
Popular airlines to Union City
- Alaska Airlines
Alaska Airlines
- Southwest Airlines
Southwest Airlines
- Delta
Delta
- Volaris
Volaris
- Aeromexico
Aeromexico
- Hawaiian Airlines
Hawaiian Airlines
- Viva Aerobus
Viva Aerobus
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 45% on select hotels after you book a flight*
How much is the cheapest flight to Union City?
Prices were available within the past 7 days and start at NT$11,485 for one-way flights and NT$17,827 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 12 - Tue, Feb 24
HKG
Hong Kong SAR
SFO
San Francisco
NT$17,827 Roundtrip, found 5 days ago
NT$17,827
Roundtrip
found 5 days ago

Tue, Jun 23 - Sun, Aug 30
TPE
Taipei
SFO
San Francisco
NT$18,404 Roundtrip, found 3 days ago
NT$18,404
Roundtrip
found 3 days ago

Thu, May 14 - Wed, May 20
TPE
Taipei
SFO
San Francisco
NT$19,397 Roundtrip, found 1 hour ago
NT$19,397
Roundtrip
found 1 hour ago

Fri, Jan 30 - Tue, Feb 3
TPE
Taipei
SFO
San Francisco
NT$19,683 Roundtrip, found 14 hours ago
NT$19,683
Roundtrip
found 14 hours ago

Tue, Jan 27 - Sun, Feb 15
TPE
Taipei
SJC
San Jose
NT$20,901 Roundtrip, found 4 days ago
NT$20,901
Roundtrip
found 4 days ago
Frequently asked questions
Destination airport | San Francisco Intl. |
|---|---|
Destination airport IATA code | SFO |
Destination city name | San Francisco |
Roundtrip price | NT$3,065 |
Trending flights to Union City
Prices were available within the past 7 days and start at NT$11,485 for one-way flights and NT$17,827 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 23 - Sun, Aug 30
TPE
Taipei
SFO
San Francisco
NT$18,404 Roundtrip, found 3 days ago
NT$18,404
Roundtrip
found 3 days ago
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