Sao Paulo

$260+ Cheap flights from Boston (BOS) to Sao Paulo, Brazil (SAO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAO
nov. 29 — dic. 61
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Cheapflights Tip: The best prices from Boston Logan Intl to Sao Paulo are usually found in September or November, booked 54 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Boston to Sao Paulo

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sao Paulo (SAO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$515
(LATAM Airlines)

One-way from

$260
(123 Milhas)

Popular in

December

Cheapest in

September

Average price

$617

Good round-trip deal

$663 or less

Good one-way deal

$323 or less
Provider with most accurate pricing for Boston Logan Intl-Sao Paulo (SAO) flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Sao Paulo (SAO) flights.
From Boston Logan Intl to Sao Paulo (SAO)
One-way flight from Boston Logan Intl to Sao Paulo (SAO)
Highest demand for flights based on searches. 9% potential increase in price ($76 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Boston Logan Intl to Sao Paulo (SAO).
Price to beat on a one-way flight from Boston Logan Intl to Sao Paulo (SAO).

Find flight deals from Boston to Sao Paulo

Cheapest flights from Boston to Sao Paulo
Explore the most affordable flight options available from Boston to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This LATAM Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/108:55 amBOS - GRU
Nonstop10h 00mLATAM Airlines
jue. 11/2010:40 pmGRU - BOS
Nonstop9h 55mLATAM Airlines
Deal found 10/30$515
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:55 amBOS - GRU
Nonstop10h 00mDelta
jue. 12/410:40 pmGRU - BOS
Nonstop9h 55mDelta
Deal found 10/29$516
This Copa Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:34 amBOS - GRU
1 stop14h 41mCopa Airlines
mié. 11/263:10 amGRU - BOS
1 stop20h 53mCopa Airlines
Deal found 10/29$518
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:15 amBOS - GRU
1 stop21h 20mDelta
jue. 11/2010:40 pmGRU - BOS
Nonstop9h 55mDelta
Deal found 10/30$520
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/178:55 amBOS - GRU
Nonstop10h 00mLATAM Airlines
mar. 1/2710:50 pmGRU - BOS
1 stop14h 25mLATAM Airlines
Deal found 10/30$521
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/279:15 amBOS - GRU
1 stop18h 25mDelta
jue. 12/49:00 pmGRU - BOS
1 stop16h 12mDelta
Deal found 10/29$523
This LATAM Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:55 amBOS - GRU
Nonstop10h 00mLATAM Airlines
lun. 11/249:15 pmGRU - BOS
1 stop17h 17mLATAM Airlines
Deal found 10/30$525
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/108:55 amBOS - GRU
Nonstop10h 00mDelta
mar. 11/189:15 pmGRU - BOS
1 stop17h 17mDelta
Deal found 10/30$526
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:34 amBOS - GRU
1 stop14h 36mCopa Airlines
dom. 11/163:10 amGRU - BOS
1 stop20h 53mCopa Airlines
Deal found 10/30$528
This LATAM Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/285:40 amBOS - GRU
1 stop22h 00mLATAM Airlines
vie. 12/511:45 pmGRU - BOS
1 stop16h 42mLATAM Airlines
Deal found 10/30$529
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/103:10 pmBOS - GRU
1 stop14h 05mUnited Airlines
vie. 11/149:45 pmGRU - BOS
1 stop14h 49mUnited Airlines
Deal found 10/30$530
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/249:54 pmBOS - VCP
2 stops43h 21mMultiple Airlines
jue. 12/410:00 amVCP - BOS
1 stop25h 57mMultiple Airlines
Deal found 10/30$623

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sao Paulo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Boston to Sao Paulo that are best for you.

Fly from

Boston

Fly to

Sao Paulo

Route

Depart

Return

Price

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

lun. 11/24

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

jue. 11/27

10:40 pm-6:35 am

Nonstop9h 55m

$516

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

vie. 11/14

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

jue. 12/4

10:40 pm-6:35 am

Nonstop9h 55m

$516

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

lun. 11/17

7:34 am-12:15 am

1 stop14h 41m

Sao Paulo Guarulhos Intl

mié. 11/26

3:10 am-10:03 pm

1 stop20h 53m

$518

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

mié. 11/26

7:34 am-12:15 am

1 stop14h 41m

Sao Paulo Guarulhos Intl

mié. 12/3

5:25 am-10:40 pm

1 stop19h 15m

$518

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

mié. 11/12

1:10 pm-12:45 pm

2 stops21h 35m

Sao Paulo Guarulhos Intl

dom. 11/23

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

jue. 11/13

5:05 pm-9:35 am

1 stop14h 30m

Sao Paulo Guarulhos Intl

dom. 11/23

10:40 pm-6:35 am

Nonstop9h 55m

$520

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

lun. 11/24

8:55 am-8:55 pm

Nonstop10h 00m

Sao Paulo Guarulhos Intl

mar. 11/25

9:00 pm-9:14 am

1 stop14h 14m

$526

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

mié. 11/12

2:21 pm-8:55 am

2 stops16h 34m

Sao Paulo Guarulhos Intl

sáb. 11/22

10:25 pm-10:38 am

1 stop14h 13m

$530

BostonSao Paulo

BOS - GRU

BOSGRU

Boston Logan Intl

vie. 11/28

7:00 am-5:40 am

1 stop20h 40m

Sao Paulo Guarulhos Intl

lun. 12/8

9:15 pm-10:10 am

1 stop14h 55m

$530

BostonSao Paulo

BOS - CGH

BOSCGH

Boston Logan Intl

mar. 1/20

7:55 am-8:20 am

2 stops22h 25m

Sao Paulo Congonhas

mar. 2/10

6:05 am-10:08 am

2 stops30h 03m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 55 results
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Compare providers for flights from Boston to Sao Paulo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Sao Paulo in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Sao Paulo flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Boston-Sao Paulo flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Boston-Sao Paulo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sao Paulo flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Sao Paulo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Sao Paulo

Have a flexible travel schedule? Discover the best time to fly to Sao Paulo from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Sao Paulo

How far ahead should I book a flight from Boston to Sao Paulo?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Sao Paulo. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Sao Paulo, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Sao Paulo?

Currently, December is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $167). Flying from Boston to Sao Paulo in July is currently the most expensive (average of $600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SAO?

Find hourly flight availability from Boston to Sao Paulo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

One of the essential ways to save on airfare from Boston to Sao Paulo is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 53% on airfare.

What is the cheapest day to fly from Boston to Sao Paulo?

Use this chart to determine the cheapest time to fly round-trip from Boston to Sao Paulo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Sao Paulo flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Boston to Sao Paulo?

What’s the top layover airport for flights from Boston to Sao Paulo?

Share of 1-stop round-trip flights from Boston to Sao Paulo chosen by Cheapflights users in the past 12 months, using the same layover each way.

Panama City (PTY) – chosen by Cheapflights users on 58% of 1-stop itineraries from Boston to Sao Paulo on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Sao Paulo?

Average round-trip fare for 1-stop flights from Boston to Sao Paulo, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Bogotá (BOG) is the most affordable 1-stop option, with an average round-trip price of $515.

What’s the fastest layover option from Boston to Sao Paulo?

Shortest average travel time for 1-stop one-way flights from Boston to Sao Paulo, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 12h 36m.

Which airport typically offers the quickest layover for flights from Boston to Sao Paulo?

Average layover duration for 1-stop one-way flights from Boston to Sao Paulo, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 35m.

Reviews of airlines servicing Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sao Paulo. Reviews last updated octubre 30, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and LATAM Airlines from Boston to Sao Paulo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Boston to Sao Paulo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Boston to Sao Paulo?

    For a flight from Boston to Sao Paulo, you will be flying from Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 0 outbound flights to Sao Paulo per day. 9 airlines have flights to Sao Paulo from Boston Logan Intl on a regular basis.

  • How long is the flight from Boston to Sao Paulo?

    Airlines like Delta and Copa Airlines fly from Boston to Sao Paulo in about 10h. The time it takes to get you to your destination can typically vary by up to 4h 41m. There are 4805 mi between Boston and Sao Paulo. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Sao Paulo round-trip?

    Flying on Avianca is currently your cheapest option to Sao Paulo, with prices starting at $313. Additional round-trip tickets that might be worth considering are offered by GOL and Copa Airlines, with the lowest prices starting at $340 and $390, respectively. Avianca is priced at 56% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Sao Paulo one-way?

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $279. Delta flights start at $281 while deals on Copa Airlines start at $283 one-way.

  • What are the most popular routes from Boston to Sao Paulo?

  • What are the most reliable airlines from Boston to Sao Paulo?

    Consider LATAM Airlines Brasil (49%), LATAM Airlines (49%) or Delta (49%) when booking your flight. These represent the most reliable airlines when flying from Boston to Sao Paulo.

  • What are the cheapest flights from Boston to Sao Paulo?

    While on average a flight from Boston to Sao Paulo is generally $1,723, our data shows the cheapest flight currently is $270. When looking at the most popular route, (Boston Logan Intl - Sao Paulo Guarulhos Intl), you can expect to pay $511 for that flight.

  • Where are the most common layover locations when flying from Boston to Sao Paulo?

  • What are some popular things to do or see while on a layover in Bogotá?

    Bogotá travelers tend to visit Museo del Oro, Museo Botero, and Jardín botánico de Bogotá more than anywhere else. Travelers on a layover in Bogotá can visit Museo del Oro, Museo Botero, and Jardín botánico de Bogotá, by traveling 8.6 mi, 8.9 mi, and 4.0 mi, respectively after landing at Bogotá El Dorado. Those on a layover in Bogotá in need of a rental car can book one at Bogotá El Dorado for about $53.

  • What are some popular points of interest to see during a layover in Miami?

    Kaseya Center, Bayfront Park, and Wynwood Art District are the most popular attractions in Miami if you're in need of something to do during your layover. Kaseya Center, Bayfront Park, and Wynwood Art District are located about 6.2 mi, 6.4 mi, and 5.5 mi, respectively from Miami. Those on a layover in Miami in need of a rental car can book one at Miami for about $21.

  • Where are the least popular layover locations for Boston to Sao Paulo flights?

  • Can I find deals for flights from Boston to Sao Paulo that include hotel bookings?

    Yes. In addition to deals on Boston to Sao Paulo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Sao Paulo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Sao Paulo.

  • Can I find deals for business class flights from Boston to Sao Paulo?

    Yes. Cheapflights offers flight deals from Boston to Sao Paulo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Sao Paulo?

    Currently, December is the cheapest month in which you can book a flight from Boston to Sao Paulo (average of $167). Flying from Boston to Sao Paulo in July is currently the most expensive (average of $600). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Boston to Sao Paulo

Discover the top 9 airlines that operate flights from Boston to Sao Paulo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$313Average$535FlexibilityNo cancel feeOn-time71%
GOLCheapest$340Average$627FlexibilityNo cancel feeOn-time74%
Copa AirlinesCheapest$390Average$636FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$479Average$792FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$509Average$900FlexibilityNo cancel feeOn-time81%
DeltaCheapest$530Average$895FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$530Average$905FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$590Average$731FlexibilityNo cancel feeOn-time67%
AzulCheapest$619Average$1,307FlexibilityNo cancel feeOn-time82%

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