Flights from Washington Dc to San Diego

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From $183 · Prices update daily

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The quick answer

Flights from Washington Dc to San Diego start around $183 round-trip. Airlines on this route include: Frontier Airlines, Alaska Airlines (direct flights available). Cheapest month: September; peak: December (about +141%). Domestic — no passport required (United States).

Price calendar — next 60 days

CheapAverageExpensive
Jul 15Jul 18Jul 28Sep 2Oct 19Dec 26

★ Cheapest: $183 on Tue, Jul 28 · F9

Lowest return fares · Prices update daily · Final price confirmed at booking

Price calendar — Washington Dc to San Diego

Month-by-month lowest fares. Green = cheapest dates.

United States essentials

🇺🇸 Domestic — no passport required

Domestic flight — no passport required for US citizens. Bring REAL ID for security.

Full San Diego visa guide →

🆘 Emergency

911

💱 Currency

US Dollar ($)

🕐 Time zone

UTC−5 to −10

🗣️ Language

English

🔌 Plugs

Type A/B · 120V

🚗 Driving

Right side

💡 Tipping

Expected — 15–20% at restaurants

📞 Dial code

+1

Entry rules can change — always confirm with official sources before booking.

Stay connected in San Diego

Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.

Travel insurance

Protect your Washington Dc to San Diego trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.

Airport transfer in San Diego

Pre-book your ride into San Diego. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.

Flight delayed or cancelled?

If your Washington Dc to San Diego flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.

Planning a trip to San Diego?Hotels from $49/nt|Tours from $15

More resources

Washington Dc to San Diego — frequently asked

How much is a flight from Washington Dc to San Diego?+

Fares start around $183 round-trip, ranging up to about $737 in peak periods. Prices update daily across 800+ airlines.

What is the cheapest month to fly Washington Dc to San Diego?+

September typically has the lowest fares, while December is the most expensive (around +141%).

Are there direct flights from Washington Dc to San Diego?+

Yes — direct flights are available on this route. Connecting itineraries are often cheaper.

Which airlines fly from Washington Dc to San Diego?+

Carriers on this route include Frontier Airlines, Alaska Airlines. Compare them side by side in the search above.

Do US citizens need a visa for United States?+

Domestic — no passport required. Domestic flight — no passport required for US citizens. Bring REAL ID for security.

What currency is used in United States?+

The US Dollar (USD, $). The emergency number is 911.

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