Find cheap Southwest flights to Cancún
RDU — CUN
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Cheapest Southwest flights from USA to CancúnExplore the most affordable Southwest flight options available from USA to Cancún. Find the lowest fares with prices last updated on July 27, 2026.
Explore the most affordable Southwest flight options available from USA to Cancún. Find the lowest fares with prices last updated on July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:00 am
HOU
- CUN
Nonstop2h 15m
Southwest
Wed 9/22:10 pm
CUN
- HOU
Nonstop2h 20m
Southwest
Deal found 7/22![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:55 am
HOU
- CUN
Nonstop2h 15m
Southwest
Thu 8/2011:35 am
CUN
- HOU
Nonstop2h 15m
Southwest
Deal found 7/23![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:50 pm
HOU
- CUN
Nonstop2h 10m
Southwest
Thu 8/271:00 pm
CUN
- HOU
1 stop7h 00m
Southwest
Deal found 7/26![Southwest logo]()
$385
Best Southwest flights from USA to CancúnDiscover carefully curated Southwest flight deals from USA to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated Southwest flight deals from USA to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:15 am
ATL
- CUN
1 stop7h 55m
Southwest
Fri 10/22:20 pm
CUN
- ATL
1 stop7h 30m
Southwest
Deal found 7/22![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
LGA
- CUN
1 stop7h 00m
Southwest
Fri 8/281:10 pm
CUN
- LGA
1 stop9h 10m
Southwest
Deal found 7/26![Southwest logo]()
$430
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:30 am
ATL
- CUN
2 stops7h 40m
Southwest
Fri 9/2511:35 am
CUN
- ATL
2 stops8h 25m
Southwest
Deal found 7/23![Southwest logo]()
$436
Direct Southwest flights from USA to CancúnExplore non-stop Southwest flight options from USA to Cancún based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.
Explore non-stop Southwest flight options from USA to Cancún based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:00 am
HOU
- CUN
Nonstop2h 15m
Southwest
Wed 9/22:10 pm
CUN
- HOU
Nonstop2h 20m
Southwest
Deal found 7/22![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:15 am
HOU
- CUN
Nonstop2h 10m
Southwest
Fri 11/138:20 am
CUN
- HOU
Nonstop2h 15m
Southwest
Deal found 7/23![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:55 am
HOU
- CUN
Nonstop2h 15m
Southwest
Thu 8/2011:35 am
CUN
- HOU
Nonstop2h 15m
Southwest
Deal found 7/23![Southwest logo]()
$375
Last-minute Southwest flights from USA to CancúnDiscover last-minute Southwest flight deals from USA to Cancún. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute Southwest flight deals from USA to Cancún. Data last updated July 27, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:00 am
HOU
- CUN
Nonstop2h 15m
Southwest
Wed 9/22:10 pm
CUN
- HOU
Nonstop2h 20m
Southwest
Deal found 7/22![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:55 am
HOU
- CUN
Nonstop2h 15m
Southwest
Thu 8/2011:35 am
CUN
- HOU
Nonstop2h 15m
Southwest
Deal found 7/23![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:50 pm
HOU
- CUN
Nonstop2h 10m
Southwest
Thu 8/271:00 pm
CUN
- HOU
1 stop7h 00m
Southwest
Deal found 7/26![Southwest logo]()
$385
One-way Southwest flights to CancúnSearch for one-way Southwest flight options to Cancún. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way Southwest flight options to Cancún. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:50 pm
HOU
- CUN
Nonstop2h 10m
Southwest
Deal found 7/27![Southwest logo]()
$166
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:20 am
HOU
- CUN
Nonstop2h 15m
Southwest
Deal found 7/23![Southwest logo]()
$171
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
LGA
- CUN
1 stop7h 10m
Southwest
Deal found 7/22![Southwest logo]()
$192
Flights to Cancún with Southwest at a glance
Find detailed information about Southwest flights from USA to Cancún. Explore the options provided by Southwest to plan your journey from USA to Cancún. Data last updated July 27, 2026.
Cheapflights Insights
Find cheap Southwest flights to Cancún
US0-CUN
ATL-CUN
LGA-CUN
HOU-CUN
How long is the flight to Cancún with Southwest?
On average, Southwest flights from the United States to Cancún take 3 hours 5 minutes. Flights to Cancún from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
Southwest weekly flight availability to Cancún
The most flights to Cancún operated by Southwest are scheduled on a Saturday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).
When is the best time to book a flight to Cancún with Southwest?
The best time to book a flight to Cancún with Southwest is 55 days before departure. On average, fares are higher if you book 1 day before departure.
FAQs about flights to Cancún with Southwest
Reviews of Southwest
See what Cheapflights users have to say about their Southwest experience.
Overview
Reviews
Southwest
4,229 reviews
Overview
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Recent reviews
10.0
|Jul 2026Good
8.0
|Jun 2026One delay in a 2 layover flight=a good trip. The crew was great.
6.0
|Jun 2026The seats were super cramped and couldn’t move without hitting other passengers
8.0
|Jun 2026The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
10.0
|Jun 2026On time and no problems
1 out of 1410
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