Houston to Hanoi flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Houston to Hanoi is €514 with Frontier Airlines (checked on 6 Nov 2026).
Your next trip, last seen at €514
Below averageFrontier Airlines · 3 stops · One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 19 Mar€585
- 20 Mar€579
- 21 Mar€589
- 22 Mar€580
- 23 Mar€565
- 24 Mar€583
- 25 Mar€584
- 26 Mar€514
- 27 Mar€579
- 28 Mar€590
- 29 Mar€578
- 30 Mar€536
- 31 Mar€540
- Lowest observed
- €514, departing 26 Mar 2027 (Last checked: 6 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 16Check live prices for this route
- Airlines seen
- Air Canada, ANA, Cathay Pacific, Frontier Airlines, Japan Airlines, JetBlue, KLM, Korean Air, Qatar Airways, Turkish Airlines, United Airlines, Vietjet, ZIPAIR (13)
- Typical journey time
- 29h 25m
About this route
Explore the fares we observed from Houston to Hanoi. Prices move often, so pick your dates to see the latest options.
- Route distance
- 13,928 km
- Typical journey time
- 29h 25m
- Airlines seen
- Air Canada, ANA, Cathay Pacific, Frontier Airlines, Japan Airlines, JetBlue, KLM, Korean Air, Qatar Airways, Turkish Airlines, United Airlines, Vietjet, ZIPAIR (13)
- Seen on fares with a connection
- Turkish Airlines, Frontier Airlines, ZIPAIR, JetBlue, Cathay Pacific, Korean Air, Air Canada, United Airlines, KLM (9)
- Alternative airports
- HOU
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- William P. Hobby Airport (HOU) → Houston, city gazetteer reference point (29.7628, -95.3831): ≈ 17 km.
- George Bush Intercontinental Airport (IAH) → Houston, city gazetteer reference point (29.7628, -95.3831): ≈ 25 km.
- Noi Bai International Airport (HAN) → Hanoi, city gazetteer reference point (21.0278, 105.8342): ≈ 22 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Houston to Hanoi: Frontier Airlines, from €514 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €514Mar 26, 2027 | 9 |
| Air Canada | €540Mar 31, 2027 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Houston to Hanoi?
The lowest fare Routavio has observed is €514, found on 6 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Houston to Hanoi?
In our observations March 2027 is the cheapest month so far, at €514.
Are there direct flights from Houston to Hanoi?
Our data holds no non-stop flight from Houston to Hanoi. The fares on this page include at least one stop.
Which airlines fly from Houston to Hanoi?
Routavio has seen these carriers on the route: Air Canada, ANA, Cathay Pacific, Frontier Airlines, Japan Airlines, JetBlue, KLM, Korean Air, Qatar Airways, Turkish Airlines, United Airlines, Vietjet, ZIPAIR (13).
How long does the flight from Houston to Hanoi take?
Across the 83 fares Routavio observed, the average journey time is 33h 35m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Houston to Hanoi fares were non-stop?
None of the 83 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Houston to Hanoi?
Cheapest airline from Houston to Hanoi: Frontier Airlines, from €514 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.