Cheap flights from Index

View AU$68 flight on Sun, 16 Nov 2025Opens in a new window

Popular airlines from Index

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Air Canada

    Air Canada

  • Frontier Airlines

    Frontier Airlines

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Cheapest flights from Index

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.

Alaska Airlines
Fri, 14 Nov - Sun, 16 Nov
SEA
Seattle
DEN
Denver
AU$135 Return, found 18 hours ago
AU$135
Return
found 18 hours ago
Select Alaska Airlines flight, departing Fri, 14 Nov from Seattle to Denver, returning Sun, 16 Nov, priced at AU$135 found 18 hours ago
Delta
Fri, 14 Nov - Sun, 16 Nov
SEA
Seattle
DEN
Denver
AU$149 Return, found 18 hours ago
AU$149
Return
found 18 hours ago
Select Delta flight, departing Fri, 14 Nov from Seattle to Denver, returning Sun, 16 Nov, priced at AU$149 found 18 hours ago
Delta
Fri, 14 Nov - Sun, 16 Nov
SEA
Seattle
DEN
Denver
AU$163 Return, found 18 hours ago
AU$163
Return
found 18 hours ago
Select Delta flight, departing Fri, 14 Nov from Seattle to Denver, returning Sun, 16 Nov, priced at AU$163 found 18 hours ago
Delta
Sat, 25 Oct - Mon, 27 Oct
SEA
Seattle
DEN
Denver
AU$166 Return, found 4 days ago
AU$166
Return
found 4 days ago
Select Delta flight, departing Sat, 25 Oct from Seattle to Denver, returning Mon, 27 Oct, priced at AU$166 found 4 days ago
Alaska Airlines
Thu, 4 Dec - Wed, 10 Dec
SEA
Seattle
SFO
San Francisco
AU$178 Return, found 2 days ago
AU$178
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 4 Dec from Seattle to San Francisco, returning Wed, 10 Dec, priced at AU$178 found 2 days ago
Alaska Airlines
Thu, 13 Nov - Tue, 18 Nov
PAE
Seattle
SFO
San Francisco
AU$178 Return, found 3 days ago
AU$178
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Nov from Seattle to San Francisco, returning Tue, 18 Nov, priced at AU$178 found 3 days ago
Alaska Airlines
Fri, 14 Nov - Sun, 16 Nov
SEA
Seattle
DEN
Denver
AU$186 Return, found 18 hours ago
AU$186
Return
found 18 hours ago
Select Alaska Airlines flight, departing Fri, 14 Nov from Seattle to Denver, returning Sun, 16 Nov, priced at AU$186 found 18 hours ago
Hawaiian Airlines
Mon, 20 Oct - Tue, 28 Oct
SEA
Seattle
DEN
Denver
AU$234 Return, found 3 days ago
AU$234
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, 20 Oct from Seattle to Denver, returning Tue, 28 Oct, priced at AU$234 found 3 days ago
American Airlines
Thu, 4 Dec - Wed, 10 Dec
SEA
Seattle
SFO
San Francisco
AU$241 Return, found 2 days ago
AU$241
Return
found 2 days ago
Select American Airlines flight, departing Thu, 4 Dec from Seattle to San Francisco, returning Wed, 10 Dec, priced at AU$241 found 2 days ago
United
Fri, 14 Nov - Sun, 16 Nov
SEA
Seattle
DEN
Denver
AU$257 Return, found 18 hours ago
AU$257
Return
found 18 hours ago
Select United flight, departing Fri, 14 Nov from Seattle to Denver, returning Sun, 16 Nov, priced at AU$257 found 18 hours ago

Flights from Index: Essential Travel Information

Cheapest flight from Index
AU$135 (roundtrip)
Best airlines to fly from Index
Alaska Airlines, Delta, American Airlines, United, Hawaiian Airlines
Cheapest month to fly from Index
November
Index IATA code
null
Index Country/State
Washington
Airline ticket deals from Index
AU$135 - AU$257

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