Dulles Intl

$166+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — IAD
Jul 6 — Jul 131
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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 July 1, 2025.

Round-trip from

$277
(Priceline)

One-way from

$166
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$458

Good round-trip deal

$226 or less

Good one-way deal

$276 or less
From Cancun to Washington, D.C. Dulles Intl
One-way flight from Cancun to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Cancun to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Cancun to Washington, D.C. Dulles Intl.

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 July 1, 2025.

This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/58:04 amCUN - IAD
1 stop9h 24mFrontier
Fri 7/251:27 pmIAD - CUN
1 stop19h 26mFrontier
Deal found 6/30$242
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Wed 9/312:38 pmCUN - IAD
2 stops22h 59mVolaris El Salvador
Tue 9/302:25 pmIAD - CUN
2 stops22h 23mVolaris El Salvador
Deal found 7/1$338
This OneTravel deal was found by Cheapflights users on 7/1. 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.
Wed 9/312:38 pmCUN - IAD
2 stops11h 16mMultiple Airlines
Tue 9/308:28 amIAD - CUN
1 stop12h 12mMultiple Airlines
Deal found 7/1$356
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 9/312:20 pmCUN - IAD
1 stop24h 29mUnited Airlines
Tue 9/308:34 amIAD - CUN
Nonstop3h 36mUnited Airlines
Deal found 7/1$375
This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 11/266:00 amCUN - IAD
1 stop7h 49mDelta
Sun 11/306:00 amIAD - CUN
1 stop9h 05mDelta
Deal found 7/1$393
This Air Canada deal was found by Cheapflights users on 6/30. 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.
Tue 7/11:55 pmCUN - IAD
1 stop20h 19mAir Canada
Tue 7/810:20 amIAD - CUN
1 stop10h 20mAir Canada
Deal found 6/30$406
This Aeromexico deal was found by Cheapflights users on 6/30. 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.
Wed 11/267:59 amCUN - IAD
2 stops15h 33mAeromexico
Sun 11/303:35 pmIAD - CUN
1 stop9h 18mAeromexico
Deal found 6/30$429
This American Airlines deal was found by Cheapflights users on 7/1. 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 11/261:50 pmCUN - IAD
1 stop5h 41mAmerican Airlines
Tue 12/28:50 amIAD - CUN
2 stops7h 29mAmerican Airlines
Deal found 7/1$458

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 July 1, 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

Thu 7/31

1:49 pm-12:12 am

1 stop9h 23m

Washington, D.C. Dulles Intl

Sun 8/3

7:46 pm-7:48 am

1 stop13h 02m

$277

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 9/3

12:38 pm-12:37 pm

2 stops22h 59m

Washington, D.C. Dulles Intl

Tue 9/30

2:25 pm-11:48 am

2 stops22h 23m

$338

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 9/3

12:38 pm-12:54 am

2 stops11h 16m

Washington, D.C. Dulles Intl

Tue 9/30

8:28 am-7:40 pm

1 stop12h 12m

$356

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 9/3

12:20 pm-1:49 pm

1 stop24h 29m

Washington, D.C. Dulles Intl

Tue 9/30

8:34 am-11:10 am

Nonstop3h 36m

$375

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 11/26

6:00 am-1:49 pm

1 stop7h 49m

Washington, D.C. Dulles Intl

Sun 11/30

6:00 am-3:05 pm

1 stop9h 05m

$393

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 11/26

7:59 am-11:32 pm

2 stops15h 33m

Washington, D.C. Dulles Intl

Sun 11/30

3:35 pm-12:53 am

1 stop9h 18m

$429

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 11/26

1:50 pm-7:31 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Tue 12/2

8:50 am-4:19 pm

2 stops7h 29m

$458

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Mon 10/20

2:10 pm-1:15 am

1 stop10h 05m

Washington, D.C. Dulles Intl

Tue 10/28

4:50 pm-1:10 pm

3 stops21h 20m

$503

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Mon 9/22

12:38 pm-12:37 pm

2 stops22h 59m

$166

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Fri 8/1

8:05 am-9:13 pm

1 stop12h 08m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 14 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 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 $309). Flying from Cancún to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 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 July 1, 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 in the morning tend to be the most expensive. A flight at noon could potentially save you up to 1% on airfare.

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

Explore weekly flight availability from Cancún to Dulles Intl. 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 July 1, 2025.

The most flights from CUN to IAD 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).

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 July 1, 2025.
Read through reviews of airlines operating flights from Cancún to Washington, D.C. Dulles Intl Airport, such as Delta, Aeromexico, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 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 2 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Cancun is conveniently located just 8.9 mi from Cancún’s city center.

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

    According to our current data, Frontier ($277), Volaris El Salvador ($338), and United Airlines ($375) offers the cheapest pricing from Cancún to Washington, D.C. Dulles Intl Airport. Users have found that Frontier is 34% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $166 on Volaris El Salvador. Other airlines that offer cheap prices include Frontier from $170 and Air Canada from $191 one-way.

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

    On average you can expect to pay $533 for a flight from Cancún to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $226 while the most popular route, (Cancun - Washington, D.C. Dulles Intl) is currently priced at $396.

  • 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 $309). Flying from Cancún to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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
Arlington
Woodbridge
Alexandria
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Easton
Towson
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Waldorf
Bowie
Hanover

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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.

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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$365Average$461FlexibilityNo cancel feeOn-time69%

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