Cathay Pacific and American have round-trip flights from New York (JFK) to Ho Chi Minh City (SGN) for $690-$745 with a connection. Flights March to May. Departures on Monday and Wednesday. Holiday blackouts.
A Carry-on bag, checked bag, and also a personal item is allowed for free.
United and ANA have round-trip flights from Denver (DEN) to Ho Chi Minh City (SGN) for $705-$755 with a connection. Flights in November. 7-day minimum stay required. Cheapest flights require a 14-day stay.
Korean Air, Asiana Airlines, and Delta have round-trip flights from Los Angeles (LAX) to Ho Chi Minh City (SGN) for $670-$708 with a connection. Flights in November, February, and March. Departures on Monday, Tuesday, Wednesday, Thursday, and Sunday. No Fridays or Saturdays. Extended weekends available.
Some small OTAs on Skyscanner have this for cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
A Carry-on bag and also a personal item is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
United and ANA have round-trip flights from Denver (DEN) to Ho Chi Minh City (SGN) for $872 with a connection. Flights October, November, and March. No Weekends. Departures on Monday, Tuesday, Wednesday, and Thursday.
Regular Economy. Not Basic. Carry-on, Checked bag, and seat selection is allowed without additional fees.
ANA and United have round-trip flights from Chicago (ORD) to Ho Chi Minh City (SGN) for $581-$591 with a connection. Flights August to October. No Weekends. Departures on Monday, Tuesday, Wednesday, and Thursday.
Note: Fare allows for a stopover in Japan for about +$120. If you want to spend time in both countries this may be a better option than booking separate tickets. You’ll want to pick “multi-city” itinerary and select ORD-NRT/NRT-SGN/SGN-ORD as your route. Example screenshot is provided in the full blog-post.
