Dulles Intl

$165+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — IAD
Jan 3 — Jan 101
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 December 4, 2025.

This Air Canada deal was found by Cheapflights users on 12/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:25 pmCUN - IAD
1 stop20h 21mAir Canada
Tue 12/3010:06 pmIAD - CUN
1 stop12h 44mAir Canada
Deal found 12/4$318
This Air Canada deal was found by Cheapflights users on 12/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:15 pmCUN - IAD
1 stop8h 44mAir Canada
Tue 12/169:00 amIAD - CUN
1 stop9h 00mAir Canada
Deal found 12/2$324
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:38 amCUN - IAD
2 stops26h 51mMultiple Airlines
Fri 12/129:20 pmIAD - CUN
1 stop11h 47mMultiple Airlines
Deal found 12/2$359
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amCUN - IAD
1 stop8h 02mDelta
Fri 12/126:00 amIAD - CUN
1 stop9h 33mDelta
Deal found 12/2$397
This eDestinos deal was found by Cheapflights users on 12/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:58 pmCUN - IAD
1 stop8h 12mFrontier
Tue 12/169:00 amIAD - CUN
2 stops50h 16mFrontier
Deal found 12/2$403
This eDestinos deal was found by Cheapflights users on 12/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:38 amCUN - IAD
2 stops26h 51mFrontier
Tue 12/309:58 pmIAD - CUN
2 stops19h 14mFrontier
Deal found 12/2$418
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amCUN - IAD
2 stops13h 19mDelta
Tue 12/306:00 amIAD - CUN
1 stop9h 20mDelta
Deal found 12/2$491

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$250
(United Airlines)

One-way from

$165
(Delta)

Popular in

June

Cheapest in

April

Average price

$457

Good round-trip deal

$400 or less

Good one-way deal

$279 or less
Provider with most accurate pricing for Cancun-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Cancun-Washington, D.C. Dulles Intl flights.
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 ($46 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 December 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.

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 December 4, 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

Tue 3/24

11:40 am-3:55 pm

Nonstop3h 15m

Washington, D.C. Dulles Intl

Tue 4/7

1:13 pm-3:51 pm

Nonstop3h 38m

$250

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Sat 2/7

5:09 pm-8:29 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Tue 2/17

8:29 am-12:20 pm

Nonstop3h 51m

$250

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Thu 1/15

5:09 pm-8:29 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sun 1/18

12:46 pm-4:40 pm

Nonstop3h 54m

$251

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Fri 1/16

12:35 pm-3:55 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Fri 1/23

12:46 pm-4:40 pm

Nonstop3h 54m

$251

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 3/25

6:06 am-2:45 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Wed 4/8

5:09 pm-11:13 am

1 stop19h 04m

$261

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 3/25

6:06 am-2:45 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Tue 4/7

6:00 am-11:30 am

1 stop6h 30m

$261

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 3/25

6:06 am-2:45 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Sun 4/5

7:00 am-3:15 pm

1 stop9h 15m

$261

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Tue 3/24

11:10 am-8:54 pm

1 stop8h 44m

Washington, D.C. Dulles Intl

Mon 4/6

7:00 am-2:15 pm

1 stop8h 15m

$266

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Wed 3/25

6:06 am-2:45 pm

1 stop7h 39m

$165

CancúnWashington, D.C.

CUN - IAD

CUNIAD

Cancun

Mon 4/6

9:39 pm-3:17 pm

1 stop16h 38m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 19 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cancún-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 4, 2025.

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
Airports
CUN

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

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.

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

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 December 4, 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.

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 United Airlines fly from Cancún to Washington, D.C. Dulles Intl Airport in about 3h 15m. The time it takes to get you to your destination is usually consistent. Cancún and Washington, D.C. Dulles Intl Airport are separated by a distance of 1357 mi. Most flights are nonstop.

  • 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 Delta from $174 one-way.

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

    On average you can expect to pay $459 for a flight from Cancún to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $196 while the most popular route, (Cancun - Washington, D.C. Dulles Intl) is currently priced at $251.

  • 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

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.

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 December 4, 2025.
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.