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£221 Cheap Flights from Washington (IAD) to Glasgow (GLA)

View £221 flight on Sun, 4 Oct 2026Opens in a new window

Flight 1

Popular airlines from Washington Dulles International Airport (IAD) to Glasgow International Airport (GLA)

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Cheap Flights from Washington (IAD) to Glasgow (GLA)

Prices were available within the past 7 days and start at £221 for one-way flights and £590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 3 Oct - Fri, 16 Oct
IAD
Washington
GLA
Glasgow
£590 Return, found 4 days ago
£590
Return
found 4 days ago
Select Icelandair flight, departing Sat, 3 Oct from Washington to Glasgow, returning Fri, 16 Oct, priced at £590 found 4 days ago
Icelandair
Sat, 17 Oct - Sat, 31 Oct
IAD
Washington
GLA
Glasgow
£590 Return, found 6 days ago
£590
Return
found 6 days ago
Select Icelandair flight, departing Sat, 17 Oct from Washington to Glasgow, returning Sat, 31 Oct, priced at £590 found 6 days ago
Icelandair
Fri, 21 Aug - Wed, 9 Dec
IAD
Washington
GLA
Glasgow
£635 Return, found 2 days ago
£635
Return
found 2 days ago
Select Icelandair flight, departing Fri, 21 Aug from Washington to Glasgow, returning Wed, 9 Dec, priced at £635 found 2 days ago
Icelandair
Tue, 10 Nov - Sun, 15 Nov
IAD
Washington
GLA
Glasgow
£640 Return, found 1 hour ago
£640
Return
found 1 hour ago
Select Icelandair flight, departing Tue, 10 Nov from Washington to Glasgow, returning Sun, 15 Nov, priced at £640 found 1 hour ago
Icelandair
Sat, 29 Aug - Wed, 16 Sept
IAD
Washington
GLA
Glasgow
£642 Return, found 1 day ago
£642
Return
found 1 day ago
Select Icelandair flight, departing Sat, 29 Aug from Washington to Glasgow, returning Wed, 16 Sept, priced at £642 found 1 day ago
Icelandair
Sat, 7 Nov - Mon, 16 Nov
IAD
Washington
GLA
Glasgow
£642 Return, found 5 days ago
£642
Return
found 5 days ago
Select Icelandair flight, departing Sat, 7 Nov from Washington to Glasgow, returning Mon, 16 Nov, priced at £642 found 5 days ago
Finnair
Tue, 13 Oct - Tue, 20 Oct
IAD
Washington
GLA
Glasgow
£716 Return, found 5 days ago
£716
Return
found 5 days ago
Select Finnair flight, departing Tue, 13 Oct from Washington to Glasgow, returning Tue, 20 Oct, priced at £716 found 5 days ago
British Airways
Sun, 22 Nov - Fri, 27 Nov
IAD
Washington
GLA
Glasgow
£718 Return, found 1 day ago
£718
Return
found 1 day ago
Select British Airways flight, departing Sun, 22 Nov from Washington to Glasgow, returning Fri, 27 Nov, priced at £718 found 1 day ago
KLM
Wed, 23 Sept - Mon, 28 Sept
IAD
Washington
GLA
Glasgow
£721 Return, found 14 hours ago
£721
Return
found 14 hours ago
Select KLM flight, departing Wed, 23 Sept from Washington to Glasgow, returning Mon, 28 Sept, priced at £721 found 14 hours ago
Air France
Tue, 13 Oct - Tue, 20 Oct
IAD
Washington
GLA
Glasgow
£723 Return, found 5 days ago
£723
Return
found 5 days ago
Select Air France flight, departing Tue, 13 Oct from Washington to Glasgow, returning Tue, 20 Oct, priced at £723 found 5 days ago

Alternative airports near Glasgow

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Glasgow Intl. GLA. Cheapest and Closest option available. Average driving time to city centre is 17 minutes. Flights from £852
GLA
Glasgow Intl.
CheapestClosest
Average driving time to city centre17 min
Flights from £852

Find the cheapest month to fly from Washington (IAD) to Glasgow (GLA)

October is typically the cheapest month to fly

From £537 - £725 per traveller.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) cost?
You can find cheap one-way flights from £221 and cheap return flights from £590 IAD to GLA with Expedia. One-way flights typically cost between £441 and £2336. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to GLA ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
January is typically the cheapest month to fly from Washington Dulles International Airport (IAD) to Glasgow International (GLA), with average return fares around £475. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Washington Dulles International Airport (IAD) to Glasgow International (GLA) include February and October.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
Enter IAD to GLA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
PSA Airlines is one of the cheapest airlines offering connecting return flights from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA), with prices starting from around £814 for flights that can be booked for departure within the next year. These flights typically include a layover in Charlotte-Douglas Intl. (CLT). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
The cheapest months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) are typically January and February, with average return flights around £475. The most popular months for this route are December and May, meaning you'll find plenty of flight options during these times. While there isn't a single month that is both the cheapest and most popular, if you're looking for the best value, aiming for January or February could save you money, while December and May offer more flexibility with flight schedules.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
There are approximately 57 connecting flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.). Some common connection points include Adolfo Suarez Madrid-Barajas (MAD), Heathrow (LHR), and Pearson Intl. (YYZ).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
The earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) typically departs around 6:00 AM. This service is operated by American Airlines and British Airways. This is a seasonal service active in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
You'll typically find the most flights from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA) on a Sunday, with around 54 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, British Airways, and Delta. Flight options are notably more plentiful on Sundays compared to other days of the week.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
The most popular departure times for flights from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA) are in the afternoon, from 3pm to 6pm. Many major carriers, including British Airways, Aer Lingus and United, offer flights during this window. Many travellers prefer this time as it allows for a full morning before departure and an evening arrival at your destination.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
There are no nonstop flights from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.), which is a distance of approximately 5,518 kilometers. If you're looking for the quickest option, flights with one stop typically take around 13 hours 18 minutes. Flights with two or more stops will take longer, usually around 16 hours 18 minutes. Keep in mind that these are average travel times, and your actual journey can vary depending on the specific routing, layover durations, and even weather conditions.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
Yes, you can fly business class or first class between Washington, DC (IAD) and Glasgow (GLA).Airlines that offer business class service on this route include:
  • Iberia
  • Lufthansa
  • Air France
  • British Airways
  • KLM
  • Swiss International Air Lines
  • Air Canada
  • Delta
  • Icelandair
  • United
  • Virgin Atlantic
First class cabins are available on Lufthansa and United.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Glasgow (GLA) from Washington, DC (IAD)?
If you're planning to travel to Glasgow from Washington Dulles Intl. (IAD), you can fly directly into Glasgow Intl. (GLA) which offers international flights and connections. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Hartsfield-Jackson Atlanta Intl. (ATL), or Adolfo Suarez Madrid-Barajas (MAD) before reaching Glasgow. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Glasgow (GLA-Glasgow Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Glasgow Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic
Roundtrip price
£589
Distance
5485 km

Book with confidence

Compare flights from Washington to Glasgow easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Glasgow. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Glasgow Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Glasgow Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Glasgow Intl. (GLA)

The easiest way to view the best deals on flights from Washington to Glasgow today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Glasgow Intl. start at just £590 and range up to £723.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Glasgow
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Glasgow flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Glasgow Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to Glasgow easily and book with confidence

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*Available to Expedia members.