Cheap Flights from Union from ฿1,590

View ฿1,590 flight on Tue, 24 Feb 2026Opens in a new window

Popular airlines from Union

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Air Canada

    Air Canada

  • Frontier Airlines

    Frontier Airlines

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Cheapest flights from Union

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 17 Jan - Sat, 31 Jan
SEA
Seattle
SFO
San Francisco
฿3,825 Return, found 5 days ago
฿3,825
Return
found 5 days ago
Select Delta flight, departing Sat, 17 Jan from Seattle to San Francisco, returning Sat, 31 Jan, priced at ฿3,825 found 5 days ago
Delta
Thu, 1 Jan - Thu, 15 Jan
SEA
Seattle
DEN
Denver
฿3,825 Return, found 3 days ago
฿3,825
Return
found 3 days ago
Select Delta flight, departing Thu, 1 Jan from Seattle to Denver, returning Thu, 15 Jan, priced at ฿3,825 found 3 days ago
Delta
Thu, 8 Jan - Mon, 12 Jan
SEA
Seattle
LAS
Las Vegas
฿3,825 Return, found 3 days ago
฿3,825
Return
found 3 days ago
Select Delta flight, departing Thu, 8 Jan from Seattle to Las Vegas, returning Mon, 12 Jan, priced at ฿3,825 found 3 days ago
Delta
Thu, 8 Jan - Sun, 11 Jan
SEA
Seattle
SAN
San Diego
฿3,900 Return, found 3 hours ago
฿3,900
Return
found 3 hours ago
Select Delta flight, departing Thu, 8 Jan from Seattle to San Diego, returning Sun, 11 Jan, priced at ฿3,900 found 3 hours ago
Delta
Sat, 17 Jan - Sat, 31 Jan
SEA
Seattle
SFO
San Francisco
฿4,145 Return, found 5 days ago
฿4,145
Return
found 5 days ago
Select Delta flight, departing Sat, 17 Jan from Seattle to San Francisco, returning Sat, 31 Jan, priced at ฿4,145 found 5 days ago
Delta
Sat, 17 Jan - Sat, 31 Jan
SEA
Seattle
SFO
San Francisco
฿4,465 Return, found 5 days ago
฿4,465
Return
found 5 days ago
Select Delta flight, departing Sat, 17 Jan from Seattle to San Francisco, returning Sat, 31 Jan, priced at ฿4,465 found 5 days ago
Delta
Sat, 17 Jan - Sat, 31 Jan
SEA
Seattle
SFO
San Francisco
฿4,965 Return, found 5 days ago
฿4,965
Return
found 5 days ago
Select Delta flight, departing Sat, 17 Jan from Seattle to San Francisco, returning Sat, 31 Jan, priced at ฿4,965 found 5 days ago
United
Sat, 17 Jan - Sat, 31 Jan
SEA
Seattle
SFO
San Francisco
฿5,285 Return, found 5 days ago
฿5,285
Return
found 5 days ago
Select United flight, departing Sat, 17 Jan from Seattle to San Francisco, returning Sat, 31 Jan, priced at ฿5,285 found 5 days ago
American Airlines
Thu, 8 Jan - Mon, 12 Jan
SEA
Seattle
LAS
Las Vegas
฿5,640 Return, found 3 days ago
฿5,640
Return
found 3 days ago
Select American Airlines flight, departing Thu, 8 Jan from Seattle to Las Vegas, returning Mon, 12 Jan, priced at ฿5,640 found 3 days ago
Alaska Airlines
Mon, 29 Dec - Thu, 1 Jan
SEA
Seattle
MIA
Miami
฿16,485 Return, found 4 days ago
฿16,485
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 29 Dec from Seattle to Miami, returning Thu, 1 Jan, priced at ฿16,485 found 4 days ago

Flights from Union: Essential Travel Information

Cheapest flight from Union
฿3,825 (roundtrip)
Best airlines to fly from Union
Delta, United, Alaska Airlines, American Airlines
Cheapest month to fly from Union
January
Union IATA code
SEA
Union Country/State
Washington
Airline ticket deals from Union
฿3,825 - ฿16,485

 

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