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Glasgow Intl

$245+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GLA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 November, booked 27 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap 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 December 23, 2025.

This Air France deal was found by Cheapflights users on 12/20. 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.
Mon 12/296:05 pmIAD - GLA
1 stop23h 05mMultiple Airlines
Wed 1/145:20 pmGLA - IAD
1 stop27h 45mMultiple Airlines
Deal found 12/20$683
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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.
Thu 12/2510:00 pmIAD - GLA
1 stop20h 10mLufthansa
Mon 12/296:10 amGLA - IAD
1 stop13h 25mLufthansa
Deal found 12/22$758
This oojo deal was found by Cheapflights users on 12/20. 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.
Mon 12/296:00 amDCA - GLA
2 stops20h 50mBritish Airways
Wed 1/1410:55 amGLA - DCA
2 stops18h 04mBritish Airways
Deal found 12/20$766
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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.
Thu 12/2510:00 pmIAD - GLA
1 stop20h 10mLufthansa
Sat 12/271:10 pmGLA - IAD
1 stop12h 05mLufthansa
Deal found 12/21$812
This oojo deal was found by Cheapflights users on 12/20. 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.
Fri 12/266:00 amDCA - GLA
2 stops20h 50mBritish Airways
Sun 1/113:55 pmGLA - DCA
2 stops23h 08mBritish Airways
Deal found 12/20$827
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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.
Thu 12/256:20 pmIAD - GLA
1 stop10h 10mBritish Airways
Sat 12/279:35 amGLA - IAD
1 stop11h 00mBritish Airways
Deal found 12/21$923
This Ovago deal was found by Cheapflights users on 12/20. 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.
Fri 12/264:29 pmIAD - GLA
2 stops20h 31mBritish Airways
Sun 1/119:20 amGLA - IAD
2 stops36h 56mBritish Airways
Deal found 12/20$931
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/254:59 pmDCA - GLA
2 stops12h 46mAmerican Airlines
Mon 12/297:35 amGLA - DCA
2 stops16h 07mAmerican Airlines
Deal found 12/22$949
This oojo deal was found by Cheapflights users on 12/20. 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.
Mon 12/298:15 pmBWI - GLA
2 stops15h 20mBritish Airways
Wed 1/148:25 pmGLA - BWI
1 stop27h 20mBritish Airways
Deal found 12/20$960
This oojo deal was found by Cheapflights users on 12/20. 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.
Tue 12/235:41 pmDCA - GLA
2 stops15h 54mBritish Airways
Thu 1/89:55 amGLA - DCA
2 stops17h 08mBritish Airways
Deal found 12/20$974
This oojo deal was found by Cheapflights users on 12/20. 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.
Fri 12/268:15 pmBWI - GLA
2 stops16h 45mBritish Airways
Sun 1/115:55 amGLA - BWI
1 stop17h 50mBritish Airways
Deal found 12/20$990
This Delta deal was found by Cheapflights users on 12/22. 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.
Thu 12/254:49 pmBWI - GLA
2 stops18h 51mDelta
Mon 12/299:05 amGLA - BWI
2 stops19h 26mDelta
Deal found 12/22$1,051

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$479
(CrystalTravel)

One-way from

$245
(oojo)

Popular in

June

Cheapest in

January

Average price

$999
Provider with most accurate pricing for Washington, D.C. (WAS)-Glasgow Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Glasgow Intl flights.
Search Deals
From Washington, D.C. (WAS) to Glasgow Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 1/29

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 2/9

12:35 pm-6:30 pm

1 stop10h 55m

$491

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 1/18

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 1/25

12:35 pm-6:40 pm

1 stop11h 05m

$491

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sat 2/14

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 2/21

12:35 pm-6:30 pm

1 stop10h 55m

$492

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 4/9

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Wed 4/15

2:20 pm-7:20 pm

1 stop10h 00m

$507

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 1/17

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 1/24

12:35 pm-6:40 pm

1 stop11h 05m

$517

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 4/12

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Wed 4/22

2:20 pm-7:20 pm

1 stop10h 00m

$534

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sun 4/12

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Tue 4/28

2:20 pm-7:20 pm

1 stop10h 00m

$534

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Tue 4/14

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Thu 4/23

2:20 pm-7:20 pm

1 stop10h 00m

$534

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Thu 4/9

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Thu 4/23

2:20 pm-7:20 pm

1 stop10h 00m

$561

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Wed 4/15

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

Sat 4/25

2:20 pm-7:20 pm

1 stop10h 00m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 58 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 December.
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
OvagoPrice Accuracy2 starsTrust Score*2 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 December 19, 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 December 23, 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.

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 28m.

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 26m.

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 December 23, 2025.
Read reviews from past customers who have flown Aer Lingus, Icelandair, and Lufthansa 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.
Aer Lingus
7.2
Good
1,412 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.1

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
1,412 reviews
Aer Lingus
7.2
Good
1,412 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.1

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
592 reviews
Aer Lingus
7.2
Good
1,412 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.1

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.
Lufthansa
6.8
Okay
7,650 reviews
Aer Lingus
7.2
Good
1,412 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.1

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
7,607 reviews
Aer Lingus
7.2
Good
1,412 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.1

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 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 $491. There are 3426 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 $497, 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 Lufthansa - these airlines can fly you to your destination from $574 and $640, respectively. Icelandair is currently priced 32% below the average price you’ll pay for this route.

  • 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

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$497Average$647FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$574Average$738FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$640Average$706FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$710Average$873FlexibilityNo cancel feeOn-timeN/A

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