Direct (nonstop) flights from San Francisco to Dulles

1 airline flys nonstop from San Francisco International (SFO) to Washington Dulles International (IAD). It's 2,420 miles (3,894 km), about 5h 26m in the air. Operated by United Airlines.

SFO
San Francisco International
🇺🇸 San Francisco, USA
IAD
Washington Dulles International
🇺🇸 Dulles, USA
Flight Time
5h 26m
Distance
2,420 mi
3,894 km
CO₂/pax
409 kg
−36 kg vs. layover
Airlines
1
United Airlines
Time Diff
+3h
Operated by United Airlines United Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
SFO → IAD
Flight Time
5h 26m
Distance
2,420 mi

Alternative Routes

Other ways to fly from San Francisco to Dulles with one stop · direct emits 409 kg CO₂ per passenger

SFO SLC (Salt Lake City) IAD
Leg 1: 1h 59m (599 mi) Leg 2: 3h 59m (1,828 mi) Total: ~5h 58m 🍃 445 kg CO₂ (+9% vs. direct)
Leg 1
SFO → SLC
1h 59m · 599 mi
View SFO to SLC flights →
Leg 2
SLC → IAD
3h 59m · 1,828 mi
View SLC to IAD flights →
SFO SMF (Sacramento) IAD
Leg 1: 1h 2m (86 mi) Leg 2: 4h 59m (2,358 mi) Total: ~6h 1m 🍃 439 kg CO₂ (+7% vs. direct)
Leg 1
SFO → SMF
1h 2m · 86 mi
View SFO to SMF flights →
Leg 2
SMF → IAD
4h 59m · 2,358 mi
View SMF to IAD flights →
SFO PVU (Provo) IAD
Leg 1: 1h 55m (601 mi) Leg 2: 4h 9m (1,820 mi) Total: ~6h 4m 🍃 444 kg CO₂ (+9% vs. direct)
Leg 1
SFO → PVU
1h 55m · 601 mi
View SFO to PVU flights →
Leg 2
PVU → IAD
4h 9m · 1,820 mi
View PVU to IAD flights →
SFO CVG (Cincinnati) IAD
Leg 1: 4h 31m (2,037 mi) Leg 2: 1h 34m (388 mi) Total: ~6h 5m 🍃 441 kg CO₂ (+8% vs. direct)
Leg 1
SFO → CVG
4h 31m · 2,037 mi
View SFO to CVG flights →
Leg 2
CVG → IAD
1h 34m · 388 mi
View CVG to IAD flights →
SFO STL (Saint Louis) IAD
Leg 1: 3h 55m (1,735 mi) Leg 2: 2h 12m (697 mi) Total: ~6h 7m 🍃 447 kg CO₂ (+9% vs. direct)
Leg 1
SFO → STL
3h 55m · 1,735 mi
View SFO to STL flights →
Leg 2
STL → IAD
2h 12m · 697 mi
View STL to IAD flights →

Frequently Asked Questions

How long is the direct flight from San Francisco to Dulles?

A nonstop flight from San Francisco (SFO) to Dulles (IAD) takes approximately 5 hours and 26 minutes. The distance is 2,420 miles (3,894 km).

Which airlines fly nonstop from San Francisco to Dulles?

Just United Airlines.

Is there a nonstop flight from San Francisco to Dulles?

Yes. 1 airline: United Airlines.

How far is San Francisco from Dulles?

The flight distance from San Francisco to Dulles is 2,420 miles (3,894 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from San Francisco to Dulles?

At 5h 26m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from San Francisco to Dulles?

Roughly 409 kg CO2 per passenger one-way. That's about the same as driving 2,045 km.

Is the return flight from Dulles to San Francisco also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from San Francisco to Dulles?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at San Francisco International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.