Cheap flights from Washington to Islamabad from $734 DCA, IAD → ISB
Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB)
The cheapest return found recently is $734 with Emirates, 18 Nov – 8 Dec, found 2 days ago. The cheapest one-way found recently is $762 with Qatar Airways, 27 May 2027, found 2 days ago.
- Cheapest one-way found recently
- $762, Qatar Airways, found 2 days ago
- Cheapest return found recently
- $734, 18 Nov to 8 Dec
- Usual return price
- $879 to $1,847
- Cheapest month to fly
- November 2026, return fares from $734 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $879 to $1,847.
Cheapest return found recently
$734
18 Nov – 8 Dec · Emirates
Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB)
Leaves 10:35 a.m. · Return leaves 9:00 a.m. · 68 h 15 min of travel, both ways together
out 1 stop, back 1 stop · via Dubai Airport (DXB) · overnight connection · 19 h connection
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$734 18 Nov – 8 Decfound 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 46 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $611 to $1,023.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 13 Nov to 18 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 20-night return fares leaving within 3 days of 18 Nov to compare.
Every date we hold
8 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Nov – 6 Dec | $1,023 | Emirates | Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 18 Nov – 8 Dec | $734 | Emirates | Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 18 Dec – 11 Jan 2027 | $2,670 | American Airlines | Ronald Reagan National Airport (DCA) → Islamabad International Airport (ISB) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $734.
Airlines on the cheapest dates: Emirates, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$762
27 May 2027 · Qatar Airways
Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB)
Leaves 9:00 p.m. · 25 h 40 min trip
1 stop · via Hamad International Airport (DOH) · overnight connection · 10 h connection
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$762 27 May 2027found 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 17 days, 13 Oct to 11 Nov, the cheapest one-way we saw each day was $645 to $838.
17 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 27 May 2027 to compare.
Every date we hold
11 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 May 2027 | $762 | Qatar Airways | Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB) | 1 stop | found 2 days ago | Open this trip |
Airlines on the cheapest dates: Qatar Airways.
Premium cabin fares from Washington to Islamabad
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 18 Nov – 8 Dec in another cabin: Premium economy · Business · First
Today's prices for 27 May 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Washington to Islamabad?
Return
Fares 90 to 179 days before departure were typically 23% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (46 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $855 | $855 | +30% | 9 |
| 7–13 days | $859 | $734 | +31% | 8 |
| 14–29 days | $859 | $859 | +31% | 7 |
| 30–59 days | $797 | $645 | +21% | 32 |
| 90–179 days | $657 | $611 | Cheapest seen | 26 |
| 180+ days | $714 | $714 | +9% | 8 |
One-way
Not enough history yet: in 17 days of one-way prices, 13 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Islamabad
57 km from Washington
$1,480
$746 more than flying from Washington
18 Nov – 8 Dec · BWI → ISB · out 3 stops, back 2 stops
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Baltimore → Islamabad
57 km from Washington
$991
$229 more than flying from Washington
27 May 2027 · BWI → ISB · 3 stops
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 18 Nov – 8 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Washington to Islamabad?
The cheapest return found recently is $734 with Emirates, 18 Nov to 8 Dec, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $879 to $1,847.
How much is a one-way flight from Washington to Islamabad?
The cheapest one-way found recently is $762 with Qatar Airways, 27 May 2027, found 2 days ago.
What is the cheapest month to fly from Washington to Islamabad?
November 2026 is the cheapest month for a return, from $734, 18 Nov to 8 Dec, found 2 days ago.
How far ahead should I book a flight from Washington to Islamabad?
In 46 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 23% lower than 0 to 6 days before departure.
How long is the flight from Washington to Islamabad?
The cheapest one-way found recently, with Qatar Airways on 27 May 2027, takes 25 h 40 min with 1 stop, including a 10 h connection.
Which airlines have the cheapest flights from Washington to Islamabad?
Between 13 Nov and 18 Dec, Emirates has the cheapest return on 2 of the 3 departure dates we hold, and American Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work