HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$178+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — IAD
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cancún to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 5, 2026.

This Delta deal was found by Cheapflights users on 2/5. 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 8/196:03 am
CUN
-
IAD
1 stop8h 14m
Delta
Wed 8/2610:05 am
IAD
-
CUN
1 stop5h 05m
Delta
Deal found 2/5$268
This Aeromexico deal was found by Cheapflights users on 2/4. 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 4/208:45 pm
CUN
-
IAD
1 stop17h 25m
Aeromexico
Tue 4/215:27 pm
IAD
-
CUN
1 stop16h 26m
Aeromexico
Deal found 2/4$269
This Delta deal was found by Cheapflights users on 2/5. 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.
Fri 2/2712:05 pm
CUN
-
IAD
2 stops12h 16m
Delta
Sun 3/16:00 am
IAD
-
CUN
1 stop10h 45m
Delta
Deal found 2/5$274
This Delta deal was found by Cheapflights users on 2/3. 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 5/196:00 am
CUN
-
IAD
1 stop8h 10m
Delta
Tue 5/266:00 am
IAD
-
CUN
1 stop7h 55m
Delta
Deal found 2/3$277
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:01 am
CUN
-
IAD
1 stop6h 42m
Frontier
Sun 3/15:39 pm
IAD
-
CUN
1 stop15h 32m
Frontier
Deal found 2/3$281
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:15 am
CUN
-
IAD
1 stop6h 09m
Frontier
Sun 3/15:39 pm
IAD
-
CUN
1 stop19h 58m
Frontier
Deal found 2/5$282
This Delta deal was found by Cheapflights users on 2/4. 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 2/2512:05 pm
CUN
-
IAD
2 stops11h 04m
Delta
Sun 3/17:00 am
IAD
-
CUN
1 stop9h 25m
Delta
Deal found 2/4$284
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Wed 5/66:20 am
IAD
-
CUN
1 stop9h 36m
Frontier
Deal found 2/2$287
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/45:09 pm
CUN
-
IAD
Nonstop3h 20m
United Airlines
Sun 3/810:30 pm
IAD
-
CUN
1 stop17h 20m
United Airlines
Deal found 2/2$292
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/312:35 pm
CUN
-
IAD
Nonstop3h 20m
United Airlines
Sun 3/810:31 pm
IAD
-
CUN
1 stop13h 59m
United Airlines
Deal found 2/3$293
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 3/55:09 pm
CUN
-
IAD
Nonstop3h 20m
United Airlines
Sun 3/810:20 pm
IAD
-
CUN
1 stop13h 10m
United Airlines
Deal found 2/5$295

Find 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$268
(Delta)

One-way from

$178
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$418

Good round-trip deal

$439 or less

Good one-way deal

$253 or less
Provider with most accurate pricing for Cancun-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cancun-Washington, D.C. Dulles Intl flights.
Search Deals
From Cancun to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Cancun to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Cancun to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Cancun to Washington, D.C. Dulles Intl.
Search Deals

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 February 5, 2026.
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 2/26

6:01 am-1:45 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Sun 3/1

12:35 pm-9:11 pm

1 stop8h 36m

$268

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Tue 5/19

6:00 am-3:10 pm

1 stop8h 10m

Washington, D.C. Dulles Intl

Tue 5/26

6:00 am-12:55 pm

1 stop7h 55m

$277

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 3/4

6:01 am-1:45 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-8:20 pm

1 stop5h 45m

$279

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Thu 3/5

6:01 am-1:45 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Sun 3/8

10:06 am-8:20 pm

1 stop11h 14m

$279

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Tue 3/3

6:01 am-1:45 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Sun 3/8

12:47 pm-8:20 pm

1 stop8h 33m

$279

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Fri 2/27

12:05 pm-12:21 am

2 stops12h 16m

Washington, D.C. Dulles Intl

Sun 3/1

10:08 am-4:45 pm

1 stop6h 37m

$284

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 3/4

5:09 pm-8:29 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sun 3/8

10:30 pm-2:50 pm

1 stop17h 20m

$292

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 2/25

6:01 am-1:45 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Sun 3/1

10:08 am-4:45 pm

1 stop6h 37m

$292

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Thu 4/16

6:00 am-3:10 pm

1 stop8h 10m

Washington, D.C. Dulles Intl

Mon 4/20

6:00 am-4:40 pm

2 stops11h 40m

$292

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Tue 2/24

12:05 pm-12:21 am

2 stops12h 16m

Washington, D.C. Dulles Intl

Sun 3/1

7:15 am-3:35 pm

1 stop8h 20m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Cancún to Dulles Intl

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 Cancún to Dulles Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust 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 Cancún-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cancún-Washington, D.C. Dulles Intl Airport 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 Cancún-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 5, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from Cancún to Washington, D.C. Dulles Intl Airport?

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Cancún to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CUN

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

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 February 5, 2026.
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
9,240 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,240 reviews
United Airlines
7.4
Good
9,240 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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.

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

    Airlines like Delta fly from Cancún to Washington, D.C. Dulles Intl Airport in about 7h 44m. The time it takes to get you to your destination can typically vary by up to . Cancún and Washington, D.C. Dulles Intl Airport are separated by a distance of 1357 mi.

  • 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 ($345), offers the cheapest pricing from Cancún to Washington, D.C. Dulles Intl Airport. Users have found that United Airlines is 17% 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 $155 on United Airlines. Other airlines that offer cheap prices include Aeromexico from $162 and Frontier from $196 one-way.

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

    On average you can expect to pay $499 for a flight from Cancún to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $176 while the most popular route, (Cancun - Washington, D.C. Dulles Intl) is currently priced at $268.

  • 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$345Average$458FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.