GLA - IAD

£286 Find Cheap Flights from Glasgow to Washington Dulles Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£550
Typical prices: £572-£769
Multiple Airlines
Sun 28/1Fri 2/2
GLA - IAD • 2 stops
Cheapest one-way flight
£286
Typical prices: £538-£721
Multiple Airlines
Mon 10/12
GLA - IAD • 2 stops
Direct flights
Not available
There are currently no direct flights between Glasgow Intl Airport and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 35% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Newark (EWR)
Cheapest • Avg £568 (return)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 10h 23m (one-way)
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Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Glasgow to Washington, D.C. (GLA-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Glasgow to Washington, D.C.

Thu, 28 Jan - Tue, 2 Feb
Multiple Airlines Logo
09:50 - 20:30GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
39h 40m2 stops Malaga Lisbon Humberto Delgado
Multiple Airlines Logo
17:15 - 07:55IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 40m1 stop Dublin
£550Multiple Airlines
Wed, 2 Dec - Mon, 14 Dec
Icelandair Logo
11:35 - 18:30GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
11h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
19:40 - 09:55IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 15m1 stop Reykjavik Keflavik Intl
£555Icelandair
Sat, 21 Nov - Sat, 28 Nov
Multiple Airlines Logo
20:40 - 20:40GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
29h 00m2 stops London Gatwick Orlando
Multiple Airlines Logo
17:25 - 21:05IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
22h 40m2 stops Lisbon Humberto Delgado Rome Fiumicino
£555Multiple Airlines
Thu, 3 Dec - Mon, 14 Dec
Icelandair Logo
11:55 - 18:30GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
19:40 - 09:55IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 15m1 stop Reykjavik Keflavik Intl
£555Icelandair
Sun, 13 Dec - Wed, 30 Dec
Multiple Airlines Logo
08:50 - 15:15GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
35h 25m2 stops Malaga Lisbon Humberto Delgado
Multiple Airlines Logo
20:50 - 22:05IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
20h 15m1 stop Dublin
£556Multiple Airlines
Mon, 7 Dec - Mon, 14 Dec
Icelandair Logo
11:55 - 18:30GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
19:40 - 09:55IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 15m1 stop Reykjavik Keflavik Intl
£618Icelandair
Tue, 6 Apr - Fri, 16 Apr
British Airways Logo
10:55 - 17:25GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
11h 30m1 stop London Heathrow
British Airways Logo
17:40 - 09:35IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
10h 55m1 stop London Heathrow
£676British Airways
Wed, 2 Dec - Tue, 15 Dec
British Airways Logo
12:40 - 19:55GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop London Heathrow
British Airways Logo
18:05 - 09:55IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
10h 50m1 stop London Heathrow
£677British Airways
Sun, 20 Dec - Thu, 14 Jan
Aer Lingus Logo
12:05 - 19:20GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Dublin
Aer Lingus Logo
17:15 - 16:45IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
18h 30m1 stop Dublin
£696Aer Lingus
Sun, 20 Dec - Thu, 14 Jan
Aer Lingus Logo
12:05 - 19:20GLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop Dublin
Aer Lingus Logo
17:15 - 16:45IAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
18h 30m1 stop Dublin
£697Aer Lingus
Booking Insights

Price, demand, and travel trends for Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport. It's 7% cheaper than the average day, while Monday is the most expensive, with prices 6% higher.

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

•February is the cheapest month to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport at £425 return.
•July (£804) and April (£798) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 89% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport are cheapest 24 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flights

Low season

February

Cheapest flight

£286
Beat the crowds with an average 52% drop in traveller numbers.
The most popular month to fly with an average 49% increase in traveller numbers.
One-way flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Glasgow to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Glasgow to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Three cabin classes are available on flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    A direct flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport takes 00m, covering 3,426 miles.

  • Do I need a passport to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flight?

    Return flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport range from £572 to £769, with an average of £652 over the past 12 months. Anything below £572 counts as a good deal.

  • How expensive are last-minute Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 11% above the £652 route average. Book 24 weeks before departure for the lowest fares.

  • How are flight prices from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about £423, which is 30% below the typical average for this route.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around £18 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport usually depart from Glasgow Intl (GLA) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Dublin (DUB) – 54% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) – 32% of one-stop connections
    • London Heathrow (LHR) – 12% of one-stop connections
    • Amsterdam Schiphol (AMS) – 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 12% on flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport. Wednesday is the cheapest departure day at £612 return on average, while Monday is the most expensive at £695, a difference of £82.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time of 10h 23m, compared to 10h 57m via Dublin (DUB) and 11h 22m via London Heathrow (LHR).

  • What is the time difference between Glasgow Intl Airport and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 4 hours behind Glasgow Intl Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Charles Sumner School Museum and Archives, Capital One Arena, and Grand Hyatt Washington. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average £612, about £82 less than Monday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport trip for February. Fares historically average £425 return in that month – typically £379 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Glasgow to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car hire

Car hire in Washington, D.C.
Hotels in Washington, D.C.
Holidays in Washington, D.C.