£102 Cheap Flights from Washington (IAD) to Cancun (CUN)

View £102 flight on Sat, 13 Sep 2025Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Cancun Intl. Airport (CUN)

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Cheap Flights from Washington (IAD) to Cancun (CUN)

Prices were available within the past 7 days and start at £102 for one-way flights and £223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Sat, 13 Sep - Sat, 27 Sep
IAD
Washington
CUN
Cancun
£223 Return, found 2 hours ago
£223
Return
found 2 hours ago
Select Aeromexico flight, departing Sat, 13 Sep from Washington to Cancun, returning Sat, 27 Sep, priced at £223 found 2 hours ago
Delta
Sat, 20 Sep - Sat, 4 Oct
IAD
Washington
CUN
Cancun
£223 Return, found 2 hours ago
£223
Return
found 2 hours ago
Select Delta flight, departing Sat, 20 Sep from Washington to Cancun, returning Sat, 4 Oct, priced at £223 found 2 hours ago
Aeromexico
Sat, 13 Sep - Sat, 20 Sep
IAD
Washington
CUN
Cancun
£227 Return, found 2 hours ago
£227
Return
found 2 hours ago
Select Aeromexico flight, departing Sat, 13 Sep from Washington to Cancun, returning Sat, 20 Sep, priced at £227 found 2 hours ago
Aeromexico
Sat, 27 Sep - Tue, 14 Oct
IAD
Washington
CUN
Cancun
£231 Return, found 2 hours ago
£231
Return
found 2 hours ago
Select Aeromexico flight, departing Sat, 27 Sep from Washington to Cancun, returning Tue, 14 Oct, priced at £231 found 2 hours ago
Aeromexico
Sat, 6 Sep - Sat, 13 Sep
IAD
Washington
CUN
Cancun
£235 Return, found 2 hours ago
£235
Return
found 2 hours ago
Select Aeromexico flight, departing Sat, 6 Sep from Washington to Cancun, returning Sat, 13 Sep, priced at £235 found 2 hours ago
American Airlines
Fri, 12 Sep - Sat, 20 Sep
IAD
Washington
CUN
Cancun
£242 Return, found 2 hours ago
£242
Return
found 2 hours ago
Select American Airlines flight, departing Fri, 12 Sep from Washington to Cancun, returning Sat, 20 Sep, priced at £242 found 2 hours ago
Delta
Mon, 1 Sep - Sat, 6 Sep
IAD
Washington
CUN
Cancun
£246 Return, found 2 hours ago
£246
Return
found 2 hours ago
Select Delta flight, departing Mon, 1 Sep from Washington to Cancun, returning Sat, 6 Sep, priced at £246 found 2 hours ago
Aeromexico
Mon, 1 Sep - Sat, 13 Sep
IAD
Washington
CUN
Cancun
£250 Return, found 2 hours ago
£250
Return
found 2 hours ago
Select Aeromexico flight, departing Mon, 1 Sep from Washington to Cancun, returning Sat, 13 Sep, priced at £250 found 2 hours ago
Air Canada
Mon, 8 Sep - Mon, 15 Sep
IAD
Washington
CUN
Cancun
£267 Return, found 4 days ago
£267
Return
found 4 days ago
Select Air Canada flight, departing Mon, 8 Sep from Washington to Cancun, returning Mon, 15 Sep, priced at £267 found 4 days ago
United
Mon, 11 Aug - Wed, 27 Aug
IAD
Washington
CUN
Cancun
£279 Return, found 2 hours ago
£279
Return
found 2 hours ago
Select United flight, departing Mon, 11 Aug from Washington to Cancun, returning Wed, 27 Aug, priced at £279 found 2 hours ago

Find the cheapest month to fly from Washington (IAD) to Cancun (CUN)

September is typically the cheapest month to fly

From £194 - £303 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Cancun route information
Origin airport
Washington Dulles Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Copa, Delta, United, WestJet, avianca
Return price
£222
Distance
2172 km
Average flight time
2 hours 38 mins

Compare flights from Washington to Cancun easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Cancun. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cancun Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Cancun Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Cancun Intl. (CUN)

The easiest way to view the best deals on flights from Washington to Cancun today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Cancun Intl. start at just £223 and range up to £279.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Cancun
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Cancun flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Cancun Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from IAD to Cancun Airport?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Dulles Intl. Airport to CUN start from £223. Make your booking ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to Cancun Airport?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee differs between airlines. If you do need to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Cancun Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to Cancun Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to CUN?
The flight distance from Dulles Intl. Airport to CUN is 2,200 kilometres. Pack yourself a snack, a drink and a good movie. Keep yourself busy in the air and the time will fly by.
Which airlines fly direct from IAD to Cancun Intl. Airport (CUN)?
Check out the fares with United Airlines (UA) if you want to travel straight from IAD to Cancun Intl. Airport (CUN). This popular airline operates 60 flights monthly, so you're sure to find one that fits your schedule.
Are IAD to Cancun Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from IAD to Cancun Airport can be hit-or-miss. You may be able to find a bargain, but you could also miss out entirely! If you'd rather play it safe and start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as updates are made frequently.

Explore a world of travel with Expedia

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*Available to Expedia members.