Houston to Buenos Aires flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Houston to Buenos Aires is €552 (checked on 30 Oct 2026).
Your next trip, last seen at €552
Lowest observedWhen to fly
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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
- Lowest observed
- €552, departing 2 Feb 2027 (Last checked: 30 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 186Check live prices for this route
- Non-stop, one way
- €1,175, departing 16 Feb 2027 (Last checked: 30 Oct 2026)
- Airlines seen
- United Airlines, Aeromexico, Air Canada, American Airlines, Avianca, Frontier Airlines
- Reported fastest flight
- 9h 50m
- Non-stop
- Yes
About this route
Explore the fares we observed from Houston to Buenos Aires. Prices move often, so pick your dates to see the latest options.
- Route distance
- 8,142 km
- Reported fastest flight
- 9h 50m
- Alternative airports
- HOU, AEP
Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.
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.
- Aeroparque Jorge Newbery (AEP) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 7 km.
- Ezeiza International Airport - Ministro Pistarini (EZE) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 28 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 fare by departure month
Cheapest month from Houston to Buenos Aires: February 2027, from €552 (checked 30 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €593 | 11 |
| December 2026 | €618 | 31 |
| January 2027 | €615 | 31 |
| February 2027 | €552 | 28 |
| March 2027 | €552 | 31 |
| April 2027 | €552 | 30 |
| May 2027 | €615 | 24 |
Lowest fare by day of the week
Cheapest day of the week from Houston to Buenos Aires: Tuesday, from €552 (checked 30 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €556 | 27 |
| Tuesday | €552 | 26 |
| Wednesday | €552 | 26 |
| Thursday | €552 | 26 |
| Friday | €552 | 27 |
| Saturday | €552 | 27 |
| Sunday | €552 | 27 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Houston to Buenos Aires by days until departure (61 days or more): €552 (checked 30 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €593 | 15 |
| 31 to 60 days | €629 | 30 |
| 61 days or more | €552 | 141 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Houston to Buenos Aires: Air Canada, from €552 (checked 30 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Air Canada | €552Feb 16, 2027 | 6 |
| Aeromexico | €651Feb 16, 2027 | 6 |
| Avianca | €905Feb 7, 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 Buenos Aires?
The lowest fare Routavio has observed is €552, found on 30 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Houston to Buenos Aires?
Cheapest month from Houston to Buenos Aires: February 2027, from €552 (checked 30 Oct 2026).
Are there direct flights from Houston to Buenos Aires?
Yes. Published schedules report non-stop flights on this route with United Airlines.
Which airlines fly from Houston to Buenos Aires?
Routavio has seen these carriers on the route: United Airlines, Aeromexico, Air Canada, American Airlines, Avianca, Frontier Airlines.
How much is a non-stop flight from Houston to Buenos Aires?
Cheapest non-stop one-way fare: €1,175, departing 16 Feb 2027 (checked 30 Oct 2026).
Which day of the week is cheapest from Houston to Buenos Aires?
Cheapest day of the week from Houston to Buenos Aires: Tuesday, from €552 (checked 30 Oct 2026).
Which airline has the lowest fare from Houston to Buenos Aires?
Cheapest airline from Houston to Buenos Aires: Air Canada, from €552 (checked 30 Oct 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.

