The cheapest times to fly from SYY to IAD are

  • January 1st to March 18th
  • May 7th to May 20th
  • October 15th to March 18th (except the weeks of December 17th and December 24th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SYY to IAD is mid February. Prices can be as high as $4528 for Saturday flights during early April, or as low as $725 for Tuesday flights around mid February.


When to Fly to Washington

Flying from Stornoway (SYY) to Washington, DC (IAD) will usually cost between $738 to $2414 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid February with an average ticket price of $758. Due to high demand the most expensive time to fly is early April, with an average price of $2066. Planning your trip to low-cost times can easily save you $1308 on economy flights and even more on first-class flights. Generally, any price below $941 can be considered a good price for a round-trip SYY to IAD flight.

See below for a graph of average weekly prices for the SYY to IAD route. All prices are for round-trip tickets in USD.

SYY to IAD Flight Prices

Compared to other flights, the SYY to IAD flight is priced close to the average and costs slightly more than the average flight leaving from Stornoway. The average price per mile (for a direct flight) is $0.18, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to IAD, and Wednesday the cheapest day to fly back into SYY. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $505 (29%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $898. Return trip prices are from the IAD to SYY flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SYY to IAD can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 58 minutes may not be realistic.


Flight Hacking SYY to IAD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SYY to IAD — but Champion Traveler does!

Hack #1: Inverness (SYY > INV > IAD)

  • Price for both tickets: $776
  • Average savings: $166 (17.59%)

See SYY to GLA flights

Hack #2: Glasgow (SYY > GLA > IAD)

  • Price for both tickets: $835
  • Average savings: $106 (11.26%)

See SYY to INV flights

Hack #3: Edinburgh (SYY > EDI > IAD)

  • Price for both tickets: $932
  • Average savings: $10 (1.01%)

See SYY to EDI flights


Flight Questions Answered

Still have questions about flying from SYY to IAD? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: British Airways, China Southern, Loganair, United, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to Stornoway Airport?

The distance between the two airports is roughly 3328 miles or 5356 kilometers.

How long does it take to fly from SYY to IAD?

The real-world flight time for a nonstop SYY to IAD flight is about 6 hour 58 minutes.

How many flights go between Stornoway and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from SYY to IAD.


Airport Location Info


Departing Airport

Origination codeSYY
Origination airport nameStornoway Airport
Countrythe United Kingdom

Return Airport

Destination codeIAD
Destination airport nameWashington Dulles International Airport
CityWashington, DC
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.