Flights to Western United States, United States of America from NT$15,091

View NT$9,448 flight on Tue, 2026/10/6Opens in a new window

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How much is the cheapest flight to Western United States?

Prices were available within the past 7 days and start at NT$9,448 for one-way flights and NT$15,091 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Tue, Sep 8 - Fri, Sep 18
TPE
Taipei
SEA
Seattle
NT$15,091 Roundtrip, found 2 days ago
NT$15,091
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Tue, Sep 8 from Taipei to Seattle, returning Fri, Sep 18, priced at NT$15,091 found 2 days ago
Cathay Pacific
Tue, Sep 22 - Sun, Sep 27
TPE
Taipei
SFO
San Francisco
NT$18,435 Roundtrip, found 2 hours ago
NT$18,435
Roundtrip
found 2 hours ago
Select Cathay Pacific flight, departing Tue, Sep 22 from Taipei to San Francisco, returning Sun, Sep 27, priced at NT$18,435 found 2 hours ago
Delta
Thu, Apr 30 - Sat, May 2
TPE
Taipei
SAN
San Diego
NT$18,867 Roundtrip, found 2 days ago
NT$18,867
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Apr 30 from Taipei to San Diego, returning Sat, May 2, priced at NT$18,867 found 2 days ago
United
Sat, May 2 - Sun, May 3
TPE
Taipei
SEA
Seattle
NT$19,637 Roundtrip, found 5 days ago
NT$19,637
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 2 from Taipei to Seattle, returning Sun, May 3, priced at NT$19,637 found 5 days ago
Korean Air
Tue, Sep 8 - Fri, Sep 18
TPE
Taipei
SEA
Seattle
NT$22,750 Roundtrip, found 2 days ago
NT$22,750
Roundtrip
found 2 days ago
Select Korean Air flight, departing Tue, Sep 8 from Taipei to Seattle, returning Fri, Sep 18, priced at NT$22,750 found 2 days ago

Frequently asked questions

How do I find cheap flights to Western United States that have flexible change policies?
When it comes to traveling these days, flexibility is important. That's why we have a "No change fee" filter to help you track down flexible, affordable airfares to Western United States. It's on the left of your screen under the "Flexible change policies" subheading.
Which airlines fly to Western United States?
A good selection of airlines fly to destinations in or near Western United States. Your next big adventure is just clicks away with these leading carriers:

  • United Airlines - 26,963 flights to or near Western United States each month, including 13,033 flights to Denver Intl. Airport (DEN) and 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Southwest Airlines - 23,599 flights to or near Western United States each month, including 6,339 flights to Denver Intl. Airport (DEN) and 6,162 flights to McCarran Intl. Airport (LAS) per month.
  • Delta Air Lines - 20,908 flights to or near Western United States each month, including 6,400 flights to Salt Lake City Intl. Airport (SLC) and 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to Western United States?
Book ahead of time, fly with budget airlines, use miles or points — you're not short of ways! Another one is to make use of Expedia's "flexible dates" feature. Search for a Western United States flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Western United States was NT$15,091.
How much is a flight to Western United States?
If you were journeying one way from Taipei (TPE), you could've locked in a cheap seat for NT$9,448 in the last seven days. Round-trip flights to Western United States ranged from only NT$15,091 to NT$22,750 during this same period.
What are the most popular airports to fly into in Western United States?
You've got choices aplenty in Western United States. Once you've figured out where you're headed in the region, picking one of these popular airports will be a total breeze:

  • Denver Intl. Airport (DEN) - 24,249 flights per month.
  • Los Angeles Intl. Airport (LAX) - 16,630 flights per month.
  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.

When is the cheapest time to fly to Western United States?
Consider traveling early on in the week to score a bargain fare to Western United States. Tuesday is normally the most affordable day to take off, with Monday running a close second. Saturday often has the most expensive ticket prices. This is because lots of travelers like to start their getaway on a weekend.
How much is a plane ticket to Western United States?
In the last seven days, journeys to Western United States varied between NT$15,091 and NT$22,750. Prices depend on a number of things, particularly the time of departure, airline, cabin class and when the fare is booked.
What months are the cheapest to book a flight to Western United States?
The best month to secure a great deal to Western United States is February, whereas prices are at their highest in December. Keep clear of this month if you want to save your dollars.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
NT$15,091

Trending flights to Western United States

Prices were available within the past 7 days and start at NT$9,448 for one-way flights and NT$15,091 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Tue, Sep 8 - Fri, Sep 18
TPE
Taipei
SEA
Seattle
NT$15,091 Roundtrip, found 2 days ago
NT$15,091
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Tue, Sep 8 from Taipei to Seattle, returning Fri, Sep 18, priced at NT$15,091 found 2 days ago
*Available to Expedia members.