BOS - POA

$435 Find Cheap Flights from Boston to Porto Alegre - Compare and Save

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Everything you should know

Cheapest round-trip
$868
Typical prices: $859-$1,434
GOL
Fri 5/4Fri 5/11
BOS - POA • 2 stops
Cheapest one-way
$435
Typical prices: $353-$514
Azul
Thu 3/1
BOS - POA • 2 stops
Nonstop flights
There are currently no direct flights between Boston and Porto Alegre. You'll need to take a connecting flight to reach the destination.
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Insights
When to travel
Cheapest • 34% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $1,330 (round-trip)
Shortest trip • 14h 55m (one-way)
Insights
Insights
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We hope you love your trip to Porto Alegre!
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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, May 4 - Tue, May 11
GOL Logo
8:45 am - 6:25 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
32h 40m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl
GOL Logo
6:30 pm - 7:10 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
37h 40m2 stops Sao Paulo Guarulhos Intl Bogotá El Dorado
$868GOL
Sun, Feb 21 - Sun, Mar 7
Multiple Airlines Logo
3:40 pm - 8:15 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
26h 35m3 stops San Salvador El Salvador Intl Bogotá El Dorado Rio de Janeiro–Galeão Intl
Multiple Airlines Logo
9:40 pm - 6:35 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
34h 55m3 stops Florianopolis Hercilio Luz Rio de Janeiro–Galeão Intl Bogotá El Dorado
$886Multiple Airlines
Sun, Mar 14 - Tue, Mar 23
LATAM Airlines Logo
10:05 am - 8:30 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
21h 25m1 stop Sao Paulo Guarulhos Intl
LATAM Airlines Logo
4:05 pm - 7:45 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
16h 40m1 stop Sao Paulo Guarulhos Intl
$939LATAM Airlines
Sun, Mar 14 - Tue, Mar 23
LATAM Airlines Logo
3:50 pm - 12:20 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
19h 30m2 stops Miami Sao Paulo Guarulhos Intl
LATAM Airlines Logo
4:05 pm - 7:45 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
16h 40m1 stop Sao Paulo Guarulhos Intl
$944LATAM Airlines
Sat, Feb 20 - Mon, Mar 8
GOL Logo
7:55 am - 10:15 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
24h 20m2 stops Bogotá El Dorado Sao Paulo Guarulhos Intl
GOL Logo
11:10 am - 6:35 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
21h 25m2 stops Rio de Janeiro–Galeão Intl Bogotá El Dorado
$955GOL
Sat, Mar 6 - Sun, Mar 21
Air Canada Logo
6:35 pm - 7:30 pmBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
22h 55m2 stops Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl
Air Canada Logo
11:15 am - 9:25 pmPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
35h 10m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl
$962Air Canada
Mon, May 10 - Sun, Jun 6
Copa Airlines Logo
3:46 pm - 12:25 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
31h 39m1 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
$1,000Copa Airlines
Thu, Mar 11 - Tue, Mar 23
Copa Airlines Logo
2:46 pm - 12:25 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
31h 39m1 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
$1,000Copa Airlines
Wed, Mar 10 - Sat, Mar 27
Delta Logo
6:55 am - 6:40 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
21h 45m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
5:40 am - 7:45 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
27h 05m1 stop Sao Paulo Guarulhos Intl
$1,004Delta
Mon, Mar 8 - Thu, Mar 25
Delta Logo
6:55 am - 6:40 amBOS  Boston Logan Intl-POA Porto Alegre Salgado Filho
21h 45m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
Delta Logo
5:15 am - 7:45 amPOA  Porto Alegre Salgado Filho-BOS Boston Logan Intl
27h 30m1 stop Sao Paulo Guarulhos Intl
$1,004Delta
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 with more confidence.

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

Round-trip flights from Boston to Porto Alegre typically range from $859 to $1,434. The lowest price found in the past 5 days was $868, on GOL.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Boston to Porto Alegre. It’s 25% cheaper than the average day, while Saturday is the most expensive, with prices 12% higher.

What’s the cheapest month to fly from Boston to Porto Alegre?

•March is the cheapest month to fly from Boston to Porto Alegre at $712 round-trip.
•December ($1,449) and November ($1,201) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 103% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Boston to Porto Alegre flights

Low season

February

Cheapest flight

$435
Beat the crowds with an average 62% drop in travelers.
The most popular month to fly with an average 70% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    A nonstop flight from Boston to Porto Alegre takes 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.

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

    Round-trip flights from Boston to Porto Alegre range from $859 to $1,434, with an average of $1,072 over the past 12 months. Anything below $859 counts as a good deal.

  • 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 $939 to $6,004. That means the highest observed fare was about 6x 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 $645, which is 42% above the typical average for this route.

  • 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 averaging $32 for economy cars. Top options include:

    • FOCO
    • MOVIDA
    • Localiza
    • Avis
    • Unidas

  • 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).

  • 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) - 57% of one-stop connections
    • Sao Paulo Guarulhos Intl (GRU) - 43% of one-stop connections

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

    Yes. Flexible dates can save you up to 33% on flights from Boston to Porto Alegre. Wednesday is the cheapest departure day at $812 round-trip on average, while Saturday is the most expensive at $1,211, a difference of $399.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 53m, compared with 14h 55m via Panama City Tocumen Intl (PTY).

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

    Porto Alegre is 2 hours ahead of Boston (Brasilia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto Alegre?

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

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 are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $812, about $399 less than Saturday fares (33% 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 $712 round-trip in that month - typically $737 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.

    • Hotel Express Aeroporto
    • ibis Porto Alegre Aeroporto
    • Novotel Porto Alegre Airport

More options for your flight from Boston to Porto Alegre

Complete your trip to Porto Alegre with a hotel stay or car rental