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$150+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BZE
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap 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 April 18, 2026.

This Copa Airlines deal was found by Cheapflights users on 4/13. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:21 am
IAD
-
BZE
1 stop10h 01m
Copa Airlines
Tue 5/1211:28 am
BZE
-
IAD
1 stop14h 53m
Copa Airlines
Deal found 4/13$375
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Mon 5/116:00 am
IAD
-
BZE
1 stop7h 15m
United Airlines
Fri 5/152:35 pm
BZE
-
IAD
1 stop7h 24m
United Airlines
Deal found 4/16$385
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/118:11 pm
IAD
-
BZE
2 stops20h 19m
American Airlines
Fri 5/1512:14 pm
BZE
-
IAD
2 stops18h 35m
American Airlines
Deal found 4/14$390
This American Airlines deal was found by Cheapflights users on 4/16. 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 11/75:03 pm
IAD
-
BZE
1 stop23h 01m
American Airlines
Tue 11/104:21 pm
BZE
-
IAD
2 stops19h 51m
American Airlines
Deal found 4/16$399
This Copa Airlines deal was found by Cheapflights users on 4/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:21 am
IAD
-
BZE
1 stop10h 01m
Copa Airlines
Tue 6/211:22 am
BZE
-
IAD
1 stop14h 59m
Copa Airlines
Deal found 4/16$400
This United Airlines deal was found by Cheapflights users on 4/13. 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 6/216:30 am
IAD
-
BZE
1 stop9h 03m
United Airlines
Thu 6/2512:20 pm
BZE
-
IAD
1 stop10h 11m
United Airlines
Deal found 4/13$403
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:37 am
IAD
-
BZE
1 stop26h 45m
Copa Airlines
Fri 5/1511:28 am
BZE
-
IAD
1 stop11h 05m
Copa Airlines
Deal found 4/14$404
This American Airlines deal was found by Cheapflights users on 4/14. 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 7/181:16 pm
IAD
-
BZE
2 stops25h 10m
American Airlines
Fri 7/2411:27 am
BZE
-
IAD
2 stops19h 22m
American Airlines
Deal found 4/14$405
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:21 am
IAD
-
BZE
1 stop10h 01m
Copa Airlines
Tue 5/1911:28 am
BZE
-
IAD
1 stop14h 53m
Copa Airlines
Deal found 4/14$406
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/88:11 pm
IAD
-
BZE
2 stops18h 28m
American Airlines
Wed 5/133:31 pm
BZE
-
IAD
2 stops25h 54m
American Airlines
Deal found 4/14$410
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/95:59 pm
IAD
-
BZE
1 stop22h 31m
American Airlines
Sat 5/1612:37 pm
BZE
-
IAD
1 stop9h 22m
American Airlines
Deal found 4/14$415
This Copa Airlines deal was found by Cheapflights users on 4/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/152:21 am
IAD
-
BZE
1 stop10h 01m
Copa Airlines
Tue 6/2311:22 am
BZE
-
IAD
1 stop14h 59m
Copa Airlines
Deal found 4/14$418

Find 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 April 18, 2026.

Round-trip from

$375
(Copa Airlines)

One-way from

$150
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$491
From Washington, D.C. Dulles Intl to Belize
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Belize
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 18, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 9/14

6:30 am-11:15 am

1 stop6h 45m

Belize City Philip S.W.Goldson

Thu 9/17

12:20 pm-7:20 am

2 stops17h 00m

$385

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sun 6/21

6:30 am-1:33 pm

1 stop9h 03m

Belize City Philip S.W.Goldson

Thu 6/25

12:20 pm-12:31 am

1 stop10h 11m

$403

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 9/7

10:20 pm-11:15 am

1 stop14h 55m

Belize City Philip S.W.Goldson

Sat 9/12

2:35 pm-12:29 am

1 stop7h 54m

$405

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Fri 5/1

6:00 am-11:16 am

1 stop7h 16m

Belize City Philip S.W.Goldson

Wed 5/6

12:41 pm-12:42 am

1 stop10h 01m

$423
Quickest round-trip

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 5/30

6:33 am-11:55 am

1 stop7h 22m

Belize City Philip S.W.Goldson

Fri 6/5

12:20 pm-10:43 pm

1 stop8h 23m

$460

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Thu 7/9

2:22 am-10:17 am

1 stop9h 55m

Belize City Philip S.W.Goldson

Mon 7/13

11:22 am-4:21 am

1 stop14h 59m

$488

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Mon 5/11

10:20 pm-11:15 am

1 stop14h 55m

Belize City Philip S.W.Goldson

Fri 5/15

12:20 pm-11:59 pm

1 stop9h 39m

$505

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Wed 10/14

8:15 am-1:33 pm

2 stops31h 18m

Belize City Philip S.W.Goldson

Mon 10/19

12:40 pm-11:20 am

2 stops20h 40m

$535

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Tue 8/11

6:30 am-1:33 pm

1 stop9h 03m

Belize City Philip S.W.Goldson

Fri 8/21

12:20 pm-7:20 am

2 stops17h 00m

$578

Washington, D.C.Belize City

IAD - BZE

IADBZE

Washington, D.C. Dulles Intl

Sat 8/1

10:20 pm-11:15 am

1 stop14h 55m

Belize City Philip S.W.Goldson

Sat 8/8

2:35 pm-12:31 am

1 stop7h 56m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 21 resultsSorted by cheapest first
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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 $109). Flying from Washington, D.C. Dulles Intl Airport to Belize in February is currently the most expensive (average of $333). 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 April 18, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
8,424 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

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
8,424 reviews
Delta
7.9
Good
8,424 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

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
9,605 reviews
Delta
7.9
Good
8,424 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

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
7.1
Good
11,604 reviews
Delta
7.9
Good
8,424 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

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 and Delta can get you from Washington, D.C. Dulles Intl Airport to Belize in just under 6h 45m. Your travel time can differ by up to 31m. 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 $109). Flying from Washington, D.C. Dulles Intl Airport to Belize in February is currently the most expensive (average of $333). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$397FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$463FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$463FlexibilityNo cancel feeOn-time71%

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