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$161+ Cheap flights from Dulles Intl (IAD) 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUN
Apr 14 — Apr 211
Mon 4/14
Mon 4/21
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Cancun are usually found in September or February, booked 26 days in advance, depart on a Monday or Sunday and return on a Saturday

Cheap flight deals from Dulles Intl to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 April 9, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(CheapOair)

One-way from

$161
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$633

Good round-trip deal

$508 or less

Good one-way deal

$212 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Cancun flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Cancun flights.
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From Washington, D.C. Dulles Intl to Cancun
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One-way flight from Washington, D.C. Dulles Intl to Cancun
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Highest demand for flights based on searches. 7% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Cancun.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Cancun.
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Find flight deals from Dulles Intl to Cancún

Cheapest flights from Dulles Intl to Cancún
Explore the most affordable flight options available from Dulles Intl to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2025.

This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:22 amIAD - CUN
2 stops10h 03mVolaris El Salvador
Mon 9/2912:23 pmCUN - IAD
2 stops22h 56mVolaris El Salvador
Deal found 4/8$302
This Avianca deal was found by Cheapflights users on 4/8. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:25 pmIAD - CUN
2 stops18h 45mAvianca
Tue 10/282:10 pmCUN - IAD
1 stop11h 30mAvianca
Deal found 4/8$310
This Trip.com deal was found by Cheapflights users on 4/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2112:11 pmIAD - CUN
1 stop9h 33mMultiple Airlines
Sun 4/2712:38 pmCUN - IAD
2 stops22h 42mMultiple Airlines
Deal found 4/7$333
This Aeromexico deal was found by Cheapflights users on 4/7. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:40 pmIAD - CUN
1 stop9h 17mAeromexico
Wed 9/106:02 amCUN - IAD
1 stop8h 08mAeromexico
Deal found 4/7$351
This Delta deal was found by Cheapflights users on 4/7. 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 9/26:00 amIAD - CUN
2 stops12h 13mDelta
Tue 9/912:25 pmCUN - IAD
1 stop7h 48mDelta
Deal found 4/7$365
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/261:13 pmIAD - CUN
Nonstop3h 38mUnited Airlines
Wed 4/3011:14 amCUN - IAD
Nonstop3h 25mUnited Airlines
Deal found 4/8$396
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Sat 4/265:00 amIAD - CUN
1 stop5h 30mAmerican Airlines
Fri 5/212:29 pmCUN - IAD
1 stop6h 12mAmerican Airlines
Deal found 4/8$402
This Air Canada deal was found by Cheapflights users on 4/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/91:53 pmIAD - CUN
1 stop7h 52mAir Canada
Sat 4/129:25 pmCUN - IAD
1 stop11h 21mAir Canada
Deal found 4/8$419
This Mytrip deal was found by Cheapflights users on 4/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:17 pmIAD - CUN
1 stop19h 48mFrontier
Fri 5/3010:50 amCUN - IAD
1 stop25h 27mFrontier
Deal found 4/8$427

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 April 9, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cancún that are best for you.

Fly from

Dulles Intl

Fly to

Cancún

Route

Depart

Return

Price

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 9/23

2:22 am-11:25 am

2 stops10h 03m

Cancun

Mon 9/29

12:23 pm-12:19 pm

2 stops22h 56m

$302

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 6/28

7:25 pm-1:10 pm

2 stops18h 45m

Cancun

Sun 7/6

2:10 pm-4:20 am

2 stops13h 10m

$323

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 4/21

12:11 pm-8:44 pm

1 stop9h 33m

Cancun

Sun 4/27

12:38 pm-12:20 pm

2 stops22h 42m

$333

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 9/1

4:40 pm-12:57 am

1 stop9h 17m

Cancun

Wed 9/10

6:02 am-3:10 pm

1 stop8h 08m

$351

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 9/2

6:00 am-5:13 pm

2 stops12h 13m

Cancun

Tue 9/9

12:25 pm-9:13 pm

1 stop7h 48m

$365

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 4/26

1:13 pm-3:51 pm

Nonstop3h 38m

Cancun

Wed 4/30

11:14 am-3:39 pm

Nonstop3h 25m

$396

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 4/26

5:00 am-9:30 am

1 stop5h 30m

Cancun

Fri 5/2

12:29 pm-7:41 pm

1 stop6h 12m

$402

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 4/21

3:55 pm-12:00 pm

1 stop21h 05m

Cancun

Thu 4/24

10:45 am-1:56 pm

1 stop26h 11m

$424

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 5/23

1:17 pm-8:05 am

1 stop19h 48m

Cancun

Fri 5/30

10:50 am-1:17 pm

1 stop25h 27m

$427

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 5/19

5:26 pm-8:16 am

1 stop15h 50m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 18 results
1
2

Compare providers for flights from Dulles Intl to Cancún

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 Dulles Intl to Cancún in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust 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 Washington, D.C. Dulles Intl Airport-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Cancún flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cancún flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-Cancún flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Washington, D.C. Dulles Intl Airport to Cancún flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Cancún trip
Airports
IAD

For a smooth departure from IAD, use the Aerotrain to quickly reach your concourse. Allow extra time for long security lines.

Read more about IADby Ramsey Qubein
CUN

Arrange a hotel transfer in advance to avoid taxi scams at CUN. Look for your prearranged ride sign in the arrivals area.

Read more about CUNby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CUN

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Dulles Intl to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Dulles Intl 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. Dulles Intl Airport to Cancún

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Cancún. Price data was last updated on April 4, 2025.

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Cancún?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $360). Flying from Washington, D.C. Dulles Intl 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 IAD to CUN?

Find hourly flight availability from Dulles Intl 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 April 9, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Cancún is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 50% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Cancún?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Cancún. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Cancún flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Cancún

Explore weekly flight availability from Dulles Intl to Cancún. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 9, 2025.

The most flights from IAD to CUN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Cancún by month

Plan your trip to Cancún by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.

Temperature in Cancún by month

Plan your trip to Cancún by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

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 April 9, 2025.
Get a feel of what it's like to fly with Delta, Hawaiian Airlines and Aeromexico from Washington, D.C. to Cancún by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,902 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,902 reviews
Delta
8.0
Very good
7,902 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Hawaiian Airlines
7.9
Good
2,361 reviews
Delta
8.0
Very good
7,902 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,699 reviews
Delta
8.0
Very good
7,902 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,633 reviews
Delta
8.0
Very good
7,902 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,902 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl 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 2 inbound flights from Washington, D.C. Dulles Intl per day. 8 airlines have flights to Cancun from Washington, D.C. Dulles Intl on a regular basis.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Cancún is Volaris El Salvador. Our recent data shows that you can find tickets from as low as $302 on this airline. Additional options worth looking into are Avianca and Aeromexico, starting at $323 and $351 round-trip. Users have found that Volaris El Salvador is 49% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $163 on Volaris El Salvador. Other airlines that offer cheap prices include American Airlines from $171 and Frontier from $177 one-way.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Cancún?

    On average you can expect to pay $890 for a flight from Washington, D.C. Dulles Intl Airport to Cancún. The cheapest flight overall is $185 while the most popular route, (Washington, D.C. Dulles Intl - Cancun) is currently priced at $314.

  • Can I find deals for flights from Dulles Intl to Cancún that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Cancún?

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

  • Can I find deals for business class flights from Dulles Intl to Cancún?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $360). Flying from Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Puerto Aventuras
Punta Sam
Holbox

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Alternative routes for Dulles Intl to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Cancún flights
Reagan-National to Cancún flights
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Top 8 airlines flying from Dulles Intl to Cancún

Discover the top 8 airlines that operate flights from Dulles Intl 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 April 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$183Average$475FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$193Average$451FlexibilityNo cancel feeOn-time65%
Volaris El SalvadorCheapest$263Average$352FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$297Average$472FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$302Average$420FlexibilityNo cancel feeOn-time62%
DeltaCheapest$320Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$406Average$616FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$411Average$635FlexibilityNo cancel feeOn-time71%

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