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$213+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GLA
Feb 9 — Feb 161
Sun 2/9
Sun 2/16
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Glasgow are usually found in November or April, booked 85 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap 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 February 4, 2025.

Round-trip from

$494
(Mytrip)

One-way from

$213
(oojo)

Popular in

June

Cheapest in

November

Average price

$674
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 ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 4, 2025.

This Mytrip deal was found by Cheapflights users on 2/3. 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 3/37:40 pmIAD - GLA
1 stop9h 15mIcelandair
Mon 3/1012:35 pmGLA - IAD
1 stop10h 50mIcelandair
Deal found 2/3$494
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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.
Tue 4/227:25 pmIAD - GLA
1 stop10h 20mBritish Airways
Thu 5/810:00 amGLA - IAD
1 stop12h 35mBritish Airways
Deal found 2/4$597
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/68:45 pmIAD - GLA
1 stop17h 15mMultiple Airlines
Fri 3/141:55 pmGLA - IAD
1 stop10h 20mMultiple Airlines
Deal found 2/3$639
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:52 pmIAD - GLA
2 stops14h 18mAmerican Airlines
Tue 4/298:45 amGLA - IAD
1 stop13h 50mAmerican Airlines
Deal found 2/3$640
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Sat 3/156:50 pmIAD - GLA
1 stop13h 05mLufthansa
Sat 3/296:00 amGLA - IAD
1 stop14h 50mLufthansa
Deal found 2/2$652
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/215:35 pmIAD - GLA
1 stop23h 30mKLM
Wed 2/266:05 amGLA - IAD
1 stop14h 40mKLM
Deal found 2/3$662
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1210:40 pmIAD - GLA
1 stop13h 05mFinnair
Mon 5/192:05 pmGLA - IAD
1 stop11h 05mFinnair
Deal found 2/3$668
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:05 pmIAD - GLA
2 stops15h 25mDelta
Wed 3/129:05 amGLA - IAD
2 stops17h 55mDelta
Deal found 2/3$677
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:35 pmIAD - GLA
1 stop23h 30mVirgin Atlantic
Fri 3/149:05 amGLA - IAD
1 stop11h 40mVirgin Atlantic
Deal found 2/3$678
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1210:40 pmIAD - GLA
1 stop14h 50mIberia
Mon 5/192:05 pmGLA - IAD
2 stops29h 55mIberia
Deal found 2/3$699
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:25 pmIAD - GLA
1 stop17h 45mAir France
Tue 5/208:55 amGLA - IAD
1 stop11h 40mAir France
Deal found 2/3$720
This Ovago deal was found by Cheapflights users on 2/3. 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.
Sat 9/2010:45 pmIAD - GLA
2 stops16h 00mAer Lingus
Fri 9/261:40 pmGLA - IAD
2 stops35h 35mAer Lingus
Deal found 2/3$914

Find flights from Dulles Intl to Glasgow within your budget

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 February 4, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 3/3

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 3/10

12:35 pm-7:25 pm

1 stop10h 50m

$494

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 4/22

7:25 pm-10:45 am

1 stop10h 20m

Glasgow Intl

Thu 5/8

10:00 am-5:35 pm

1 stop12h 35m

$597

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 2/21

5:50 pm-12:00 pm

1 stop13h 10m

Glasgow Intl

Thu 2/27

6:00 am-3:50 pm

1 stop14h 50m

$632

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 3/6

8:45 pm-7:00 pm

1 stop17h 15m

Glasgow Intl

Fri 3/14

1:55 pm-8:15 pm

1 stop10h 20m

$639

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 4/8

4:52 pm-12:10 pm

2 stops14h 18m

Glasgow Intl

Tue 4/29

8:45 am-5:35 pm

1 stop13h 50m

$640

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sat 3/8

5:10 pm-4:15 pm

1 stop18h 05m

Glasgow Intl

Fri 3/14

8:20 am-8:15 pm

1 stop15h 55m

$657

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 2/21

5:35 pm-10:05 pm

1 stop23h 30m

Glasgow Intl

Wed 2/26

6:05 am-3:45 pm

1 stop14h 40m

$662

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 2/21

12:56 pm-9:55 am

2 stops15h 59m

Glasgow Intl

Wed 2/26

6:05 am-3:45 pm

1 stop14h 40m

$667

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 5/12

10:40 pm-4:45 pm

1 stop13h 05m

Glasgow Intl

Mon 5/19

2:05 pm-8:10 pm

1 stop11h 05m

$668

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 3/6

5:35 pm-10:05 pm

1 stop23h 30m

Glasgow Intl

Fri 3/14

9:05 am-4:45 pm

1 stop11h 40m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 21 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.

Travel insights for flights from Dulles Intl to Glasgow

Get recent, data-driven insights about flights from Dulles Intl to Glasgow including ideal travel times, pricing trends, and more.

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 January 31, 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow (average of $664). Flying from Washington, D.C. Dulles Intl Airport to Glasgow in June is currently the most expensive (average of $1,183). 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 February 4, 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 morning. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Glasgow?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Glasgow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Glasgow flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Glasgow by month

Plan your trip to Glasgow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow ranges from 1.3 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. May is typically the driest time to visit Glasgow when rainfall is around 1.3 in.

Temperature in Glasgow by month

Plan your trip to Glasgow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 February 4, 2025.
Read reviews from past customers who have flown Delta, KLM and Virgin Atlantic from Washington, D.C. to Glasgow. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,408 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
658 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,469 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Icelandair, at $494, 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 Lufthansa. Icelandair is currently priced 36% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $213. British Airways flights start at $393 while deals on Iberia start at $399 one-way.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Glasgow?

    Most of the time, Washington, D.C. Dulles Intl Airport to Glasgow flights that have layovers will stop in Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Reykjavik travelers tend to visit Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool more than anywhere else. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Travelers can rent a car at Reykjavik Keflavik Intl for an average daily rate of $52 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Glasgow flights?

    Washington, D.C. Dulles Intl Airport to Glasgow flights that have layovers will least frequently stop in London.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow (average of $664). Flying from Washington, D.C. Dulles Intl Airport to Glasgow in June is currently the most expensive (average of $1,183). 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

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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 9 airlines flying from Dulles Intl to Glasgow

Discover the top 9 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 February 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$445Average$884FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$497Average$841FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$568Average$888FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$576Average$823FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$578Average$794FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$593Average$943FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$600Average$788FlexibilityNo cancel feeOn-time71%
DeltaCheapest$652Average$877FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$713Average$1,106FlexibilityNo cancel feeOn-time69%
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