€101 Cheap Flights Washington to San Antonio (IAD-SAT)

View €101 flight on Wed, 17 Sep 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to San Antonio International Airport (SAT)

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Cheap flights from Washington to San Antonio (IAD-SAT)

Prices were available within the past 7 days and start at €101 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Washington (IAD) to San Antonio (SAT)

September is typically the cheapest month to fly

From €140 - €696 per traveller.

Graph displaying average flight prices per month

Washington to San Antonio route information
Origin airport
Washington Dulles Intl.
Destination airport
San Antonio Intl.
Distance
2178 km
Average flight time
2 hours 34 mins

Perfect flights from Washington to San Antonio

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to San Antonio. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to San Antonio Intl. ticket options cater to your travel preferences, with incredible one-way fares from €101 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at San Antonio Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in San Antonio.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to San Antonio Intl. Airport (SAT)?
Pack your bags, because round-trip flights between Washington Dulles Intl. Airport (IAD) and San Antonio Airport start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to San Antonio Intl. Airport (SAT)?
Each air carrier has a different set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from IAD to San Antonio Intl. Airport (SAT) 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 IAD to San Antonio Intl. Airport (SAT) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to San Antonio Intl. Airport (SAT)?
It's around 2,200 kilometres between Dulles Intl. Airport and San Antonio Intl. Airport (SAT), so you'll be strapped into your seat for a while. Keep yourself entertained with things like crossword puzzles or a thrilling novel.
Which airlines fly direct from IAD to San Antonio Airport?
Offering 60 flights each month, United Airlines (UA) is a great choice when flying directly from Washington Dulles Intl. Airport (IAD) to San Antonio Intl. Airport (SAT).
Are IAD to San Antonio Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Washington Dulles Intl. Airport (IAD) to San Antonio Intl. Airport (SAT) are available up to 12 months before departure on Expedia. And although you may score a fantastic last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so check back often for all the latest specials.

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