Flights from KIX to Washington, DC
Compare prices from 500+ airlines and find the best deals on flights from KIX to IAD.*Prices shown are estimated based on historical data.
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About Flights from KIX to Washington, DC
Looking for cheap flights from KIX (KIX) to Washington, DC (IAD)? You've come to the right place. Fly2Any compares prices from over 500 airlines to help you find the best deals on this popular route.
Flight Information
Flights from KIX to IAD typically take around 12h 14m. The flight covers a distance of 6246 miles. Multiple airlines operate this route, including Singapore Airlines, Southwest Airlines, British Airways, Cathay Pacific, JetBlue Airways.
Best Time to Book
For the best prices on KIX to IAD flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.
Airlines on This Route
Several major airlines serve the KIX to Washington, DC route, including:
- Singapore Airlines (SQ)
- Southwest Airlines (WN)
- British Airways (BA)
- Cathay Pacific (CX)
- JetBlue Airways (B6)
Frequently Asked Questions - KIX to IAD Flights
How long is the flight from KIX to Washington, DC?
Direct flights from KIX (KIX) to Washington, DC (IAD) take approximately 12h 14m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.
When is the best time to book KIX to IAD flights?
For the best prices on KIX to IAD flights, book 6-8 weeks in advance for domestic routes or 2-4 months ahead for international travel. Domestic flights are typically 20-40% cheaper in off-peak months. Peak season months (July, August) have higher prices, while January and February typically offer the best deals.
What are the cheapest days to fly from KIX to Washington, DC?
Tuesday and Wednesday departures are typically 15-25% cheaper than weekend flights on the KIX to IAD route. Saturday is usually the most expensive day to fly. For additional savings, consider red-eye flights or early morning departures, which often have lower fares and less crowded airports.
Which airlines fly from KIX to IAD?
Multiple airlines serve the KIX to IAD route. Compare prices across all carriers using Fly2Any to find the best combination of price, timing, and amenities.
What is the cheapest month to fly from KIX to Washington, DC?
The cheapest months to fly from KIX to IAD are typically January, February, September. Domestic flights are typically 20-40% cheaper in off-peak months. Avoid peak travel periods like July and August when prices can be 30-50% higher. Use Fly2Any's price alerts to get notified when fares drop.
What is the baggage allowance for KIX to IAD flights?
Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers may charge $25-$60 for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.
Are there direct flights from KIX to Washington, DC?
Yes, several airlines offer nonstop flights from KIX to IAD. Direct flights take approximately 12h 14m. If you're flexible with your schedule, connecting flights through major hubs like ATL or ORD may offer lower prices.
How much do flights from KIX to Washington, DC cost?
Prices for KIX to IAD flights typically range from $150-$500 roundtrip for economy class, depending on when you book and travel dates. Use Fly2Any to compare all airlines and find current deals. Setting a price alert ensures you never miss a fare drop.

