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Glasgow Intl

$323+ Cheap flights from Washington, D.C. (WAS) 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Glasgow Intl are usually found in January or February, booked 29 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Washington, D.C. to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$470
(CrystalTravel)

One-way from

$323
(oojo)

Popular in

June

Cheapest in

January

Average price

$646
Provider with most accurate pricing for Washington, D.C. (WAS)-Glasgow Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Glasgow Intl flights.
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From Washington, D.C. (WAS) to Glasgow Intl
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One-way flight from Washington, D.C. (WAS) to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 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 Washington, D.C. to Glasgow Intl

Cheapest flights from Washington, D.C. to Glasgow Intl
Explore the most affordable flight options available from Washington, D.C. to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 10/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 pmIAD - GLA
1 stop9h 15mIcelandair
Wed 12/1012:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/29$470
This oojo deal was found by Cheapflights users on 10/29. 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.
Thu 12/47:40 pmBWI - GLA
1 stop9h 15mIcelandair
Wed 12/1012:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 10/29$499
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Wed 12/107:40 pmBWI - GLA
2 stops20h 20mMultiple Airlines
Wed 12/177:45 amGLA - BWI
2 stops15h 55mMultiple Airlines
Deal found 10/28$500
This Icelandair deal was found by Cheapflights users on 10/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:40 pmBWI - GLA
1 stop9h 15mIcelandair
Thu 12/412:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 10/29$515
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Mon 12/17:40 pmBWI - GLA
1 stop9h 15mIcelandair
Tue 12/912:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 10/29$516
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 11/187:40 pmIAD - GLA
1 stop9h 15mIcelandair
Wed 4/82:20 pmGLA - IAD
1 stop10h 00mIcelandair
Deal found 10/28$521
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 11/187:40 pmBWI - GLA
1 stop9h 15mIcelandair
Wed 4/82:20 pmGLA - BWI
1 stop10h 05mIcelandair
Deal found 10/28$521
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Mon 12/17:40 pmIAD - GLA
1 stop9h 15mIcelandair
Tue 12/912:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/29$523
This oojo deal was found by Cheapflights users on 10/28. 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.
Wed 12/107:40 pmBWI - GLA
1 stop9h 15mIcelandair
Wed 12/1712:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 10/28$524
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Tue 12/27:40 pmBWI - GLA
2 stops19h 40mMultiple Airlines
Wed 12/107:45 amGLA - BWI
2 stops15h 55mMultiple Airlines
Deal found 10/29$528
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Tue 12/27:40 pmIAD - GLA
2 stops19h 40mMultiple Airlines
Wed 12/107:45 amGLA - IAD
2 stops15h 45mMultiple Airlines
Deal found 10/29$541
This FlightHub deal was found by Cheapflights users on 10/28. 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 11/247:40 pmIAD - GLA
1 stop9h 15mIcelandair
Wed 12/312:35 pmGLA - IAD
1 stop10h 55mIcelandair
Deal found 10/28$543

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Glasgow Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Glasgow Intl

Route

Depart

Return

Price

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Thu 12/4

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Wed 12/10

12:35 pm-6:40 pm

1 stop11h 05m

$499

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Wed 1/7

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 1/11

12:35 pm-6:30 pm

1 stop10h 55m

$505

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Fri 1/16

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Thu 1/22

12:35 pm-6:30 pm

1 stop10h 55m

$505

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Wed 1/7

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 1/11

12:35 pm-6:40 pm

1 stop11h 05m

$505

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Thu 11/27

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 12/5

12:35 pm-6:40 pm

1 stop11h 05m

$515

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 11/24

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 12/5

12:35 pm-6:40 pm

1 stop11h 05m

$515

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 11/24

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Thu 12/4

12:35 pm-6:40 pm

1 stop11h 05m

$515

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 1/5

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 1/9

12:35 pm-6:30 pm

1 stop10h 55m

$541

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 1/5

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 1/9

12:35 pm-6:40 pm

1 stop11h 05m

$541

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Thu 11/27

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Thu 12/4

12:35 pm-6:40 pm

1 stop11h 05m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. 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
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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.-Glasgow Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Glasgow Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-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.-Glasgow Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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.-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 Washington, D.C. to Glasgow Intl

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

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

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Glasgow Intl Airport, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow Intl Airport (average of $467). Flying from Washington, D.C. to Glasgow Intl Airport in July is currently the most expensive (average of $625). 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 WAS to GLA?

Find hourly flight availability from Washington, D.C. 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 October 30, 2025.

It’s optimal to fly from Washington, D.C. to Glasgow Intl Airport in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

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

What’s the top layover airport for flights from Washington, D.C. to Glasgow Intl Airport?

Share of 1-stop round-trip flights from Washington, D.C. to Glasgow Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 57% of 1-stop itineraries from Washington, D.C. to Glasgow Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Glasgow Intl Airport?

Average round-trip fare for 1-stop flights from Washington, D.C. to Glasgow Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $576.

What’s the fastest layover option from Washington, D.C. to Glasgow Intl Airport?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Glasgow Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 10h 25m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Glasgow Intl Airport?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Glasgow Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via London (LHR) offer the fastest connection on this route, with an average layover time of 1h 23m.

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 October 30, 2025.
Read reviews from past customers who have flown Delta, Aer Lingus, and Icelandair from Washington, D.C. to Glasgow Intl Airport. 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.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aer Lingus
7.2
Good
1,365 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Icelandair
7.1
Good
562 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,541 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

    A quick flight from Washington, D.C. to Glasgow Intl Airport can take about 9h 15m. Icelandair provides one of the quickest options available for as low as $499. There are 3386 mi between Washington, D.C. and Glasgow Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $494, Icelandair will fly you from Washington, D.C. to Glasgow Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and KLM - these airlines can fly you to your destination from $574 and $591, respectively. Icelandair is currently priced 33% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $323. However, be on the lookout for offers from American Airlines and Aer Lingus, as they are both options that can get you from Washington, D.C. to Glasgow Intl Airport for a low price.

  • What are the most popular routes from Washington, D.C. to Glasgow Intl Airport?

    Most travelers choose Washington, D.C. Dulles Intl - Glasgow Intl, Washington, D.C. Reagan-National - Glasgow Intl or Baltimore/Washington - Glasgow Intl when deciding on the best route from Washington, D.C. to Glasgow Intl Airport.

  • Can I find deals for flights from Washington, D.C. to Glasgow Intl that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Glasgow Intl?

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

  • Can I find deals for business class flights from Washington, D.C. to Glasgow Intl?

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Glasgow Intl Airport (average of $467). Flying from Washington, D.C. to Glasgow Intl Airport in July is currently the most expensive (average of $625). 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 Washington, D.C. to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Glasgow Intl flights
Reagan-National to Glasgow Intl flights

Top 4 airlines flying from Washington, D.C. to Glasgow Intl

Discover the top 4 airlines that operate flights from Washington, D.C. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$494Average$632FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$748FlexibilityNo cancel feeOn-time70%
KLMCheapest$591Average$750FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$716Average$877FlexibilityNo cancel feeOn-timeN/A

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