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Tulum

$146+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUN
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May, booked 52 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap 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 May 11, 2026.

This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:20 am
IAD
-
CUN
1 stop9h 13m
American Airlines
Wed 7/110:31 am
CUN
-
IAD
1 stop8h 02m
American Airlines
Deal found 5/9$302
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:55 pm
IAD
-
CUN
1 stop9h 21m
Aeromexico
Tue 6/306:03 am
CUN
-
IAD
1 stop8h 17m
Aeromexico
Deal found 5/9$324
This Delta deal was found by Cheapflights users on 5/8. 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 6/610:43 am
IAD
-
CUN
1 stop10h 33m
Delta
Tue 6/166:07 am
CUN
-
IAD
1 stop8h 16m
Delta
Deal found 5/8$342
This Aeromexico deal was found by Cheapflights users on 5/10. 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.
Thu 6/114:55 pm
IAD
-
CUN
1 stop9h 21m
Aeromexico
Fri 6/266:03 am
CUN
-
IAD
1 stop8h 17m
Aeromexico
Deal found 5/10$343
This Aeromexico deal was found by Cheapflights users on 5/9. 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 6/204:55 pm
IAD
-
CUN
1 stop9h 21m
Aeromexico
Wed 7/16:03 am
CUN
-
IAD
1 stop8h 17m
Aeromexico
Deal found 5/9$344
This Aeromexico deal was found by Cheapflights users on 5/11. 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.
Thu 6/256:00 am
IAD
-
CUN
1 stop15h 25m
Aeromexico
Mon 6/297:35 pm
CUN
-
IAD
1 stop18h 45m
Aeromexico
Deal found 5/11$345
This Delta deal was found by Cheapflights users on 5/8. 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 6/66:00 am
IAD
-
CUN
2 stops13h 30m
Delta
Sat 6/136:02 am
CUN
-
IAD
1 stop8h 21m
Delta
Deal found 5/8$346
This Aeromexico deal was found by Cheapflights users on 5/10. 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.
Sun 6/144:55 pm
IAD
-
CUN
1 stop9h 21m
Aeromexico
Thu 6/255:27 pm
CUN
-
IAD
2 stops24h 05m
Aeromexico
Deal found 5/10$348
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 9/255:30 pm
IAD
-
CUN
2 stops20h 20m
Delta
Tue 9/296:03 am
CUN
-
IAD
1 stop8h 14m
Delta
Deal found 5/7$351
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:23 am
IAD
-
CUN
Nonstop3h 42m
United Airlines
Sat 7/412:50 pm
CUN
-
IAD
1 stop7h 29m
United Airlines
Deal found 5/7$352
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/318:05 am
IAD
-
CUN
1 stop13h 11m
Delta
Wed 6/38:00 am
CUN
-
IAD
1 stop7h 37m
Delta
Deal found 5/8$356
This Aeromexico deal was found by Cheapflights users on 5/10. 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.
Wed 6/244:55 pm
IAD
-
CUN
1 stop9h 21m
Aeromexico
Mon 6/297:35 pm
CUN
-
IAD
1 stop18h 45m
Aeromexico
Deal found 5/10$360

Find 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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(American Airlines)

One-way from

$146

Popular in

December

Cheapest in

September

Average price

$521
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. 3% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 11, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 6/1

1:09 pm-3:51 pm

Nonstop3h 42m

Cancun

Thu 6/4

4:18 pm-8:44 pm

Nonstop3h 26m

$342

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 9/19

4:00 pm-8:15 pm

1 stop5h 15m

Cancun

Sat 9/26

6:03 am-3:17 pm

1 stop8h 14m

$346

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 6/6

6:33 am-1:39 pm

1 stop8h 06m

Cancun

Mon 6/8

4:18 pm-8:44 pm

Nonstop3h 26m

$375

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 6/12

6:33 am-1:39 pm

1 stop8h 06m

Cancun

Tue 6/16

11:14 am-3:45 pm

Nonstop3h 31m

$386

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 8/15

6:30 am-12:02 pm

1 stop6h 32m

Cancun

Tue 8/18

1:57 pm-11:55 pm

1 stop8h 58m

$390

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 10/2

6:20 am-2:26 pm

1 stop9h 06m

Cancun

Mon 10/5

4:18 pm-8:36 pm

Nonstop3h 18m

$419

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 7/21

8:23 am-11:05 am

Nonstop3h 42m

Cancun

Sat 7/25

12:50 pm-9:19 pm

1 stop7h 29m

$419

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 5/25

6:00 am-4:31 pm

2 stops11h 31m

Cancun

Fri 5/29

6:03 am-3:14 pm

1 stop8h 11m

$426

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 9/5

1:00 pm-8:08 pm

1 stop8h 08m

Cancun

Tue 9/8

6:03 am-3:17 pm

1 stop8h 14m

$449

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 7/9

10:21 am-8:15 pm

1 stop10h 54m

Cancun

Mon 7/13

12:35 pm-11:13 pm

1 stop9h 38m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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 May 11, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Tulum as you normally would.

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

Explore weekly flight availability from Dulles Intl to Tulum. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 11, 2026.

The most flights from IAD to TU9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 May 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAeromexico 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
8,453 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
7.9
Good
8,453 reviews
Delta
7.9
Good
8,453 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
9,700 reviews
Delta
7.9
Good
8,453 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
1,514 reviews
Delta
7.9
Good
8,453 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
11,664 reviews
Delta
7.9
Good
8,453 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
2,951 reviews
Delta
7.9
Good
8,453 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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

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 42m. United Airlines provides one of the quickest options available for as low as $342. 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 Frontier, which is currently one of the cheapest options available, starting at $133. United Airlines flights start at $141 while deals on Air Canada start at $165 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 $163. On average you can expect to pay $568. The most popular route, (Washington, D.C. Dulles Intl - Cancun), can usually be booked for $342.

  • 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.

See more FAQs

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Alternative routes for Dulles Intl to Tulum

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Cancún flights
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Dulles Intl to Cozumel flights
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Baltimore to Chetumal flights

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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$139Average$366FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$511FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$148Average$430FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$194Average$382FlexibilityNo cancel feeOn-time67%
FrontierCheapest$197Average$396FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$326Average$654FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$330Average$656FlexibilityNo cancel feeOn-time71%

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