How long is the flight from St. Louis to Buenos Aires?

Airlines like LATAM Airlines and United Airlines fly from St. Louis to Buenos Aires in about 21h. The time it takes to get you to your destination can typically vary by up to 25h 39m. There are 5458 mi between St. Louis and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly from St. Louis to Buenos Aires round-trip?

Currently priced at $1,025, Delta will fly you from St. Louis to Buenos Aires and back. In addition to Delta, many other airlines offer competitively priced options for your trip. This flight start at 20% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Most accurate provider : When it comes to deals on St. Louis-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Buenos Aires flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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 St. Louis-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from St. Louis to Buenos Aires?

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Buenos Aires from St. Louis. Booking flights from Lambert-St Louis (STL) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 1 airline.

Can I find deals for flights from St. Louis to Buenos Aires that include hotel bookings?

Yes. In addition to deals on St. Louis to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Buenos Aires?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Buenos Aires.

Can I find deals for business class flights from St. Louis to Buenos Aires?

Yes. Cheapflights offers flight deals from St. Louis to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$381+ Flights from St. Louis to Buenos Aires

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Cheap flight deals from St. Louis to Buenos Aires

Cheapest flights from St. Louis to Buenos Aires
Explore the most affordable flight options available from St. Louis to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

jue. 12/255:13 pmSTL - EZE

1 stop12h 47mLATAM Airlines

vie. 1/28:55 pmEZE - STL

1 stop15h 03mLATAM Airlines

Deal found 12/15

$1,568

jue. 12/189:30 amSTL - EZE

2 stops38h 20mLATAM Airlines

sáb. 12/207:43 pmEZE - STL

2 stops19h 38mLATAM Airlines

Deal found 12/14

$1,570

vie. 12/1911:49 amSTL - EZE

1 stop16h 31mDelta

dom. 12/218:55 pmEZE - STL

1 stop18h 26mDelta

Deal found 12/15

$1,610

vie. 12/196:00 amSTL - EZE

2 stops33h 43mLATAM Airlines

dom. 12/218:00 amEZE - STL

2 stops18h 42mLATAM Airlines

Deal found 12/15

$1,682

vie. 12/196:30 amSTL - EZE

2 stops23h 50mUnited Airlines

dom. 12/2110:05 pmEZE - STL

2 stops27h 38mUnited Airlines

Deal found 12/15

$1,699

jue. 12/258:05 amSTL - EZE

2 stops20h 54mCopa Airlines

vie. 1/29:16 amEZE - STL

2 stops27h 52mCopa Airlines

Deal found 12/14

$1,994

vie. 12/199:30 amSTL - AEP

3 stops23h 15mLATAM Airlines

dom. 12/216:20 pmAEP - STL

2 stops21h 01mLATAM Airlines

Deal found 12/15

$2,094

jue. 12/254:05 pmSTL - AEP

2 stops28h 35mMultiple Airlines

vie. 1/22:20 pmAEP - STL

2 stops28h 09mMultiple Airlines

Deal found 12/15

$4,508

Best flights from St. Louis to Buenos Aires
Discover carefully curated flight deals from St. Louis to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 16, 2025.

mar. 3/105:00 pmSTL - AEP

2 stops21h 00mLATAM Airlines

mié. 3/253:40 pmAEP - STL

2 stops19h 12mLATAM Airlines

Deal found 12/15

$936

dom. 3/87:41 amSTL - EZE

2 stops46h 39mUnited Airlines

mar. 3/179:05 pmEZE - STL

1 stop14h 16mUnited Airlines

Deal found 12/15

$956

mar. 5/265:30 pmSTL - EZE

1 stop14h 15mMultiple Airlines

sáb. 6/64:45 pmEZE - STL

2 stops25h 55mMultiple Airlines

Deal found 12/15

$1,066

dom. 3/86:59 pmSTL - AEP

2 stops20h 01mLATAM Airlines

mar. 3/176:20 pmAEP - STL

2 stops19h 25mLATAM Airlines

Deal found 12/14

$1,013

dom. 2/84:35 pmSTL - EZE

1 stop35h 45mUnited Airlines

dom. 2/1511:55 pmEZE - STL

1 stop18h 43mUnited Airlines

Deal found 12/14

$1,075

mié. 5/2711:51 amSTL - AEP

2 stops17h 49mLATAM Airlines

lun. 6/85:05 pmAEP - STL

2 stops19h 40mLATAM Airlines

Deal found 12/16

$1,018

jue. 1/296:00 amSTL - EZE

1 stop22h 20mUnited Airlines

jue. 2/511:55 pmEZE - STL

1 stop18h 57mUnited Airlines

Deal found 12/14

$1,101

mar. 1/274:35 pmSTL - EZE

1 stop13h 45mUnited Airlines

mié. 2/410:05 pmEZE - STL

1 stop14h 17mUnited Airlines

Deal found 12/16

$1,101

jue. 1/293:45 pmSTL - AEP

2 stops21h 15mLATAM Airlines

jue. 2/53:40 pmAEP - STL

2 stops22h 24mLATAM Airlines

Deal found 12/15

$1,176

lun. 2/24:35 pmSTL - EZE

1 stop13h 45mUnited Airlines

mié. 2/1110:05 pmEZE - STL

1 stop14h 18mUnited Airlines

Deal found 12/16

$1,101

mié. 2/410:20 amSTL - EZE

1 stop18h 00mUnited Airlines

mar. 2/1010:05 pmEZE - STL

1 stop14h 17mUnited Airlines

Deal found 12/14

$1,102

vie. 1/96:00 amSTL - AEP

2 stops22h 55mLATAM Airlines

vie. 1/233:40 pmAEP - STL

2 stops23h 14mLATAM Airlines

Deal found 12/14

$1,266

jue. 1/812:00 pmSTL - AEP

2 stops18h 40mLATAM Airlines

lun. 1/263:40 pmAEP - STL

2 stops20h 13mLATAM Airlines

Deal found 12/15

$1,460

sáb. 1/175:00 pmSTL - AEP

2 stops18h 00mLATAM Airlines

dom. 1/253:40 pmAEP - STL

2 stops22h 24mLATAM Airlines

Deal found 12/14

$1,518

sáb. 2/71:00 pmSTL - AEP

2 stops17h 40mLATAM Airlines

dom. 2/156:20 pmAEP - STL

2 stops19h 42mLATAM Airlines

Deal found 12/16

$1,521

mar. 5/265:30 pmSTL - AEP

2 stops20h 30mLATAM Airlines

sáb. 6/65:05 pmAEP - STL

2 stops19h 40mLATAM Airlines

Deal found 12/15

$1,609

mié. 3/1810:02 amSTL - AEP

2 stops25h 58mLATAM Airlines

jue. 3/195:15 pmAEP - STL

2 stops20h 21mLATAM Airlines

Deal found 12/14

$1,614

Last-minute flights from St. Louis to Buenos Aires
Discover last-minute flight deals from St. Louis to Buenos Aires. Data last updated diciembre 16, 2025 and is based on user searches.

jue. 1/83:45 pmSTL - EZE

1 stop12h 35mLATAM Airlines

lun. 1/268:55 pmEZE - STL

1 stop14h 58mLATAM Airlines

Deal found 12/15

$1,188

dom. 1/116:40 pmSTL - EZE

2 stops33h 40mUnited Airlines

lun. 1/1911:55 pmEZE - STL

1 stop25h 05mUnited Airlines

Deal found 12/14

$1,190

mar. 1/135:00 pmSTL - EZE

1 stop13h 00mDelta

mar. 1/208:55 pmEZE - STL

1 stop14h 58mDelta

Deal found 12/16

$1,176

mar. 1/134:35 pmSTL - EZE

1 stop13h 45mUnited Airlines

mar. 1/2011:55 pmEZE - STL

2 stops20h 48mUnited Airlines

Deal found 12/14

$1,180

jue. 1/153:45 pmSTL - EZE

1 stop12h 35mLATAM Airlines

jue. 1/228:05 amEZE - STL

2 stops18h 32mLATAM Airlines

Deal found 12/16

$1,168

dom. 1/256:57 pmSTL - EZE

1 stop35h 03mDelta

lun. 2/28:55 pmEZE - STL

1 stop14h 58mDelta

Deal found 12/16

$1,184

mar. 1/274:35 pmSTL - EZE

1 stop13h 45mUnited Airlines

jue. 2/510:05 pmEZE - STL

1 stop14h 17mUnited Airlines

Deal found 12/16

$1,101

mié. 1/284:35 pmSTL - EZE

1 stop13h 45mUnited Airlines

vie. 2/611:55 pmEZE - STL

1 stop18h 44mUnited Airlines

Deal found 12/16

$1,141

jue. 1/298:05 amSTL - EZE

2 stops20h 15mUnited Airlines

jue. 2/511:55 pmEZE - STL

1 stop18h 57mUnited Airlines

Deal found 12/15

$1,105

jue. 1/293:45 pmSTL - AEP

2 stops21h 15mLATAM Airlines

jue. 2/53:40 pmAEP - STL

2 stops22h 24mLATAM Airlines

Deal found 12/15

$1,176

vie. 1/306:00 amSTL - EZE

1 stop22h 20mUnited Airlines

sáb. 2/710:05 pmEZE - STL

1 stop14h 17mUnited Airlines

Deal found 12/16

$1,181

sáb. 1/319:57 amSTL - EZE

2 stops18h 23mUnited Airlines

sáb. 2/710:05 pmEZE - STL

1 stop14h 17mUnited Airlines

Deal found 12/16

$1,185

One-way flights from St. Louis to Buenos Aires
Search for one-way flight options from St. Louis to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated diciembre 16, 2025.

dom. 3/87:42 amSTL - AEP

3 stops31h 38mMultiple Airlines

Deal found 12/13

$381

dom. 3/87:42 amSTL - EZE

3 stops41h 23mMultiple Airlines

Deal found 12/13

$381

mié. 1/148:32 pmSTL - EZE

3 stops52h 08mMultiple Airlines

Deal found 12/16

$406

mié. 3/184:51 pmSTL - AEP

3 stops40h 29mMultiple Airlines

Deal found 12/15

$432

mié. 3/184:51 pmSTL - EZE

3 stops56h 49mMultiple Airlines

Deal found 12/15

$441

mié. 3/181:00 pmSTL - EZE

1 stop16h 20mLATAM Airlines

Deal found 12/15

$711

mié. 1/145:00 pmSTL - EZE

1 stop13h 00mLATAM Airlines

Deal found 12/16

$751

dom. 3/83:58 pmSTL - EZE

1 stop15h 02mLATAM Airlines

Deal found 12/13

$755

Find flight deals from St. Louis to Buenos Aires

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$936 (KAYAK)
One-way from	$381 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$1,361

Provider with most accurate pricing for Lambert-St Louis-Buenos Aires (BUE) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Buenos Aires (BUE) flights.

Search Deals

From Lambert-St Louis to Buenos Aires (BUE)

Search Deals

One-way flight from Lambert-St Louis to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

mar. 3/10

5:00 pm-4:00 pm

2 stops21h 00m

Buenos Aires Jorge Newbery

mié. 3/25

3:40 pm-8:52 am

2 stops19h 12m

$936

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

dom. 3/8

7:41 am-8:20 am

2 stops46h 39m

Buenos Aires Ministro Pistarini

mar. 3/17

9:05 pm-9:21 am

1 stop14h 16m

$956

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

dom. 3/8

6:59 pm-5:00 pm

2 stops20h 01m

Buenos Aires Jorge Newbery

mar. 3/17

6:20 pm-11:45 am

2 stops19h 25m

$1,013

St. LouisBuenos Aires

STL - AEP

STLAEP

Lambert-St Louis

mié. 5/27

11:51 am-7:40 am

2 stops17h 49m

Buenos Aires Jorge Newbery

lun. 6/8

5:05 pm-10:45 am

2 stops19h 40m

$1,018

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

mar. 5/26

5:30 pm-9:45 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

sáb. 6/6

4:45 pm-4:40 pm

2 stops25h 55m

$1,066

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

dom. 2/8

4:35 pm-7:20 am

1 stop35h 45m

Buenos Aires Ministro Pistarini

dom. 2/15

11:55 pm-3:38 pm

1 stop18h 43m

$1,075

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

jue. 1/29

6:00 am-7:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

jue. 2/5

11:55 pm-3:52 pm

1 stop18h 57m

$1,101

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

mar. 1/27

4:35 pm-9:20 am

1 stop13h 45m

Buenos Aires Ministro Pistarini

mié. 2/4

10:05 pm-9:22 am

1 stop14h 17m

$1,101

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

lun. 2/2

4:35 pm-9:20 am

1 stop13h 45m

Buenos Aires Ministro Pistarini

mié. 2/11

10:05 pm-9:23 am

1 stop14h 18m

$1,101

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

mié. 2/4

10:20 am-7:20 am

1 stop18h 00m

Buenos Aires Ministro Pistarini

mar. 2/10

10:05 pm-9:22 am

1 stop14h 17m

$1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 24 results

Compare providers for flights from St. Louis to Buenos Aires

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Buenos Aires in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 St. Louis-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Buenos Aires flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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 St. Louis-Buenos Aires 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 St. Louis to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from St. Louis 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 St. Louis to Buenos Aires

What is the cheapest time of day to fly from STL to BUE?

Unlike in the morning, when flights are generally more expensive, you can save up to 8% on flights from St. Louis to Buenos Aires by exploring options for tickets at noon.

Reviews of airlines servicing Buenos Aires

Get a feel of what it's like to fly with Delta, LATAM Airlines, and United Airlines from St. Louis to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,009 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,009 reviews

Delta

7.9

Good

8,009 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

LATAM Airlines

7.5

Good

1,891 reviews

Delta

7.9

Good

8,009 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,094 reviews

Delta

7.9

Good

8,009 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,047 reviews

Delta

7.9

Good

8,009 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from St. Louis to Buenos Aires?
Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Buenos Aires from St. Louis. Booking flights from Lambert-St Louis (STL) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 1 airline.
How long is the flight from St. Louis to Buenos Aires?
Airlines like LATAM Airlines and United Airlines fly from St. Louis to Buenos Aires in about 21h. The time it takes to get you to your destination can typically vary by up to 25h 39m. There are 5458 mi between St. Louis and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly from St. Louis to Buenos Aires round-trip?
Currently priced at $1,025, Delta will fly you from St. Louis to Buenos Aires and back. In addition to Delta, many other airlines offer competitively priced options for your trip. This flight start at 20% lower than the current average price 3 months from now.
Can I find deals for flights from St. Louis to Buenos Aires that include hotel bookings?
Yes. In addition to deals on St. Louis to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Buenos Aires.
Can I find deals for business class flights from St. Louis to Buenos Aires?
Yes. Cheapflights offers flight deals from St. Louis to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from St. Louis to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$1,025	Average$1,377	FlexibilityNo cancel fee	On-timeN/A

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$381+ Cheap flights from St. Louis (STL) to Buenos Aires (BUE)

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from St. Louis to Buenos Aires

Cheapest flights from St. Louis to Buenos AiresExplore the most affordable flight options available from St. Louis to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

Explore the most affordable flight options available from St. Louis to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

Find flight deals from St. Louis to Buenos Aires

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Buenos Aires that are best for you.

Compare providers for flights from St. Louis to Buenos Aires

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 St. Louis to Buenos Aires in December.

Best time to book a flight from St. Louis to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Buenos Aires

What is the cheapest time of day to fly from STL to BUE?

Find hourly flight availability from St. Louis to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

Reviews of airlines servicing Buenos Aires

Get a feel of what it's like to fly with Delta, LATAM Airlines, and United Airlines from St. Louis to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Buenos Aires. 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 St. Louis to Buenos Aires?

How long is the flight from St. Louis to Buenos Aires?

What is the cheapest airline to fly from St. Louis to Buenos Aires round-trip?

Can I find deals for flights from St. Louis to Buenos Aires that include hotel bookings?

How can I find direct flights from St. Louis to Buenos Aires?

Can I find deals for business class flights from St. Louis to Buenos Aires?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Buenos Aires

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

Top airline flying from St. Louis to Buenos Aires

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Cheapest flights from St. Louis to Buenos Aires
Explore the most affordable flight options available from St. Louis to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.