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Cheap flights from Washington, D.C. Dulles Intl Airport to Cancún from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Cancún departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cancún (IAD-CUN)

Cheap round-trip flights

Avianca Logo
7:25 pm - 1:10 pmIAD-CUN
18h 45m2 stops
Avianca Logo
2:15 pm - 4:20 amCUN-IAD
13h 05m1 stop
$141Avianca
Find Deal
Sat, Aug 23 - Sat, Aug 30
Avianca Logo
7:25 pm - 1:10 pmIAD-CUN
18h 45m2 stops
Avianca Logo
3:45 pm - 5:35 amCUN-IAD
12h 50m1 stop
$195Avianca
Find Deal
Sat, Aug 23 - Sat, Aug 30
Avianca Logo
4:05 am - 1:10 pmIAD-CUN
10h 05m2 stops
Avianca Logo
2:10 pm - 4:20 amCUN-IAD
13h 10m2 stops
$248Avianca
Find Deal
Fri, Oct 10 - Mon, Oct 13
United Airlines Logo
8:29 am - 12:20 pmIAD-CUN
3h 51mnonstop
United Airlines Logo
12:35 pm - 3:55 pmCUN-IAD
3h 20mnonstop
$251United Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 14
United Airlines Logo
8:34 am - 11:10 amIAD-CUN
3h 36mnonstop
United Airlines Logo
4:12 pm - 8:28 pmCUN-IAD
3h 16mnonstop
$256United Airlines
Find Deal
Mon, Sep 1 - Thu, Oct 16
Aeromexico Logo
5:05 pm - 1:15 amIAD-CUN
9h 10m1 stop
Aeromexico Logo
6:00 am - 3:02 pmCUN-IAD
8h 02m1 stop
$270Aeromexico
Find Deal
Fri, Oct 17 - Fri, Oct 31
Aeromexico Logo
5:05 pm - 1:15 amIAD-CUN
9h 10m1 stop
Aeromexico Logo
6:59 am - 11:18 pmCUN-IAD
15h 19m2 stops
$274Aeromexico
Find Deal
Fri, Oct 17 - Fri, Oct 31
American Airlines Logo
11:47 am - 8:05 pmIAD-CUN
9h 18m1 stop
American Airlines Logo
7:50 am - 4:47 pmCUN-IAD
7h 57m1 stop
$275American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
6:25 am - 1:06 pmIAD-CUN
7h 41m1 stop
American Airlines Logo
7:50 am - 10:48 pmCUN-IAD
13h 58m1 stop
$276American Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
Delta Logo
12:35 pm - 8:15 pmIAD-CUN
8h 40m1 stop
Delta Logo
8:00 am - 11:17 pmCUN-IAD
14h 17m1 stop
$307Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20

United Airlines flights from Washington, D.C. Dulles Intl Airport to Cancún

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Cancún flight tickets
United Airlines
Nov 10
IAD8:29 amWashington, D.C. Dulles Intl
3h 51m
CUN12:20 pmCancun
Nov 14
CUN12:35 pmCancun
3h 20m
IAD3:55 pmWashington, D.C. Dulles Intl
$251
Find similar
United Airlines
Sep 1
IAD8:34 amWashington, D.C. Dulles Intl
3h 36m
CUN11:10 amCancun
Oct 16
CUN4:12 pmCancun
3h 16m
IAD8:28 pmWashington, D.C. Dulles Intl
$256
Find similar
United Airlines
Aug 10
IAD1:13 pmWashington, D.C. Dulles Intl
3h 38m
CUN3:51 pmCancun
Aug 14
CUN11:14 amCancun
3h 25m
IAD3:39 pmWashington, D.C. Dulles Intl
$261
Find similar

American Airlines flights from Washington, D.C. Dulles Intl Airport to Cancún

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Cancún flight tickets
American Airlines
Sep 13
IAD11:47 amWashington, D.C. Dulles Intl
9h 18m
1 stop
CUN8:05 pmCancun
Sep 20
CUN7:50 amCancun
7h 57m
1 stop
IAD4:47 pmWashington, D.C. Dulles Intl
$275
Find similar
American Airlines
Sep 27
IAD6:25 amWashington, D.C. Dulles Intl
7h 41m
1 stop
CUN1:06 pmCancun
Oct 4
CUN7:50 amCancun
13h 58m
1 stop
IAD10:48 pmWashington, D.C. Dulles Intl
$276
Find similar
American Airlines
Aug 14
IAD6:04 pmWashington, D.C. Dulles Intl
16h 51m
1 stop
CUN9:55 amCancun
Aug 18
CUN4:20 pmCancun
16h 33m
2 stops
IAD9:53 amWashington, D.C. Dulles Intl
$280
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Cancún 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, momondo users made 832,500 searches. Data last updated August 6, 2025.
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

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 8/23

7:25 pm-1:10 pm

2 stops18h 45m

Cancun

Sat 8/30

2:15 pm-4:20 am

1 stop13h 05m

$141

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 8/23

7:25 pm-1:10 pm

2 stops18h 45m

Cancun

Sat 8/30

3:45 pm-5:35 am

1 stop12h 50m

$195

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 10/10

4:05 am-1:10 pm

2 stops10h 05m

Cancun

Mon 10/13

2:10 pm-4:20 am

2 stops13h 10m

$248

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 11/10

8:29 am-12:20 pm

Nonstop3h 51m

Cancun

Fri 11/14

12:35 pm-3:55 pm

Nonstop3h 20m

$251

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 9/1

8:34 am-11:10 am

Nonstop3h 36m

Cancun

Thu 10/16

4:12 pm-8:28 pm

Nonstop3h 16m

$256

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 10/17

5:05 pm-1:15 am

1 stop9h 10m

Cancun

Fri 10/31

6:00 am-3:02 pm

1 stop8h 02m

$270

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 10/17

5:05 pm-1:15 am

1 stop9h 10m

Cancun

Fri 10/31

6:59 am-11:18 pm

2 stops15h 19m

$274

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 9/13

11:47 am-8:05 pm

1 stop9h 18m

Cancun

Sat 9/20

7:50 am-4:47 pm

1 stop7h 57m

$275

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 9/27

6:25 am-1:06 pm

1 stop7h 41m

Cancun

Sat 10/4

7:50 am-10:48 pm

1 stop13h 58m

$276

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 9/13

12:35 pm-8:15 pm

1 stop8h 40m

Cancun

Sat 9/20

8:00 am-11:17 pm

1 stop14h 17m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Cancún?

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in September, then you should wait until February to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $543.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Cancún is on a Sunday when prices can be found for as low as $564. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $691. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest time of day to depart on your flight to Cancún?

Our most recent data shows that the best time of day to fly to Cancún is in the evening. Flights from Washington, D.C. Dulles Intl Airport to Cancún during this time can be as low as $395. Flights to Cancún are more costly in the afternoon, with an average ticket price of $867. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Dulles Intl to Cancun flight route?

Fly from Washington, D.C. Dulles Intl to Cancun for the best Washington, D.C. Dulles Intl - Cancun flight prices

How far in advance should I book a flight to Cancún?

You are more likely to see cheaper flights to Cancún from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $595 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Washington, D.C. Dulles Intl Airport for as low as $525 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Cancun flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Cancun flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Cancún flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Cancún.

How have Washington, D.C. Dulles Intl Airport to Cancún flight prices changed over time?

As of August 2025, prices for Washington, D.C. Dulles Intl Airport to Cancún flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Cancún (IAD to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Cancún

Best Price Found

$115

Fastest flight time

3h 31m

Direct flights

Every day

Airports in Cancún

1 airport
The best one-way flight to Cancún from Washington, D.C. Dulles Intl Airport in the past 72 hours is $115. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Cancún found on momondo in the last 72 hours is $141.
The fastest flight from Washington, D.C. Dulles Intl Airport to Cancún takes 3h 31m
Direct flights go from Washington, D.C. Dulles Intl Airport to Cancún every day.
There is 1 airport near Cancún: Cancun (CUN)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Cancun by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Cancun is 1348.4 mi. 3h 31m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cancun Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Cancun Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Cancun Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cancun Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The necessary travel and health documents for your Cancun Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Cancún?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Cancún?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Cancún

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Cancún with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $134Free CancellationRating
6.3
8,051 reviews
Search Spirit Airlines flights
AviancaPriceFrom $182Free CancellationRating
6.7
2,394 reviews
Search Avianca flights
Volaris El SalvadorPriceFrom $263Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
AeromexicoPriceFrom $294Free CancellationRating
7.5
1,718 reviews
Search Aeromexico flights
FrontierPriceFrom $318Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
DeltaPriceFrom $320Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $409Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $460Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Cancún

    United Airlines flies from Washington, D.C. Dulles Intl Airport to Cancún around 14 times per week, with 8,916 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to Cancún in the last 72 hours was $409 (round-trip), much lower than the average airfare cost of $618 for United Airlines flights on this route.

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Isla Mujeres
Holbox
Puerto Morelos
Akumal
Puerto Aventuras
Valladolid
Punta Sam

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cancún?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Cancún for you.

Can I find flights from Washington, D.C. to Cancún with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cancún from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Cancún?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cancún from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Cancún right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cancún, momondo offers a useful price alert feature which will track prices for flights to Cancún from Washington, D.C. and alert you when they change.

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