Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The cheapest day to fly in December is Friday. Being flexible with your travel days garners even more savings during booking.
Question : In the next four weeks, what day should you book your trip?
Answer : As of Nov 20th, the cheapest day to fly from Dulles to San Antonio is Dec 1st. Tickets are currently being sold for $86, which is 78% below the average price for this route.
Question : Do some days of the week have more flight times than others?
Answer : When you’re flying from IAD to SAT, the day with the most flight times is Saturday, with five different options. Sunday currently offers the fewest number of flight times with only three options.
Question : If speed is all that matters, how can you get from IAD to SAT as quickly as possible?
Answer : The fastest direct flight is three hours and 51 minutes via United Airlines. If you catch the 5:05 PM EST departure, you'll arrive at 7:56 PM CST (remember, there is a one-hour time difference).
Question : What is the cheapest round-trip ticket you can get to San Antonio?
Answer : Frontier Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $86, while prices for other flights are as high as $2,911.
Question : What is the likelihood your flight will be delayed for this route?
Answer : The Dulles to San Antonio route has an 80% on-time rate, ranking in the 63rd percentile worldwide in getting their passengers to their destinations on schedule. When there is a delay, it averages about half an hour.
Question : What's the likelihood of you being delayed on this route?
Answer : Using the combined on-time percentage and average delay breakdown, Dulles to San Antonio currently has a 3 out of a possible 5 star rating. A 3-star rating means you should feel slightly worried about getting to San Antonio on time.
Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to San Antonio will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San Antonio.
Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to SAT flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SAT with hotels and car rentals to score even bigger savings.
All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.