Cheap flights from Washington, D.C. Dulles Intl Airport to Cancún from $135

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 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:09 am - 2:33 pm
IAD
-
CUN
7h 24m
1 stop
Frontier Logo
4:09 pm - 12:31 am
CUN
-
IAD
7h 22m
1 stop
$278Frontier
Mon, Mar 9 - Wed, Mar 11
Frontier Logo
8:09 am - 2:33 pm
IAD
-
CUN
7h 24m
1 stop
Frontier Logo
1:47 pm - 11:56 pm
CUN
-
IAD
9h 09m
1 stop
$285Frontier
Mon, Mar 9 - Tue, Mar 17
Frontier Logo
10:29 am - 8:51 am
IAD
-
CUN
22h 22m
1 stop
Frontier Logo
2:47 pm - 9:34 am
CUN
-
IAD
18h 47m
1 stop
$286Frontier
Sat, Feb 21 - Fri, Feb 27
Frontier Logo
5:37 pm - 1:37 pm
IAD
-
CUN
20h 00m
1 stop
Frontier Logo
2:47 pm - 9:34 am
CUN
-
IAD
18h 47m
1 stop
$287Frontier
Thu, Feb 19 - Fri, Feb 27
Frontier Logo
6:20 am - 2:59 pm
IAD
-
CUN
9h 39m
1 stop
Frontier Logo
4:15 pm - 11:56 pm
CUN
-
IAD
6h 41m
1 stop
$288Frontier
Wed, Mar 11 - Tue, Mar 17
Frontier Logo
5:37 pm - 1:37 pm
IAD
-
CUN
20h 00m
1 stop
Frontier Logo
10:01 am - 4:43 pm
CUN
-
IAD
6h 42m
1 stop
$290Frontier
Thu, Feb 19 - Thu, Feb 26
Frontier Logo
5:39 pm - 9:11 am
IAD
-
CUN
15h 32m
1 stop
Frontier Logo
10:01 am - 4:43 pm
CUN
-
IAD
6h 42m
1 stop
$292Frontier
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
2:58 pm - 7:50 am
IAD
-
CUN
16h 52m
2 stops
Multiple Airlines Logo
2:47 pm - 9:34 am
CUN
-
IAD
18h 47m
1 stop
$294Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
8:54 am - 9:18 am
IAD
-
CUN
24h 24m
1 stop
Multiple Airlines Logo
2:47 pm - 9:34 am
CUN
-
IAD
18h 47m
1 stop
$295Multiple Airlines
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
2:58 pm - 7:50 am
IAD
-
CUN
16h 52m
2 stops
Multiple Airlines Logo
10:01 am - 4:43 pm
CUN
-
IAD
6h 42m
1 stop
$296Multiple Airlines
Fri, Feb 20 - Thu, Feb 26

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Cancún flight tickets
Frontier
Mar 9
IAD8:09 amWashington, D.C. Dulles Intl
7h 24m
1 stop
CUN2:33 pmCancun
Mar 11
CUN4:09 pmCancun
7h 22m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
$278
Frontier
Mar 9
IAD8:09 amWashington, D.C. Dulles Intl
7h 24m
1 stop
CUN2:33 pmCancun
Mar 17
CUN1:47 pmCancun
9h 09m
1 stop
IAD11:56 pmWashington, D.C. Dulles Intl
$285
Frontier
Feb 21
IAD10:29 amWashington, D.C. Dulles Intl
22h 22m
1 stop
CUN8:51 amCancun
Feb 27
CUN2:47 pmCancun
18h 47m
1 stop
IAD9:34 amWashington, D.C. Dulles Intl
$286

Air Canada flights from Washington, D.C. Dulles Intl Airport to Cancún

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Cancún flight tickets
Air Canada
Feb 10
IAD9:45 amWashington, D.C. Dulles Intl
27h 10m
1 stop
CUN12:55 pmCancun
Feb 11
CUN10:15 pmCancun
23h 08m
1 stop
IAD9:23 pmWashington, D.C. Dulles Intl
$405
Air Canada
Jan 30
IAD9:45 amWashington, D.C. Dulles Intl
12h 55m
1 stop
CUN10:40 pmCancun
Feb 2
CUN3:00 pmCancun
29h 54m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
$424
Air Canada
Jan 29
IAD9:45 amWashington, D.C. Dulles Intl
12h 55m
1 stop
CUN10:40 pmCancun
Feb 5
CUN11:00 amCancun
9h 54m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
$427

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 January 28, 2026.
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

Mon 3/9

8:09 am-2:33 pm

1 stop7h 24m

Cancun

Wed 3/11

4:09 pm-12:31 am

1 stop7h 22m

$278

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 3/9

8:09 am-2:33 pm

1 stop7h 24m

Cancun

Tue 3/17

1:47 pm-11:56 pm

1 stop9h 09m

$285

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 2/21

10:29 am-8:51 am

1 stop22h 22m

Cancun

Fri 2/27

2:47 pm-9:34 am

1 stop18h 47m

$286

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 2/19

5:37 pm-1:37 pm

1 stop20h 00m

Cancun

Fri 2/27

2:47 pm-9:34 am

1 stop18h 47m

$287

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-2:59 pm

1 stop9h 39m

Cancun

Tue 3/17

4:15 pm-11:56 pm

1 stop6h 41m

$288

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 2/19

5:37 pm-1:37 pm

1 stop20h 00m

Cancun

Thu 2/26

10:01 am-4:43 pm

1 stop6h 42m

$290

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 3/1

5:39 pm-9:11 am

1 stop15h 32m

Cancun

Thu 3/5

10:01 am-4:43 pm

1 stop6h 42m

$292

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 2/20

2:58 pm-7:50 am

2 stops16h 52m

Cancun

Fri 2/27

2:47 pm-9:34 am

1 stop18h 47m

$294

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 2/23

8:54 am-9:18 am

1 stop24h 24m

Cancun

Fri 2/27

2:47 pm-9:34 am

1 stop18h 47m

$295

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 2/20

2:58 pm-7:50 am

2 stops16h 52m

Cancun

Thu 2/26

10:01 am-4:43 pm

1 stop6h 42m

$296

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Cancún?

If you don’t want to visit Cancún in September, then you should wait until May to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $560.

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 Monday when prices can be found for as low as $551. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $650. 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 at noon. Flights from Washington, D.C. Dulles Intl Airport to Cancún during this time can be as low as $601. Flights to Cancún are more costly in the afternoon, with an average ticket price of $742. 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 $588 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 $537 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 January 2026, prices for Washington, D.C. Dulles Intl Airport to Cancún flights are approximately 10% cheaper 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

$243

Fastest flight time

3h 42m

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 $243. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Cancún found on momondo in the last 72 hours is $550.
The fastest flight from Washington, D.C. Dulles Intl Airport to Cancún takes 3h 42m
Direct flights go from Washington, D.C. Dulles Intl Airport to Cancún every day.
There is 1 airport in Cancún. From Washington, D.C. Dulles Intl Airport there are direct flights to Cancun (CUN).
  • 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 42m 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
8,388 reviews
Search Spirit Airlines flights
DeltaPriceFrom $178Free CancellationRating
7.9
8,124 reviews
Search Delta flights
Air CanadaPriceFrom $194Free CancellationRating
7.1
10,666 reviews
Search Air Canada flights
AeromexicoPriceFrom $253Free CancellationRating
7.4
1,589 reviews
Search Aeromexico flights
FrontierPriceFrom $280Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Volaris El SalvadorPriceFrom $286Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
American AirlinesPriceFrom $335Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights
United AirlinesPriceFrom $373Free CancellationRating
7.4
9,213 reviews
Search United 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 9,213 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 $373 (round-trip), much lower than the average airfare cost of $606 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.

An easier way to manage your Cancún trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/27
Fri 3/6

Find better results for your trip to Mexico