Dulles Intl

$361+ Cheap flights from Scotland to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
EDI — IAD
May 25 — Jun 11
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Scotland to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Scotland to Dulles Intl

Cheapest flights from Scotland to Dulles Intl
Explore the most affordable flight options available from Scotland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This Mytrip deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:15 am
EDI
-
IAD
2 stops18h 05m
Multiple Airlines
Tue 5/128:30 pm
IAD
-
EDI
2 stops14h 10m
Multiple Airlines
Deal found 4/23$673
This Mytrip deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:45 am
EDI
-
IAD
2 stops16h 35m
Multiple Airlines
Thu 5/288:30 pm
IAD
-
EDI
2 stops18h 00m
Multiple Airlines
Deal found 4/23$677
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/78:00 am
GLA
-
IAD
1 stop12h 45m
Multiple Airlines
Sun 6/145:15 pm
IAD
-
GLA
1 stop10h 40m
Multiple Airlines
Deal found 4/23$696
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:45 am
EDI
-
IAD
1 stop13h 00m
Multiple Airlines
Tue 5/55:15 pm
IAD
-
EDI
1 stop13h 45m
Multiple Airlines
Deal found 4/21$703
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:15 am
EDI
-
IAD
1 stop12h 30m
Multiple Airlines
Sat 6/138:45 pm
IAD
-
EDI
1 stop14h 55m
Multiple Airlines
Deal found 4/22$706
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:55 am
EDI
-
IAD
1 stop12h 50m
Multiple Airlines
Sun 6/145:15 pm
IAD
-
EDI
1 stop11h 50m
Multiple Airlines
Deal found 4/23$715
This Mytrip deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:55 am
EDI
-
IAD
1 stop12h 50m
Multiple Airlines
Mon 6/159:00 pm
IAD
-
EDI
1 stop19h 35m
Multiple Airlines
Deal found 4/21$719
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:45 am
EDI
-
IAD
1 stop13h 00m
Multiple Airlines
Tue 6/99:05 pm
IAD
-
EDI
1 stop9h 55m
Multiple Airlines
Deal found 4/20$720
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:05 am
GLA
-
IAD
1 stop14h 55m
Multiple Airlines
Tue 6/95:15 pm
IAD
-
GLA
1 stop17h 00m
Multiple Airlines
Deal found 4/20$720
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:10 am
GLA
-
IAD
1 stop12h 50m
Multiple Airlines
Sat 6/138:45 pm
IAD
-
GLA
1 stop13h 45m
Multiple Airlines
Deal found 4/22$725
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:55 am
EDI
-
IAD
1 stop12h 50m
Multiple Airlines
Mon 5/259:00 pm
IAD
-
EDI
1 stop12h 00m
Multiple Airlines
Deal found 4/20$729
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:25 am
GLA
-
IAD
1 stop11h 20m
Multiple Airlines
Mon 6/229:00 pm
IAD
-
GLA
1 stop13h 40m
Multiple Airlines
Deal found 4/23$729

Find flight deals from Scotland to Dulles Intl

Keep the following information in mind while searching for Scotland to Dulles Intl flight deals. Data was last updated April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Mytrip)

One-way from

$361
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,095

Good round-trip deal

$902 or less

Good one-way deal

$839 or less
Provider with most accurate pricing for Edinburgh Turnhouse-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Edinburgh Turnhouse-Washington, D.C. (WAS) flights.
From Scotland to Washington, D.C. Dulles Intl
One-way flight from Scotland to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Scotland to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Scotland to Washington, D.C. Dulles Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Scotland to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from Scotland to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Thu 6/4

9:05 am-3:45 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Thu 6/11

8:45 pm-2:55 pm

1 stop13h 10m

$720

AberdeenWashington, D.C.

ABZ - IAD

ABZIAD

Aberdeen Dyce

Wed 9/2

7:15 pm-5:00 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

Sun 9/6

8:20 pm-6:35 pm

1 stop17h 15m

$826

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Wed 6/17

11:00 am-10:46 am

1 stop28h 46m

Washington, D.C. Dulles Intl

Wed 7/1

4:00 pm-9:40 am

1 stop12h 40m

$894

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sun 6/7

8:40 am-10:15 pm

2 stops18h 35m

Washington, D.C. Dulles Intl

Sun 6/14

5:15 pm-9:40 am

1 stop11h 25m

$913

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Mon 6/15

9:45 pm-8:29 pm

3 stops27h 44m

Washington, D.C. Dulles Intl

Mon 6/22

8:18 am-6:50 am

2 stops17h 32m

$933

InvernessWashington, D.C.

INV - IAD

INVIAD

Inverness

Thu 6/4

7:20 am-8:20 pm

1 stop18h 00m

Washington, D.C. Dulles Intl

Tue 6/9

7:20 pm-9:35 pm

1 stop21h 15m

$950

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Fri 5/22

7:40 pm-5:00 pm

2 stops26h 20m

Washington, D.C. Dulles Intl

Fri 6/5

8:20 pm-6:25 pm

1 stop17h 05m

$959

InvernessWashington, D.C.

INV - IAD

INVIAD

Inverness

Thu 6/4

7:20 am-3:50 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 6/9

7:20 pm-2:25 pm

1 stop14h 05m

$973

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sun 5/31

9:15 pm-3:50 pm

1 stop23h 35m

Washington, D.C. Dulles Intl

Wed 6/24

5:40 pm-11:05 pm

1 stop24h 25m

$975

GlasgowWashington, D.C.

GLA - IAD

GLAIAD

Glasgow Intl

Sat 6/6

11:00 am-9:13 pm

2 stops15h 13m

Washington, D.C. Dulles Intl

Sat 6/13

10:11 pm-9:40 am

2 stops30h 29m

$975

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 47 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Scotland to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Scotland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Scotland to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Scotland to Washington, D.C. Dulles Intl Airport?

To ensure you get the cheapest price possible for a flight from Scotland to Washington, D.C. Dulles Intl Airport, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Scotland to Washington, D.C. Dulles Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Scotland to Washington, D.C. Dulles Intl Airport (average of $315). Flying from Scotland to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SCT to IAD?

Find hourly flight availability from Scotland to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2026.

When flying from Scotland to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Scotland to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Scotland to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 25, 2026.

The most flights from GBSCT to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Scotland to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Scotland to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Scotland to Washington, D.C. Dulles Intl Airport?

    Scandinavian Airlines, Finnair, and American Airlines can get you from Scotland to Washington, D.C. Dulles Intl Airport in just under 17h 13m. Your travel time can differ by up to 9h 32m. Airlines will cover a distance of 3417 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Scotland to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $537. Users have also found prices from $656 and $676 on Lufthansa and United Airlines, respectively.

  • What are the most popular routes from Scotland to Washington, D.C. Dulles Intl Airport?

  • What are the most reliable airlines from Scotland to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Scotland, check out the most reliable airlines to get you to your destination on time: Air Canada (69%), United Airlines (69%), Lufthansa( 69%).

  • What are the cheapest flights from Scotland to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Scotland to Washington, D.C. Dulles Intl Airport is generally $1,012, our data shows the cheapest flight currently is $694. When looking at the most popular route, (Edinburgh Turnhouse - Washington, D.C. Dulles Intl), you can expect to pay $715 for that flight.

  • Can I find deals for flights from Scotland to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Scotland to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Scotland to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Scotland to Dulles Intl.

  • Can I find deals for business class flights from Scotland to Dulles Intl?

    Yes. Cheapflights offers flight deals from Scotland to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Scotland to Washington, D.C. Dulles Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Scotland to Washington, D.C. Dulles Intl Airport (average of $315). Flying from Scotland to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Scotland to Dulles Intl

Discover the top 3 airlines that operate flights from Scotland to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$661Average$698FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$672Average$1,017FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$687Average$1,077FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.