BOS - POA

$368 Find Cheap Flights from Boston to Porto Alegre - Compare and Save

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Everything you should know

Cheapest round-trip
$788
Typical prices: $738-$1,151
Avianca
Sat 10/20Mon 10/22
BOS - POA • 2 stops
Cheapest one-way
$368
Typical prices: $338-$538
Avianca
Mon 10/15
BOS - POA • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Boston and Porto Alegre. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 27% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Panama City Tocumen Intl (PTY)
Cheapest • Avg $1,067 (round-trip)
Sao Paulo Guarulhos Intl (GRU)
Shortest trip • 14h 42m (one-way)
Insights
Insights
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We hope you love your trip to Porto Alegre!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Porto Alegre (BOS-POA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Porto Alegre

Tue, Oct 20 - Thu, Oct 22
Avianca Logo
8:45 am - 10:50 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
49h 05m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl
Avianca Logo
6:45 pm - 6:50 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
37h 05m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado
$788Avianca
Thu, Oct 8 - Sat, Oct 24
LATAM Airlines Logo
3:33 pm - 6:15 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
25h 42m2 stops Miami Santiago Arturo Merino Benitez
LATAM Airlines Logo
5:00 am - 11:33 pmPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
19h 33m2 stops Sao Paulo Guarulhos Intl Miami
$795LATAM Airlines
Thu, Sep 10 - Wed, Sep 23
LATAM Airlines Logo
10:00 am - 12:40 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
13h 40m1 stop Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:45 pm - 7:35 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
14h 50m1 stop Sao Paulo Guarulhos Intl
$819LATAM Airlines
Tue, Oct 20 - Thu, Oct 22
Avianca Logo
8:45 am - 10:50 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
25h 05m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl
Avianca Logo
6:45 pm - 6:50 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
37h 05m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado
$829Avianca
Sat, Jan 16 - Tue, Jan 26
United Airlines Logo
6:33 pm - 4:20 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
43h 47m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
3:25 pm - 5:28 pmPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
28h 03m2 stops Sao Paulo Guarulhos Intl Chicago O'Hare Intl
$841United Airlines
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
3:00 pm - 6:20 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
25h 20m2 stops Chicago O'Hare Intl Sao Paulo Guarulhos Intl
United Airlines Logo
5:10 pm - 10:11 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
19h 01m2 stops Sao Paulo Guarulhos Intl Washington, D.C. Dulles Intl
$922United Airlines
Wed, Dec 2 - Thu, Dec 10
Copa Airlines Logo
2:43 pm - 12:25 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
31h 42m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:35 am - 10:02 pmPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
22h 27m1 stop Panama City Tocumen Intl
$970Copa Airlines
Tue, Nov 24 - Fri, Mar 19
Copa Airlines Logo
7:41 am - 12:25 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
14h 44m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:40 am - 11:04 pmPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
22h 24m1 stop Panama City Tocumen Intl
$995Copa Airlines
Tue, Dec 15 - Wed, Dec 30
GOL Logo
12:01 pm - 4:40 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
26h 39m2 stops New York John F Kennedy Intl Rio de Janeiro–Galeão Intl
GOL Logo
7:35 pm - 12:34 pmPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
18h 59m2 stops Sao Paulo Guarulhos Intl Miami
$1,738GOL
Mon, Dec 21 - Tue, Jan 5
GOL Logo
6:18 pm - 11:55 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
39h 37m2 stops Miami Brasilia
GOL Logo
5:30 pm - 12:59 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
33h 29m2 stops Brasilia Miami
$1,906GOL
Booking Insights

Price, demand and travel trends for Boston to Porto Alegre flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Porto Alegre with more confidence.

How much is a round-trip flight from Boston to Porto Alegre?

Round-trip flights from Boston to Porto Alegre start at $788. Prices are typical for this route right now, with typical round-trip fares ranging from $738 to $1,151. The lowest price found in the past 5 days was $788 on Avianca.

What's the cheapest day of the week to fly from Boston to Porto Alegre?

Wednesday is the cheapest day of the week to fly from Boston to Porto Alegre, it is 13% cheaper than the average day. Thursday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Porto Alegre?

  • March is the cheapest month to fly from Boston to Porto Alegre at $674 round-trip.
  • December ($1,243) and June ($1,115) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 84% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Boston to Porto Alegre flights

Low season

February

Cheapest flight

$368
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Boston to Porto Alegre

When to book flights from Boston to Porto Alegre

Are your dates flexible? Find out the best times to travel from Boston to Porto Alegre based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Porto Alegre flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boston to Porto Alegre?

    Flights from Boston to Porto Alegre usually depart from Boston Logan Intl (BOS) and arrive at Porto Alegre Salgado Filho (POA).

  • What cabin classes can I book on flights from Boston to Porto Alegre?

    Two cabin classes are available on flights from Boston to Porto Alegre:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Boston to Porto Alegre pass through?

    Connecting flights from Boston to Porto Alegre most commonly pass through:

    • Panama City Tocumen Intl (PTY) - 56% of one-stop connections
    • Sao Paulo Guarulhos Intl (GRU) - 44% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Boston to Porto Alegre?

    Yes. Being flexible with your travel dates can save you up to 24% on the Boston to Porto Alegre route. Wednesday is the cheapest departure day at $813 round-trip on average, while Thursday is the most expensive at $1,068, a difference of $255. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto Alegre?

    Some of the most popular sights in Porto Alegre are Araujo Vianna Auditorium, Fiergs Exhibition and Convention Center and Moinhos de Vento Park. These are among the most viewed places in Porto Alegre on KAYAK.

  • How long is a flight from Boston to Porto Alegre?

    A nonstop flight from Boston to Porto Alegre takes 0h 00m, covering 5,153 miles.

  • Do I need a passport to fly from Boston to Porto Alegre?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Boston to Porto Alegre changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $788 to $3,740. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Boston to Porto Alegre looking right now?

    One-way fares from Boston to Porto Alegre are currently higher than usual. Average one-way flight prices are about $455, which is 9% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Boston to Porto Alegre?

    Flying via Sao Paulo Guarulhos Intl (GRU) gives the shortest average 1-stop total travel time at 14h 42m, compared with 15h 00m via Panama City Tocumen Intl (PTY).

  • What is the time difference between Boston and Porto Alegre?

    Porto Alegre is 1 hour ahead of Boston (Brasilia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Alegre Salgado Filho Airport (POA)?

    Porto Alegre Salgado Filho Airport (POA) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    · FOCO
    · Localiza
    · Avis
    · MOVIDA
    · Budget

  • How much should I expect to pay for a Boston to Porto Alegre flight?

    Round-trip flights from Boston to Porto Alegre range from $738 to $1,151, with an average of $928 over the past 12 months. Anything below $738 counts as a good deal.

Your guide to booking Boston to Porto Alegre flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $813 - about $255 less than Thursday (24% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Porto Alegre trip for March. Fares historically average $674 round-trip in that month - typically $569 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Alegre Salgado Filho Airport.
    - ibis Porto Alegre Aeroporto
    - Novotel Porto Alegre Airport
    - Hotel Express Aeroporto

Everything you need to know for your flight from Boston to Porto Alegre

Information on your arrival and departure airports

Boston (BOS)
Porto Alegre (POA)