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Glasgow Intl

$308+ Cheap flights from Dulles Intl (IAD) to Glasgow Intl (GLA)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GLA
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Glasgow Intl are usually found in April or November, booked 85 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 27, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$479
(Mytrip)

One-way from

$308
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$613
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Glasgow Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Glasgow Intl flights.
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From Washington, D.C. Dulles Intl to Glasgow Intl
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One-way flight from Washington, D.C. Dulles Intl to Glasgow Intl
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Highest demand for flights based on searches. 17% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Glasgow Intl

Cheapest flights from Dulles Intl to Glasgow Intl
Explore the most affordable flight options available from Dulles Intl to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 27, 2025.

This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:40 pmIAD - GLA
1 stop9h 15mIcelandair
vie. 12/512:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/25$492
This Mytrip deal was found by Cheapflights users on 10/25. 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.
mar. 12/27:40 pmIAD - GLA
2 stops19h 40mMultiple Airlines
lun. 12/811:35 pmGLA - IAD
2 stops23h 55mMultiple Airlines
Deal found 10/25$503
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/17:40 pmIAD - GLA
1 stop9h 15mIcelandair
vie. 12/512:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/26$505
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/47:40 pmIAD - GLA
1 stop9h 15mIcelandair
mié. 11/1912:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/27$510
This Mytrip deal was found by Cheapflights users on 10/26. 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.
mié. 12/107:40 pmIAD - GLA
1 stop9h 15mIcelandair
mié. 12/1712:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/26$517
This Mytrip deal was found by Cheapflights users on 10/25. 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.
jue. 12/47:40 pmIAD - GLA
2 stops20h 45mMultiple Airlines
lun. 12/811:35 pmGLA - IAD
2 stops23h 55mMultiple Airlines
Deal found 10/25$524
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:40 pmIAD - GLA
1 stop9h 15mIcelandair
mié. 11/1912:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/27$528
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/97:40 pmIAD - GLA
1 stop9h 15mIcelandair
mar. 12/1612:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/25$529
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:40 pmIAD - GLA
1 stop9h 15mIcelandair
mié. 11/1912:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/27$561
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/167:40 pmIAD - GLA
1 stop9h 15mIcelandair
sáb. 1/1012:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/26$570

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Glasgow 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 octubre 27, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport that are best for you.

Fly from

Dulles Intl

Fly to

Glasgow Intl

Route

Depart

Return

Price

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mar. 11/4

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

jue. 11/13

12:35 pm-6:30 pm

1 stop10h 55m

$492

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

vie. 11/28

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

sáb. 12/6

12:35 pm-6:30 pm

1 stop10h 55m

$492

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

lun. 11/3

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

jue. 11/13

12:35 pm-6:30 pm

1 stop10h 55m

$492

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

vie. 11/28

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

vie. 12/5

12:35 pm-6:30 pm

1 stop10h 55m

$492

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mar. 12/16

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

sáb. 1/10

12:35 pm-6:30 pm

1 stop10h 55m

$570

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mar. 12/2

9:45 am-7:40 pm

3 stops28h 55m

Glasgow Intl

lun. 12/8

11:35 pm-3:50 pm

2 stops21h 15m

$584

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

lun. 12/1

6:05 pm-10:10 pm

1 stop23h 05m

Glasgow Intl

mar. 12/16

9:05 am-4:05 pm

1 stop12h 00m

$608

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

jue. 11/13

6:05 pm-12:45 pm

1 stop13h 40m

Glasgow Intl

dom. 11/23

6:05 am-4:05 pm

1 stop15h 00m

$630

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mar. 11/4

6:05 pm-12:45 pm

1 stop13h 40m

Glasgow Intl

dom. 11/23

6:05 am-4:05 pm

1 stop15h 00m

$630

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mié. 11/12

6:05 pm-10:10 pm

1 stop23h 05m

Glasgow Intl

sáb. 11/22

5:20 pm-4:05 pm

1 stop27h 45m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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Compare providers for flights from Dulles Intl to Glasgow Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Glasgow Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Glasgow Intl Airport flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Washington, D.C. Dulles Intl Airport-Glasgow Intl Airport flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Glasgow Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Glasgow Intl Airport flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Glasgow Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Glasgow Intl. Price data was last updated on October 24, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport (average of $486). Flying from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $666). 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 IAD to GLA?

Find hourly flight availability from Dulles Intl to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow Intl. Reviews last updated octubre 27, 2025.
See what other customers who have flown with KLM, Aer Lingus, and Icelandair from Washington, D.C. Dulles Intl Airport to Glasgow 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.
KLM
7.7
Good
1,406 reviews

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,360 reviews
KLM
7.7
Good
1,406 reviews

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
562 reviews
KLM
7.7
Good
1,406 reviews

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,476 reviews
KLM
7.7
Good
1,406 reviews

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Glasgow 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 Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport?

    For as low as $492, Icelandair can have you in Glasgow Intl Airport from Washington, D.C. Dulles Intl Airport in 9h 15m. The distance from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport is about 3426 mi.

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

    Flying on Icelandair is currently your cheapest option to Glasgow Intl Airport, with prices starting at $494. Additional round-trip tickets that might be worth considering are offered by British Airways and KLM, with the lowest prices starting at $574 and $591, respectively. Users have found that Icelandair is 31% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport (average of $486). Flying from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $666). 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 Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley

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Alternative routes for Dulles Intl to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Dulles Intl to Glasgow Intl

Discover the top 4 airlines that operate flights from Dulles Intl to Glasgow 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 octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$494Average$648FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$734FlexibilityNo cancel feeOn-time70%
KLMCheapest$591Average$750FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$716Average$877FlexibilityNo cancel feeOn-timeN/A

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