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Dulles Intl

$149+ Cheap flights from Cancún (CUN) to Dulles Intl (IAD)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — IAD
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Cancún to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Dulles Intl (IAD). 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 septiembre 15, 2025.

Round-trip from

$281
(Delta)

One-way from

$149
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$339

Good round-trip deal

$339 or less

Good one-way deal

$229 or less
From Cancun to Washington, D.C. Dulles Intl
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One-way flight from Cancun to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Cancun to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Cancun to Washington, D.C. Dulles Intl.
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Find flight deals from Cancún to Dulles Intl

Cheapest flights from Cancún to Dulles Intl
Explore the most affordable flight options available from Cancún to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 11/266:00 amCUN - IAD
1 stop8h 02mDelta
mar. 12/23:38 pmIAD - CUN
1 stop5h 42mDelta
Deal found 9/15$281
This American Airlines deal was found by Cheapflights users on 9/13. 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.
mié. 11/2611:50 amCUN - IAD
2 stops12h 09mAmerican Airlines
mar. 12/25:29 pmIAD - CUN
2 stops17h 19mAmerican Airlines
Deal found 9/13$294
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/1511:14 amCUN - IAD
Nonstop3h 16mUnited Airlines
mar. 10/218:34 amIAD - CUN
Nonstop3h 36mUnited Airlines
Deal found 9/14$314
This United Airlines deal was found by Cheapflights users on 9/13. 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.
mar. 10/285:30 pmCUN - IAD
1 stop12h 18mUnited Airlines
mar. 11/46:30 amIAD - CUN
1 stop7h 03mUnited Airlines
Deal found 9/13$319
This United Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 11/72:44 pmCUN - IAD
1 stop7h 28mUnited Airlines
mié. 11/1210:10 pmIAD - CUN
1 stop16h 08mUnited Airlines
Deal found 9/14$320
This Air Canada deal was found by Cheapflights users on 9/14. 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.
lun. 9/152:00 pmCUN - IAD
1 stop20h 13mAir Canada
sáb. 9/205:37 pmIAD - CUN
1 stop20h 23mAir Canada
Deal found 9/14$324
This Air Canada deal was found by Cheapflights users on 9/13. 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.
lun. 9/158:45 pmCUN - IAD
1 stop11h 53mAir Canada
dom. 9/2110:20 amIAD - CUN
1 stop10h 20mAir Canada
Deal found 9/13$326
This Aeromexico deal was found by Cheapflights users on 9/12. 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.
mié. 11/266:00 amCUN - IAD
1 stop8h 02mAeromexico
dom. 11/304:01 pmIAD - CUN
1 stop17h 35mAeromexico
Deal found 9/12$327
This OneTravel deal was found by Cheapflights users on 9/13. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/288:49 amCUN - IAD
2 stops13h 11mAeromexico
mar. 11/44:01 pmIAD - CUN
1 stop9h 18mAeromexico
Deal found 9/13$337
This United Airlines deal was found by Cheapflights users on 9/13. 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.
jue. 12/182:44 pmCUN - IAD
1 stop8h 15mUnited Airlines
vie. 1/212:46 pmIAD - CUN
Nonstop3h 54mUnited Airlines
Deal found 9/13$341

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to Dulles Intl 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Cancún to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Cancún

Fly to

Dulles Intl

Route

Depart

Return

Price

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

mié. 11/26

6:00 am-2:02 pm

1 stop8h 02m

Washington, D.C. Dulles Intl

mar. 12/2

10:08 am-9:20 pm

1 stop11h 12m

$281

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

mié. 10/15

11:14 am-3:30 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

mar. 10/21

8:34 am-11:10 am

Nonstop3h 36m

$314

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

vie. 11/7

12:35 pm-3:55 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

mié. 11/12

10:10 pm-2:18 pm

1 stop16h 08m

$314

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

mar. 10/28

4:09 pm-8:29 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

mar. 11/4

8:30 am-8:18 pm

1 stop11h 48m

$314

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

mié. 11/26

6:00 am-2:02 pm

1 stop8h 02m

Washington, D.C. Dulles Intl

dom. 11/30

4:01 pm-9:36 am

1 stop17h 35m

$327

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

jue. 12/25

7:45 am-11:00 am

Nonstop3h 15m

$149

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

sáb. 9/27

4:12 pm-8:28 pm

Nonstop3h 16m

$154

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

sáb. 9/20

3:01 pm-3:03 pm

1 stop23h 02m

$161

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

sáb. 10/18

12:50 pm-7:18 am

1 stop17h 28m

$161

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

mié. 10/15

6:00 am-3:10 pm

1 stop8h 10m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 12 results
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The best insider tips for Cancún to Washington, D.C. Dulles Intl Airport 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 Cancún to Washington, D.C. Dulles Intl Airport trip
Airports
CUN

Cancun Airport's terminals are crowded, so arrive early to navigate long security lines and packed waiting areas.

Read more about CUNby Ramsey Qubein
IAD

Use the Silver Line Metro for a cheap, 40-minute ride to Washington, D.C. from IAD, with the station just five minutes from the terminal.

Read more about IADby 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 Cancún to Dulles Intl

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

What is the cheapest time of day to fly from CUN to IAD?

Find hourly flight availability from Cancún to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

One of the essential ways to save on airfare from Cancún to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 7% on airfare.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated septiembre 15, 2025.
Read through reviews of airlines operating flights from Cancún to Washington, D.C. Dulles Intl Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Cancún to Dulles Intl. 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 Cancún to Washington, D.C. Dulles Intl?

    Most people fly from Cancun (CUN) if they book a flight from Cancún to Washington, D.C. Dulles Intl. On average, Cancun has 1 outbound flight to Washington, D.C. Dulles Intl per day from 1 airline. Cancun is conveniently located just 8.9 mi from Cancún’s city center.

  • How long is the flight from Cancún to Washington, D.C. Dulles Intl Airport?

    Airlines like Delta and United Airlines fly from Cancún to Washington, D.C. Dulles Intl Airport in about 3h 16m. The time it takes to get you to your destination can typically vary by up to 4h 46m. Cancún and Washington, D.C. Dulles Intl Airport are separated by a distance of 1357 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Cancún to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, United Airlines ($363), offers the cheapest pricing from Cancún to Washington, D.C. Dulles Intl Airport. Users have found that United Airlines is 14% cheaper than the other options available to this destination.

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

    On average you can expect to pay $469 for a flight from Cancún to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $138 while the most popular route, (Cancun - Washington, D.C. Dulles Intl) is currently priced at $314.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cancún to Dulles Intl 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 Cancún to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Cancún to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Cancún to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cancún to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Baltimore flights
Cancún to Reagan-National flights

Top airline flying from Cancún to Dulles Intl

Discover the top airline that operate flights from Cancún to Dulles Intl. 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$363Average$460FlexibilityNo cancel feeOn-time69%

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