Washington to Ho Chi Minh City DCA, IAD → SGN
Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Tan Son Nhat International Airport (SGN)
The cheapest return found recently is $1,086 with Korean Air, 12 Jan 2027 – 2 Feb 2027, found today.
Return
The cheapest return fare on each of 4 departure dates is usually $1,080 to $1,130.
Cheapest return found recently
$1,086
12 Jan 2027 – 2 Feb 2027 · Korean Air
Washington Dulles International Airport (IAD) → Tan Son Nhat International Airport (SGN)
Leaves 11:50 a.m. · Return leaves 2:05 p.m. · 54 h 45 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,086 12 Jan 2027 – 2 Feb 2027found todaySee prices for these dates
$1,060 31 Oct – 30 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $530 to $1,187.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 31 Oct to 13 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 21-night return fares leaving within 3 days of 12 Jan 2027 to compare.
Every date we hold
16 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 31 Oct – 30 Nov | $1,060 | Alaska Airlines | Washington Dulles International Airport (IAD) → Tan Son Nhat International Airport (SGN) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 11 Jan 2027 – 4 Feb 2027 | $1,138 | Korean Air | Washington Dulles International Airport (IAD) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 12 Jan 2027 – 2 Feb 2027 | $1,086 | Korean Air | Washington Dulles International Airport (IAD) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 13 Jan 2027 – 2 Feb 2027 | $1,127 | EVA Air | Washington Dulles International Airport (IAD) → Tan Son Nhat International Airport (SGN) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $1,060.
Airlines on the cheapest dates: Korean Air, Alaska Airlines, EVA Air.
Premium cabin fares from Washington to Ho Chi Minh City
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 12 Jan 2027 – 2 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Washington to Ho Chi Minh City?
Return
Fares 90 to 179 days before departure were typically 7% lower than 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $1,060 | $655 | +7% | 12 |
| 30–59 days | $1,070 | $580 | +8% | 8 |
| 90–179 days | $990 | $990 | Cheapest seen | 13 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Ho Chi Minh City
57 km from Washington
$1,149
$63 more than flying from Washington
31 Oct – 30 Nov · BWI → SGN · out 2 stops, back 2 stops
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 12 Jan 2027 – 2 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work