GLA - IAD

$372 Find Cheap Flights from Glasgow to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Glasgow to Dulles Intl departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Glasgow to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Glasgow to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$648
Typical prices: $892-$779
Multiple Airlines
Thu 5/21Thu 5/28
GLA - IAD • 2 stops
Cheapest one-way
$372
Multiple Airlines
Fri 5/15
GLA - IAD • 3 stops
Top airlines
Icelandair
Cheapest • from $651 (round-trip)
Aer Lingus
Best reviews • 7.2 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Glasgow and Dulles Intl. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Dublin (DUB)
Cheapest • Avg $966 (round-trip)
Reykjavik (KEF)
Shortest trip • 9h 59m (one-way)
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 30% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Glasgow to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Glasgow to Dulles Intl

Thu, May 21 - Thu, May 28
Multiple Airlines Logo
9:05 am - 7:20 pm
GLA
-
IAD
15h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 9:00 pm
IAD
-
GLA
19h 30m
2 stops
$648Multiple Airlines
Tue, Sep 22 - Sat, Oct 3
Icelandair Logo
2:20 pm - 10:15 pm
GLA
-
IAD
12h 55m
1 stop
Icelandair Logo
8:30 pm - 1:25 pm
IAD
-
GLA
11h 55m
1 stop
$651Icelandair
Fri, Sep 11 - Fri, Sep 18
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$652Icelandair
Fri, Sep 11 - Fri, Sep 18
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$653Icelandair
Wed, May 6 - Sun, May 10
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
11:20 pm - 1:25 pm
IAD
-
GLA
9h 05m
1 stop
$677Icelandair
Wed, May 6 - Sun, May 10
Icelandair Logo
2:20 pm - 7:20 pm
GLA
-
IAD
10h 00m
1 stop
Icelandair Logo
8:30 pm - 1:25 pm
IAD
-
GLA
11h 55m
1 stop
$685Icelandair
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
8:20 am - 3:45 pm
GLA
-
IAD
12h 25m
1 stop
Multiple Airlines Logo
9:05 pm - 3:15 pm
IAD
-
GLA
13h 10m
1 stop
$689Multiple Airlines
Mon, May 11 - Mon, May 25
Multiple Airlines Logo
9:25 am - 3:45 pm
GLA
-
IAD
11h 20m
1 stop
Multiple Airlines Logo
9:00 pm - 3:40 pm
IAD
-
GLA
13h 40m
1 stop
$691Multiple Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
9:05 am - 3:45 pm
GLA
-
IAD
11h 40m
1 stop
Multiple Airlines Logo
8:45 pm - 12:50 pm
IAD
-
GLA
11h 05m
1 stop
$706Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
11:10 am - 7:10 pm
GLA
-
IAD
13h 00m
1 stop
Multiple Airlines Logo
5:15 pm - 8:05 am
IAD
-
GLA
9h 50m
1 stop
$735Multiple Airlines
Booking Insights

KAYAK's insights & trends for Glasgow to Dulles Intl flights

Get data-powered insights and trends into flights from Glasgow to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport departing in May.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport is February, where tickets cost $566 (return) on average. On the other hand, the most expensive months are April and July, where the average cost of round-trip tickets is $1,048 and $992 respectively.

Find deals

Good to know

Low seasonFebruary
Cheapest flight$372
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Glasgow to Washington Dulles 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Glasgow to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Glasgow Intl Airport to Washington, D.C. Dulles Intl Airport was $372 for a one-way ticket and $648 for a round-trip.

  • Do I need a passport to fly between Glasgow and Washington Dulles Airport?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Glasgow and on arrival in Washington Dulles Airport.

  • Which aircraft models fly most regularly from Glasgow to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Glasgow to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Glasgow to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Glasgow to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Glasgow is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Glasgow to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Glasgow with another airline. Booking your flights between Glasgow and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Glasgow to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Glasgow up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Glasgow to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Glasgow to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Glasgow to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
Aer LingusOverall score based on 1499 reviews
6.6Food
8.1Crew
7.2Comfort
7.0Entertainment
7.4Boarding
Airline reviews

No complimentary drinks or snacks offered on a 2 hour flight was disappointing but everything else went well

8.0 ExcellentBrittany, Mar 2026
DUB - LAX
Read more Aer Lingus reviews

No complimentary drinks or snacks offered on a 2 hour flight was disappointing but everything else went well

All aspects were excellent - it helped that the flight was only 2/3 full and I had no one sitting in my row. The Pre-check (US Passport Control and Customs) in Dublin made everything so easy when we arrived in Chicago.

I love the direct flights. It saves a lot of hassle and allows immigration and customs in Ireland, making arrival much easier.

One of the best flight experiences I've have had in along time. Would fly with them again.

One of the best flight experience I have had in along time. Would fly with them again.

So, the trip from Dublin to LA did not really happen because the flight took off before we could finish the transfer.

Very nice experience. Flight had good entertainment system and good food options. Customer service was very friendly and nice as well.

Like - the crew were nice Dislike - sitting on the tarmac for long periods after boarding and landing.

I was not admitted to the flight!!! i need a refund for this.

One of the best flights I've been on in a while. Very genuinely friendly staff. Courteous, kind, respectful. On a past flight (not Aer Lingus) I remember being woken up rudely to put my seat forward. Like a child being berated for something. Oddly jarring experience when someone could just tap you gently on the shoulder and gesture kindly. But I noticed the Aer Lingus staff were incredibly patient with everyone on the plane. It's the holiday season and I noticed a lot more elderly customers on the plane than I typically see flying, and the staff went above and beyond with helping accommodate people. Service throughout the flight was flawless. They came through offering water, and picking up garbage at perfect intervals. Seemed like this flight, everyone was on point. And the flight landed early on top of that

Everything you need to know for your flight from Glasgow to Dulles Intl

Information on your arrival and departure airports

Glasgow (GLA)
Dulles Intl (IAD)