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Washington to Islamabad DCA, IAD → ISB

Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB)

The cheapest return found recently is $802 with Turkish Airlines, 23 Mar 2027 – 13 Apr 2027, found yesterday. The cheapest one-way found recently is $645 with American Airlines, 19 Feb 2027, found 6 days ago.

Return

The cheapest return fare on each of 5 departure dates is usually $714 to $802.

Cheapest return found recently

$802

23 Mar 2027 – 13 Apr 2027 · Turkish Airlines

Washington Dulles International Airport (IAD) → Islamabad International Airport (ISB)

Leaves 10:20 p.m. · Return leaves 4:55 a.m. · 64 h 55 min of travel, both ways together

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

Cheapest nonstop return

None seen yet.

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Found recently, and the cheapest we hold

Cheapest found recently $802 23 Mar 2027 – 13 Apr 2027found yesterdaySee prices for these dates

Cheapest we hold, of any age $611 31 Mar 2027 – 30 Apr 2027found 3 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $611 to $909.

$802, the cheapest return found recently, sits here in that range of $611 to $909.

25 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 return price?

Compared with the cheapest return fare on each of 5 departure dates from 18 Mar 2027 to 13 May 2027, 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 21-night return fares leaving within 3 days of 23 Mar 2027 to compare.

Every date we hold

10 fares on 5 departure dates

18 Mar 2027 – 2 Apr 2027: $783, found 6 days ago19 Mar 2027 – 3 Apr 2027: $890, found 6 days ago23 Mar 2027 – 13 Apr 2027: $802, found yesterday31 Mar 2027 – 30 Apr 2027: $611, found 3 days ago13 May 2027 – 14 Jun 2027: $714, found 6 days agoMarMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
18 Mar 2027 – 2 Apr 2027$783Etihad AirwaysWashington Dulles International Airport (IAD) → Islamabad International Airport (ISB)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
19 Mar 2027 – 3 Apr 2027$890Etihad AirwaysWashington Dulles International Airport (IAD) → Islamabad International Airport (ISB)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
23 Mar 2027 – 13 Apr 2027$802Turkish AirlinesWashington Dulles International Airport (IAD) → Islamabad International Airport (ISB)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
31 Mar 2027 – 30 Apr 2027$611Turkish AirlinesWashington Dulles International Airport (IAD) → Islamabad International Airport (ISB)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
13 May 2027 – 14 Jun 2027$714American AirlinesRonald Reagan National Airport (DCA) → Islamabad International Airport (ISB)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $611.

March 2027From $611Cheapest seen4 departure dates31 Mar 2027 – 30 Apr 2027 · found 3 days agoSee prices for these dates
May 2027From $7141 departure date13 May 2027 – 14 Jun 2027 · found 6 days agoSee prices for these dates

Airlines on the cheapest dates: Etihad Airways, Turkish Airlines, American Airlines.

One-way

Not enough comparable prices yet for a usual one-way price.

Cheapest one-way found recently

$645

19 Feb 2027 · American Airlines

Ronald Reagan National Airport (DCA) → Islamabad International Airport (ISB)

Leaves 6:00 a.m. · 22 h 20 min trip

2 stops

found 6 days ago

Open this tripCheck today's price

Cheapest nonstop one-way

None seen yet.

FareTell may earn a commission when you book through a partner.

Found recently, and the cheapest we hold

Cheapest found recently $645 19 Feb 2027found 6 days agoOpen this trip

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 6 days, 13 Oct to 18 Oct, the cheapest one-way we saw each day was $645.

At $645, the cheapest one-way found recently costs the same.

6 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 2 departure dates 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 19 Feb 2027 to compare.

Every date we hold

4 fares on 2 departure dates

19 Feb 2027: $645, found 6 days ago19 Mar 2027: $652, found 6 days agoFebMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
19 Feb 2027$645American AirlinesRonald Reagan National Airport (DCA) → Islamabad International Airport (ISB)2 stopsfound 6 days agoOpen this trip
19 Mar 2027$652Etihad AirwaysWashington Dulles International Airport (IAD) → Islamabad International Airport (ISB)1 stopfound 6 days agoOpen this trip

Which month looks cheapest?

February 2027 is the cheapest month — from $645.

February 2027From $645Cheapest seen1 departure date19 Feb 2027 · found 6 days agoOpen this trip
March 2027From $6521 departure date19 Mar 2027 · found 6 days agoOpen this trip

Airlines on the cheapest dates: American Airlines, Etihad 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 23 Mar 2027 – 13 Apr 2027 in another cabin: Premium economy · Business · First

Today's prices for 19 Feb 2027 in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Washington to Islamabad?

Return

Not enough history yet: in 25 days of return prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.

One-way

Not enough history yet: we have 6 days of one-way prices, 13 Oct to 18 Oct, and compare booking times once 3 booking ranges have 7 days each.

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

$1,150

$348 more than flying from Washington

31 Mar 2027 – 21 Apr 2027 · BWI → ISB · out 2 stops, back 1 stop

found yesterday

See this route

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

$847

$202 more than flying from Washington

19 Feb 2027 · BWI → ISB · 3 stops

found 6 days ago

See this route

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 23 Mar 2027 – 13 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.

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