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Cheap flights from Saint John to Buenos Aires from C$ 1,831

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to Buenos Aires departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Saint John to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:56 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
38h 56m2 stops Houston George Bush Intcntl Toronto Pearson Intl
C$ 1,831United Airlines
Mon, 21 Sep - Thu, 24 Sep
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:56 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
38h 56m2 stops Houston George Bush Intcntl Toronto Pearson Intl
C$ 1,836United Airlines
Mon, 21 Sep - Thu, 24 Sep
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:56 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
38h 56m2 stops Houston George Bush Intcntl Toronto Pearson Intl
C$ 1,840United Airlines
Mon, 21 Sep - Thu, 24 Sep
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:36 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
62h 36m3 stops Houston George Bush Intcntl Denver Intl Toronto Pearson Intl
C$ 1,943United Airlines
Mon, 21 Sep - Thu, 24 Sep
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:36 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
62h 36m3 stops Houston George Bush Intcntl Denver Intl Toronto Pearson Intl
C$ 1,946United Airlines
Mon, 21 Sep - Thu, 24 Sep
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:36 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
62h 36m3 stops Houston George Bush Intcntl Denver Intl Toronto Pearson Intl
C$ 1,949United Airlines
Mon, 21 Sep - Thu, 24 Sep
United Airlines Logo
5:00 a.m. - 8:00 a.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
27h 00m2 stops Toronto Pearson Intl Houston George Bush Intcntl
United Airlines Logo
9:00 p.m. - 11:56 a.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
38h 56m2 stops Houston George Bush Intcntl Toronto Pearson Intl
C$ 2,003United Airlines
Mon, 21 Sep - Thu, 24 Sep
Air Canada Logo
4:40 p.m. - 2:30 p.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
45h 50m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:35 p.m. - 3:59 p.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
47h 24m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 2,007Air Canada
Mon, 21 Sep - Thu, 24 Sep
Air Canada Logo
4:40 p.m. - 2:30 p.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
45h 50m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:35 p.m. - 3:59 p.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
47h 24m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 2,013Air Canada
Mon, 21 Sep - Thu, 24 Sep
Air Canada Logo
4:40 p.m. - 2:30 p.m.YSJ  Saint John-EZE Buenos Aires Ministro Pistarini
45h 50m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:35 p.m. - 3:59 p.m.EZE  Buenos Aires Ministro Pistarini-YSJ Saint John
23h 24m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl
C$ 2,017Air Canada
Mon, 21 Sep - Thu, 24 Sep

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United Airlines flights from Saint John to Buenos Aires

Our best United Airlines deals on Saint John to Buenos Aires flight tickets
United Airlines
21 Sep
YSJ5:00 a.m.Saint John
27h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
24 Sep
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 56m
2 stops
YSJ11:56 a.m.Saint John
C$ 1,831
United Airlines
21 Sep
YSJ5:00 a.m.Saint John
27h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
24 Sep
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 56m
2 stops
YSJ11:56 a.m.Saint John
C$ 1,836
United Airlines
21 Sep
YSJ5:00 a.m.Saint John
27h 00m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
24 Sep
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 56m
2 stops
YSJ11:56 a.m.Saint John
C$ 1,840

Air Canada flights from Saint John to Buenos Aires

Our best Air Canada deals on Saint John to Buenos Aires flight tickets
Air Canada
21 Sep
YSJ4:40 p.m.Saint John
45h 50m
3 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
24 Sep
EZE4:35 p.m.Buenos Aires Ministro Pistarini
47h 24m
3 stops
YSJ3:59 p.m.Saint John
C$ 2,007
Air Canada
21 Sep
YSJ4:40 p.m.Saint John
45h 50m
3 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
24 Sep
EZE4:35 p.m.Buenos Aires Ministro Pistarini
47h 24m
3 stops
YSJ3:59 p.m.Saint John
C$ 2,013
Air Canada
21 Sep
YSJ4:40 p.m.Saint John
45h 50m
3 stops
EZE2:30 p.m.Buenos Aires Ministro Pistarini
24 Sep
EZE4:35 p.m.Buenos Aires Ministro Pistarini
23h 24m
2 stops
YSJ3:59 p.m.Saint John
C$ 2,017

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to Buenos Aires 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, momondo users made 96,600 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Saint John to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:56 a.m.

2 stops38h 56m

C$ 1,831

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:56 a.m.

2 stops38h 56m

C$ 1,836

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:56 a.m.

2 stops38h 56m

C$ 1,840

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:36 a.m.

3 stops62h 36m

C$ 1,943

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:36 a.m.

3 stops62h 36m

C$ 1,946

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:36 a.m.

3 stops62h 36m

C$ 1,949

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

5:00 a.m.-8:00 a.m.

2 stops27h 00m

Buenos Aires Ministro Pistarini

Thu 24/9

9:00 p.m.-11:56 a.m.

2 stops38h 56m

C$ 2,003

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

4:40 p.m.-2:30 p.m.

3 stops45h 50m

Buenos Aires Ministro Pistarini

Thu 24/9

4:35 p.m.-3:59 p.m.

3 stops47h 24m

C$ 2,007

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

4:40 p.m.-2:30 p.m.

3 stops45h 50m

Buenos Aires Ministro Pistarini

Thu 24/9

4:35 p.m.-3:59 p.m.

3 stops47h 24m

C$ 2,013

Saint JohnBuenos Aires

YSJ Saint John - EZE Buenos Aires Ministro Pistarini

YSJEZE

Saint John

Mon 21/9

4:40 p.m.-2:30 p.m.

3 stops45h 50m

Buenos Aires Ministro Pistarini

Thu 24/9

4:35 p.m.-3:59 p.m.

2 stops23h 24m

C$ 2,017

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Saint John to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Saint John to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint John to Buenos Aires (YSJ to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to Buenos Aires

Fastest flight time

27h 00m

Direct flights

None
The fastest flight from Saint John to Buenos Aires takes 27h 00m
There are no direct flights from Saint John to Buenos Aires. There are no popular flight routes from Saint John to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Saint John to Buenos Aires

  • How far is Saint John to Buenos Aires by plane?

    A flight from Saint John to Buenos Aires will travel around 8910.4 km. Typically, this will take 27h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Saint John Airport to Buenos Aires?

    Prices for flights from Saint John Airport to Buenos Aires are updated daily.

  • How old do you have to be to fly from Saint John Airport to Buenos Aires?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint John Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Saint John to Buenos Aires

  • How do I get Price Alerts for flights from Saint John to Buenos Aires?

    Search flight deals from Saint John to Buenos Aires. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Saint John to Buenos Aires with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Saint John to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Saint John to Buenos Aires . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Saint John to Buenos Aires with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Saint John to Buenos Aires flights to just show those with flexible booking policies.

How can momondo help me find flights from Saint John to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Saint John. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Saint John to Buenos Aires right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Saint John to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport