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$115 Find Cheap Flights to San Antonio - Compare and Save

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Everything you should know

Cheapest round-trip
$226
Typical prices: $296-$527
Frontier
Sat 10/20Tue 10/23
BWI - SAT • 1 stop
Cheapest non-stop
$269
Typical prices: $275-$530
Delta
Mon 12/10Thu 12/13
BOS - SAT • Non-stop
Nonstop flights
You can fly direct with Southwest, American Airlines and others. Average duration is 2h 22m.
FAQs
FAQs
Top airlines
Most flights • 297 per week
Best reviews • 8.0 score
Airline reviews
+1
Airline reviews
+1
Top routes
Cheapest • 30% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights to San Antonio

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

Recent round-trip flight deals to San Antonio

Tue, Oct 20 - Fri, Oct 23
Frontier Logo
7:05 pm - 9:08 amBWI  Baltimore/Washington-SAT San Antonio
15h 03m1 stop Orlando
Frontier Logo
10:03 am - 8:20 amSAT  San Antonio-BWI Baltimore/Washington
21h 17m1 stop Orlando
$226Frontier
Thu, Oct 1 - Wed, Oct 7
Frontier Logo
9:32 pm - 9:10 amBWI  Baltimore/Washington-SAT San Antonio
12h 38m1 stop Orlando
Frontier Logo
10:03 am - 8:20 amSAT  San Antonio-BWI Baltimore/Washington
21h 17m1 stop Orlando
$240Frontier
Thu, Dec 10 - Sun, Dec 13
Delta Logo
9:15 am - 1:17 pmBOS  Boston Logan Intl-SAT San Antonio
5h 02mnonstop
Delta Logo
2:12 pm - 7:23 pmSAT  San Antonio-BOS Boston Logan Intl
4h 11mnonstop
$269Delta
Thu, Oct 29 - Tue, Nov 3
Delta Logo
9:20 am - 12:52 pmBOS  Boston Logan Intl-SAT San Antonio
4h 32mnonstop
Delta Logo
1:50 pm - 7:14 pmSAT  San Antonio-BOS Boston Logan Intl
4h 24mnonstop
$269Delta
Thu, Jan 7 - Mon, Jan 11
American Airlines Logo
5:00 am - 2:50 pmSEA  Seattle/Tacoma Intl-SAT San Antonio
7h 50m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 9:31 amSAT  San Antonio-SEA Seattle/Tacoma Intl
6h 31m1 stop Dallas/Fort Worth
$277American Airlines
Mon, Jan 11 - Sat, Jan 16
American Airlines Logo
5:00 am - 2:50 pmSEA  Seattle/Tacoma Intl-SAT San Antonio
7h 50m1 stop Dallas/Fort Worth
American Airlines Logo
4:27 pm - 10:38 pmSAT  San Antonio-SEA Seattle/Tacoma Intl
8h 11m1 stop Dallas/Fort Worth
$277American Airlines
Sun, Nov 15 - Tue, Nov 17
United Airlines Logo
11:59 pm - 8:29 amSEA  Seattle/Tacoma Intl-SAT San Antonio
6h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
7:35 am - 1:25 pmSAT  San Antonio-SEA Seattle/Tacoma Intl
7h 50m1 stop Houston George Bush Intcntl
$277United Airlines
Thu, Nov 12 - Sun, Nov 15
Southwest Logo
3:45 pm - 11:25 pmSEA  Seattle/Tacoma Intl-SAT San Antonio
5h 40m1 stop Dallas Love Field
Southwest Logo
6:25 am - 10:40 amSAT  San Antonio-SEA Seattle/Tacoma Intl
6h 15m1 stop Denver Intl
$277Southwest
Wed, Dec 9 - Sun, Dec 13
Southwest Logo
9:25 am - 5:40 pmSEA  Seattle/Tacoma Intl-SAT San Antonio
6h 15m1 stop Denver Intl
Southwest Logo
8:00 pm - 12:40 amSAT  San Antonio-SEA Seattle/Tacoma Intl
6h 40m1 stop Phoenix Sky Harbor Intl
$277Southwest
Wed, Nov 4 - Sat, Nov 7
United Airlines Logo
11:59 pm - 8:29 amSEA  Seattle/Tacoma Intl-SAT San Antonio
6h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
8:56 am - 4:26 pmSAT  San Antonio-SEA Seattle/Tacoma Intl
9h 30m2 stops Denver Intl San Francisco
$282United Airlines
Booking Insights

Price, demand and travel trends for United States to San Antonio flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from the United States to San Antonio with more confidence.

What is the cheapest flight to San Antonio?

Baltimore to San Antonio is the cheapest route at $226 round-trip, found in the past 5 days on KAYAK. Boston to San Antonio is the most popular connection with round-trip deals from $269.

How much is a flight to San Antonio?

A round-trip flight to San Antonio costs $391 on average, based on data over the past 12 months on KAYAK. Round-trip fares from Las Vegas average $255, while Denver runs a bit higher at $255.

What is the cheapest day to fly to San Antonio?

Wednesday is the cheapest day to fly to San Antonio at $387 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $480.

What is the cheapest month to fly to San Antonio?

  • January is the cheapest month to fly to San Antonio with an average price of $351 round-trip.
  • June ($450) and July ($423) are the most expensive.
  • Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to San Antonio?

Afternoon flights to San Antonio are the cheapest at $392 round-trip on average. Morning flights are the most expensive at $412.

What is a good deal for flights to San Antonio?

Flights under $296 are considered a good deal. 25% of KAYAK users found round-trip flights to San Antonio at or below these prices, with the lowest fares from:

  • Las Vegas $159
  • Orlando $173
  • Denver $178
.

When are flights to San Antonio the cheapest?

Flights to San Antonio are cheapest 6 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight to San Antonio

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

Harriet Baskas

Expert on American Airlines and Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta, United Airlines and Frontier

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 SAT

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 flights to San Antonio

Low season

August

Cheapest flight

$115
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Boston to San Antonio

When to book flights to San Antonio

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

Your questions about flights to San Antonio, answered

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

  • What hotels offer complimentary shuttle service to and from San Antonio International Airport?

    Many hotels in San Antonio offer free transportation to and from the airport. Some of the popular options include Aloft San Antonio Airport, Pear Tree Inn San Antonio Airport, and Four Points By Sheraton San Antonio Airport.

  • Can one take photos or observe airplanes landing?

    Amateur photography is allowed at the top level of the Long-Term Parking Garage. Note that anyone choosing to observe or photograph can be subjected to questioning by police or security personnel for security reasons.

  • What shopping options are available at San Antonio International Airport?

    There are multiple duty-free shopping stores in San Antonio International Airport, along with a variety of souvenir shops. However, the best shopping in San Antonio can be found at one of the many malls that dot the city. The Shops at La Cantera, North Star Mall, and Shops at Rivercenter are just some of the numerous malls in San Antonio.

  • What is there to do while at San Antonio International Airport?

    If you have an hour or two to spare, why not check out the various art exhibitions on display in the airport? You could take a stroll through the airport while enjoying a bit of local culture. Additionally, Public Art San Antonio (PASA) manages the displays at the airport, and they make a particular point to showcase both national and local artists in the exhibitions.

  • Which airlines have a dominant presence at San Antonio Airport?

    Southwest and American Airlines are the most popular airlines flying into San Antonio airport. American Airlines uses both terminals A and B, while Southwest Airlines has no defined terminal at the airport. Passengers are advised to check with the respective airlines if the terminal changes.

  • Are airport transfer services available?

    Passengers can make bookings to manage airport transfers. Flight details will be provided to ensure the driver is well-informed in case of delays. Once the price is determined, there are no additional payments necessary. The driver will wait for the passenger for up to 45min post-flight arrival.

  • How do I get to the Alamo from San Antonio International Airport?

    The Alamo is one of the most famous historical sites in Texas and is a highlight of many trips to San Antonio. Undoubtedly, the easiest way to get to the Alamo from San Antonio International Airport is by rental or personal car, with the expected trip time taking around 20 minutes. Another option is Bus 5, which will take you straight from the airport to Alamo Plaza. The trip will take around 40 minutes, depending on traffic. Of course, ridesharing apps are also great options for travelers looking to navigate San Antonio.

  • What amenities are offered in terms of accessibility?

    The San Antonio International Airport offers free assistance to visually impaired passengers using the Aira app on their mobile phones. This service connects the visually impaired to well-trained agents located remotely, delivering access to visual information. TTY phones are also available at Terminal A’s gate concourse, counter lobby, and the Terminal B concourse walkway. These phones have heightened transmission capabilities for those with impaired hearing.

  • What is the difference between the most popular and the most frequent airline at San Antonio?

    Southwest operates the most flights from the United States to San Antonio at 297 per week, while American Airlines is the airline most often selected by KAYAK users searching for flights from the United States to San Antonio. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

  • How far is San Antonio from downtown San Antonio?

    San Antonio is 7.3 mi from downtown San Antonio.

  • How long are nonstop flights to San Antonio from different departure cities?

    Nonstop flight time to San Antonio varies depending on your departure city:
    • from Los Angeles: 2h 40m
    • from Miami: 3h 00m
    • from Orlando: 2h 50m
    • from Boston: 4h 25m
    • from Chicago: 2h 35m

  • How many flights serve San Antonio?

    San Antonio receives 110 flights per day and 773 per week from across the world. Dallas/Fort Worth Airport has the most flights to San Antonio, with 89 weekly flights.

  • How do I know if a flight to San Antonio is a good deal?

    A good deal on a flight to San Antonio is around $296 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • How expensive are last-minute flights to San Antonio?

    Last-minute fares to San Antonio – booked within 2 weeks of departure – run 29% above the average round-trip fare of $391.

  • Which airlines should I consider for flights to San Antonio?

Your guide to booking San Antonio flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For the best chance at a low fare to San Antonio, aim to book around 6 weeks before you fly. That window historically saves about 29% versus last-minute pricing based on KAYAK booking data over the last 12 months.
  • For flights to San Antonio, recent KAYAK data shows that stronger deals tend to land around $296 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
  • If you can choose when to go, time your trip to San Antonio around January. Round-trip fares historically average $351 that month – typically the cheapest month to travel based on the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat-selection costs on budget carriers.
    • Verify whether you need any travel documents beyond ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to noon to save up to $20 per round-trip. Noon flights to San Antonio average $392 compared to $412 for morning flights. See the time-of-day chart above for the full breakdown.
  • Bag allowances vary by airline, fare type, cabin class and route. On flights to San Antonio, some airlines may include bags at no extra cost. For example, Delta includes a cabin bag and a checked bag in Economy Class, United Airlines includes a cabin bag and a checked bag in Economy Class and Southwest includes a cabin bag and a checked bag in Economy Class. Always check the fare details before booking, since bag policies can change by ticket type.
  • Once you arrive in San Antonio, a few great places to start are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are popular with first-time visitors and can give you a good feel for the area.
  • The San Antonio International Airport has two lounges available for passengers. The United Services Organization (USO) lounge, used by members of the armed forces and their families, is located at Terminal B and offers games, complimentary snacks, free Wi-Fi, and a place to relax or read while passing the time. The United Airlines United Club is also located at the same terminal.
  • Planning on bringing a four-legged friend along with you on your flight to San Antonio? That’s not a problem, thanks to San Antonio International Airport’s pet relief areas. There are two pet relief areas in San Antonio International Airport, one in Terminal A by the hourly garage and one in Terminal B by the Baggage Claim area.
  • No trip to San Antonio is complete without Tex Mex. Fortunately for travelers with flights to San Antonio, they don’t even have to leave the airport premises to find good quality Tex Mex. Las Palapas has everything a Tex Mex aficionado would want and more. If Tex Mex isn’t your thing, check out Alamo City Microbrewery or Iceman Gervin’s Sports Bar -- both have great food and are sure to please.
  • In need of peace and quiet prior to your flight? If you are feeling some pre-flight jitters, why not visit the multifaith meditation room in Terminal B? There’s no better place in San Antonio International Airport to relax and center yourself.
  • One can find art exhibitions and rotating displays at the San Antonio airport. The exhibitions are permanent, while the rotating displays are temporary. The pieces shown are managed by Public Art San Antonio (PASA) to showcase local and national artists to a much wider audience.
  • Flights from New York to San Antonio can have one or two layovers. One such flight includes stops at Columbus and Dallas, Fortworth, while another has one stop at Atlanta. The former takes a bit longer but could be deemed a more affordable option for some. On the other hand, flights from Chicago, Minneapolis, and Denver are non-stop.
  • Austin-Bergstrom International Airport (AUS) is located just 67 miles from San Antonio, offering an alternate option for travelers looking for flights to San Antonio and its surrounding areas. Austin-Bergstrom International Airport is the third busiest airport in Texas, with connections all across the U.S.
  • There are many ways to get into San Antonio from the airport. For public transport, Bus 5 is your best option to get to downtown San Antonio. Private options include renting a vehicle, taking a shuttle bus, or hiring a vehicle from a ridesharing app such as Uber or Lyft.
  • Passengers are invited to make use of the amenities at the San Antonio airport for convenience. There are battery charging stations located throughout the terminals. There is also free Wi-Fi available and plenty of water refilling stations. The stations are near Gates A14, A3, A5, and near the check-in. Charging stations are available near baggage claim, the food court in Terminal B, and the waiting area for arrivals in Terminal A.
  • The San Antonio International Airport has airport ambassadors dressed uniquely for full visibility. They are well-trained and equipped to assist with various items. The ambassadors are ready and willing to assist if you need information on hotels, how to navigate the terminal building, and any information related to the airport.

Reviews of the top 5 airlines flying to San Antonio

 
Need help choosing which airline to fly with to San Antonio? 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
SouthwestOverall score based on 4195 reviews
8.0Comfort
7.5Entertainment
8.6Crew
7.0Food
8.1Boarding
Airline reviews

Delayed and once landed waited very long for the luggage

6.0 GoodIngeborg, Sep 2026
Read more Southwest reviews

Delayed and once landed waited very long for the luggage

Great job Southwest! My family doesn't fly often but we felt safe the whole time.

SW can't get their wifi right. I upgrade to insure wifi service but the last two trips had intermittent service. Not worth the extra costs.

One major problem that was very unprofessional and uncalled for. Plane landed and we had to wait 20 minutes to get off the plane since they were waiting for someone to come to the gate to drive the jetway. Southwest couldn't have someone available and waiting for the plane to land? Is there only one person in Hobby airport who knows to drive the jetway? Was he at lunch? In the bar? Uncomfortable and uncalled for!

Southwest is kind of a slum airline. It’s gotten more expensive over the years for less and less service. I am a Southwest Chase Visa card holder and was forced to choose a seat in the 26th row in the middle seat. However my wife who is a rewards member but doesn’t hold a card or anything else, gets randomly assigned a normally paid seat in row 6! How does that work?

The seat was not comfortable. 1D. My back was sore all night and the next day.

One of the best airlines for fast boarding, on time arrivals, and top notch service!

I elected to pay for the upgrades and found very little difference

Flight was hours late, unable to sit next to spouse, I have had so much better experiences. Substantially better, only saving grace was that it was a short flight.

It was good. I wish you had gluten free snacks for my husband.

Audio Visual Equipment lacking content and features. No connection ability for noise cancellation pods

Delta is getting worst by the minute. Where this was at one point my only go to airline, it has become like a budget airline

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Smaller plane for a longer flight than my first one. Doesn’t make sense.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

Delta flights recently are always delayed AND at jfk tney get the gates further away (need To walk 20’ to get to them/all the way at the end of the terminal). Not sure whats happening but price doesnt match experience!

Only freetext wifi was available in flight; browsing WiFi required payment. Since the seats had no in flight entertainment, Delta should revisit this policy on this longer flight.

Because I was moved to an exit row, the snacks in economy comfort, the selection of snacks was better.

Lounge in Lagos is terrible, food on board from Lagos to Atlanta was horrible. Only bright spot the cabin crew were awesome.

Our flight was delayed in Atlanta. The staff could have gave us an explanation for the delay and how long it would be.

Not a United thing, but late afternoon departures from Denver with thunderstorms is always prone to delays.

Flight was 2.5 late. Maybe not United’s fault but late none the less. We were late as well on the first leg. WiFi quit working with an hour left.

Very stressful to locate United Airline boarding area, delayed flight, changing boarding area again to another location with all tiredness 😩. But flying was fine.

Flight staff and all was fine. Food always sucks on planes so nothing new.

Wonderful flight! The crew was good, check-in was good and orderly and the flight was uneventful and good.

The international portion was good. Food and beverage options were good. The sustainable wooden eatery was less than desirable. Your Star Alliance partner ANA provided real silverware. I'm 6'3" & 198 lbs and felt cramped in the exit row. How can that be? Flight attendant all had a pleasant disposition which is always good.

Boarded from a very small gate at LAX. Staff at gate had us line up, then waited 25 minutes to board without a word of explanation. Plane arrived on time then waited 20 minutes for a plane to vacate our gate. Majority of bags arrived after 15 minutes but it took an hour for a small number of remaining bags to be off-loaded despite my “priority” bag tag.

No access to the Wi-Fi, noisy group of people made it difficult for me to hear through my earbuds. Snacks and drinks - limited service when your seat is at the back of the plane - people up front are always served first and the back gets whatever is left. Not pleased.

Didn't make it dir to delays - no support from United staff

My seat was broken. WiFi didn’t work. Gate crew at HOU were rude and condescending. Treated all the passengers badly. Bad experience, United.

Business Class layout was excellent. The seats were not nearly as comfortable as UA, Delta or Air New Zealand (the best). Nor were the controls as flexible. Food was okay but not great. Breakfast pancakes were like cardboard.

My flights were all delayed , mostly due to technical issues with AA aircrafts. I had to rebook my trip 4 times . I lost my whole day and finally arrived in LAX around midnight. This was a very bad experience with American airlines , I will always try to avoid flying with them

No ground air conditioner for the plane. Very hot and humid prior to take off which was an uncomfortable period of time.

My original flight kept getting postponed multiple times, I would have missed my international flight if I waited. It was postponed through the next day. I ended up having to drive 3 hours away to get my next flight.

One thing you can always count on is your AA flight getting delayed. This is not surprising when they operate these planes like a greyhound bus with wings.

Aa cancelled my flight where I was in first class seat 4B. They auto rebooked me on another flight, did not give me a seat assignment until at the gate. Where I got seat 29f, for a 4 hr flight. No accommodation at all for my first class ticket. Left 3 hrs late as well.

No AC, no beverage service and no explanation from the captain. 4 flight legs in 2 days with no internet service.

The gate experience at LAX was abysmal (same for the arrival experience two days prior). Despite the LAX -> SAT schedule of two flights daily, our departure gate was at a smaller hub that we had to be bussed to from Terminal 4. Fortunately, I arrived at LAX extra early and had time to spare, but if I had not known, I might have missed my flight. I looked at the LAX airport map in the AA app and there was no indication of the additional boarding process. Lastly the gate area we were bussed to was crowded with limited food and beverage options. On flight, the fight attendant was hospitable and attentive, the flight was smooth, and AA's free (and working) wifi for AA members were all on the positive side.

Got home at 3am after deboarding the plane. No compensation offered by American

Awkward carry on process. Forced to check all carry on. No overhead space of worthiness. Left delayed, but made up the time. Crew was amicable.

Terrible. Delayed my family flight for several hours affecting family plans

Flight was delayed and then my second leg was completely canceled. Had to get a refund

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

baggage clamed had to wait over a hour and half for all people on my flight it was terrible

My flight was canceled I was promised a reginf still not received.

The confirmation # CK8GNW and my name was not recognized/in Frontier system. I was able to check in on Frintier app so i went to the Frontier ticket agent, at time they told me that my name/ confirmation did not show up as a purchased ticket. I had to purchase a new ticket that cost $289.00 one way.

Worst airline experience. They were rude and kept changing our seats and/or giving our seats away so our family didn’t get to sit with each other. Almost everyone we dealt with at both airports with this airline was rude. The app kept giving us wrong information making things take longer. Dealing with them before TSA can take close to an hour…longer than I’ve ever had to deal with before. Never using this airline again.

It was a short flight so no food or entertainment….

First time experience and though you'll pay for *everything* meaning bags, water/snacks, even a question with a service agent - - all in all, not a bad experience whatsoever.

I like the easy check-in and boarding process. I love the non stop flight

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