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Tulum

$138+ Cheap flights from Dulles Intl (IAD) to Tulum, Mexico

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Tulum are usually found in September or February, booked 43 days in advance, depart on a Sunday or Monday and return on a Saturday

Find flight deals from Dulles Intl to Tulum

Cheapest flights from Dulles Intl to Tulum
Explore the most affordable flight options available from Dulles Intl to Tulum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Aeromexico deal was found by Cheapflights users on 10/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:56 pmIAD - CUN
1 stop9h 37mAeromexico
Sat 11/86:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 10/27$302
This Aeromexico deal was found by Cheapflights users on 10/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amIAD - CUN
2 stops18h 23mAeromexico
Sat 11/156:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 10/29$306
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/135:45 amIAD - CUN
1 stop7h 53mMultiple Airlines
Sat 12/2010:12 amCUN - IAD
1 stop11h 18mMultiple Airlines
Deal found 10/29$313
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 11/158:36 pmIAD - CUN
1 stop12h 37mMultiple Airlines
Sat 11/229:12 pmCUN - IAD
1 stop12h 50mMultiple Airlines
Deal found 10/30$318
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/13:33 pmIAD - CUN
1 stop5h 47mDelta
Sat 11/812:05 pmCUN - IAD
2 stops11h 15mDelta
Deal found 10/28$321
This Aeromexico deal was found by Cheapflights users on 10/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amIAD - CUN
1 stop15h 20mAeromexico
Fri 11/79:54 pmCUN - IAD
1 stop16h 08mAeromexico
Deal found 10/27$328
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 12/316:05 amIAD - CUN
1 stop7h 35mMultiple Airlines
Wed 1/73:40 pmCUN - IAD
2 stops22h 58mMultiple Airlines
Deal found 10/28$329
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/305:37 pmIAD - CUN
2 stops19h 54mMultiple Airlines
Thu 1/810:15 amCUN - IAD
1 stop28h 23mMultiple Airlines
Deal found 10/30$330
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:01 pmIAD - CUN
1 stop17h 35mAeromexico
Wed 11/126:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 10/29$332

Cheap flight deals from Dulles Intl to Tulum

Keep the following information in mind while searching for Dulles Intl to Tulum flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(Kiwi.com)

One-way from

$138
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$567
Provider with most accurate pricing for Washington, D.C. (WAS)-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Cancun flights.
Search Deals
From Washington, D.C. Dulles Intl to Tulum
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Tulum
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Tulum 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tulum that are best for you.

Fly from

Dulles Intl

Fly to

Tulum

Route

Depart

Return

Price

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 11/9

6:03 am-6:47 pm

2 stops12h 44m

Cancun

Thu 11/13

6:00 am-2:02 pm

1 stop8h 02m

$416

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 11/12

12:46 pm-4:40 pm

Nonstop3h 54m

Cancun

Sat 11/15

2:44 pm-11:44 pm

1 stop9h 00m

$422

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 12/3

12:46 pm-4:40 pm

Nonstop3h 54m

Cancun

Thu 12/11

12:35 pm-3:55 pm

Nonstop3h 20m

$472

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 11/18

8:29 am-12:20 pm

Nonstop3h 51m

Cancun

Tue 11/25

12:35 pm-3:55 pm

Nonstop3h 20m

$472

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 1/26

8:20 am-3:35 pm

1 stop7h 15m

Cancun

Thu 1/29

12:35 pm-3:55 pm

Nonstop3h 20m

$476

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 11/3

7:05 am-3:17 pm

1 stop8h 12m

Cancun

Mon 11/10

11:17 am-11:03 pm

2 stops11h 46m

$480

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 11/11

12:46 pm-4:40 pm

Nonstop3h 54m

Cancun

Fri 11/14

5:09 pm-8:29 pm

Nonstop3h 20m

$487

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 1/9

8:29 am-12:20 pm

Nonstop3h 51m

Cancun

Tue 1/13

5:09 pm-8:29 pm

Nonstop3h 20m

$497

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 12/2

12:30 pm-9:20 pm

1 stop8h 50m

Cancun

Sat 12/6

6:00 am-2:02 pm

1 stop8h 02m

$501

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 12/16

6:00 am-12:25 pm

1 stop6h 25m

Cancun

Sun 12/21

5:09 pm-8:29 pm

Nonstop3h 20m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 24 results
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Best time to book a flight from Dulles Intl to Tulum

Have a flexible travel schedule? Discover the best time to fly to Tulum from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Tulum

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Tulum. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Tulum, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tulum (average of $210). Flying from Washington, D.C. Dulles Intl Airport to Tulum in June is currently the most expensive (average of $450). 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 TU9?

Find hourly flight availability from Dulles Intl to Tulum. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Tulum in the morning. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Tulum. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Tulum flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Tulum

Get insights into the airlines that provide service to Tulum. 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 Tulum. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Aeromexico from Washington, D.C. Dulles Intl Airport to Tulum. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aeromexico
7.4
Good
1,674 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,123 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Tulum. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Tulum can take about 3h 54m. Delta provides one of the quickest options available for as low as $422. The distance from Washington, D.C. Dulles Intl Airport to Tulum is about 1357 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $198. United Airlines flights start at $199 while deals on Delta start at $219 one-way.

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Tulum is $164. On average you can expect to pay $684. The most popular route, (Washington, D.C. Dulles Intl - Cancun), can usually be booked for $310.

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

    Yes. In addition to deals on Dulles Intl to Tulum flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Tulum?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Tulum.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Tulum 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 Tulum?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tulum (average of $210). Flying from Washington, D.C. Dulles Intl Airport to Tulum in June is currently the most expensive (average of $450). 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.

See more FAQs

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Top 7 airlines flying from Dulles Intl to Tulum

Discover the top 7 airlines that operate flights from Dulles Intl to Tulum. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$131Average$440FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$271Average$549FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$284Average$478FlexibilityNo cancel feeOn-timeN/A
Volaris El SalvadorCheapest$286Average$351FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$314Average$575FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$318Average$386FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$364Average$627FlexibilityNo cancel feeOn-time69%

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