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Glasgow Intl

$212+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GLA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Glasgow Intl 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 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 June 12, 2025.

Round-trip from

$621
(oojo)

One-way from

$212
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,009
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. 16% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:50 pmIAD - GLA
1 stop11h 40mBritish Airways
Sun 10/125:55 amGLA - IAD
1 stop15h 00mBritish Airways
Deal found 6/9$615
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sun 10/510:05 pmIAD - GLA
2 stops18h 20mMultiple Airlines
Sat 10/113:35 pmGLA - IAD
3 stops33h 24mMultiple Airlines
Deal found 6/10$619
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 8/1711:15 pmIAD - GLA
1 stop9h 10mIcelandair
Thu 8/212:20 pmGLA - IAD
1 stop12h 50mIcelandair
Deal found 6/10$621
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/110:40 pmIAD - GLA
1 stop16h 40mAmerican Airlines
Sun 8/317:35 amGLA - IAD
1 stop14h 55mAmerican Airlines
Deal found 6/11$622
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:40 pmIAD - GLA
1 stop13h 05mIberia
Wed 10/225:40 pmGLA - IAD
2 stops26h 20mIberia
Deal found 6/10$633
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Mon 9/86:10 pmIAD - GLA
1 stop13h 10mLufthansa
Mon 9/221:10 pmGLA - IAD
2 stops27h 03mLufthansa
Deal found 6/12$653
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:13 pmIAD - GLA
2 stops19h 47mDelta
Tue 9/166:00 amGLA - IAD
1 stop14h 35mDelta
Deal found 6/11$685
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3010:14 amIAD - GLA
2 stops17h 11mVirgin Atlantic
Wed 8/66:00 amGLA - IAD
2 stops22h 21mVirgin Atlantic
Deal found 6/12$840

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 June 12, 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

Sun 8/17

11:15 pm-1:25 pm

1 stop9h 10m

Glasgow Intl

Thu 8/21

2:20 pm-10:10 pm

1 stop12h 50m

$621

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 8/1

10:40 pm-8:20 pm

1 stop16h 40m

Glasgow Intl

Sun 8/31

7:35 am-5:30 pm

1 stop14h 55m

$622

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 8/21

5:55 pm-10:15 am

1 stop11h 20m

Glasgow Intl

Fri 8/29

6:20 pm-3:00 pm

2 stops25h 40m

$636

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 9/8

6:10 pm-12:20 pm

1 stop13h 10m

Glasgow Intl

Mon 9/22

1:10 pm-11:13 am

2 stops27h 03m

$653

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 8/1

10:40 pm-10:20 pm

1 stop18h 40m

Glasgow Intl

Thu 8/7

10:00 am-8:10 pm

1 stop15h 10m

$660

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 8/26

12:13 pm-1:00 pm

2 stops19h 47m

Glasgow Intl

Tue 9/16

6:00 am-3:35 pm

1 stop14h 35m

$685

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 7/8

9:00 pm-3:30 pm

1 stop13h 30m

Glasgow Intl

Tue 7/15

3:55 pm-7:30 pm

1 stop32h 35m

$740

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sat 8/16

12:39 pm-8:25 am

2 stops14h 46m

Glasgow Intl

Sat 8/23

6:00 am-3:35 pm

1 stop14h 35m

$785

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Wed 7/30

9:20 pm-4:10 pm

2 stops13h 50m

Glasgow Intl

Tue 8/12

1:30 pm-3:35 pm

1 stop31h 05m

$929

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 7/29

9:20 pm-4:10 pm

2 stops13h 50m

Glasgow Intl

Wed 8/6

9:10 am-7:15 pm

2 stops15h 05m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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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 June 9, 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport (average of $664). Flying from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $1,160). 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 June 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 Intl Airport 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.

Rainfall in Glasgow Intl by month

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

In terms of precipitation, rainfall in Glasgow Intl Airport 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 Intl Airport when rainfall is around 1.3 in.

Temperature in Glasgow Intl by month

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

If weather is an important factor for your trip to Glasgow Intl Airport, 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 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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Virgin Atlantic from Washington, D.C. to Glasgow to help guide your decision. 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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $621. Additional round-trip tickets that might be worth considering are offered by American Airlines and British Airways, with the lowest prices starting at $622 and $641, respectively. Users have found that Icelandair is 16% cheaper than the other options available to this destination.

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

    $212 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on British Airways and Lufthansa, with prices starting from $379 and $512, respectively.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport (average of $664). Flying from Washington, D.C. Dulles Intl Airport to Glasgow Intl Airport in June is currently the most expensive (average of $1,160). 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?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$497Average$714FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$573Average$745FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$587Average$721FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$635Average$983FlexibilityNo cancel feeOn-timeN/A

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