What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Cancún?

Mexico City (MEX) is the most affordable 1-stop option, with an average round-trip price of $402.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Cancún?

Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 5h 38m.

How often are flights from Washington, D.C. to Cancún delayed?

About 11% of weekly flights between Washington, D.C. and Cancún have experienced delays in the past year, with the average delay time being 144 minutes.

Which airline has the best punctuality record on Washington, D.C. to Cancún flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Cancún?

Mexico City (MEX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Cancún on Cheapflights.

What is the most punctual flight time for Washington, D.C. to Cancún flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Cancún?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 27m.

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

A quick flight from Washington, D.C. Dulles Intl Airport to Cancún can take about 9h 29m. Delta provides one of the quickest options available for as low as $389. Airlines will cover a distance of 1357 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 Delta. Our recent data shows that you can find tickets from as low as $144 on this airline. Additional options worth looking into are JetBlue and Aeromexico, starting at $168 and $175 round-trip. Users have found that Delta is 74% 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 $141 on United Airlines. Other airlines that offer cheap prices include Delta from $160 and Air Canada from $165 one-way.

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

The most flights from IAD to CUN are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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.

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).

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

On average you can expect to pay $712 for a flight from Washington, D.C. Dulles Intl Airport to Cancún. The cheapest flight overall is $170 while the most popular route, (Washington, D.C. Dulles Intl - Cancun) is currently priced at $360.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Cancún?

Consider United Airlines, Frontier or American Airlines when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Cancún.

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.

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 1 inbound flight from Washington, D.C. Dulles Intl per day. 7 airlines have flights to Cancun from Washington, D.C. Dulles Intl on a regular basis.

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.

$166+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Cancún

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Find cheap flights from Dulles Intl to Cancún 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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Cancun are usually found in May or September, booked 29 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Dulles Intl to Cancún

Cheapest

Best

Last-minute

One-way

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 August 17, 2026.

Sun 11/88:07 pm -

2 stops16h 30m

Fri 11/133:56 pm -

2 stops19h 21m

Deal found 8/12

$359

Mon 10/1212:35 pm -

Nonstop3h 37m

Fri 10/1611:14 am -

Nonstop3h 18m

Deal found 8/14

$360

Fri 10/236:15 am -

1 stop9h 16m

Wed 10/282:04 pm -

1 stop5h 52m

Deal found 8/12

$361

Sat 8/297:00 am -

1 stop7h 54m

Thu 9/171:51 pm -

1 stop9h 19m

Deal found 8/14

$362

Sat 10/3112:30 pm -

2 stops23h 04m

Wed 11/48:46 pm -

1 stop17h 25m

Deal found 8/12

$363

Mon 9/216:15 am -

1 stop6h 32m

Wed 9/2311:14 am -

Nonstop3h 18m

Deal found 8/14

$364

Fri 10/239:06 pm -

1 stop16h 35m

Tue 10/272:00 pm -

1 stop29h 23m

Deal found 8/13

$365

Mon 9/77:57 am -

1 stop7h 36m

Wed 9/1612:10 pm -

1 stop5h 49m

Deal found 8/12

$366

Fri 9/184:50 pm -

1 stop9h 40m

Tue 9/226:03 am -

1 stop8h 17m

Deal found 8/13

$367

Thu 12/38:00 am -

1 stop13h 10m

Mon 12/79:24 am -

2 stops12h 12m

Deal found 8/11

$368

Mon 11/23:44 pm -

1 stop9h 53m

Wed 11/49:31 pm -

2 stops22h 43m

Deal found 8/12

$369

Mon 11/91:01 pm -

Nonstop3h 54m

Wed 11/112:44 pm -

1 stop8h 00m

Deal found 8/15

$370

Best flights from Dulles Intl to Cancún
Discover carefully curated flight deals from Dulles Intl to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.

Thu 12/310:06 am -

1 stop11h 04m

Mon 12/78:00 am -

1 stop10h 32m

Deal found 8/15

$388

Fri 12/46:30 am -

1 stop9h 29m

Wed 12/95:09 pm -

Nonstop3h 20m

Deal found 8/16

$389

Mon 11/306:00 am -

1 stop9h 30m

Tue 12/81:40 pm -

1 stop10h 59m

Deal found 8/12

$410

Sun 1/318:17 am -

Nonstop3h 53m

Fri 2/54:55 pm -

Nonstop3h 24m

Deal found 8/12

$494

Tue 1/268:17 am -

Nonstop3h 53m

Sat 1/308:39 am -

1 stop13h 57m

Deal found 8/15

$497

Fri 8/2810:16 am -

1 stop10h 49m

Tue 9/112:35 pm -

2 stops10h 59m

Deal found 8/16

$601

Fri 10/306:11 am -

1 stop7h 32m

Sun 11/14:55 pm -

Nonstop3h 24m

Deal found 8/16

$557

Fri 11/131:01 pm -

Nonstop3h 54m

Tue 11/1712:28 pm -

1 stop8h 21m

Deal found 8/14

$564

Tue 9/18:31 am -

1 stop7h 06m

Sun 9/611:14 am -

Nonstop3h 18m

Deal found 8/13

$582

Mon 1/181:01 pm -

Nonstop3h 54m

Sat 1/2312:35 pm -

Nonstop3h 24m

Deal found 8/14

$584

Sat 11/71:01 pm -

Nonstop3h 54m

Wed 11/112:44 pm -

1 stop9h 53m

Deal found 8/13

$601

Wed 10/78:26 am -

Nonstop3h 39m

Thu 10/1511:14 am -

Nonstop3h 18m

Deal found 8/13

$641

Last-minute flights from Dulles Intl to Cancún
Discover last-minute flight deals from Dulles Intl to Cancún. Data last updated August 17, 2026 and is based on user searches.

Sat 8/297:00 am -

1 stop7h 54m

Thu 9/171:51 pm -

1 stop9h 19m

Deal found 8/14

$362

Mon 9/77:57 am -

1 stop7h 36m

Wed 9/1612:10 pm -

1 stop5h 49m

Deal found 8/12

$366

Mon 9/78:26 am -

Nonstop3h 39m

Fri 9/111:12 pm -

1 stop8h 33m

Deal found 8/16

$370

Fri 9/116:15 am -

1 stop8h 24m

Wed 9/1611:14 am -

Nonstop3h 18m

Deal found 8/13

$371

Mon 9/148:26 am -

Nonstop3h 39m

Wed 9/1611:14 am -

Nonstop3h 18m

Deal found 8/15

$360

Mon 9/148:26 am -

Nonstop3h 39m

Fri 9/1811:14 am -

Nonstop3h 18m

Deal found 8/16

$376

Fri 9/184:50 pm -

1 stop9h 40m

Tue 9/226:03 am -

1 stop8h 17m

Deal found 8/13

$367

Sat 9/196:14 pm -

1 stop21h 20m

Fri 9/253:37 pm -

1 stop6h 14m

Deal found 8/12

$361

Mon 9/216:15 am -

1 stop6h 32m

Wed 9/2311:14 am -

Nonstop3h 18m

Deal found 8/14

$364

Mon 9/2110:15 am -

1 stop10h 35m

Fri 10/28:00 am -

2 stops12h 44m

Deal found 8/12

$374

Fri 9/256:14 am -

1 stop9h 21m

Mon 9/284:25 pm -

2 stops18h 31m

Deal found 8/12

$373

Sun 9/276:10 am -

1 stop6h 25m

Sat 10/38:05 am -

1 stop15h 36m

Deal found 8/13

$372

One-way flights from Dulles Intl to Cancún
Search for one-way flight options from Dulles Intl to Cancún. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.

Fri 9/48:39 pm -

1 stop18h 15m

Deal found 8/13

$166

Tue 10/276:42 am -

1 stop14h 18m

Deal found 8/12

$168

Thu 9/244:50 pm -

1 stop18h 01m

Deal found 8/12

$170

Thu 11/193:44 pm -

1 stop18h 01m

Deal found 8/12

$171

Wed 9/94:50 pm -

1 stop9h 40m

Deal found 8/13

$173

Fri 9/119:04 pm -

3 stops25h 05m

Deal found 8/12

$174

Fri 9/116:14 am -

1 stop5h 56m

Deal found 8/12

$175

Tue 10/276:00 am -

1 stop9h 37m

Deal found 8/13

$178

Sat 10/104:53 pm -

1 stop17h 58m

Deal found 8/13

$180

Sun 11/17:00 am -

1 stop7h 14m

Deal found 8/14

$182

Tue 10/277:00 am -

3 stops27h 57m

Deal found 8/13

$183

Sat 10/37:50 am -

3 stops27h 13m

Deal found 8/13

$184

Find flight deals from Dulles Intl to Cancún

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$359 (American Airlines)
One-way from	$166 (Justfly.com)
Popular in	December
Cheapest in	May
Average price	$566
Good round-trip deal	$470 or less
Good one-way deal	$207 or less

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Cancun flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Cancun flights.

Search Deals

From Washington, D.C. Dulles Intl to Cancun

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Cancun

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Cancun.

Search Deals

Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Cancun.

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Thu 12/3

10:06 am-9:10 pm

1 stop11h 04m

Cancun

Mon 12/7

8:00 am-6:32 pm

1 stop10h 32m

$388

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Fri 12/4

6:30 am-3:59 pm

1 stop9h 29m

Cancun

Wed 12/9

5:09 pm-8:29 pm

Nonstop3h 20m

$389

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Mon 11/30

6:00 am-3:30 pm

1 stop9h 30m

Cancun

Tue 12/8

1:40 pm-12:39 am

1 stop10h 59m

$410

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Sun 1/31

8:17 am-12:10 pm

Nonstop3h 53m

Cancun

Fri 2/5

4:55 pm-8:19 pm

Nonstop3h 24m

$494

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Tue 1/26

8:17 am-12:10 pm

Nonstop3h 53m

Cancun

Sat 1/30

8:39 am-10:36 pm

1 stop13h 57m

$497

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Fri 10/30

6:11 am-12:43 pm

1 stop7h 32m

Cancun

Sun 11/1

4:55 pm-8:19 pm

Nonstop3h 24m

$557

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Fri 11/13

1:01 pm-4:55 pm

Nonstop3h 54m

Cancun

Tue 11/17

12:28 pm-8:49 pm

1 stop8h 21m

$564

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Tue 9/1

8:31 am-2:37 pm

1 stop7h 06m

Cancun

Sun 9/6

11:14 am-3:32 pm

Nonstop3h 18m

$582

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Mon 1/18

1:01 pm-4:55 pm

Nonstop3h 54m

Cancun

Sat 1/23

12:35 pm-3:59 pm

Nonstop3h 24m

$584

Washington, D.C.Cancún

IAD Washington, D.C. Dulles Intl - CUN Cancun

IADCUN

Washington, D.C. Dulles Intl

Fri 8/28

10:16 am-8:05 pm

1 stop10h 49m

Cancun

Tue 9/1

12:35 pm-12:34 am

2 stops10h 59m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 23 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Cancún

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star

*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.

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.

IAD-CUN

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

Prices

Airlines

Delays

Booking 28 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $521). Flying from Washington, D.C. Dulles Intl Airport to Cancún in December is currently the most expensive (average of $613). 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?

When flying from Washington, D.C. Dulles Intl Airport to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Cancún flights typically cost between $475 and $749 in November.
The cheapest round-trip price found within the last 5 days was $359 on American Airlines (Nov 8-Nov 13).

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

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Cancún trip

Our travel experts

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

Delta

7.8

Good

8,503 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Delta

7.8

Good

8,503 reviews

Delta

7.8

Good

8,503 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

United Airlines

7.4

Good

10,106 reviews

Delta

7.8

Good

8,503 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Aeromexico

7.4

Good

1,471 reviews

Delta

7.8

Good

8,503 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

American Airlines

7.1

Good

11,944 reviews

Delta

7.8

Good

8,503 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Frontier

5.6

Fair

2,676 reviews

Delta

7.8

Good

8,503 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

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 1 inbound flight from Washington, D.C. Dulles Intl per day. 7 airlines have flights to Cancun from Washington, D.C. Dulles Intl on a regular basis.
How long is the flight from Washington, D.C. Dulles Intl Airport to Cancún?
A quick flight from Washington, D.C. Dulles Intl Airport to Cancún can take about 9h 29m. Delta provides one of the quickest options available for as low as $389. Airlines will cover a distance of 1357 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 Delta. Our recent data shows that you can find tickets from as low as $144 on this airline. Additional options worth looking into are JetBlue and Aeromexico, starting at $168 and $175 round-trip. Users have found that Delta is 74% 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 $141 on United Airlines. Other airlines that offer cheap prices include Delta from $160 and Air Canada from $165 one-way.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Cancún?
On average you can expect to pay $712 for a flight from Washington, D.C. Dulles Intl Airport to Cancún. The cheapest flight overall is $170 while the most popular route, (Washington, D.C. Dulles Intl - Cancun) is currently priced at $360.
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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $521). Flying from Washington, D.C. Dulles Intl Airport to Cancún in December is currently the most expensive (average of $613). 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.

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Top 7 airlines flying from Dulles Intl to Cancún

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$144	Average$427	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$168	Average$546	FlexibilityNo cancel fee	On-time62%
Aeromexico	Cheapest$175	Average$355	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$194	Average$387	FlexibilityNo cancel fee	On-time67%
Frontier	Cheapest$197	Average$431	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$335	Average$592	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$346	Average$587	FlexibilityNo cancel fee	On-time69%

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$166+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Cancún

Cheapest flights from Dulles Intl to CancúnExplore 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 August 17, 2026.

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 August 17, 2026.

Best flights from Dulles Intl to CancúnDiscover carefully curated flight deals from Dulles Intl to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.

Discover carefully curated flight deals from Dulles Intl to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.

Last-minute flights from Dulles Intl to CancúnDiscover last-minute flight deals from Dulles Intl to Cancún. Data last updated August 17, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Cancún. Data last updated August 17, 2026 and is based on user searches.

One-way flights from Dulles Intl to CancúnSearch for one-way flight options from Dulles Intl to Cancún. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.

Search for one-way flight options from Dulles Intl to Cancún. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.

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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 August.

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.

Cheapflights Insights

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

Booking 28 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?

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

When flying from Washington, D.C. Dulles Intl Airport to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Cancún flights typically cost between $475 and $749 in November.The cheapest round-trip price found within the last 5 days was $359 on American Airlines (Nov 8-Nov 13).

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

The most flights from IAD to CUN are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Washington, D.C. to Cancún delayed?

About 11% of weekly flights between Washington, D.C. and Cancún have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for Washington, D.C. to Cancún flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Cancún flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Cancún?

Mexico City (MEX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Cancún on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Cancún?

Mexico City (MEX) is the most affordable 1-stop option, with an average round-trip price of $402.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Cancún?

Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 5h 38m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Cancún?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 27m.

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

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Reviews of airlines servicing Cancún

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

Related info for your journey

What airport do you fly into for flights to Cancún from Washington, D.C. Dulles Intl?

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

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

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

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

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

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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cancún?

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Alternative routes for Dulles Intl to Cancún

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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 August 17, 2026.

Best flights from Dulles Intl to Cancún
Discover carefully curated flight deals from Dulles Intl to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.

Last-minute flights from Dulles Intl to Cancún
Discover last-minute flight deals from Dulles Intl to Cancún. Data last updated August 17, 2026 and is based on user searches.

One-way flights from Dulles Intl to Cancún
Search for one-way flight options from Dulles Intl to Cancún. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.

Washington, D.C. Dulles Intl Airport to Cancún flights typically cost between $475 and $749 in November.
The cheapest round-trip price found within the last 5 days was $359 on American Airlines (Nov 8-Nov 13).