Cheap flights from San Antonio (SAT) to Portsmouth, England
Find cheap flights from San Antonio to Portsmouth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from San Antonio to Portsmouth
Keep the following information in mind while searching for San Antonio to Portsmouth flight deals. Data was last updated December 14, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Popular in | January |
Cheapest in | September |
Average price | $1,064 |
Cheapflights Insights
Everything you need to know about your flight from San Antonio to Portsmouth
What is the cheapest month to book a flight from San Antonio to Portsmouth?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Portsmouth (average of $131). Flying from San Antonio to Portsmouth in June is currently the most expensive (average of $835). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAT to P0R?
One of the essential ways to save on airfare from San Antonio to Portsmouth is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.
What is the cheapest day to fly from San Antonio to Portsmouth?
Travelers seeking maximum savings on their San Antonio to Portsmouth flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Antonio to Portsmouth
Discover the top 6 airlines that operate flights from San Antonio to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$530 | Average$838 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$531 | Average$930 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$531 | Average$743 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$566 | Average$883 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$600 | Average$974 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$668 | Average$930 | FlexibilityNo cancel fee | On-time77% |