IAD - CUN

$171 Find Cheap Flights from Washington Dulles Airport to Cancun - Compare and Save

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Everything you should know

Cheapest round-trip
$362
Typical prices: $460-$716
Delta
Wed 3/7Sat 3/17
IAD - CUN • 2 stops
Cheapest non-stop
$363
Typical prices: $474-$725
United Airlines
Sat 10/13Tue 10/23
IAD - CUN • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 3h 47m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $338 (round-trip)
Shortest trip • 6h 22m (one-way)
Insights
Insights
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We hope you love your trip to Cancún!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dulles Intl to Cancún (IAD-CUN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Cancún

Sun, Mar 7 - Wed, Mar 17
Delta Logo
7:50 pm - 12:05 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
16h 15m2 stops Atlanta Hartsfield-Jackson Miami
Delta Logo
6:06 am - 3:06 pmCUN  Cancun-IAD Washington, D.C. Dulles Intl
8h 00m1 stop Mexico City Benito Juarez
$362Delta
Sun, Mar 7 - Tue, Mar 16
Delta Logo
7:50 pm - 12:05 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
16h 15m2 stops Atlanta Hartsfield-Jackson Miami
Delta Logo
6:06 am - 3:06 pmCUN  Cancun-IAD Washington, D.C. Dulles Intl
8h 00m1 stop Mexico City Benito Juarez
$362Delta
Tue, Jan 19 - Tue, Jan 26
United Airlines Logo
1:01 pm - 4:55 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
3h 54mnonstop
United Airlines Logo
12:28 pm - 9:12 pmCUN  Cancun-IAD Washington, D.C. Dulles Intl
8h 44m1 stop Houston George Bush Intcntl
$363United Airlines
Tue, Oct 13 - Fri, Oct 23
United Airlines Logo
8:26 am - 11:05 amIAD  Washington, D.C. Dulles Intl-CUN Cancun
3h 39mnonstop
United Airlines Logo
11:14 am - 3:32 pmCUN  Cancun-IAD Washington, D.C. Dulles Intl
3h 18mnonstop
$363United Airlines
Fri, Sep 25 - Sat, Oct 3
Frontier Logo
9:04 pm - 12:37 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
16h 33m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:51 pm - 12:10 amCUN  Cancun-IAD Washington, D.C. Dulles Intl
9h 19m1 stop Atlanta Hartsfield-Jackson
$363Frontier
Sat, Sep 19 - Sat, Sep 26
Frontier Logo
9:04 pm - 12:37 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
16h 33m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:51 pm - 12:10 amCUN  Cancun-IAD Washington, D.C. Dulles Intl
9h 19m1 stop Atlanta Hartsfield-Jackson
$363Frontier
Thu, Nov 26 - Tue, Dec 1
Aeromexico Logo
3:44 pm - 11:38 amIAD  Washington, D.C. Dulles Intl-CUN Cancun
19h 54m1 stop Mexico City Benito Juarez
Aeromexico Logo
8:02 am - 12:42 amCUN  Cancun-IAD Washington, D.C. Dulles Intl
16h 40m2 stops Mexico City Benito Juarez Atlanta Hartsfield-Jackson
$364Aeromexico
Thu, Nov 26 - Wed, Dec 2
Aeromexico Logo
3:44 pm - 1:32 amIAD  Washington, D.C. Dulles Intl-CUN Cancun
9h 48m1 stop Mexico City Benito Juarez
Aeromexico Logo
7:01 am - 12:42 amCUN  Cancun-IAD Washington, D.C. Dulles Intl
17h 41m2 stops Mexico City Benito Juarez Atlanta Hartsfield-Jackson
$364Aeromexico
Sun, Oct 11 - Mon, Oct 19
Multiple Airlines Logo
9:06 pm - 12:41 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
16h 35m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
10:00 am - 7:43 amCUN  Cancun-IAD Washington, D.C. Dulles Intl
20h 43m2 stops Montreal Pierre Elliott Trudeau Intl Ottawa
$364Multiple Airlines
Sun, Nov 8 - Tue, Nov 17
Multiple Airlines Logo
9:06 pm - 1:41 pmIAD  Washington, D.C. Dulles Intl-CUN Cancun
16h 35m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
8:00 am - 8:10 pmCUN  Cancun-IAD Washington, D.C. Dulles Intl
12h 10m1 stop Toronto Pearson Intl
$364Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Cancún flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Cancún with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Cancún?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Cancún start at $362. Prices are below average for this route right now, with typical round-trip fares ranging from $460 to $716. The lowest price found in the past 5 days was $362 on Delta.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Cancún?

Monday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Cancún, it is 11% cheaper than the average day. Thursday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cancún at $486 round-trip.
  • December ($674) and March ($647) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 38% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Cancún the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Cancún are cheapest 24 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Dulles Intl to Cancún

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Brandon Schultz

Brandon Schultz

Expert on CUN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for Washington, D.C. Dulles Intl Airport to Cancún flights

Low season

September

Cheapest flight

$171
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Cancún

When to book flights from Dulles Intl to Cancún

Are your dates flexible? Find out the best times to travel from Dulles Intl to Cancún based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Cancún flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • How to get from Cancun International Airport to Cancun city center?

    There are various options for reaching the city center from CUN. There are numerous taxi/cab services that you can utilize by making pre-arrangements. You can use the public ADO bus, which is the cheapest option. You can also use the various rental car services available at the airport. Renting cars is easy and convenient and you have a great variety of different vehicle and budget options.

  • Does Washington Dulles International Airport have accessibility services?

    Yes. The airport has reserved parking spaces that are accessible for low-mobility travelers, and you can request wheelchair assistance services through your airlines. The elevators have buttons with braille labels for independent navigation of low-vision travelers. Visual pagers for low-hearing travelers are strategically placed around the airport. The airport shuttle buses are well adapted and equipped with wheelchair lifts and ramps. All restrooms are wheelchair accessible and have well adapted with special features like modified sinks and toilet stalls.

  • What hotels are near Cancun International Airport?

    Some hotels near CUN include Courtyard by Marriott Cancun Airport, Hampton Inn by Hilton Cancun Cumbres, and Reflect Crystal Grand Cancun. They offer numerous amenities for guests including free shuttle services to the airport.

  • Is Washington Dulles International Airport pet-friendly?

    For travelers accompanied by pets or service animals, IAD has some designated pet/animal relief areas. Some locations of the pet relief areas include adjacent to gate A32, across gate D1, and outside the terminal on the departures level. There is also another relief area on the Arrivals Level, around Baggage Claim 1.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Cancún flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to Cancún flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Washington, D.C. Dulles Intl Airport to Cancún?

    Only United Airlines operates flights between Washington, D.C. Dulles Intl Airport and Cancún.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Cancún?

    Flights from Washington, D.C. Dulles Intl Airport to Cancún usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Cancun (CUN).

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Cancún flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Lufthansa: a cabin bag and a checked bag in Economy Class
    • ANA: a cabin bag and a checked bag in Business Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Cancún?

    Three cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Cancún:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Cancún?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $338 round-trip via Minneapolis St Paul (MSP), compared to $589 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. Dulles Intl Airport to Cancún?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to Cancún?

    The Boeing 737-900 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Cancún pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Cancún most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 52% of one-stop connections
    • Charlotte Douglas (CLT) - 25% of one-stop connections
    • Mexico City Benito Juarez (MEX) - 9% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 6% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Cancún?

    Yes. Being flexible with your travel dates can save you up to 18% on the Washington, D.C. Dulles Intl Airport to Cancún route. Monday is the cheapest departure day at $521 round-trip on average, while Thursday is the most expensive at $633, a difference of $112. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Washington, D.C. Dulles Intl Airport to Cancún?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Washington, D.C. Dulles Intl Airport to Cancún route, 11% of flights were delayed in the past 3 months, with delays averaging 2 hours 22 minutes.

  • How are flight departures from Washington, D.C. Dulles Intl Airport to Cancún spread across the day?

    Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Cancún flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

  • What popular places can I visit in Cancún?

    Some of the most popular sights in Cancún are Puerto Cancun, Nichupte Lagoon and Playa Caracol. These are among the most viewed places in Cancún on KAYAK.

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

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Cancún:

    • Earliest: departs at 8:17 am and lands at 12:04 pm
    • Latest: departs at 1:01 pm and lands at 4:48 pm.

    The flight takes about 3h 47m.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Cancún flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 15% above the route average of $580. Book 24 weeks before departure for the lowest fares.

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Cancún takes 3h 47m, covering 1,357 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Cancún?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Cancún looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Cancún are currently lower than usual. Average one-way flight prices are about $182, which is 31% below the typical average for this route.

  • How does United Airlines’s on-time performance compare to other airlines on Washington, D.C. Dulles Intl Airport to Cancún flights?

    United Airlines is the only airline operating Washington, D.C. Dulles Intl Airport to Cancún flights. 89% of its flights are on time.

  • How do delay rates compare for morning and evening flights from Washington, D.C. Dulles Intl Airport to Cancún?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Cancún?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 6h 22m, compared with 7h 14m via Atlanta Hartsfield-Jackson (ATL) and 8h 04m via Minneapolis St Paul (MSP).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Cancún?

    Cancún is 1 hour behind Washington, D.C. Dulles Intl Airport (Eastern Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Cancun Airport (CUN)?

    Cancun Airport (CUN) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    · MEXRENTACAR
    · Hertz
    · America Car Rental
    · Budget
    · Europcar

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Cancún flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Cancún range from $460 to $716, with an average of $580 over the past 12 months. Anything below $460 counts as a good deal.

  • Which airlines offer Wi-Fi on Washington, D.C. Dulles Intl Airport to Cancún flights?

    JetBlue is the only airline on the Washington, D.C. Dulles Intl Airport to Cancún route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Washington, D.C. Dulles Intl Airport to Cancún flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average $521 - about $112 less than Thursday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Cancún trip for September. Fares historically average $486 round-trip in that month - typically $188 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Minneapolis St Paul Airport (MSP) can be cheaper than flying direct. The cheapest layover option averages $338 round-trip on this route - about $251 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Cancun Airport.
    - Hilton Garden Inn Cancun Airport
    - Courtyard by Marriott Cancun Airport
    - City Express by Marriott Cancun Aeropuerto
  • On average, about 3591 lbs. of carbon is emitted per passenger on flights from Washington Dulles Airport (IAD) to Cancun. For a more sustainable trip book a flight with United Airlines, it offers nonstop flights that emit 48% less carbon than the average amount for this route.
  • The Cancun International Airport (CUN) has four terminals 1, 2, 3, and 4. There is a free shuttle service between terminals that runs every 30 minutes to transfer those passengers that must go from one terminal to another and other parts of the airport.
  • You can enjoy the VIP Lounges at CUN which provide unlimited Internet, TVs, open bars, and massage chairs. In addition to shops, CUN also offers its passengers a great range of services including banks and ATMs, convenience stores, beauty parlors, a video arcade, information booths, and a business center that caters to corporate travelers.
  • Washington Dulles International Airport (IAD) has a play area near gate B70 that is equipped with slides and other games to keep your children entertained. There are comfortable nursing rooms available throughout the airport ideal for mothers traveling with children, that are packed with amenities, located at pre-security and post-security near gates A20, B70, C11, and D1.
  • IAD has a variety of dining options for travelers looking to grab a bite before their flight. There is an array of bistros, cafes, grills, and pizzerias located post-security on concourses A, B, C, and D that serve snacks, meals, drinks, and beverages.

Prefer to fly direct from Washington Dulles Airport to Cancun?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Cancun Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Cancun

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Cancun to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Dulles Intl to Cancún

Complete your trip to Cancún with a hotel stay or car rental