United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding on long-haul routes.
United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Round-trip from | $613 (United Airlines) |
|---|---|
One-way from | $298 (SmartFares) |
Popular in | December |
Cheapest in | January |
Average price | $1,728 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Fri 1/16
5:00 am-7:50 pm
2 stops22h 50m
Taipei City Taiwan Taoyuan Intl
Sun 1/25
11:10 am-6:27 pm
1 stop23h 17m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Sun 2/8
5:00 am-7:50 pm
2 stops22h 50m
Taipei City Taiwan Taoyuan Intl
Wed 2/25
11:10 am-6:03 pm
2 stops22h 53m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Tue 2/24
12:15 pm-5:45 am
2 stops25h 30m
Taipei City Taiwan Taoyuan Intl
Wed 3/4
3:50 pm-6:26 pm
1 stop18h 36m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Wed 1/21
5:00 am-7:50 pm
2 stops22h 50m
Taipei City Taiwan Taoyuan Intl
Mon 2/2
11:10 am-6:28 pm
1 stop23h 18m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Sat 1/31
12:25 pm-5:45 am
2 stops25h 20m
Taipei City Taiwan Taoyuan Intl
Sat 2/7
11:10 am-6:26 pm
2 stops23h 16m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Sat 1/24
5:00 am-7:50 pm
2 stops22h 50m
Taipei City Taiwan Taoyuan Intl
Tue 2/3
11:10 am-11:30 am
1 stop16h 20m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Sun 2/22
7:10 pm-7:50 pm
2 stops32h 40m
Taipei City Taiwan Taoyuan Intl
Wed 2/25
11:10 am-3:41 pm
1 stop20h 31m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Thu 1/15
12:24 pm-5:45 am
2 stops25h 21m
Taipei City Taiwan Taoyuan Intl
Sun 1/25
11:10 am-4:29 pm
2 stops21h 19m
Los AngelesTaipei City
LAX - TPE
LAXTPE
Los Angeles
Wed 3/18
8:30 am-6:10 pm
2 stops42h 40m
Taipei City Taiwan Taoyuan Intl
Sat 4/4
6:55 pm-8:35 pm
2 stops40h 40m
SeattleTaipei City
SEA - TPE
SEATPE
Seattle/Tacoma Intl
Sun 3/8
4:55 pm-9:05 pm
Nonstop13h 10m
Taipei City Taiwan Taoyuan Intl
Thu 3/19
9:55 am-6:00 am
Nonstop11h 05m
Currently, January is the cheapest month in which you can book a flight from USA to Taipei City (average of $616). Flying from USA to Taipei City in June is currently the most expensive (average of $860). 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.
Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from USA to Taipei City by exploring options for tickets in the afternoon.
Travelers seeking maximum savings on their USA to Taipei City flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from US0 to TW1 are scheduled on a Monday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).
About 19% of weekly flights between United States and Taipei City have experienced delays in the past year, with the average delay time being 145 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, STARLUX Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$351 | Average$678 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$537 | Average$572 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$595 | Average$873 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$619 | Average$1,015 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$634 | Average$744 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$636 | Average$682 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$656 | Average$897 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$657 | Average$957 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$664 | Average$969 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$666 | Average$1,083 | FlexibilityNo cancel fee | On-time76% |