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Amazing United IAH to SGN Flight Deals

The cheapest flights to Tan Son Nhat Intl. found within the past 7 days were $777 round trip and $481 one way. Prices and availability subject to change. Additional terms may apply.


FAQs about United Airlines Flights from IAH to SGN

Flying Tips & Tricks How do I find my flight number?
  • You will receive a travel itinerary when you finish your booking. In this document you'll come across your flight number. The first letters and single digit identify the airline (these are called IATA airline codes). This is followed by one, two, three or four digits — the flight number.
How early can you check bags for a flight?
  • If you're jetting off on an international flight, you can generally drop off your luggage three hours before departure. For domestic departures, two hours is standard. Why not ease some of the stress of traveling and arrive nice and early? That way, you don't have to worry about missing the bag drop completely. It usually closes 45 minutes before domestic flights and an hour before internationals.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.