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Flights from Houston to Buenos Aires

Hi, I've summed up all the key info for Houston to Buenos Aires flights

Cheapest one-way

$ 373
Frontier Airlines Sat, Sep 12

72% below next 30d avg. ($1,347)

Cheapest round-trip

$ 1,002
American Airlines Tue, Sep 29

52% below next 30d avg. ($2,093)

When to travel

October Cheapest month
July Peak month

Fastest flight

9h 45m Avg: 9h 45m

Recommended airlines

With a lowest one-way fare of $373 , travelers can expect an average price of $1,347 for upcoming trips, while round-trip tickets start at $1,002 . Flights typically take around 9h 45m , but the fastest nonstop option completes the journey in just 9h 45m minutes. There are 6 flights weekly on this route. You can arrive at any of the following airports in Buenos Aires: Ezeiza International Airport (EZE) , and Jorge Newbery Airport (AEP) . Flights from George Bush Intercontinental Airport to Ezeiza International Airport (IAH-EZE) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 1d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Houston to Buenos Aires over the next 90 days, with one-way fares from $373 and round-trip from $1,002. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAH 8:15 PM
        9h 45m
        Nonstop
        EZE 8:00 AM
        Houston - Buenos Aires | Mon, Sep 14 | United Airlines
        EZE 9:00 PM
        10h 15m
        Nonstop
        IAH 5:15 AM
        Buenos Aires - Houston | Mon, Sep 21 | United Airlines
        $1,316 $1,624
        19% off
        19% off
        $1,624 $1,316
      • IAH 5:32 AM
        20h 58m
        1 stop
        EZE 4:30 AM
        Houston - Buenos Aires | Tue, Sep 29 | American Airlines
        EZE 8:00 AM
        17h 47m
        1 stop
        IAH 11:47 PM
        Buenos Aires - Houston | Tue, Oct 6 | Aerolineas Argentinas
        $1,002 $1,624
        38% off
        38% off
        $1,624 $1,002
      • IAH 5:32 AM
        20h 58m
        1 stop
        EZE 4:30 AM
        Houston - Buenos Aires | Wed, Sep 23 | American Airlines
        EZE 8:00 AM
        15h 59m
        1 stop
        IAH 9:59 PM
        Buenos Aires - Houston | Mon, Sep 28 | Aerolineas Argentinas
        $1,013 $1,624
        38% off
        38% off
        $1,624 $1,013
      • IAH 10:46 AM
        15h 44m
        1 stop
        EZE 4:30 AM
        Houston - Buenos Aires | Mon, Sep 21 | American Airlines
        EZE 8:00 AM
        15h 59m
        1 stop
        IAH 9:59 PM
        Buenos Aires - Houston | Fri, Sep 25 | Aerolineas Argentinas
        $1,244
        23% off
        $1,624 $1,244
      • IAH 2:44 PM
        17h 1m
        1 stop
        EZE 9:45 AM
        Houston - Buenos Aires | Tue, Sep 29 | LATAM Airlines
        EZE 1:10 PM
        23h 27m
        1 stop
        IAH 10:37 AM
        Buenos Aires - Houston | Tue, Oct 6 | LATAM Airlines
        $1,341
        17% off
        $1,624 $1,341
      • IAH 6:40 PM
        13h 5m
        1 stop
        EZE 9:45 AM
        Houston - Buenos Aires | Mon, Sep 14 | LATAM Airlines
        EZE 8:10 PM
        14h 28m
        1 stop
        IAH 8:38 AM
        Buenos Aires - Houston | Mon, Sep 21 | LATAM Airlines
        $1,345
        17% off
        $1,624 $1,345
      • IAH 10:03 AM
        34h 23m
        1 stop
        EZE 10:26 PM
        Houston - Buenos Aires | Tue, Sep 29 | Copa Airlines
        EZE 2:17 AM
        14h
        1 stop
        IAH 2:17 PM
        Buenos Aires - Houston | Tue, Oct 6 | Copa Airlines
        $1,345
        17% off
        $1,624 $1,345
      • IAH 10:03 AM
        16h 18m
        1 stop
        EZE 4:21 AM
        Houston - Buenos Aires | Mon, Sep 14 | Copa Airlines
        EZE 8:59 AM
        12h 57m
        1 stop
        IAH 7:56 PM
        Buenos Aires - Houston | Mon, Sep 21 | Copa Airlines
        $1,360
        16% off
        $1,624 $1,360
      • IAH 6:40 PM
        13h 5m
        1 stop
        EZE 9:45 AM
        Houston - Buenos Aires | Mon, Sep 14 | Delta Air Lines
        EZE 8:10 PM
        14h 28m
        1 stop
        IAH 8:38 AM
        Buenos Aires - Houston | Mon, Sep 21 | Delta Air Lines
        $1,364
        16% off
        $1,624 $1,364
      • HOU 1:00 PM
        17h 25m
        1 stop
        BUE 2:00 PM
        Houston - Buenos Aires | Sat, Sep 12 | Normal Airline
        BUE 3:00 PM
        6h
        Nonstop
        HOU 4:00 PM
        Buenos Aires - Houston | Mon, Sep 14 | Normal Airline
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        Find more flights
      • Cheapest nonstop
        IAH 8:15 PM
        9h 45m
        Nonstop
        EZE 8:00 AM
        Houston - Buenos Aires | Mon, Sep 28 | United Airlines
        $1,155 $1,375
        16% off
        16% off
        $1,375 $1,155
      • IAH 8:15 PM
        9h 45m
        Nonstop
        EZE 8:00 AM
        Houston - Buenos Aires | Thu, Oct 1 | United Airlines
        $1,155 $1,375
        16% off
        16% off
        $1,375 $1,155
      • IAH 10:58 AM
        30h 17m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Sat, Sep 12 | Frontier Airlines
        $373 $1,375
        73% off
        73% off
        $1,375 $373
      • IAH 7:53 PM
        30h 37m
        1 stop
        EZE 4:30 AM
        Houston - Buenos Aires | Mon, Oct 5 | Frontier Airlines
        $380
        72% off
        $1,375 $380
      • IAH 7:53 PM
        21h 22m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Fri, Sep 11 | Frontier Airlines
        $383
        72% off
        $1,375 $383
      • IAH 7:53 PM
        21h 22m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Thu, Oct 1 | Frontier Airlines
        $383
        72% off
        $1,375 $383
      • IAH 7:53 PM
        21h 22m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Sun, Sep 27 | Frontier Airlines
        $395
        71% off
        $1,375 $395
      • IAH 7:53 PM
        21h 22m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Fri, Oct 2 | Frontier Airlines
        $399
        71% off
        $1,375 $399
      • IAH 10:46 AM
        30h 29m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Thu, Oct 1 | American Airlines
        $436
        68% off
        $1,375 $436
      • IAH 10:46 AM
        30h 29m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Fri, Oct 2 | American Airlines
        $436
        68% off
        $1,375 $436
      • IAH 4:47 PM
        24h 28m
        1 stop
        EZE 7:15 PM
        Houston - Buenos Aires | Sat, Sep 12 | American Airlines
        $454
        67% off
        $1,375 $454
      • HOU 1:00 PM
        17h 25m
        1 stop
        BUE 2:00 PM
        Houston - Buenos Aires | Sat, Sep 12 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Houston to Buenos Aires operate an average of 1 times per day over the past 7 days, with a 16.7% on-time departure rate and a 80.0% on-time arrival rate.

Which airlines are the most popular for Houston to Buenos Aires flights?

You can choose from 1 airlines that fly from Houston to Buenos Aires, including United Airlines, Frontier Airlines has lowest fares on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Houston to Buenos Aires according to previous 12 months data from Trip.com.

Flight Info | Houston to Buenos Aires

The distance between Houston and Buenos Aires is approximately 8,124.28 km. It takes around 9 hours 45 minutes on average to fly from Houston to Buenos Aires. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price $373
Cheapest round-trip ticket price $1,002
Off-season for travel October
Peak season for travel July
Flight distance 8,124.28 km
Average flight time 9 hours 45 minutes
Popular airline United Airlines
Frequency ～3/week
Flight statistics for the Houston–Buenos Aires route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Houston to Buenos Aires (HOU-BUE)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $373 on Cheapest nonstop routes (e.g. IAH to EZE on Sat, Sep 12), while American Airlines offers Cheapest nonstop round-trips from $1,002 departing on Tue, Sep 29 and returning on Tue, Oct 6.
  • At the moment, you can catch a nonstop flight from Houston to Buenos Aires with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 9 hours 45 minutes to fly from Houston (HOU) to Buenos Aires (BUE).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Houston to Buenos Aires is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Houston to Buenos Aires. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA819 (22:02)
  • To find best deals on flights from Houston to Buenos Aires, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Sep 12, with one-way flights priced at just $373.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Buenos Aires travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Houston to Buenos Aires is October, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Houston to Buenos Aires on September 14, 2026 with Frontier Airlines, with prices starting at $845.
  • You can arrive at any of the following airports in Buenos Aires: Ezeiza International Airport (EZE), and Jorge Newbery Airport (AEP). Flights from George Bush Intercontinental Airport to Ezeiza International Airport (IAH-EZE) are by far the most popular option for this route.
  • The time difference between Buenos Aires and Houston is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Houston to Buenos Aires is $1,347. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Houston to Buenos Aires is $2,093. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Houston and Buenos Aires, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.