Flights from Sidney to Seattle

Cheapest flights from Sidney

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

Mon, Jul 14 - Tue, Jul 29

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$324 Roundtrip, found 1 day ago

$324

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jul 14 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Tue, Jul 29, priced at $324 found 1 day ago

Sat, Jul 19 - Tue, Jul 29

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$334 Roundtrip, found 1 day ago

$334

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Tue, Jul 29, priced at $334 found 1 day ago

Mon, Jul 14 - Wed, Jul 23

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jul 14 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Wed, Jul 23, priced at $359 found 1 day ago

Thu, Jul 17 - Sat, Jul 26

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 17 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sat, Jul 26, priced at $359 found 1 day ago

Fri, Jul 18 - Tue, Jul 29

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$369 Roundtrip, found 1 day ago

$369

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 18 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Tue, Jul 29, priced at $369 found 1 day ago

Sat, Jul 19 - Wed, Jul 23

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$374 Roundtrip, found 1 day ago

$374

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Wed, Jul 23, priced at $374 found 1 day ago

Wed, Jul 16 - Tue, Jul 29

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$379 Roundtrip, found 1 day ago

$379

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 16 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Tue, Jul 29, priced at $379 found 1 day ago

Sat, Jul 19 - Thu, Jul 24

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$384 Roundtrip, found 1 day ago

$384

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Thu, Jul 24, priced at $384 found 1 day ago

Mon, Jul 14 - Sun, Jul 27

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$389 Roundtrip, found 1 day ago

$389

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jul 14 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sun, Jul 27, priced at $389 found 1 day ago

Sat, Jul 19 - Mon, Jul 28

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$394 Roundtrip, found 1 day ago

$394

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Mon, Jul 28, priced at $394 found 1 day ago

Sat, Jul 19 - Sun, Jul 27

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$399 Roundtrip, found 1 day ago

$399

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sun, Jul 27, priced at $399 found 1 day ago

Fri, Jul 18 - Wed, Jul 23

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$404 Roundtrip, found 1 day ago

$404

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 18 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Wed, Jul 23, priced at $404 found 1 day ago

Mon, Jul 14 - Sat, Jul 26

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$409 Roundtrip, found 1 day ago

$409

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jul 14 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sat, Jul 26, priced at $409 found 1 day ago

Wed, Jul 16 - Wed, Jul 23

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$414 Roundtrip, found 1 day ago

$414

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 16 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Wed, Jul 23, priced at $414 found 1 day ago

Mon, Jul 14 - Fri, Jul 25

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$419 Roundtrip, found 1 day ago

$419

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jul 14 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Fri, Jul 25, priced at $419 found 1 day ago

Thu, Jul 17 - Sat, Jul 26

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$419 Roundtrip, found 1 day ago

$419

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 17 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sat, Jul 26, priced at $419 found 1 day ago

Sat, Jul 19 - Sat, Jul 26

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$424 Roundtrip, found 1 day ago

$424

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 19 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sat, Jul 26, priced at $424 found 1 day ago

Thu, Jul 17 - Sat, Jul 26

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$429 Roundtrip, found 1 day ago

$429

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 17 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sat, Jul 26, priced at $429 found 1 day ago

Fri, Jul 18 - Sun, Jul 27

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$434 Roundtrip, found 1 day ago

$434

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 18 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Sun, Jul 27, priced at $434 found 1 day ago

Sun, Jul 20 - Fri, Jul 25

BFF

Western Nebraska Regional

SEA

Seattle - Tacoma Intl.

$441 Roundtrip, found 1 day ago

$441

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jul 20 from Western Nebraska Regional to Seattle - Tacoma Intl., returning Fri, Jul 25, priced at $441 found 1 day ago