Popular airlines from Seattle to Sidney
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
DeltaDelta
Frontier AirlinesFrontier Airlines
JetBlue AirwaysJetBlue Airways
Alaska AirlinesAlaska Airlines
Cheap Flights from Seattle to Sidney (SEA-GDV)
Prices were available within the past 7 days and start at $163 for one-way flights and $288 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat, Nov 1 - Mon, Nov 3
SEA
Seattle
SDY
Sidney
$288 Roundtrip, found 4 days ago
$288
Roundtrip
found 4 days ago
Sat, Oct 4 - Sat, Oct 11
SEA
Seattle
SDY
Sidney
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Mon, Sep 8 - Mon, Sep 15
SEA
Seattle
SDY
Sidney
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Mon, Oct 6 - Sat, Oct 11
SEA
Seattle
SDY
Sidney
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Sat, Oct 4 - Tue, Oct 14
SEA
Seattle
SDY
Sidney
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Fri, Sep 5 - Sat, Sep 6
SEA
Seattle
SDY
Sidney
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Alternative airports near Sidney
Prices were available within the past 7 days. Prices and availability are subject to change.
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- Flights from Fort Myers (RSW) to Sidney (SDY)
- Flights from Welkom (WEL) to Sidney (SDY)
- Flights from Duluth (DLH) to Sidney (SDY)
- Flights from New York (LGA) to Sidney (SDY)
- Flights from Knoxville (TYS) to Sidney (SDY)
- Flights from Flint (FNT) to Sidney (SDY)
- Flights from St. Louis (STL) to Sidney (SDY)
- Flights from Edmonton (YEG) to Sidney (SDY)
- Flights from Greenville (GSP) to Sidney (SDY)
- Flights from Columbia (CAE) to Sidney (SDY)
- Flights from Ontario (ONT) to Sidney (SDY)
- Flights from St. George (SGU) to Sidney (SDY)
- Flights from Boston (BOS) to Sidney (SDY)
- Flights from Hamilton (YHM) to Sidney (SDY)
- Flights from Sacramento (SMF) to Sidney (SDY)
- Flights from Ovalau (LEV) to Sidney (SDY)
- Flights from Wolf Point (OLF) to Sidney (SDY)
*Available to One Key members.