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$120+ Cheap flights from Dulles Intl (IAD) to Belize

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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZE
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Dulles Intl to Belize

Keep the following information in mind while searching for Dulles Intl to Belize flight deals. Data was last updated January 8, 2026.

Round-trip from

$331
(United Airlines)

One-way from

$120
(Delta)

Popular in

April

Cheapest in

September

Average price

$388
From Washington, D.C. Dulles Intl to Belize
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One-way flight from Washington, D.C. Dulles Intl to Belize
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Highest demand for flights based on searches. 20% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Dulles Intl to Belize

Cheapest flights from Dulles Intl to Belize
Explore the most affordable flight options available from Dulles Intl to Belize. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/5. 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.
Sun 3/16:00 amIAD - BZE
1 stop7h 41mUnited Airlines
Thu 3/51:18 pmBZE - IAD
1 stop8h 18mUnited Airlines
Deal found 1/5$331
This American Airlines deal was found by Cheapflights users on 1/8. 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.
Sun 3/16:00 amIAD - BZE
1 stop10h 37mAmerican Airlines
Thu 3/512:41 pmBZE - IAD
1 stop6h 49mAmerican Airlines
Deal found 1/8$335
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Mon 2/166:00 amIAD - BZE
1 stop10h 37mAmerican Airlines
Thu 2/194:39 pmBZE - IAD
2 stops19h 53mAmerican Airlines
Deal found 1/6$336
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Sun 2/86:00 amIAD - BZE
1 stop7h 14mUnited Airlines
Sat 2/143:00 pmBZE - IAD
1 stop19h 49mUnited Airlines
Deal found 1/6$338
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Mon 1/266:00 amIAD - BZE
1 stop10h 16mAmerican Airlines
Sun 2/14:16 pmBZE - IAD
2 stops17h 42mAmerican Airlines
Deal found 1/6$341
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 1/315:46 pmIAD - BZE
1 stop19h 03mAmerican Airlines
Thu 2/512:59 pmBZE - IAD
1 stop9h 13mAmerican Airlines
Deal found 1/7$342
This Delta deal was found by Cheapflights users on 1/7. 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.
Sun 2/16:00 amIAD - BZE
1 stop7h 15mDelta
Tue 2/31:40 pmBZE - IAD
1 stop6h 05mDelta
Deal found 1/7$345
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 2/284:46 pmIAD - BZE
1 stop19h 55mAmerican Airlines
Tue 3/34:39 pmBZE - IAD
2 stops22h 55mAmerican Airlines
Deal found 1/7$347
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 4/115:55 pmIAD - BZE
1 stop22h 35mAmerican Airlines
Thu 4/163:31 pmBZE - IAD
2 stops25h 54mAmerican Airlines
Deal found 1/7$348
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 4/87:00 amIAD - BZE
1 stop9h 30mAmerican Airlines
Wed 4/153:31 pmBZE - IAD
2 stops25h 54mAmerican Airlines
Deal found 1/6$350
This Delta deal was found by Cheapflights users on 1/6. 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.
Wed 3/187:18 amIAD - BZE
1 stop5h 57mDelta
Wed 3/2512:17 pmBZE - IAD
1 stop9h 24mDelta
Deal found 1/6$353

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Belize 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 January 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Belize that are best for you.

Fly from

Dulles Intl

Fly to

Belize

Route

Depart

Return

Price

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Fri 2/27

10:25 pm-3:32 pm

1 stop18h 07m

Belize City Philip S.W.Goldson

Thu 3/5

1:18 pm-10:36 pm

1 stop8h 18m

$331

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 2/2

6:00 am-12:15 pm

1 stop7h 15m

Belize City Philip S.W.Goldson

Tue 2/3

1:40 pm-12:24 am

1 stop9h 44m

$345

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 3/4

6:00 am-12:15 pm

1 stop7h 15m

Belize City Philip S.W.Goldson

Wed 3/11

12:17 pm-11:41 pm

1 stop9h 24m

$345

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 2/28

2:03 pm-11:41 am

1 stop22h 38m

Belize City Philip S.W.Goldson

Tue 3/3

4:39 pm-4:34 pm

2 stops22h 55m

$347

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 1/28

6:03 am-12:14 pm

1 stop7h 11m

Belize City Philip S.W.Goldson

Sat 1/31

1:45 pm-5:21 am

1 stop14h 36m

$355

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 2/7

5:26 pm-1:40 pm

2 stops21h 14m

Belize City Philip S.W.Goldson

Sat 2/14

4:39 pm-1:32 pm

2 stops19h 53m

$360

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 1/21

6:00 am-12:15 pm

1 stop7h 15m

Belize City Philip S.W.Goldson

Wed 1/28

1:40 pm-8:45 pm

1 stop6h 05m

$369

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 1/21

5:46 pm-11:49 am

1 stop19h 03m

Belize City Philip S.W.Goldson

Wed 1/28

4:16 pm-10:58 am

2 stops17h 42m

$419

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 2/2

6:00 am-12:15 pm

1 stop7h 15m

Belize City Philip S.W.Goldson

Wed 2/4

1:40 pm-8:45 pm

1 stop6h 05m

$440

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sun 2/1

8:15 am-2:32 pm

1 stop7h 17m

Belize City Philip S.W.Goldson

Fri 2/6

1:18 pm-10:18 pm

1 stop8h 00m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 22 results
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Best time to book a flight from Dulles Intl to Belize

Have a flexible travel schedule? Discover the best time to fly to Belize 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 Belize

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belize (average of $124). Flying from Washington, D.C. Dulles Intl Airport to Belize in April is currently the most expensive (average of $356). 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 Belize

Get insights into the airlines that provide service to Belize. 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 Belize. Reviews last updated January 8, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Belize to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,025 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,139 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,094 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Belize?

    United Airlines, Delta, and American Airlines can get you from Washington, D.C. Dulles Intl Airport to Belize in just under 7h 15m. Your travel time can differ by up to 15h 23m. The distance between Washington, D.C. Dulles Intl Airport and Belize is about 1616 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Belize?

    While some choose either Washington, D.C. Dulles Intl - Belmopan or Washington, D.C. Dulles Intl - Placencia, Washington, D.C. Dulles Intl - Belize City Philip S.W.Goldson is the most popular route from Washington, D.C. Dulles Intl Airport to Belize.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Belize 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 Belize?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Belize (average of $124). Flying from Washington, D.C. Dulles Intl Airport to Belize in April is currently the most expensive (average of $356). 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 Belize

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Belize

Discover the top 3 airlines that operate flights from Dulles Intl to Belize. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$417FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$484FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$391FlexibilityNo cancel feeOn-time71%

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