Ottawa (YOW) → Washington (IAD)
About Ottawa to Washington Flights
Discover the best flights from Ottawa to Washington, covering 723 km in approximately 1h 24m. Ottawa (YOW) to Washington (IAD) is one of the busy short-haul routes connecting Canada and United States. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Ottawa to Washington.
12-Month Price History
Flight prices from Ottawa to Washington vary significantly throughout the year. February typically offers the best deals with average prices around $238, while July sees the highest prices, averaging $397. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
101 days
For best prices
Booking Tips
For the best prices on Ottawa to Washington flights, we recommend booking 156 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
British Airways BA | $350 | $1570 | $2280 |
Porter Airlines PD | $350 | $1190 | $2030 |
Lufthansa LH | $360 | $1490 | $2390 |
American Airlines AA | $390 | $1280 | $2210 |
Delta Air Lines DL | $400 | $1280 | $2300 |
United Airlines UA | $400 | $1250 | $2220 |
Air France AF | $420 | $1370 | $2180 |
British Airways
BA
Economy
$350
Business
$1570
First
$2280
Porter Airlines
PD
Economy
$350
Business
$1190
First
$2030
Lufthansa
LH
Economy
$360
Business
$1490
First
$2390
American Airlines
AA
Economy
$390
Business
$1280
First
$2210
Delta Air Lines
DL
Economy
$400
Business
$1280
First
$2300
United Airlines
UA
Economy
$400
Business
$1250
First
$2220
Air France
AF
Economy
$420
Business
$1370
First
$2180
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Montreal → Washington
Montréal–Pierre Elliott Trudeau International (YUL) to Washington Dulles International (IAD)
Distance: 786 km
Average price: $283
Montreal → Washington
Montréal–Trudeau (YUL) to Washington Dulles International (IAD)
Distance: 786 km
Average price: $283
Ottawa → Washington
Ottawa Macdonald–Cartier International (YOW) to Ronald Reagan Washington National (DCA)
Distance: 728 km
Average price: $272
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Frequently Asked Questions
How long is the flight from Ottawa to Washington?
The flight time from Ottawa (YOW) to Washington (IAD) is approximately 1 hours and 24 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Ottawa and Washington?
The aerial distance between Ottawa and Washington is 723 kilometers (449 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Ottawa to Washington?
Several airlines operate flights between Ottawa and Washington, including United Airlines, Porter Airlines, American Airlines and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Ottawa to Washington?
Based on historical data, February typically offers the lowest airfares for flights from Ottawa to Washington. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Washington?
For the best prices on Ottawa to Washington flights, we recommend booking 115 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Ottawa to Washington?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Canada traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Ottawa and Washington?
Ottawa operates on America/Toronto time zone, while Washington is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.