Book United Seattle to Williston flight deals from $289

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Search flights from Seattle to Williston (SEA - ISN)

November

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Saturday 17th

Return Sunday 2nd
from$ 440*Viewed: 1 hour ago

Friday 23rd

Return Saturday 8th
from$ 344*Viewed: 1 hour ago

Friday 30th

Return Saturday 15th
from$ 380*Viewed: 1 hour ago

December

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Saturday 1st

Return Sunday 16th
from$ 393*Viewed: 1 hour ago

Saturday 8th

Return Sunday 23rd
from$ 518*Viewed: 1 hour ago

Friday 28th

Return Saturday 12th
from$ 477*Viewed: 1 hour ago

January

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Saturday 5th

Return Sunday 20th
from$ 314*Viewed: 1 hour ago

Friday 11th

Return Saturday 26th
from$ 293*Viewed: 1 hour ago

Saturday 12th

Return Sunday 27th
from$ 289*Viewed: 1 hour ago
**Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply..

Plan ahead for flights from Seattle to Williston

from
to
Type
Dates
Price*
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Sat 12 Jan 2019
Return Sun 27 Jan 2019
from$ 289*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Fri 11 Jan 2019
Return Sat 26 Jan 2019
from$ 293*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Sat 5 Jan 2019
Return Sun 20 Jan 2019
from$ 314*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Fri 4 Jan 2019
Return Sat 19 Jan 2019
from$ 318*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Fri 23 Nov 2018
Return Sat 8 Dec 2018
from$ 344*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Fri 30 Nov 2018
Return Sat 15 Dec 2018
from$ 380*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Sat 1 Dec 2018
Return Sun 16 Dec 2018
from$ 393*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Sat 17 Nov 2018
Return Sun 2 Dec 2018
from$ 440*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Thu 10 Jan 2019
Return Fri 25 Jan 2019
from$ 447*Viewed: 1 hour ago
Seattle (SEA)
to Williston (ISN)
Roundtrip
Depart Thu 17 Jan 2019
Return Fri 1 Feb 2019
from$ 447*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Williston

38 °FSaturday10/20/2018
50 °FSunday10/21/2018
47 °FMonday10/22/2018
52 °FTuesday10/23/2018
55 °FWednesday10/24/2018
49 °FThursday10/25/2018
50 °FFriday10/26/2018
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