GLA - IAD

$457 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 round-trip
$589
Typical prices: $733-$1,029
Multiple Airlines
Sun 10/21Thu 10/25
GLA - IAD • 2 stops
Cheapest one-way
$529
Typical prices: $718-$995
Multiple Airlines
Fri 12/28
GLA - IAD • 1 stop
Nonstop 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 travelers who book at least 24 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 22% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $759 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 10h 20m (one-way)
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Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Booking Insights
Flight Deals

Cheap Flights from Glasgow to Dulles Intl (GLA-IAD)

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

Recent round-trip flight deals from Glasgow to Dulles Intl

Wed, Oct 21 - Sun, Oct 25
Multiple Airlines Logo
10:15 am - 10:15 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
17h 00m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
8:40 pm - 8:15 pmIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
19h 35m2 stops Reykjavik Keflavik Intl London Gatwick
$589Multiple Airlines
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
8:25 am - 7:30 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
15h 05m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 1:55 pmIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
13h 15m2 stops Reykjavik Keflavik Intl London Gatwick
$621Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
7:25 am - 4:45 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
13h 20m1 stop Dublin
Multiple Airlines Logo
5:15 pm - 7:25 amIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 10m1 stop Dublin
$656Multiple Airlines
Sun, Jan 10 - Sun, Jan 17
Multiple Airlines Logo
7:25 am - 3:45 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
13h 20m1 stop Dublin
Multiple Airlines Logo
5:15 pm - 7:25 amIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 10m1 stop Dublin
$657Multiple Airlines
Wed, Dec 2 - Wed, Dec 16
Multiple Airlines Logo
7:00 am - 6:30 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
16h 30m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 4:00 pmIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
15h 20m2 stops Reykjavik Keflavik Intl London Gatwick
$671Multiple Airlines
Wed, Dec 2 - Mon, Dec 7
Icelandair Logo
11:35 am - 6:30 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
11h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 9:55 amIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 15m1 stop Reykjavik Keflavik Intl
$685Icelandair
Wed, Jan 13 - Thu, Feb 4
Icelandair Logo
11:35 am - 6:30 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
11h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 9:55 amIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
9h 15m1 stop Reykjavik Keflavik Intl
$693Icelandair
Mon, Oct 26 - Mon, Nov 2
Multiple Airlines Logo
8:25 am - 8:20 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
15h 55m1 stop Dublin
Multiple Airlines Logo
5:15 pm - 9:05 amIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
10h 50m1 stop Dublin
$696Multiple Airlines
Fri, Sep 25 - Sun, Oct 11
Aer Lingus Logo
9:25 pm - 3:45 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
23h 20m1 stop Dublin
Aer Lingus Logo
5:15 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
17h 10m1 stop Dublin
$935Aer Lingus
Sat, Oct 10 - Sat, Oct 17
Aer Lingus Logo
12:00 pm - 7:10 pmGLA  Glasgow Intl-IAD Washington, D.C. Dulles Intl
12h 10m1 stop Dublin
Aer Lingus Logo
8:40 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-GLA Glasgow Intl
13h 45m1 stop Dublin
$952Aer 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 from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport with more confidence.

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

Tuesday is the cheapest day of the week to fly from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport, it is 5% cheaper than the average day. Sunday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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 $672 round-trip.
  • July ($1,074) and April ($1,066) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 59% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 30% 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

$529
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Glasgow to Dulles Intl

Are your dates flexible? Find out the best times to travel from Glasgow to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

    Only Economy Class is available on flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport.

  • 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) - 55% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) - 30% of one-stop connections
    • London Heathrow (LHR) - 12% of one-stop connections
    • Amsterdam Schiphol (AMS) - 2% of one-stop connections

    Dublin (DUB) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 14% on the Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport route. Tuesday is the cheapest departure day at $814 round-trip on average, while Sunday is the most expensive at $946, a difference of $132. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of $856. Book 24 weeks before departure for the lowest fares.

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

    A nonstop flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport takes 0h 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 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 $629, which is 20% below the typical average for this route.

  • How much time can I save by choosing a different layover 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 at 10h 20m, compared with 11h 00m via Dublin (DUB) and 11h 26m 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 5 hours behind Glasgow Intl Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

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

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Round-trip flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport range from $733 to $1,029, with an average of $856 over the past 12 months. Anything below $733 counts as a good deal.

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 can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $814 - about $132 less than Sunday (14% 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 30% 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 $672 round-trip in that month - typically $402 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Glasgow to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
Vacations in Washington, D.C.