Cancún

$124+ Cheap flights from Reagan-National (DCA) to Cancún (CUN)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CUN
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Cancun are usually found in August or September, booked 25 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Reagan-National to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Cancún (CUN). 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 September 11, 2025.

Round-trip from

$281
(American Airlines)

One-way from

$124
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$497
From Washington, D.C. Reagan-National to Cancun
One-way flight from Washington, D.C. Reagan-National to Cancun
Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Reagan-National to Cancún

Cheapest flights from Reagan-National to Cancún
Explore the most affordable flight options available from Reagan-National to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:15 amDCA - CUN
1 stop5h 56mAmerican Airlines
Sun 11/235:12 pmCUN - DCA
1 stop6h 32mAmerican Airlines
Deal found 9/10$281
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 9/276:00 amDCA - CUN
1 stop6h 54mUnited Airlines
Sat 10/47:51 amCUN - DCA
1 stop7h 08mUnited Airlines
Deal found 9/10$296
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:00 amDCA - CUN
1 stop13h 20mAeromexico
Thu 11/134:34 pmCUN - DCA
1 stop6h 07mAeromexico
Deal found 9/9$313
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/912:50 pmDCA - CUN
1 stop7h 28mUnited Airlines
Sat 11/158:39 amCUN - DCA
1 stop7h 19mUnited Airlines
Deal found 9/10$316
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:54 amDCA - CUN
1 stop5h 51mAmerican Airlines
Sat 11/11:20 pmCUN - DCA
1 stop7h 55mAmerican Airlines
Deal found 9/10$321
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:37 amDCA - CUN
1 stop5h 21mJetBlue
Thu 10/169:45 amCUN - DCA
1 stop7h 21mJetBlue
Deal found 9/10$326
This Rumbo deal was found by Cheapflights users on 9/9. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:16 pmDCA - CUN
1 stop13h 09mJetBlue
Fri 10/101:00 pmCUN - DCA
1 stop20h 27mJetBlue
Deal found 9/9$333
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 10/1410:20 amDCA - CUN
1 stop11h 00mDelta
Fri 10/1712:35 pmCUN - DCA
1 stop9h 29mDelta
Deal found 9/10$336
This JetBlue deal was found by Cheapflights users on 9/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:37 amDCA - CUN
1 stop5h 19mJetBlue
Wed 10/11:00 pmCUN - DCA
1 stop6h 54mJetBlue
Deal found 9/10$340
This JetBlue deal was found by Cheapflights users on 9/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:30 pmDCA - CUN
1 stop12h 55mJetBlue
Thu 10/169:45 amCUN - DCA
1 stop10h 09mJetBlue
Deal found 9/10$343

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Cancún 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 September 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cancún that are best for you.

Fly from

Reagan-National

Fly to

Cancún

Route

Depart

Return

Price

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Sun 11/9

8:15 am-3:59 pm

1 stop7h 44m

Cancun

Sat 11/15

8:39 am-3:58 pm

1 stop7h 19m

$321

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Fri 12/12

7:59 am-9:20 pm

1 stop13h 21m

Cancun

Sun 12/21

12:15 pm-7:04 pm

1 stop6h 49m

$336

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Mon 11/10

8:59 am-3:34 pm

1 stop6h 35m

Cancun

Thu 11/13

4:34 pm-11:41 pm

1 stop7h 07m

$336

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Fri 10/3

8:00 pm-8:25 am

1 stop13h 25m

Cancun

Sat 10/11

9:45 am-6:06 pm

1 stop7h 21m

$350

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Fri 10/3

8:00 pm-8:25 am

1 stop13h 25m

Cancun

Tue 10/7

1:00 pm-8:54 pm

1 stop6h 54m

$350

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Fri 10/24

8:30 pm-8:25 am

1 stop12h 55m

Cancun

Tue 10/28

9:30 am-5:51 pm

1 stop7h 21m

$364

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Tue 3/3

8:05 am-3:20 pm

1 stop7h 15m

Cancun

Sat 3/7

12:20 pm-10:57 pm

1 stop10h 37m

$370

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Wed 10/22

9:45 am-2:20 pm

1 stop5h 35m

Cancun

Sat 10/25

9:45 am-6:06 pm

1 stop7h 21m

$378

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Fri 11/14

8:45 am-3:25 pm

1 stop6h 40m

Cancun

Thu 12/4

11:30 am-10:29 pm

1 stop10h 59m

$380

Washington, D.C.Cancún

DCA - CUN

DCACUN

Washington, D.C. Reagan-National

Fri 12/12

7:59 am-9:20 pm

1 stop13h 21m

Cancun

Mon 12/15

8:00 am-7:33 pm

1 stop11h 33m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 23 results
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Best time to book a flight from Reagan-National to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Reagan-National 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 Washington, D.C. Reagan-National Airport to Cancún

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Cancún. Price data was last updated on August 29, 2025.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Cancún?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cancún (average of $360). Flying from Washington, D.C. Reagan-National Airport to Cancún in March is currently the most expensive (average of $492). 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 DCA to CUN?

Find hourly flight availability from Reagan-National to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Cancún in the afternoon. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta, Aeromexico, and United Airlines from Washington, D.C. Reagan-National Airport to Cancún. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Cancún. 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 into for flights to Cancún from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Cancún, you will be flying into Cancun. Cancun (CUN) is just 8.9 mi from the center of the city. Cancun is the only Cancún airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 8 airlines have flights to Cancun from Washington, D.C. Reagan-National on a regular basis.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Cancún?

    Airlines like United Airlines, Delta, and JetBlue fly from Washington, D.C. Reagan-National Airport to Cancún in about 7h 44m. The time it takes to get you to your destination can typically vary by up to 5h 41m. The distance from Washington, D.C. Reagan-National Airport to Cancún is about 1362 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Cancún round-trip?

    According to our current data, Spirit Airlines ($185), Air Canada ($274), and Aeromexico ($303) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Cancún. Spirit Airlines is currently priced 66% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Cancún one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Cancún are American Airlines ($124), Delta ($154), and United Airlines ($154).

  • Can I find deals for flights from Reagan-National to Cancún that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Cancún.

  • Can I find deals for business class flights from Reagan-National to Cancún?

    Yes. Cheapflights offers flight deals from Reagan-National to Cancún 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 Washington, D.C. Reagan-National Airport to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cancún (average of $360). Flying from Washington, D.C. Reagan-National Airport to Cancún in March is currently the most expensive (average of $492). 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

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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Alternative routes for Reagan-National to Cancún

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

Top 8 airlines flying from Reagan-National to Cancún

Discover the top 8 airlines that operate flights from Reagan-National to Cancún. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$185Average$401FlexibilityNo cancel feeOn-time65%
Air CanadaCheapest$274Average$498FlexibilityNo cancel feeOn-time67%
AeromexicoCheapest$303Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$616FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$341Average$557FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$366Average$468FlexibilityNo cancel feeOn-time62%
DeltaCheapest$400Average$539FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$520Average$695FlexibilityNo cancel feeOn-time63%

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