Trip.com
>
Flights
>
Flights to United Kingdom
>
Flights to Glasgow
Hotels in Glasgow
>
Flights from Washington D.C. to Glasgow

Find cheap airlines flights from Washington D.C. to Glasgow

You can choose from 1 airlines that fly from Washington D.C. to Glasgow, including Icelandair, Porter Airlines has lowest fares on this route.
Icelandair logo Icelandair
Airlines are determined based on actual purchased flight tickets from Washington D.C. to Glasgow according to previous 12 months data from Trip.com.

Find flight deals from Washington D.C. to Glasgow for the next 3 months. Book one way flights from $305 or round trip flights from $777.

      • DCA 10:14 AM
        15h 36m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Wed, Jun 10 | American Airlines
        GLA 8:35 AM
        15h 44m
        1 stop
        DCA 7:19 PM
        Glasgow - Washington D.C. | Wed, Jun 17 | Air Transat
        $777 $1,207
        36% off
        36% off
        $1,207 $777
      • IAD 4:20 PM
        12h 20m
        1 stop
        GLA 9:40 AM
        Washington D.C. - Glasgow | Wed, Jul 15 | Air Canada
        GLA 11:00 AM
        14h 24m
        1 stop
        IAD 8:24 PM
        Glasgow - Washington D.C. | Wed, Jul 22 | WestJet
        $783 $1,207
        35% off
        35% off
        $1,207 $783
      • DCA 10:14 AM
        15h 36m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Sun, Jun 7 | American Airlines
        GLA 8:35 AM
        15h 44m
        1 stop
        DCA 7:19 PM
        Glasgow - Washington D.C. | Sat, Jun 13 | Air Transat
        $807 $1,207
        33% off
        33% off
        $1,207 $807
      • IAD 9:55 AM
        15h 55m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Tue, Jul 14 | Air Canada
        GLA 8:35 AM
        18h 56m
        1 stop
        DCA 10:31 PM
        Glasgow - Washington D.C. | Tue, Jul 21 | Air Transat
        $811
        33% off
        $1,207 $811
      • IAD 9:55 AM
        15h 55m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Sun, Jun 7 | Air Canada
        GLA 8:35 AM
        18h 53m
        1 stop
        DCA 10:28 PM
        Glasgow - Washington D.C. | Sat, Jun 13 | Air Transat
        $823
        32% off
        $1,207 $823
      • DCA 2:58 PM
        10h 52m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Tue, Jul 14 | American Airlines
        GLA 8:35 AM
        15h 40m
        1 stop
        DCA 7:15 PM
        Glasgow - Washington D.C. | Tue, Jul 21 | Air Transat
        $838
        31% off
        $1,207 $838
      • IAD 9:55 AM
        15h 55m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Wed, Jun 10 | Air Canada
        GLA 8:35 AM
        18h 53m
        1 stop
        DCA 10:28 PM
        Glasgow - Washington D.C. | Wed, Jun 17 | Air Transat
        $859
        28% off
        $1,207 $859
      • DCA 10:14 AM
        15h 36m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Wed, Jun 17 | American Airlines
        GLA 8:35 AM
        15h 44m
        1 stop
        DCA 7:19 PM
        Glasgow - Washington D.C. | Wed, Jun 24 | Air Transat
        $866
        28% off
        $1,207 $866
      • IAD 8:30 PM
        11h 55m
        1 stop
        GLA 1:25 PM
        Washington D.C. - Glasgow | Sat, Aug 1 | Icelandair
        GLA 10:25 AM
        14h 15m
        1 stop
        IAD 7:40 PM
        Glasgow - Washington D.C. | Sat, Aug 8 | British Airways
        $873
        28% off
        $1,207 $873
      • DCA 10:14 AM
        15h 36m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Mon, Jun 8 | American Airlines
        GLA 8:35 AM
        15h 44m
        1 stop
        DCA 7:19 PM
        Glasgow - Washington D.C. | Sat, Jun 13 | Air Transat
        $881
        27% off
        $1,207 $881
      • WAS 1:00 PM
        17h 25m
        1 stop
        GLA 2:00 PM
        Washington D.C. - Glasgow | Mon, Jun 8 | Normal Airline
        GLA 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Glasgow - Washington D.C. | Wed, Jun 10 | Normal Airline
        Find more flights
        Find more flights
      • IAD 11:30 AM
        14h 20m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Wed, Jun 24 | Porter Airlines
        $305 $573
        47% off
        47% off
        $573 $305
      • IAD 7:15 PM
        14h 25m
        1 stop
        GLA 2:40 PM
        Washington D.C. - Glasgow | Sun, Jul 12 | British Airways
        $313 $573
        45% off
        45% off
        $573 $313
      • IAD 8:20 PM
        11h 40m
        1 stop
        GLA 1:00 PM
        Washington D.C. - Glasgow | Sun, Jul 12 | Swiss Airlines
        $345 $573
        40% off
        40% off
        $573 $345
      • IAD 4:20 PM
        12h 20m
        1 stop
        GLA 9:40 AM
        Washington D.C. - Glasgow | Fri, Jul 3 | Air Canada
        $350
        39% off
        $573 $350
      • IAD 5:55 PM
        17h 45m
        1 stop
        GLA 4:40 PM
        Washington D.C. - Glasgow | Sun, Jul 12 | Lufthansa
        $374
        35% off
        $573 $374
      • DCA 10:14 AM
        15h 36m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Wed, Jun 24 | American Airlines
        $395
        31% off
        $573 $395
      • IAD 11:30 AM
        14h 20m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Mon, Jun 8 | Porter Airlines
        $396
        31% off
        $573 $396
      • DCA 10:14 AM
        15h 36m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Mon, Jun 8 | American Airlines
        $400
        30% off
        $573 $400
      • IAD 10:14 PM
        30h 26m
        1 stop
        GLA 9:40 AM
        Washington D.C. - Glasgow | Mon, Jun 8 | Air Canada
        $406
        28% off
        $573 $406
      • IAD 11:30 AM
        14h 20m
        1 stop
        GLA 6:50 AM
        Washington D.C. - Glasgow | Fri, Jul 3 | Porter Airlines
        $418
        27% off
        $573 $418
      • WAS 1:00 PM
        17h 25m
        1 stop
        GLA 2:00 PM
        Washington D.C. - Glasgow | Mon, Jun 8 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Washington D.C. to Glasgow are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Washington D.C. to Glasgow

The distance between Washington D.C. and Glasgow is approximately 5,508.49 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight price$305
Cheapest round-trip ticket price$777
Off-season for travelAugust
Peak season for travelJuly
Flight distance5,508.49 km
Popular airlineIcelandair
Flight statistics for the Washington D.C.–Glasgow route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Glasgow (WAS-GLA)?

    Based on Trip.com data, Porter Airlines offers one-way fares as low as $305 on Cheapest nonstop routes (e.g. IAD to GLA on Wed, Jun 24), while American Airlines offers Cheapest nonstop round-trips from $777 departing on Wed, Jun 10 and returning on Wed, Jun 17.
  • At the moment, several airlines serve connecting flights from Washington D.C. to Glasgow, including: Icelandair Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Glasgow is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Washington D.C. to Glasgow, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 24, with one-way flights priced at just $305.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Porter Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Glasgow travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Glasgow is August, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Washington D.C. to Glasgow on June 6, 2026 with American Airlines, with prices starting at $745.
  • You can land at any one of the following hubs in Glasgow, with Dulles International Airport to Glasgow Airport (IAD-GLA) is by far the most common option on this route: Glasgow Airport (GLA) Glasgow Prestwick Airport (PIK).
  • The time difference between Glasgow and Washington D.C. is 5h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.