Cheap Flights from Underwood from ฿1,870

View ฿1,870 flight on Thu, 14 May 2026Opens in a new window

Popular airlines from Underwood

  • Nok Air

  • Thai AirAsia

  • Thai Airways International

  • Thai AirAsia X

  • Hong Kong Airlines

  • AirAsia

  • Scoot

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Underwood

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.

Delta
Thu, 9 Apr - Wed, 15 Apr
PDX
Portland
SEA
Seattle
฿2,485 Return, found 1 day ago
฿2,485
Return
found 1 day ago
Select Delta flight, departing Thu, 9 Apr from Portland to Seattle, returning Wed, 15 Apr, priced at ฿2,485 found 1 day ago
Delta
Tue, 14 Apr - Tue, 28 Apr
PDX
Portland
SEA
Seattle
฿4,320 Return, found 6 days ago
฿4,320
Return
found 6 days ago
Select Delta flight, departing Tue, 14 Apr from Portland to Seattle, returning Tue, 28 Apr, priced at ฿4,320 found 6 days ago
Delta
Tue, 14 Apr - Mon, 27 Apr
PDX
Portland
SEA
Seattle
฿4,630 Return, found 6 days ago
฿4,630
Return
found 6 days ago
Select Delta flight, departing Tue, 14 Apr from Portland to Seattle, returning Mon, 27 Apr, priced at ฿4,630 found 6 days ago
Delta
Tue, 21 Apr - Tue, 5 May
PDX
Portland
LAX
Los Angeles
฿4,920 Return, found 1 day ago
฿4,920
Return
found 1 day ago
Select Delta flight, departing Tue, 21 Apr from Portland to Los Angeles, returning Tue, 5 May, priced at ฿4,920 found 1 day ago
Delta
Mon, 13 Apr - Mon, 27 Apr
PDX
Portland
SEA
Seattle
฿4,945 Return, found 6 days ago
฿4,945
Return
found 6 days ago
Select Delta flight, departing Mon, 13 Apr from Portland to Seattle, returning Mon, 27 Apr, priced at ฿4,945 found 6 days ago
Delta
Wed, 13 May - Sat, 30 May
PDX
Portland
LAX
Los Angeles
฿4,955 Return, found 1 day ago
฿4,955
Return
found 1 day ago
Select Delta flight, departing Wed, 13 May from Portland to Los Angeles, returning Sat, 30 May, priced at ฿4,955 found 1 day ago
Delta
Wed, 27 May - Tue, 16 Jun
PDX
Portland
LAX
Los Angeles
฿4,985 Return, found 1 day ago
฿4,985
Return
found 1 day ago
Select Delta flight, departing Wed, 27 May from Portland to Los Angeles, returning Tue, 16 Jun, priced at ฿4,985 found 1 day ago
Alaska Airlines
Sun, 17 May - Wed, 20 May
PDX
Portland
SEA
Seattle
฿5,885 Return, found 6 days ago
฿5,885
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 17 May from Portland to Seattle, returning Wed, 20 May, priced at ฿5,885 found 6 days ago
American Airlines
Tue, 5 May - Wed, 6 May
PDX
Portland
SFO
San Francisco
฿7,110 Return, found 18 hours ago
฿7,110
Return
found 18 hours ago
Select American Airlines flight, departing Tue, 5 May from Portland to San Francisco, returning Wed, 6 May, priced at ฿7,110 found 18 hours ago
United
Tue, 5 May - Wed, 6 May
PDX
Portland
SFO
San Francisco
฿7,110 Return, found 18 hours ago
฿7,110
Return
found 18 hours ago
Select United flight, departing Tue, 5 May from Portland to San Francisco, returning Wed, 6 May, priced at ฿7,110 found 18 hours ago

Travel information

Flights from Underwood: Essential Travel Information

Cheapest flight from Underwood
฿2,485 (roundtrip)
Best airlines to fly from Underwood
Delta, Alaska Airlines, American Airlines, United
Cheapest month to fly from Underwood
April
Underwood IATA code
DLS
Underwood Country/State
Washington
Airline ticket deals from Underwood
฿2,485 - ฿7,110

 

*Available to Expedia members.