Search

Skip to content

Flights
Hotels
Error Fares
Plans

Login/Register

Finding you the
cheapest flights online Join over 1 million members saving big on flights around the world

Vertical No Ads Box

Vertical No Ads Box

'0'

C. AMERICA & CARIBBEAN

C. AMERICA & CARIBBEAN

Seattle, USA → Hanoi, Vietnam

MONTHS

⚠️ ERROR FARE ⚠️ Western USA to East Asia from only $148 one-way (or $293 roundtrip)

⚠️ ERROR FARE ⚠️ Western USA to East Asia from only $148 one-way (or $293 roundtrip)

Apr 16, 2026

FLIGHT DETAILS & AIRLINE

MONTHS

Seattle to Hanoi, Vietnam for only $459 roundtrip (Sep-Jan dates)

Seattle to Hanoi, Vietnam for only $459 roundtrip (Sep-Jan dates)

Jun 1, 2020

FLIGHT DETAILS & AIRLINE

MONTHS

Seattle to the Philippines or Vietnam from only $509 roundtrip

Seattle to the Philippines or Vietnam from only $509 roundtrip

Oct 22, 2017

FLIGHT DETAILS & AIRLINE

About

How does Secret Flying work?

Support

Frequently Asked Questions

How to get deal alerts

Resources

Travel Glossary

Fuel Dumping Tool

Secret Flying Corp ©

[adblockingdetector id="638efa67113bf"]