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$107+ Cheap flights from Dulles Intl (IAD) to Liberia (LIR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIR
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Dulles Intl to Liberia

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Liberia (LIR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$285
(Delta)

One-way from

$107
(United Airlines)

Popular in

April

Cheapest in

May

Average price

$614
From Washington, D.C. Dulles Intl to Liberia
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One-way flight from Washington, D.C. Dulles Intl to Liberia
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Highest demand for flights based on searches. 9% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Liberia

Cheapest flights from Dulles Intl to Liberia
Explore the most affordable flight options available from Dulles Intl to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:14 pmIAD - LIR
2 stops18h 56mAmerican Airlines
Sat 12/133:30 pmLIR - IAD
2 stops20h 15mAmerican Airlines
Deal found 7/27$287
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:34 pmIAD - LIR
1 stop18h 51mUnited Airlines
Thu 8/1411:49 amLIR - IAD
1 stop10h 56mUnited Airlines
Deal found 7/29$294
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:00 amIAD - LIR
1 stop8h 00mDelta
Wed 9/171:25 pmLIR - IAD
1 stop7h 52mDelta
Deal found 7/29$315
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:55 amIAD - LIR
1 stop28h 55mAir Canada
Tue 11/182:50 pmLIR - IAD
1 stop19h 33mAir Canada
Deal found 7/29$348

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Liberia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Liberia that are best for you.

Fly from

Dulles Intl

Fly to

Liberia

Route

Depart

Return

Price

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Sat 1/24

6:00 am-2:30 pm

1 stop9h 30m

Liberia

Sat 1/31

3:55 pm-12:07 am

1 stop7h 12m

$285

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Fri 12/5

8:14 pm-2:10 pm

2 stops18h 56m

Liberia

Sat 12/13

3:30 pm-12:45 pm

2 stops20h 15m

$287

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Fri 8/8

10:34 pm-3:25 pm

1 stop18h 51m

Liberia

Thu 8/14

11:49 am-12:45 am

1 stop10h 56m

$294

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 11/10

9:55 am-1:50 pm

1 stop28h 55m

Liberia

Tue 11/18

2:50 pm-11:23 am

1 stop19h 33m

$348

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 9/8

6:00 am-12:10 pm

1 stop8h 10m

$107

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Fri 9/19

5:40 pm-11:20 am

2 stops19h 40m

$120

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Tue 9/16

7:20 am-12:00 pm

1 stop6h 40m

$122

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Wed 9/17

9:00 am-6:20 am

3 stops23h 20m

$244

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Sat 8/9

2:35 am-3:30 pm

2 stops14h 55m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Dulles Intl to Liberia

Have a flexible travel schedule? Discover the best time to fly to Liberia from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Liberia

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Liberia?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Liberia. Price data was last updated on July 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Liberia is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Liberia?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Liberia (average of $496). Flying from Washington, D.C. Dulles Intl Airport to Liberia in March is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Liberia

Get insights into the airlines that provide service to Liberia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Liberia. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Liberia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Air Canada
7.1
Good
9,822 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Liberia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Liberia from Washington, D.C. Dulles Intl?

    Most people fly into Liberia (LIR) if they book a flight to Liberia from Washington, D.C. Dulles Intl. On average, Liberia has 0 inbound flights from Washington, D.C. Dulles Intl per day from 3 airlines. Liberia is conveniently located just 7.7 mi from Liberia’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Liberia round-trip?

    According to our current data, Delta ($285), American Airlines ($287), and United Airlines ($294) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Liberia. These flights start at 49% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Liberia one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Liberia are United Airlines ($107), American Airlines ($120), and Delta ($122).

  • Can I find deals for flights from Dulles Intl to Liberia that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Liberia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Liberia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Liberia.

  • Can I find deals for business class flights from Dulles Intl to Liberia?

    Yes. Cheapflights offers flight deals from Dulles Intl to Liberia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Liberia?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Liberia (average of $496). Flying from Washington, D.C. Dulles Intl Airport to Liberia in March is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Liberia

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to San José flights
Baltimore to San José flights
Reagan-National to San José flights
Baltimore to Liberia flights
Reagan-National to Liberia flights

Top 3 airlines flying from Dulles Intl to Liberia

Discover the top 3 airlines that operate flights from Dulles Intl to Liberia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$272Average$437FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$277Average$554FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$289Average$573FlexibilityNo cancel feeOn-time71%

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