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$243+ Cheap flights from Dulles Intl (IAD) to Glasgow

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GLA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Glasgow are usually found in April or October, booked 85 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to Glasgow

Cheapest flights from Dulles Intl to Glasgow
Explore the most affordable flight options available from Dulles Intl to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
vie. 12/125:20 pmIAD - GLA
2 stops14h 00mLufthansa
mar. 12/161:10 pmGLA - IAD
1 stop12h 05mLufthansa
Deal found 12/11$602
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
sáb. 12/1310:20 pmIAD - GLA
2 stops19h 50mLufthansa
mar. 12/166:00 amGLA - IAD
1 stop13h 35mLufthansa
Deal found 12/11$833
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
sáb. 12/136:20 pmIAD - GLA
1 stop14h 00mBritish Airways
mar. 12/1611:40 amGLA - IAD
1 stop13h 15mBritish Airways
Deal found 12/11$913
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
jue. 12/117:40 pmIAD - GLA
1 stop9h 15mIcelandair
jue. 12/1812:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 12/10$959
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/165:29 pmIAD - GLA
2 stops17h 21mBritish Airways
sáb. 1/108:40 amGLA - IAD
1 stop16h 15mBritish Airways
Deal found 12/10$1,047
This Ovago deal was found by Cheapflights users on 12/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/169:00 pmIAD - GLA
1 stop17h 40mAer Lingus
sáb. 1/1012:00 pmGLA - IAD
1 stop32h 35mAer Lingus
Deal found 12/11$1,062
This FlightHub deal was found by Cheapflights users on 12/11. 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. 12/256:20 pmIAD - GLA
1 stop10h 10mBritish Airways
lun. 12/297:35 amGLA - IAD
2 stops21h 29mBritish Airways
Deal found 12/11$1,093
This Mytrip deal was found by Cheapflights users on 12/9. 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.
lun. 12/229:00 pmIAD - PIK
2 stops20h 55mMultiple Airlines
mar. 12/305:45 amPIK - IAD
3 stops42h 35mMultiple Airlines
Deal found 12/9$1,877
This Mytrip deal was found by Cheapflights users on 12/11. 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.
lun. 12/225:05 pmIAD - PIK
3 stops24h 50mMultiple Airlines
vie. 1/25:45 amPIK - IAD
3 stops44h 09mMultiple Airlines
Deal found 12/11$3,107
This Mytrip deal was found by Cheapflights users on 12/10. 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.
dom. 12/218:45 pmIAD - PIK
2 stops21h 50mMultiple Airlines
vie. 1/25:45 amPIK - IAD
3 stops44h 09mMultiple Airlines
Deal found 12/10$3,424

Find flight deals from Dulles Intl to Glasgow

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Glasgow (GG1). 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 diciembre 12, 2025.

Round-trip from

$487
(Mytrip)

One-way from

$243
(Mytrip)

Popular in

June

Cheapest in

April

Average price

$920
From Washington, D.C. Dulles Intl to Glasgow
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One-way flight from Washington, D.C. Dulles Intl to Glasgow
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Highest demand for flights based on searches. 16% potential increase in price ($147 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 December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Glasgow 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Glasgow that are best for you.

Fly from

Dulles Intl

Fly to

Glasgow

Route

Depart

Return

Price

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

dom. 3/1

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

jue. 3/5

12:35 pm-6:30 pm

1 stop10h 55m

$494

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mié. 3/4

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

sáb. 3/14

12:35 pm-7:30 pm

1 stop10h 55m

$517

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

jue. 1/8

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

lun. 2/2

12:35 pm-6:30 pm

1 stop10h 55m

$517

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

jue. 1/8

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

vie. 2/6

12:35 pm-6:30 pm

1 stop10h 55m

$517

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

dom. 3/8

8:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

vie. 3/13

12:35 pm-7:30 pm

1 stop10h 55m

$544

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

mié. 3/4

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

vie. 3/13

12:35 pm-7:30 pm

1 stop10h 55m

$544

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

sáb. 2/28

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

sáb. 3/7

12:35 pm-6:30 pm

1 stop10h 55m

$571

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

vie. 3/6

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

jue. 3/12

12:35 pm-7:30 pm

1 stop10h 55m

$573

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

dom. 1/25

6:05 pm-10:10 pm

1 stop23h 05m

Glasgow Intl

dom. 2/1

6:05 am-4:05 pm

1 stop15h 00m

$618

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

jue. 3/5

6:05 pm-12:45 pm

1 stop13h 40m

Glasgow Intl

dom. 3/15

1:25 pm-5:05 pm

1 stop31h 40m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 24 results
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Best time to book a flight from Dulles Intl to Glasgow

Have a flexible travel schedule? Discover the best time to fly to Glasgow 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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Glasgow. Price data was last updated on December 5, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Glasgow is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow (average of $484). Flying from Washington, D.C. Dulles Intl Airport to Glasgow in June is currently the most expensive (average of $682). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 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 in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Glasgow

Get insights into the airlines that provide service to Glasgow. 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. Reviews last updated diciembre 12, 2025.
Read reviews from past customers who have flown Aer Lingus, Icelandair, and British Airways from Washington, D.C. Dulles Intl Airport to Glasgow. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,394 reviews

Boarding

7.4

Food

6.6

Entertainment

7.0

Crew

8.0

Comfort

7.1

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

DUB - EDI

Fine except for app. Couldn’t check in online - kept saying I couldn’t check in until the morning after my flight. On second leg I could check in but couldn’t get my boarding pass into my wallet. Thankfully I took a screenshot of it because I couldn’t retrieve it when we boarded - the app prohibited it.
Aer Lingus
7.2
Good
1,394 reviews
Aer Lingus
7.2
Good
1,394 reviews

Boarding

7.4

Food

6.6

Entertainment

7.0

Crew

8.0

Comfort

7.1

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

DUB - EDI

Fine except for app. Couldn’t check in online - kept saying I couldn’t check in until the morning after my flight. On second leg I could check in but couldn’t get my boarding pass into my wallet. Thankfully I took a screenshot of it because I couldn’t retrieve it when we boarded - the app prohibited it.
Icelandair
7.0
Good
589 reviews
Aer Lingus
7.2
Good
1,394 reviews

Boarding

7.4

Food

6.6

Entertainment

7.0

Crew

8.0

Comfort

7.1

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

DUB - EDI

Fine except for app. Couldn’t check in online - kept saying I couldn’t check in until the morning after my flight. On second leg I could check in but couldn’t get my boarding pass into my wallet. Thankfully I took a screenshot of it because I couldn’t retrieve it when we boarded - the app prohibited it.
British Airways
6.7
Okay
7,571 reviews
Aer Lingus
7.2
Good
1,394 reviews

Boarding

7.4

Food

6.6

Entertainment

7.0

Crew

8.0

Comfort

7.1

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

DUB - EDI

Fine except for app. Couldn’t check in online - kept saying I couldn’t check in until the morning after my flight. On second leg I could check in but couldn’t get my boarding pass into my wallet. Thankfully I took a screenshot of it because I couldn’t retrieve it when we boarded - the app prohibited it.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Glasgow. 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?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Glasgow in 9h 15m. Fly via Icelandair to get the fastest option. Washington, D.C. Dulles Intl Airport and Glasgow are separated by a distance of 3426 mi.

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

    Icelandair, at $497, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Glasgow.Alternate airlines to your destination round-trip include British Airways and Aer Lingus. Icelandair is currently priced 31% below the average price you’ll pay for this route.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Glasgow 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?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow (average of $484). Flying from Washington, D.C. Dulles Intl Airport to Glasgow in June is currently the most expensive (average of $682). 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.

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Alternative routes for Dulles Intl to Glasgow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Dulles Intl to Glasgow

Discover the top 7 airlines that operate flights from Dulles Intl to Glasgow. 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$496Average$662FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$755FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$629Average$864FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$652Average$767FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$744Average$1,083FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$860Average$1,206FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$920Average$990FlexibilityNo cancel feeOn-time71%

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