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Cheap flights from Glasgow to Washington, D.C. Dulles Intl Airport from £305

GLA — IAD
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to Dulles Intl

Fri 4/1207:35 -
2 stops15h 55m
Fri 11/1219:40 -
2 stops14h 45m
Deal found 6/11£547
Thu 24/1208:25 -
2 stops15h 05m
Thu 31/1219:40 -
2 stops15h 00m
Deal found 9/11£554
Tue 17/1122:05 -
2 stops41h 16m
Tue 24/1119:40 -
1 stop9h 15m
Deal found 6/11£556
Mon 23/1106:00 -
2 stops37h 40m
Sat 12/1219:40 -
1 stop9h 15m
Deal found 8/11£583
Thu 19/1111:55 -
1 stop11h 35m
Tue 1/1219:40 -
1 stop9h 15m
Deal found 7/11£588
Fri 4/1211:35 -
1 stop11h 55m
Fri 11/1219:40 -
1 stop9h 15m
Deal found 6/11£591
Thu 19/1111:55 -
1 stop11h 35m
Mon 30/1119:40 -
1 stop9h 15m
Deal found 8/11£596
Sun 6/1207:00 -
2 stops16h 30m
Sun 13/1219:40 -
2 stops18h 35m
Deal found 8/11£606

Find flight deals from Glasgow to Dulles Intl

Round-trip from

£540

One-way from

£305

Popular in

July

Cheapest in

February

Average price

£570
Icelandair
  • Icelandair
  • 17/1-22/1
  • 3 total stops
  • 44h 40m total
  • Glasgow to Washington, D.C.
Search Deals
24/11-31/12
  • 24/11-31/12
  • 3 total stops
  • 46h 10m total
  • Glasgow to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Glasgow to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 2/12

21:00-19:05

3 stops51h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£315

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Thu 24/12

09:50-21:00

2 stops40h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£326

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Mon 30/11

13:40-14:45

3 stops54h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£346

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Sun 28/3

22:00-15:10

3 stops46h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£363

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Mon 16/11

06:00-14:40

2 stops37h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Sat 19/12

20:30-14:45

3 stops47h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£380

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 23/12

19:25-18:30

2 stops28h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£389

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Thu 19/11

08:55-19:05

3 stops39h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£392
Fastest return journey

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Sat 26/12

07:45-19:20

1 stop16h 35m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£399

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Tue 22/12

09:15-19:05

2 stops38h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£406

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Glasgow to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Glasgow with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. Dulles Intl Airport (average of £425). Flying from Glasgow to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £821). 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.

How much does it cost for a return flight from Glasgow to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.
Glasgow to Washington, D.C. Dulles Intl Airport flights typically cost between £558 and £685 in January.
The cheapest return price found within the last 5 days was £540 on Multiple Airlines (17 Jan–22 Jan).

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Aer Lingus,Icelandair, andBritish Airways from Glasgow to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Food

6.7

Crew

8.1

Boarding

7.5

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,883 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Food

6.7

Crew

8.1

Boarding

7.5

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Icelandair
6.9
Okay
767 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Food

6.7

Crew

8.1

Boarding

7.5

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
British Airways
6.7
Okay
8,287 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Food

6.7

Crew

8.1

Boarding

7.5

Overall

7.3

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

  • How long is the flight from Glasgow to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Glasgow to Washington, D.C. Dulles Intl Airport in 11h 55m. Fly via Icelandair or Delta to get the fastest option. There are 3426 mi between Glasgow and Washington, D.C. Dulles Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Glasgow to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Glasgow to Washington, D.C. Dulles Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as £425 on this airline. Additional options worth looking into are British Airways and Aer Lingus, starting at £498 and £608 round-trip. Icelandair is currently priced 35% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow 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 Glasgow to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Glasgow to Washington, D.C. Dulles Intl Airport (average of £425). Flying from Glasgow to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £821). 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

Travelling 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
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield
Sterling

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Glasgow to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£425Average£609FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£459Average£609FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£492Average£848FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£525Average£682FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£564Average£708FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from Glasgow to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Glasgow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Glasgow to Dulles Intl.

Can Cheapflights find flights from Glasgow to Dulles Intl with no change fees?

Certainly. Search results for flights to Dulles Intl from Glasgow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Glasgow to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Glasgow today and book when prices fit your budget.

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