IAD - MEX

$149 Find Cheap Flights from Washington Dulles Airport to Mexico City

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Mexico City departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Mexico City

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Mexico City.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Mexico City.
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Flights Deals

Cheap Flights from Dulles Intl to Mexico City

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Mexico City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Dulles Intl to Mexico City

KAYAK's recommended round-trip deals from the most popular airlines that fly from Dulles Intl to Mexico City.
Discover the best prices for you by selecting your travel dates on KAYAK.
Avianca Logo
5:45 am - 11:00 pmIAD-MEX
19h 15m2 stops
Avianca Logo
12:40 am - 6:05 pmMEX-IAD
15h 25m2 stops
$207Avianca
Find Deal
Tue, Jul 15 - Mon, Jul 21
Avianca Logo
5:45 am - 11:00 pmIAD-MEX
19h 15m2 stops
Avianca Logo
12:40 am - 6:05 pmMEX-IAD
15h 25m2 stops
$218Avianca
Find Deal
Thu, Aug 7 - Wed, Aug 27
Avianca Logo
5:45 am - 11:00 pmIAD-MEX
19h 15m2 stops
Avianca Logo
12:40 am - 6:05 pmMEX-IAD
15h 25m2 stops
$227Avianca
Find Deal
Tue, Jul 8 - Mon, Aug 18
Delta Logo
5:21 pm - 8:05 pmIAD-MEX
4h 44mnonstop
Delta Logo
8:50 am - 3:31 pmMEX-IAD
4h 41mnonstop
$461Delta
Find Deal
Tue, Jul 1 - Thu, Jul 10
Aeromexico Logo
12:45 pm - 8:45 pmIAD-MEX
10h 00m1 stop
Aeromexico Logo
8:40 am - 3:21 pmMEX-IAD
4h 41mnonstop
$462Aeromexico
Find Deal
Tue, Jul 8 - Tue, Aug 19
Air Canada Logo
9:45 am - 10:55 pmIAD-MEX
15h 10m1 stop
Air Canada Logo
7:10 am - 9:08 pmMEX-IAD
11h 58m1 stop
$464Air Canada
Find Deal
Wed, May 21 - Fri, May 23
Delta Logo
6:00 am - 11:30 amIAD-MEX
7h 30m1 stop
Delta Logo
8:50 am - 3:31 pmMEX-IAD
4h 41mnonstop
$466Delta
Find Deal
Tue, Jul 1 - Thu, Jul 10
Air Canada Logo
9:45 am - 10:55 pmIAD-MEX
15h 10m1 stop
Air Canada Logo
7:10 am - 11:14 amMEX-IAD
26h 04m1 stop
$487Air Canada
Find Deal
Fri, May 16 - Sun, May 18
United Airlines Logo
6:22 am - 12:45 pmIAD-MEX
8h 23m1 stop
United Airlines Logo
8:45 am - 3:09 pmMEX-IAD
4h 24mnonstop
$496United Airlines
Find Deal
Tue, May 20 - Mon, Jun 9
Aeromexico Logo
5:19 pm - 8:05 pmIAD-MEX
4h 46mnonstop
Aeromexico Logo
8:50 am - 3:31 pmMEX-IAD
4h 41mnonstop
$501Aeromexico
Find Deal
Sat, Jun 28 - Sun, Jul 13
Expert advice

Expert advice for your flight from Dulles Intl to Mexico City

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Aeromexico

Clase Premier features lie-flat beds on the 787-9, ideal for comfort and privacy.


AM Plus offers priority boarding and extra legroom, enhancing the economy experience.

Delta

Delta One offers lie-flat seats with privacy on select aircraft, enhancing comfort on longer flights.


Sky Priority offers priority check-in for premium cabin passengers, saving time at the airport.

Read more about Deltaby Stefanie Waldek
United Airlines

United Polaris provides lie-flat seats with aisle access, perfect for long-haul comfort.


Priority Boarding in Zone 2 helps avoid gate-checking your carry-on.

Airports
IAD

Arrive early at IAD as security lines can be long. Consider using the AeroTrain for quick access to gates.

Read more about IADby Stefanie Waldek
MEX

Expect immigration lines at MEX to take 10-40 minutes. Baggage claim is past immigration, and porters are available for assistance.

Read more about MEXby Marisa Garcia
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Aeromexico and MEX

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Delta, United Airlines and IAD

Stefanie Waldek

Stefanie Waldek

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.

Read more
Useful Info

KAYAK's insights & trends for Dulles Intl to Mexico City flights

Get data-powered insights and trends into flights from Dulles Intl to Mexico City to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Mexico City?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Mexico City clicked on KAYAK for each day over the last 12 months.

For Washington Dulles Airport to Mexico City, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Mexico City back to Washington Dulles Airport, the best deals are generally found on Tuesday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Mexico City, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Mexico City is September, where tickets cost $531 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $737 and $627 respectively.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Mexico City?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $406 on average.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Mexico City?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Mexico City, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Mexico City, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$149
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Washington Dulles Airport to Mexico City

When to book flights from Dulles Intl to Mexico City

Are your dates flexible? Find out the best times to travel from Dulles Intl to Mexico City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Mexico City flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Mexico City?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Mexico City was $149 for a one-way ticket and $207 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Mexico City?

    Yes

  • Which airports will I be using when flying from Washington Dulles Airport to Mexico City?

    When flying out of Washington Dulles Airport you will be using Washington, D.C. Dulles Intl. You will be landing at Mexico City, also known as Mexico City Benito Juarez.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Mexico City?

    American Airlines, and Aeromexico offer inflight Wi-Fi service on the Washington Dulles Airport to Mexico City flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Mexico City?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Washington Dulles Airport to Mexico City flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Mexico City?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Mexico City, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Washington Dulles Airport to Mexico City?

    There are nonstop flights from Washington Dulles Airport to Mexico City on a daily basis.

  • Which is the best airline for flights from Washington, D.C. to Mexico City, Delta or Aeromexico?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Mexico City are Delta and Aeromexico. With an average price for the route of $575 and an overall rating of 8.0, Delta is the most popular choice. Aeromexico is also a great choice for the route, with an average price of $565 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Mexico City?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Mexico City.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Mexico City?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Mexico City from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Mexico City?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Mexico City with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and MEX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Mexico City?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Mexico City from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Mexico City

  • Looking for a cheap flight? 25% of our users found flights on this route for $269 or less one-way and $513 or less round-trip.

Prefer to fly direct from Washington Dulles Airport to Mexico City?

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

Direct departures

Washington, D.C. Dulles Intl to Mexico City Benito Juarez

Monday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Tuesday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Wednesday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Thursday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Friday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Saturday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Sunday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

See more direct flights

Direct returns

Mexico City Benito Juarez to Washington, D.C. Dulles Intl

Monday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Tuesday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Wednesday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Thursday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Friday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Saturday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

Sunday

Aeromexico, Delta, United Airlines

Aeromexico, Delta, +1 more

See more direct flights
See more direct flights

Top 5 airlines serving from Dulles Intl to Mexico City

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Mexico City. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Mexico City? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7934 reviews
7.9Entertainment
7.3Food
8.5Crew
7.9Comfort
8.2Boarding
Airline reviews

Our bag was lost so that made unnecessary chaos On our trip

6.0 GoodBarbara, Apr 2025JFK - FCO
Read more Delta reviews

Our bag was lost so that made unnecessary chaos On our trip

Delta is my preferred airline. I've traveled with them for years. On time in most cases, good communication, easy to use app. Most planes are pretty nice. I was on a CRJ 700/900 however, which was pretty badly aged inside and needed a refresh. No infotainment, unreliable wifi, best to download before boarding or bring a book. Food choices are really just snacks on this flight, nice variety but about what you'd expect. Great staff and prompt in departure and early arrival too. Overall quite satisfied.

Crew was friendly Love the entertainment in the seat head rest.

Delta flight was on time, seats were comfortable, and crew was nice.

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Delayed take-off. Very small plane so very scary with lots of bumps during the flight. Would never fly Delta on short flights in small 80 seaters plane again! Felt relieved when landed.

The worst part was I was NOT allowed in the lounge even though I was holding a first class ticket and have a premium American Express card. I have flown Business or First Class with many airlines. Delta is the ONLY one who does not extend this courtesy to anyone except people who hold the very expensive American Express card. As a result, I won’t fly Delta if I have any other choice.

It was an overnight flight and I desperately needed coffee before we landed, but Delta does only one beverage service, and that is shortly after takeoff, not before landing at 5 am.

A little bumpy ride . No food was being provided due the the turbulence. That was ok it was a short flight to my standards.

Simply outstanding. Their new lounge for Delta One customers is a cut above the rest.

Lousy No wheelchair. As normal at Atlanta Cheap airline Cheap aero plane. - Neither entertainment nor food on a 5 hour saga

The airplane was an old airplane, seats were very uncomfortable and very little space, they changed my seat and that was no option to get back into my seat even when I was traveling a senior who required assistance.

This is not a low cost airline. Stop acting like o e.

Aeromexico crew made me check my hand luggage in the door of the plane. As soon as I reach Mexico City, I notice that my luggage was opened and 8 games of Nintendo Switch were stolen (700 dllrs value aprox) (the console was there) but the games were stolen. I am very dissapointed of Aeromexico and all the crew. Instead of being a good trip, It was a sad trip

Ok. But we arrived to a remote terminal which meant that a bus had to take us to the terminal building

Old aircraft the audio of the entertainment dosent work Dirty seats

The plane was so outdated, that it made it uncomfortable. The temperature was hot during the whole flight

Happy attentive flight crew. All in all good flight the night flight works well. Getting into Mexico City early so you don't get caught up it all the immigration and custom ques, additionally, this helps when exiting the airport and crossing the city to your final destination. All works very well and would do it again

Some entertainment and food/snack service would have been nice

All the pessengers should be wait in a line útil the creo and piloto are arrived.

I didn’t get on plane. Passport being processed by consulate with visa application. Tried to cancel through underpricer after purchasing cacelling for any reason. No dice, they are thieves.

When I booked it on Kayak it aaid that I wasn't allowed hamd luggage. I called United Airlines and it took them 6 minutes to figure out if I was allowed free hand luggage. Surely something that simple they should be able to tell me instantly.

They switched out gate from terminal 1 to terminal two ten minutes before boarding. So we had to make a 20 min crazy fast walk to a different terminal. Then we boarded the plane and waited for over 40 minutes until push back. Brutal

We were delayed in Toronto on the tarmac for THREE hours with no clear indication as to why except that it was not a safety hazard. Pilot did apologize more than once but even he was unable to explain why exactly we were delayed. I overheard the stewards saying that the captain was very frustrated with the situation as well because he was not able to explain why except it had something to do with water supply or system on the aircraft and now we needed to wait for an engineer to approve the aircraft for flight. It was very frustrating and distressing as a passenger and we should have been given complimentary meals at the very least.

Flight was cramped with every seat taken. The food was fine, nothing crazy to write home about. The plane felt dated and needing some TLC, the button for the window shade didn't work and there were no AC outlets to use. When communicating with staff all except one nice lady never seemed happy to help me almost like I was bothering them when asked for things like a glass of water or a snack. The flight was overall fine. It did what was needed which is get me from point A to point B. But it certainly was not special. I don't expect much in economy but I believe economy on a host of other airlines is more memorable and better experience.

The flight was heavily booked so boarding was a lengthy process. The FA’s were rather abrupt during this process but became more gracious as the flight went on. Breakfast (puffed pastry and chewy sausage) was pretty horrible but there was fruit and yogurt which they didn’t mess up. Overall it was fine.

Liked nothing. As per previous segment it was delay delay delay.

I completely missed my flight because the first leg was longer than planned. I had to sleep overnight in the airport because no accommodation was provided and then sent to Trinidad in the morning with an anticipated 7 hour layover before my flight to Georgetown which was now with Caribbean Airlines. I tried twice with customer service to see if they could put me on an earlier flight which had seats available but was told it wasn’t possible.

Old and out of date plane, it seem like every time I fly with united there’s and issue. We were delayed,

We took off an hour late due to arrival airport not having enough gates. That was followed by 1:30 wait to get our bags delivered for the entire flight.

All was good except for the seats, not very comfy.

2.5 hour delay sitting in the plane on the tarmac, you tell me how the experience was

I hope these comments will find their way to AC customer experience team. Me and my spouse 50 years of aged coming back from 7 days perfect vacation... While boarding in FLL flight AC1621, one of the boarding agents (tall aged african american) man literelly yeld at my wife during the picture talking process. MAM ! STEP !! BACK !!! We are not illegal immegrants beying deported, nor are we in the millitary. We are customers returning home. This was unacceptable. While boarding in YYZ flight AC1154, one of the boarding agents (tall aged caucasian) man criticied with several complesant remarks my passport condition saying that I could not travel intl with it due to stain, decoloration, and BLOOD. My passport does not have blood on it! Yes it might be in less than perfect condition, but their are ways to talk to customer that does not imply not allow a boarding agent to be angry fathery like, or a custom agent looking at a suspicious individual. Both experience were less than acceptable for might I remind you a paying CUSTOMER returning home.

Short flight so no food or entertainment. Good landing at SFO and on time. We were told no carryon luggage yet lots of people were puting bags in overhead compartments. The rules need to be made more clear. I was on the first leg of an international flight and this is the first time I could not have carryon luggage.

This flight didn't happen for me because of overbooking.

My flight was overbooked and they would not let me board. I had to book another flight and pay the full amount of that flight. I did not get any help at all from Air Canada or United Airlines.

Comfortable seats and movies entertainment available. Better experience than the flight from Toronto to Denver.

Air Canada business class used to be among the best among North American airlines, however it has gone downhill since the last time I flew with them. They didn't even offer any drinks prior to takeoff despite having over 30 minutes on the ground for boarding and de-icing. Once we got in the air the service was fine, however the food was lukewarm at best and just okay. The warm bread and spring mix salad was very good at least. My main complaint is they were letting economy guests use our washroom. Presumably because the Max 8 only has one in the rear. However as I was sitting in row 1 I constantly had passengers waiting in line for the toilet.

Breakfast sandwich option sold out by row 30 One flight attendant not very amicable (spoke to a few people about her)

The flight was delayed at the last moment quoting an absurd weather reason. This delay led to an issue with my connecting flight. I was made to run (literary) from this flight to the next one ( as they preponed departure. I was still in my DCA to YYZ flight when the boarding started for the next connecting flight. After my sprint to get the connecting flight, found that no place for my carry on. Had to sit for 3 hours with my back-pack on my lap , it was the most uncomfortable and inconvenient journey with little to no empathy shown by cabin crew in both flights. Another poor show from Air Canada!! Cant help because of lack of options !!

I receive a service for what I pay, so it is fair.

The seats were very uncomfortable. I would have upgrade or got different flight if I knew. I usually sleep in the plane but I couldn’t sleep at all. Very uncomfortable. Also no food or drink everything was to purchase, and that’s u usual for international flight.

There isn't much space in-between seats and even water needs to be paid for during the flight.

We did not know about the bag fees until check in. They are way too high. It’s insane. We also had a huge delay and everything costed extra which was very annoying.

Lounge for business was closed. Boarding was rush and stand by. Seat for business is just the middle seat blocked and some more leg room.

Flew with our two children. Paid $380 to check two bags (one was overweight). They then left the bags behind on Sunday, December 21st, with all our family’s clothes and family Christmas presents. When we arrived at our destination they told us the bags had not arrived, and they thought (but didn’t know) they were still in Boston, but that there’d be a flight the next day and the bags would arrive the next day. The next day we found out there was no flight, now we’re hoping we get our bags before we fly back out. Meanwhile, trying to get any engagement or accurate information is a waste of time. The folks at the call center are just gatekeepers, who can’t connect with any departments that actually do things to solve a problem. Getting information is made deliberately difficult. My biggest regret is that I’ve had a number of awful experiences with Avianca traveling between the US and Colombia, and still let myself get suckered into buying these tickets because the schedule was great. Never again.

We were not aware carry-on bags cost extra until we arrived at the airport so, we were charged $240.00 for two small carry- on bags! There was a substantial fee for drinks and snacks. No wifi, or other entertainment was available. Waiting areas were crowded and uncomfortable.

please see previous response; it covers the whole travel trajectory.

I enjoyed it! In that case, I should have been offered this choice. On my first trip to Miami, I was asked to pay $320 for my luggage just for getting it totally broken. I cannot accept this situation at all!!!!

The connection time is too short to pass through customs and once you do clear customs the connecting flight is in another terminal that is not close.

Everything you need to know for your flight from Dulles Intl to Mexico City

Information on your arrival and departure airports

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