pm

1 stop24h 30m

$737

SeattleTaipei City

SEA - TSA

SEATSA

Seattle/Tacoma Intl

Mon 9/15

4:30 pm-12:10 pm

1 stop28h 40m

Taipei City Sung Shan

Mon 9/29

1:35 pm-2:25 pm

1 stop15h 50m

$751

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Sun 9/7

1:40 am-5:05 am

Nonstop12h 25m

Taipei City Taiwan Taoyuan Intl

Sun 9/21

11:30 pm-7:20 pm

Nonstop10h 50m

$771

SeattleTaipei City

SEA - TSA

SEATSA

Seattle/Tacoma Intl

Mon 9/15

4:30 pm-3:50 pm

1 stop32h 20m

Taipei City Sung Shan

Mon 9/29

4:50 pm-11:09 pm

2 stops21h 19m

$793

SeattleTaipei City

SEA - TPE

SEATPE

Seattle/Tacoma Intl

Wed 8/27

2:10 am-5:10 am

Nonstop12h 00m

Taipei City Taiwan Taoyuan Intl

Thu 3/12

11:00 pm-6:30 pm

Nonstop10h 30m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 29 results
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Best time to book a flight from Seattle to Taiwan

Have a flexible travel schedule? Discover the best time to fly to Taiwan from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Taiwan

What is the cheapest month to book a flight from Seattle to Taiwan?

Currently, October is the cheapest month in which you can book a flight from Seattle to Taiwan (average of $868). Flying from Seattle to Taiwan in June is currently the most expensive (average of $1,411). 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.

What is the cheapest time of day to fly from SEA to TW?

Find hourly flight availability from Seattle to Taiwan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Taiwan as you normally would.

Weekly flight availability from Seattle to Taiwan

Explore weekly flight availability from Seattle to Taiwan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 14, 2025.

The most flights from SEA to TW0 are scheduled on a Wednesday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Taiwan by month

Plan your trip to Taiwan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Taiwan ranges from 2.7 - 11.7 inches per month. June is typically the wettest month, when rainfall can reach 11.7 in. November is typically the driest time to visit Taiwan when rainfall is around 2.7 in.

Temperature in Taiwan by month

Plan your trip to Taiwan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Taiwan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Taiwan

Get insights into the airlines that provide service to Taiwan. 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 Taiwan. Reviews last updated May 14, 2025.
Read through reviews of airlines operating flights from Seattle to Taiwan, such as STARLUX Airlines, EVA Air and Korean Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
168 reviews

Crew

9.3

Boarding

9.1

Food

8.9

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
168 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Crew

9.3

Boarding

9.1

Food

8.9

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,192 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Crew

9.3

Boarding

9.1

Food

8.9

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,073 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Crew

9.3

Boarding

9.1

Food

8.9

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,471 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Crew

9.3

Boarding

9.1

Food

8.9

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
168 reviews

Crew

9.3

Boarding

9.1

Food

8.9

Comfort

9.0

Entertainment

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Taiwan. 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 Taiwan?

    For a flight from Seattle to Taiwan, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

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

    $336 is the cheapest one-way deal found within the past few days, from Asiana Airlines. You may also be able to find cheap deals on Korean Air and Delta, with prices starting from $352 and $367, respectively.

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

    The most popular flight routes from Seattle to Taiwan are Seattle/Tacoma Intl - Taipei City Taiwan Taoyuan Intl, Seattle/Tacoma Intl - Taipei City Sung Shan and Seattle/Tacoma Intl - Kaohsiung City.

  • What are the most reliable airlines from Seattle to Taiwan?

    No one likes to see their flight delayed. When booking a flight from Seattle to Taiwan consider choosing Thai Airways (92%), STARLUX Airlines (91%) or China Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Taiwan?

    While on average a flight from Seattle to Taiwan is generally $2,117, our data shows the cheapest flight currently is $375. When looking at the most popular route, (Seattle/Tacoma Intl - Taipei City Taiwan Taoyuan Intl), you can expect to pay $611 for that flight.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Seattle to Taiwan?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Taiwan (average of $868). Flying from Seattle to Taiwan in June is currently the most expensive (average of $1,411). 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.

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Top 8 airlines flying from Seattle to Taiwan

Discover the top 8 airlines that operate flights from Seattle to Taiwan. 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 2,558,603 searches. Data last updated May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$599Average$647FlexibilityNo cancel feeOn-time76%
DeltaCheapest$671Average$850FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$679Average$803FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$685Average$811FlexibilityNo cancel feeOn-time69%
STARLUX AirlinesCheapest$773Average$883FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$791Average$1,010FlexibilityNo cancel feeOn-time74%
China EasternCheapest$830Average$837FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$857Average$857FlexibilityNo cancel feeOn-time75%

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