Cheap Flights from Seattle-Tacoma International Airport to Sidney (United States) (SDY) Find and Compare the Best Airline Deals | Skyticket

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2025/9
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

-Tacoma－Sidney–Richland Municipal Airport
September Lowest Airfares
USD381

The airfare displayed above is for Alaska Airlines

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-Tacoma－Sidney–Richland Municipal Airport
October Lowest Airfares -----

-Tacoma－Sidney–Richland Municipal Airport
November Lowest Airfares -----
-Tacoma－Sidney–Richland Municipal Airport
December Lowest Airfares -----
-Tacoma－Sidney–Richland Municipal Airport
January Lowest Airfares -----

Seattle－Sidney (United States)
Estimated Flight Time
3 Hours 30 Minutes
Seattle－Sidney (United States)
Number of Operating Airlines
1

Operating Airlines for -Tacoma－Sidney–Richland Municipal Airport Route
Alaska Airlines

Other Destinations from:Seattle

-Tacoma－Sioux Falls(Regional)
USD386〜
-Tacoma－Spokane(GEG)
USD134〜
-Tacoma－South Bend(SBN)
USD520〜
-Tacoma－Springfield (Missouri)(Springfield-Branson National)
USD511〜
-Tacoma－Sitka(Rocky Gutierrez)
USD365〜
-Tacoma－St. Louis(Lambert)
USD187〜
-Tacoma－Syracuse(Hancock)
USD558〜
* Fares vary in accordance to seat availability
Other Departures to: Sidney (United States)

Dallas/Fort Worth Airport－Sidney (United States)(Sidney–Richland Municipal)
USD647〜
* Fares vary in accordance to seat availability