$320 Cheap Flights from Washington (IAD) to Edinburgh (EDI)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI)

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Cheap Flights from Washington to Edinburgh (IAD-EDI)

Prices were available within the past 7 days and start at $320 for one-way flights and $575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Aer Lingus
Turkish Airlines
Icelandair
Scandinavian Airlines
Lufthansa
United
Air Canada
Virgin Atlantic
Delta

Find the cheapest month to fly from Washington (IAD) to Edinburgh (EDI)

October is typically the cheapest month to fly

From $571 - $1,285 per traveler.

Graph displaying average flight prices per month

Alternative airports near Edinburgh

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Washington (IAD) to Edinburgh (EDI)
Origin airport
Washington Dulles Intl.
Destination airport
Edinburgh
Roundtrip price
$574
Distance
3467 mi
Average flight time
7 hours 10 mins

Washington to Edinburgh Flights

The cheapest times to fly from Washington to Edinburgh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Edinburgh are during the month of November. You can find some of the cheapest flights from Washington to Edinburgh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Edinburgh

Sunday is one of the best days to book for cheap flights from Washington to Edinburgh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Edinburgh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Edinburgh in 2025. You can also book with separate airlines for your outbound and return journeys, from $320 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Edinburgh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Edinburgh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI) cost?
You can score cheap return tickets from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI) starting from $700. Grab a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving IAD on August 4 2025 and touching down at EDI. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from IAD to EDI?
The cheapest flights from IAD to EDI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to EDI?
Journey from IAD to EDI with United. This airline currently has the lowest one-way fare for this route, starting from $464. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on September 1 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI)?
There aren't any daily nonstop flights from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from IAD to EDI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI)?
Book a flight from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI) last-minute?
Last-minute fares from IAD to EDI are generally more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an IAD to EDI flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to EDI flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Edinburgh Airport (EDI)?
Typically, you can modify or cancel your IAD to EDI flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, go to our Customer Service portal.

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