Which airlines fly to Buenos Aires?

Air Canada, Copa Airlines and Avianca are the top three most popular airlines that fly to Buenos Aires from Ottawa according to our data. Air Canada is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ottawa to Buenos Aires?

United Airlines is the most popular carrier operating from Ottawa to Buenos Aires

When did momondo last update prices for flights from Ottawa Airport to Buenos Aires?

Prices for flights from Ottawa Airport to Buenos Aires refresh daily.

How many operators does momondo search for flights from Ottawa Airport to Buenos Aires?

As of September 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Buenos Aires.

How old do you have to be to fly from Ottawa Airport to Buenos Aires?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Buenos Aires.

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

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 661 Cheap Flights from Ottawa to Buenos Aires in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Buenos Aires

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One-way

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Cheap round-trip flights

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6:00 a.m. - 7:20 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

23h 20m2 stops Newark Houston George Bush Intcntl

11:55 p.m. - 9:56 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

24h 01m2 stops Houston George Bush Intcntl Newark

C$ 1,123United Airlines

Tue, 24 Nov - Fri, 11 Dec

7:30 p.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

35h 30m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 9:56 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 56m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,129United Airlines

Sat, 19 Sep - Wed, 30 Sep

10:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

45h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 11:54 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

27h 54m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,129United Airlines

Sun, 20 Sep - Mon, 5 Oct

2:52 p.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

40h 08m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 9:56 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 56m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,129United Airlines

Sun, 20 Sep - Wed, 30 Sep

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

49h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 4:38 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

20h 38m2 stops Houston George Bush Intcntl Newark

C$ 1,129United Airlines

Sat, 19 Sep - Mon, 5 Oct

2:52 p.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

40h 08m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 9:11 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 11m2 stops Houston George Bush Intcntl Newark

C$ 1,129United Airlines

Sun, 20 Sep - Thu, 1 Oct

7:30 p.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

35h 30m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 9:11 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 11m2 stops Houston George Bush Intcntl Newark

C$ 1,129United Airlines

Sat, 19 Sep - Thu, 1 Oct

10:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

45h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 6:55 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

22h 55m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,129United Airlines

Sun, 20 Sep - Tue, 29 Sep

7:50 p.m. - 3:05 p.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

41h 15m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:45 p.m. - 9:47 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

19h 02m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,251Air Canada

Mon, 30 Nov - Sat, 5 Dec

2:55 p.m. - 12:20 p.m.YOW Ottawa-AEP Buenos Aires Jorge Newbery

19h 25m2 stops Montreal Pierre Elliott Trudeau Intl Santiago Arturo Merino Benitez

11:55 a.m. - 9:47 a.m.AEP Buenos Aires Jorge Newbery-YOW Ottawa

23h 52m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,255Multiple Airlines

Mon, 30 Nov - Sat, 5 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 a.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

49h 00m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 10:35 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

50h 35m2 stops Houston George Bush Intcntl Newark

C$ 1,116United Airlines

Fri, 11 Sep - Sun, 20 Sep

5:57 p.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

37h 03m2 stops Newark Houston George Bush Intcntl

9:00 p.m. - 9:11 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 11m2 stops Houston George Bush Intcntl Newark

C$ 1,483United Airlines

Fri, 11 Sep - Sat, 19 Sep

5:57 p.m. - 8:00 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

37h 03m2 stops Newark Houston George Bush Intcntl

9:00 p.m. - 9:11 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

37h 11m2 stops Houston George Bush Intcntl Newark

C$ 1,493United Airlines

Fri, 11 Sep - Sat, 19 Sep

7:00 a.m. - 7:30 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

23h 30m2 stops Orlando Punta Cana

11:00 a.m. - 3:27 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

29h 27m3 stops Punta Cana Newark Toronto Island

C$ 1,628Multiple Airlines

Fri, 11 Sep - Sat, 19 Sep

7:00 a.m. - 7:30 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

23h 30m2 stops Orlando Punta Cana

11:00 a.m. - 3:27 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

29h 27m3 stops Punta Cana Newark Toronto Island

C$ 1,818Multiple Airlines

Fri, 11 Sep - Sat, 19 Sep

12:00 p.m. - 2:30 p.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

25h 30m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

8:40 a.m. - 12:52 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

29h 12m3 stops Punta Cana Montreal Pierre Elliott Trudeau Intl Toronto Island

C$ 1,828Multiple Airlines

Fri, 11 Sep - Sun, 20 Sep

9:25 p.m. - 2:30 p.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

64h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl

8:40 a.m. - 12:52 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

29h 12m3 stops Punta Cana Montreal Pierre Elliott Trudeau Intl Toronto Island

C$ 1,833Multiple Airlines

Fri, 11 Sep - Sun, 20 Sep

6:55 a.m. - 5:40 a.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

21h 45m3 stops Toronto Pearson Intl Cancun Bogotá El Dorado

2:30 a.m. - 12:20 a.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

22h 50m3 stops Medellín Jose Maria Cordova Intl Cancun Toronto Pearson Intl

C$ 1,858Multiple Airlines

Tue, 8 Sep - Mon, 14 Sep

4:00 p.m. - 2:30 p.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

21h 30m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

1:35 a.m. - 10:10 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

21h 35m2 stops Bogotá El Dorado Montreal Pierre Elliott Trudeau Intl

C$ 1,971Multiple Airlines

Tue, 8 Sep - Mon, 14 Sep

2:35 p.m. - 2:30 p.m.YOW Ottawa-EZE Buenos Aires Ministro Pistarini

22h 55m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl

1:35 a.m. - 10:10 p.m.EZE Buenos Aires Ministro Pistarini-YOW Ottawa

21h 35m2 stops Bogotá El Dorado Montreal Pierre Elliott Trudeau Intl

C$ 1,977Multiple Airlines

Tue, 8 Sep - Mon, 14 Sep

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Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets

Air Canada

30 Nov

YOW7:50 p.m.Ottawa

41h 15m

3 stops

EZE3:05 p.m.Buenos Aires Ministro Pistarini

5 Dec

EZE4:45 p.m.Buenos Aires Ministro Pistarini

19h 02m

2 stops

YOW9:47 a.m.Ottawa

C$ 1,251

Air Canada

16 Nov

YOW7:50 p.m.Ottawa

41h 15m

3 stops

EZE3:05 p.m.Buenos Aires Ministro Pistarini

30 Nov

EZE4:45 p.m.Buenos Aires Ministro Pistarini

19h 02m

2 stops

YOW9:47 a.m.Ottawa

C$ 1,310

Air Canada

19 Nov

YOW7:00 a.m.Ottawa

30h 05m

2 stops

EZE3:05 p.m.Buenos Aires Ministro Pistarini

5 Dec

EZE4:45 p.m.Buenos Aires Ministro Pistarini

25h 12m

2 stops

YOW3:57 p.m.Ottawa

C$ 1,313

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets

United Airlines

11 Sep

YOW6:00 a.m.Ottawa

49h 00m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

20 Sep

EZE9:00 p.m.Buenos Aires Ministro Pistarini

50h 35m

2 stops

YOW10:35 p.m.Ottawa

C$ 1,116

United Airlines

24 Nov

YOW6:00 a.m.Ottawa

23h 20m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

11 Dec

EZE11:55 p.m.Buenos Aires Ministro Pistarini

24h 01m

2 stops

YOW9:56 p.m.Ottawa

C$ 1,123

United Airlines

19 Sep

YOW7:30 p.m.Ottawa

35h 30m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

1 Oct

EZE9:00 p.m.Buenos Aires Ministro Pistarini

37h 11m

2 stops

YOW9:11 a.m.Ottawa

C$ 1,129

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Tue 24/11

6:00 a.m.-7:20 a.m.

2 stops23h 20m

Buenos Aires Ministro Pistarini

Fri 11/12

11:55 p.m.-9:56 p.m.

2 stops24h 01m

C$ 1,123

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sat 19/9

7:30 p.m.-8:00 a.m.

2 stops35h 30m

Buenos Aires Ministro Pistarini

Wed 30/9

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

2 stops37h 56m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 20/9

10:00 a.m.-8:00 a.m.

2 stops45h 00m

Buenos Aires Ministro Pistarini

Mon 5/10

9:00 p.m.-11:54 p.m.

2 stops27h 54m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 20/9

2:52 p.m.-8:00 a.m.

2 stops40h 08m

Buenos Aires Ministro Pistarini

Wed 30/9

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

2 stops37h 56m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sat 19/9

6:00 a.m.-8:00 a.m.

2 stops49h 00m

Buenos Aires Ministro Pistarini

Mon 5/10

9:00 p.m.-4:38 p.m.

2 stops20h 38m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 20/9

2:52 p.m.-8:00 a.m.

2 stops40h 08m

Buenos Aires Ministro Pistarini

Thu 1/10

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

2 stops37h 11m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sat 19/9

7:30 p.m.-8:00 a.m.

2 stops35h 30m

Buenos Aires Ministro Pistarini

Thu 1/10

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

2 stops37h 11m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Sun 20/9

10:00 a.m.-8:00 a.m.

2 stops45h 00m

Buenos Aires Ministro Pistarini

Tue 29/9

9:00 p.m.-6:55 p.m.

2 stops22h 55m

C$ 1,129

OttawaBuenos Aires

YOW Ottawa - EZE Buenos Aires Ministro Pistarini

YOWEZE

Ottawa

Mon 30/11

7:50 p.m.-3:05 p.m.

3 stops41h 15m

Buenos Aires Ministro Pistarini

Sat 5/12

4:45 p.m.-9:47 a.m.

2 stops19h 02m

C$ 1,251

Quickest round-trip

OttawaBuenos Aires

YOW Ottawa - AEP Buenos Aires Jorge Newbery

YOWAEP

Ottawa

Mon 30/11

2:55 p.m.-12:20 p.m.

2 stops19h 25m

Buenos Aires Jorge Newbery

Sat 5/12

11:55 a.m.-9:47 a.m.

2 stops23h 52m

C$ 1,255

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Ottawa is in August. Flight prices, which tend to average around C$ 0, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in August, then October is your next best option. Flight prices from Ottawa to Buenos Aires during October average around C$ 1,122.

When to book flights from Ottawa to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Buenos Aires (YOW to BUE) flight deals and tips

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

Best price found	C$ 661
Fastest flight time	18h 00m
Direct flights	None

The best one-way flight to Buenos Aires from Ottawa in the past 72 hours is C$ 661. The best round-trip flight deal from Ottawa to Buenos Aires found on momondo in the last 72 hours is C$ 1,123.

The fastest flight from Ottawa to Buenos Aires takes 18h 00m

There are no direct flights from Ottawa to Buenos Aires. There are no popular flight routes from Ottawa to Buenos Aires.

Search flight deals

Frequently asked questions about flying from Ottawa to Buenos Aires

How far is Ottawa to Buenos Aires by plane?
There are 9061.5 km between Ottawa and Buenos Aires. In terms of flight time, this usually takes a little over 18h 00m.
When did momondo last update prices for flights from Ottawa Airport to Buenos Aires?
Prices for flights from Ottawa Airport to Buenos Aires refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Buenos Aires?
As of September 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Buenos Aires.
How old do you have to be to fly from Ottawa Airport to Buenos Aires?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ottawa to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Buenos Aires is United Airlines (56% of total bookings). The next most popular airline is Air Canada (44%).

Best airlines flying from Ottawa to Buenos Aires

Compare and see reviews for airlines that fly from Ottawa to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 1,064	Free Cancellation	Rating 7.4 10,175 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Buenos Aires from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

Flights from Ottawa to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Ottawa to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Buenos Aires from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Buenos Aires trip

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Ottawa to Buenos Aires from C$ 661

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Buenos Aires departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Ottawa to Buenos Aires

Our best Air Canada deals on Ottawa to Buenos Aires flight tickets

United Airlines flights from Ottawa to Buenos Aires

Our best United Airlines deals on Ottawa to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Ottawa to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

What is the cheapest airline that flies from Ottawa to Buenos Aires?

Which airlines fly to Buenos Aires?

When to book flights from Ottawa to Buenos Aires

Cheap Ottawa to Buenos Aires (YOW to BUE) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Buenos Aires

Best airlines flying from Ottawa to Buenos Aires

Compare and see reviews for airlines that fly from Ottawa to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favourite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular Cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year