Flights to Kelso - Longview from Washington - ￥23,390

View ￥23,390 flight on Wed, Nov 19, 2025Opens in a new window

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Cheap Flights from Washington to Kelso - Longview (WAS-PDX)

Prices were available within the past 7 days and start at ￥23,390 for one-way flights and ￥47,020 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Aug 19 - Tue, Aug 26
IAD
Washington
PDX
Portland
￥47,020 Roundtrip, found 3 hours ago
￥47,020
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Washington to Portland, returning Tue, Aug 26, priced at ￥47,020 found 3 hours ago
Delta
Tue, Aug 19 - Tue, Aug 26
DCA
Washington
PDX
Portland
￥47,020 Roundtrip, found 3 hours ago
￥47,020
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Aug 19 from Washington to Portland, returning Tue, Aug 26, priced at ￥47,020 found 3 hours ago
American Airlines
Tue, Aug 19 - Tue, Aug 26
DCA
Washington
PDX
Portland
￥47,020 Roundtrip, found 3 hours ago
￥47,020
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Washington to Portland, returning Tue, Aug 26, priced at ￥47,020 found 3 hours ago
American Airlines
Fri, Aug 15 - Wed, Aug 20
IAD
Washington
PDX
Portland
￥49,780 Roundtrip, found 22 hours ago
￥49,780
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Fri, Aug 15 from Washington to Portland, returning Wed, Aug 20, priced at ￥49,780 found 22 hours ago
American Airlines
Tue, Aug 19 - Tue, Aug 26
BWI
Baltimore
PDX
Portland
￥49,930 Roundtrip, found 3 hours ago
￥49,930
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Baltimore to Portland, returning Tue, Aug 26, priced at ￥49,930 found 3 hours ago
United
Tue, Aug 19 - Tue, Aug 26
IAD
Washington
PDX
Portland
￥56,000 Roundtrip, found 3 hours ago
￥56,000
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Aug 19 from Washington to Portland, returning Tue, Aug 26, priced at ￥56,000 found 3 hours ago

Find the cheapest month to fly from Washington (WAS) to Portland (PDX)

September is typically the cheapest month to fly

From ￥14,029 - ￥39,205 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.