Cheap Flights from Union from ฿2,245

View ฿2,245 flight on Tue, 23 Sep 2025Opens 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

  • Lufthansa

    Lufthansa

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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
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
SFO
San Francisco
฿4,485 Return, found 7 hours ago
฿4,485
Return
found 7 hours ago
Select Delta flight, departing Tue, 23 Sep from Seattle to San Francisco, returning Tue, 30 Sep, priced at ฿4,485 found 7 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
SFO
San Francisco
฿4,805 Return, found 11 hours ago
฿4,805
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to San Francisco, returning Sun, 14 Sep, priced at ฿4,805 found 11 hours ago
Delta
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
LAS
Las Vegas
฿4,875 Return, found 6 hours ago
฿4,875
Return
found 6 hours ago
Select Delta flight, departing Tue, 23 Sep from Seattle to Las Vegas, returning Tue, 30 Sep, priced at ฿4,875 found 6 hours ago
Delta
Sun, 9 Nov - Thu, 20 Nov
SEA
Seattle
LAS
Las Vegas
฿5,005 Return, found 15 hours ago
฿5,005
Return
found 15 hours ago
Select Delta flight, departing Sun, 9 Nov from Seattle to Las Vegas, returning Thu, 20 Nov, priced at ฿5,005 found 15 hours ago
Delta
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
DEN
Denver
฿5,135 Return, found 6 hours ago
฿5,135
Return
found 6 hours ago
Select Delta flight, departing Tue, 23 Sep from Seattle to Denver, returning Tue, 30 Sep, priced at ฿5,135 found 6 hours ago
Delta
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
PHX
Phoenix
฿5,200 Return, found 6 hours ago
฿5,200
Return
found 6 hours ago
Select Delta flight, departing Tue, 23 Sep from Seattle to Phoenix, returning Tue, 30 Sep, priced at ฿5,200 found 6 hours ago
Delta
Thu, 13 Nov - Wed, 19 Nov
SEA
Seattle
DEN
Denver
฿5,400 Return, found 1 day ago
฿5,400
Return
found 1 day ago
Select Delta flight, departing Thu, 13 Nov from Seattle to Denver, returning Wed, 19 Nov, priced at ฿5,400 found 1 day ago
United
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
SFO
San Francisco
฿6,770 Return, found 7 hours ago
฿6,770
Return
found 7 hours ago
Select United flight, departing Tue, 23 Sep from Seattle to San Francisco, returning Tue, 30 Sep, priced at ฿6,770 found 7 hours ago
American Airlines
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
SFO
San Francisco
฿7,410 Return, found 7 hours ago
฿7,410
Return
found 7 hours ago
Select American Airlines flight, departing Tue, 23 Sep from Seattle to San Francisco, returning Tue, 30 Sep, priced at ฿7,410 found 7 hours ago
Alaska Airlines
Sun, 7 Sep - Thu, 11 Sep
PAE
Seattle
LAS
Las Vegas
฿14,935 Return, found 1 day ago
฿14,935
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 7 Sep from Seattle to Las Vegas, returning Thu, 11 Sep, priced at ฿14,935 found 1 day ago

Flights from Union: Essential Travel Information

Cheapest flight from Union
฿4,485 (roundtrip)
Best airlines to fly from Union
Delta, United, American Airlines, Alaska Airlines
Cheapest month to fly from Union
September
Union IATA code
SEA
Union Country/State
Washington
Airline ticket deals from Union
฿4,485 - ฿25,170

 

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